diff options
Diffstat (limited to 'fs')
340 files changed, 12208 insertions, 12372 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 15e05a15b57..b364da70ff2 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -1,6 +1,7 @@ /* * V9FS FID Management * + * Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net> * Copyright (C) 2005, 2006 by Eric Van Hensbergen <ericvh@gmail.com> * * This program is free software; you can redistribute it and/or modify @@ -34,9 +35,9 @@ #include "fid.h" /** - * v9fs_fid_insert - add a fid to a dentry + * v9fs_fid_add - add a fid to a dentry + * @dentry: dentry that the fid is being added to * @fid: fid to add - * @dentry: dentry that it is being added to * */ @@ -66,52 +67,144 @@ int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid) } /** - * v9fs_fid_lookup - return a locked fid from a dentry + * v9fs_fid_find - retrieve a fid that belongs to the specified uid * @dentry: dentry to look for fid in - * - * find a fid in the dentry, obtain its semaphore and return a reference to it. - * code calling lookup is responsible for releasing lock - * - * TODO: only match fids that have the same uid as current user + * @uid: return fid that belongs to the specified user + * @any: if non-zero, return any fid associated with the dentry * */ -struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) +static struct p9_fid *v9fs_fid_find(struct dentry *dentry, u32 uid, int any) { struct v9fs_dentry *dent; - struct p9_fid *fid; - - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry); - dent = dentry->d_fsdata; - if (dent) - fid = list_entry(dent->fidlist.next, struct p9_fid, dlist); - else - fid = ERR_PTR(-EBADF); + struct p9_fid *fid, *ret; + + P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p) uid %d any %d\n", + dentry->d_iname, dentry, uid, any); + dent = (struct v9fs_dentry *) dentry->d_fsdata; + ret = NULL; + if (dent) { + spin_lock(&dent->lock); + list_for_each_entry(fid, &dent->fidlist, dlist) { + if (any || fid->uid == uid) { + ret = fid; + break; + } + } + spin_unlock(&dent->lock); + } - P9_DPRINTK(P9_DEBUG_VFS, " fid: %p\n", fid); - return fid; + return ret; } /** - * v9fs_fid_clone - lookup the fid for a dentry, clone a private copy and - * release it + * v9fs_fid_lookup - lookup for a fid, try to walk if not found * @dentry: dentry to look for fid in * - * find a fid in the dentry and then clone to a new private fid - * - * TODO: only match fids that have the same uid as current user - * + * Look for a fid in the specified dentry for the current user. + * If no fid is found, try to create one walking from a fid from the parent + * dentry (if it has one), or the root dentry. If the user haven't accessed + * the fs yet, attach now and walk from the root. */ -struct p9_fid *v9fs_fid_clone(struct dentry *dentry) +struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) { - struct p9_fid *ofid, *fid; + int i, n, l, clone, any, access; + u32 uid; + struct p9_fid *fid; + struct dentry *d, *ds; + struct v9fs_session_info *v9ses; + char **wnames, *uname; + + v9ses = v9fs_inode2v9ses(dentry->d_inode); + access = v9ses->flags & V9FS_ACCESS_MASK; + switch (access) { + case V9FS_ACCESS_SINGLE: + case V9FS_ACCESS_USER: + uid = current->fsuid; + any = 0; + break; + + case V9FS_ACCESS_ANY: + uid = v9ses->uid; + any = 1; + break; + + default: + uid = ~0; + any = 0; + break; + } - P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_iname, dentry); - ofid = v9fs_fid_lookup(dentry); - if (IS_ERR(ofid)) - return ofid; + fid = v9fs_fid_find(dentry, uid, any); + if (fid) + return fid; + + ds = dentry->d_parent; + fid = v9fs_fid_find(ds, uid, any); + if (!fid) { /* walk from the root */ + n = 0; + for (ds = dentry; !IS_ROOT(ds); ds = ds->d_parent) + n++; + + fid = v9fs_fid_find(ds, uid, any); + if (!fid) { /* the user is not attached to the fs yet */ + if (access == V9FS_ACCESS_SINGLE) + return ERR_PTR(-EPERM); + + if (v9fs_extended(v9ses)) + uname = NULL; + else + uname = v9ses->uname; + + fid = p9_client_attach(v9ses->clnt, NULL, uname, uid, + v9ses->aname); + + if (IS_ERR(fid)) + return fid; + + v9fs_fid_add(ds, fid); + } + } else /* walk from the parent */ + n = 1; + + if (ds == dentry) + return fid; + + wnames = kmalloc(sizeof(char *) * n, GFP_KERNEL); + if (!wnames) + return ERR_PTR(-ENOMEM); + + for (d = dentry, i = n; i >= 0; i--, d = d->d_parent) + wnames[i] = (char *) d->d_name.name; + + clone = 1; + i = 0; + while (i < n) { + l = min(n - i, P9_MAXWELEM); + fid = p9_client_walk(fid, l, &wnames[i], clone); + if (!fid) { + kfree(wnames); + return fid; + } + + i += l; + clone = 0; + } - fid = p9_client_walk(ofid, 0, NULL, 1); + kfree(wnames); + v9fs_fid_add(dentry, fid); return fid; } + +struct p9_fid *v9fs_fid_clone(struct dentry *dentry) +{ + struct p9_fid *fid, *ret; + + fid = v9fs_fid_lookup(dentry); + if (IS_ERR(fid)) + return fid; + + ret = p9_client_walk(fid, 0, NULL, 1); + return ret; +} diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 0a7068e30ec..873802de21c 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -38,56 +38,41 @@ /* * Option Parsing (code inspired by NFS code) - * + * NOTE: each transport will parse its own options */ enum { /* Options that take integer arguments */ - Opt_debug, Opt_port, Opt_msize, Opt_uid, Opt_gid, Opt_afid, - Opt_rfdno, Opt_wfdno, + Opt_debug, Opt_msize, Opt_dfltuid, Opt_dfltgid, Opt_afid, /* String options */ - Opt_uname, Opt_remotename, + Opt_uname, Opt_remotename, Opt_trans, /* Options that take no arguments */ - Opt_legacy, Opt_nodevmap, Opt_unix, Opt_tcp, Opt_fd, Opt_pci, + Opt_legacy, Opt_nodevmap, /* Cache options */ Opt_cache_loose, + /* Access options */ + Opt_access, /* Error token */ Opt_err }; static match_table_t tokens = { {Opt_debug, "debug=%x"}, - {Opt_port, "port=%u"}, {Opt_msize, "msize=%u"}, - {Opt_uid, "uid=%u"}, - {Opt_gid, "gid=%u"}, + {Opt_dfltuid, "dfltuid=%u"}, + {Opt_dfltgid, "dfltgid=%u"}, {Opt_afid, "afid=%u"}, - {Opt_rfdno, "rfdno=%u"}, - {Opt_wfdno, "wfdno=%u"}, {Opt_uname, "uname=%s"}, {Opt_remotename, "aname=%s"}, - {Opt_unix, "proto=unix"}, - {Opt_tcp, "proto=tcp"}, - {Opt_fd, "proto=fd"}, -#ifdef CONFIG_PCI_9P - {Opt_pci, "proto=pci"}, -#endif - {Opt_tcp, "tcp"}, - {Opt_unix, "unix"}, - {Opt_fd, "fd"}, + {Opt_trans, "trans=%s"}, {Opt_legacy, "noextend"}, {Opt_nodevmap, "nodevmap"}, {Opt_cache_loose, "cache=loose"}, {Opt_cache_loose, "loose"}, + {Opt_access, "access=%s"}, {Opt_err, NULL} }; -extern struct p9_transport *p9pci_trans_create(void); - -/* - * Parse option string. - */ - /** * v9fs_parse_options - parse mount options into session structure * @options: options string passed from mount @@ -95,23 +80,21 @@ extern struct p9_transport *p9pci_trans_create(void); * */ -static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses) +static void v9fs_parse_options(struct v9fs_session_info *v9ses) { - char *p; + char *options = v9ses->options; substring_t args[MAX_OPT_ARGS]; + char *p; int option; int ret; + char *s, *e; /* setup defaults */ - v9ses->port = V9FS_PORT; - v9ses->maxdata = 9000; - v9ses->proto = PROTO_TCP; - v9ses->extended = 1; + v9ses->maxdata = 8192; v9ses->afid = ~0; v9ses->debug = 0; - v9ses->rfdno = ~0; - v9ses->wfdno = ~0; v9ses->cache = 0; + v9ses->trans = v9fs_default_trans(); if (!options) return; @@ -135,47 +118,29 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses) p9_debug_level = option; #endif break; - case Opt_port: - v9ses->port = option; - break; case Opt_msize: v9ses->maxdata = option; break; - case Opt_uid: - v9ses->uid = option; + case Opt_dfltuid: + v9ses->dfltuid = option; break; - case Opt_gid: - v9ses->gid = option; + case Opt_dfltgid: + v9ses->dfltgid = option; break; case Opt_afid: v9ses->afid = option; break; - case Opt_rfdno: - v9ses->rfdno = option; - break; - case Opt_wfdno: - v9ses->wfdno = option; - break; - case Opt_tcp: - v9ses->proto = PROTO_TCP; - break; - case Opt_unix: - v9ses->proto = PROTO_UNIX; - break; - case Opt_pci: - v9ses->proto = PROTO_PCI; - break; - case Opt_fd: - v9ses->proto = PROTO_FD; + case Opt_trans: + v9ses->trans = v9fs_match_trans(&args[0]); break; case Opt_uname: - match_strcpy(v9ses->name, &args[0]); + match_strcpy(v9ses->uname, &args[0]); break; case Opt_remotename: - match_strcpy(v9ses->remotename, &args[0]); + match_strcpy(v9ses->aname, &args[0]); break; case Opt_legacy: - v9ses->extended = 0; + v9ses->flags &= ~V9FS_EXTENDED; break; case Opt_nodevmap: v9ses->nodev = 1; @@ -183,6 +148,22 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses) case Opt_cache_loose: v9ses->cache = CACHE_LOOSE; break; + + case Opt_access: + s = match_strdup(&args[0]); + v9ses->flags &= ~V9FS_ACCESS_MASK; + if (strcmp(s, "user") == 0) + v9ses->flags |= V9FS_ACCESS_USER; + else if (strcmp(s, "any") == 0) + v9ses->flags |= V9FS_ACCESS_ANY; + else { + v9ses->flags |= V9FS_ACCESS_SINGLE; + v9ses->uid = simple_strtol(s, &e, 10); + if (*e != '\0') + v9ses->uid = ~0; + } + break; + default: continue; } @@ -201,56 +182,46 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, const char *dev_name, char *data) { int retval = -EINVAL; - struct p9_transport *trans; + struct p9_trans *trans = NULL; struct p9_fid *fid; - v9ses->name = __getname(); - if (!v9ses->name) + v9ses->uname = __getname(); + if (!v9ses->uname) return ERR_PTR(-ENOMEM); - v9ses->remotename = __getname(); - if (!v9ses->remotename) { - __putname(v9ses->name); + v9ses->aname = __getname(); + if (!v9ses->aname) { + __putname(v9ses->uname); return ERR_PTR(-ENOMEM); } - strcpy(v9ses->name, V9FS_DEFUSER); - strcpy(v9ses->remotename, V9FS_DEFANAME); - - v9fs_parse_options(data, v9ses); - - switch (v9ses->proto) { - case PROTO_TCP: - trans = p9_trans_create_tcp(dev_name, v9ses->port); - break; - case PROTO_UNIX: - trans = p9_trans_create_unix(dev_name); - *v9ses->remotename = 0; - break; - case PROTO_FD: - trans = p9_trans_create_fd(v9ses->rfdno, v9ses->wfdno); - *v9ses->remotename = 0; - break; -#ifdef CONFIG_PCI_9P - case PROTO_PCI: - trans = p9pci_trans_create(); - *v9ses->remotename = 0; - break; -#endif - default: - printk(KERN_ERR "v9fs: Bad mount protocol %d\n", v9ses->proto); - retval = -ENOPROTOOPT; + v9ses->flags = V9FS_EXTENDED | V9FS_ACCESS_USER; + strcpy(v9ses->uname, V9FS_DEFUSER); + strcpy(v9ses->aname, V9FS_DEFANAME); + v9ses->uid = ~0; + v9ses->dfltuid = V9FS_DEFUID; + v9ses->dfltgid = V9FS_DEFGID; + v9ses->options = kstrdup(data, GFP_KERNEL); + v9fs_parse_options(v9ses); + + if (v9ses->trans == NULL) { + retval = -EPROTONOSUPPORT; + P9_DPRINTK(P9_DEBUG_ERROR, + "No transport defined or default transport\n"); goto error; - }; + } + trans = v9ses->trans->create(dev_name, v9ses->options); if (IS_ERR(trans)) { retval = PTR_ERR(trans); trans = NULL; goto error; } + if ((v9ses->maxdata+P9_IOHDRSZ) > v9ses->trans->maxsize) + v9ses->maxdata = v9ses->trans->maxsize-P9_IOHDRSZ; - v9ses->clnt = p9_client_create(trans, v9ses->maxdata + P9_IOHDRSZ, - v9ses->extended); + v9ses->clnt = p9_client_create(trans, v9ses->maxdata+P9_IOHDRSZ, + v9fs_extended(v9ses)); if (IS_ERR(v9ses->clnt)) { retval = PTR_ERR(v9ses->clnt); @@ -259,8 +230,20 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, goto error; } - fid = p9_client_attach(v9ses->clnt, NULL, v9ses->name, - v9ses->remotename); + if (!v9ses->clnt->dotu) + v9ses->flags &= ~V9FS_EXTENDED; + + /* for legacy mode, fall back to V9FS_ACCESS_ANY */ + if (!v9fs_extended(v9ses) && + ((v9ses->flags&V9FS_ACCESS_MASK) == V9FS_ACCESS_USER)) { + + v9ses->flags &= ~V9FS_ACCESS_MASK; + v9ses->flags |= V9FS_ACCESS_ANY; + v9ses->uid = ~0; + } + + fid = p9_client_attach(v9ses->clnt, NULL, v9ses->uname, ~0, + v9ses->aname); if (IS_ERR(fid)) { retval = PTR_ERR(fid); fid = NULL; @@ -268,6 +251,11 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, goto error; } + if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_SINGLE) + fid->uid = v9ses->uid; + else + fid->uid = ~0; + return fid; error: @@ -288,8 +276,9 @@ void v9fs_session_close(struct v9fs_session_info *v9ses) v9ses->clnt = NULL; } - __putname(v9ses->name); - __putname(v9ses->remotename); + __putname(v9ses->uname); + __putname(v9ses->aname); + kfree(v9ses->options); } /** @@ -311,7 +300,7 @@ extern int v9fs_error_init(void); static int __init init_v9fs(void) { printk(KERN_INFO "Installing v9fs 9p2000 file system support\n"); - + /* TODO: Setup list of registered trasnport modules */ return register_filesystem(&v9fs_fs_type); } diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index abc4b1668ac..db4b4193f2e 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -29,31 +29,30 @@ struct v9fs_session_info { /* options */ unsigned int maxdata; - unsigned char extended; /* set to 1 if we are using UNIX extensions */ + unsigned char flags; /* session flags */ unsigned char nodev; /* set to 1 if no disable device mapping */ - unsigned short port; /* port to connect to */ unsigned short debug; /* debug level */ - unsigned short proto; /* protocol to use */ unsigned int afid; /* authentication fid */ - unsigned int rfdno; /* read file descriptor number */ - unsigned int wfdno; /* write file descriptor number */ unsigned int cache; /* cache mode */ - char *name; /* user name to mount as */ - char *remotename; /* name of remote hierarchy being mounted */ - unsigned int uid; /* default uid/muid for legacy support */ - unsigned int gid; /* default gid for legacy support */ - + char *options; /* copy of mount options */ + char *uname; /* user name to mount as */ + char *aname; /* name of remote hierarchy being mounted */ + unsigned int dfltuid; /* default uid/muid for legacy support */ + unsigned int dfltgid; /* default gid for legacy support */ + u32 uid; /* if ACCESS_SINGLE, the uid that has access */ + struct p9_trans_module *trans; /* 9p transport */ struct p9_client *clnt; /* 9p client */ struct dentry *debugfs_dir; }; -/* possible values of ->proto */ +/* session flags */ enum { - PROTO_TCP, - PROTO_UNIX, - PROTO_FD, - PROTO_PCI, + V9FS_EXTENDED = 0x01, /* 9P2000.u */ + V9FS_ACCESS_MASK = 0x06, /* access mask */ + V9FS_ACCESS_SINGLE = 0x02, /* only one user can access the files */ + V9FS_ACCESS_USER = 0x04, /* attache per user */ + V9FS_ACCESS_ANY = 0x06, /* use the same attach for all users */ }; /* possible values of ->cache */ @@ -73,11 +72,18 @@ void v9fs_session_cancel(struct v9fs_session_info *v9ses); #define V9FS_MAGIC 0x01021997 /* other default globals */ -#define V9FS_PORT 564 +#define V9FS_PORT 564 #define V9FS_DEFUSER "nobody" #define V9FS_DEFANAME "" +#define V9FS_DEFUID (-2) +#define V9FS_DEFGID (-2) static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode) { return (inode->i_sb->s_fs_info); } + +static inline int v9fs_extended(struct v9fs_session_info *v9ses) +{ + return v9ses->flags & V9FS_EXTENDED; +} diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 716691689fd..ba4b1caa9c4 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -162,15 +162,17 @@ v9fs_file_write(struct file *filp, const char __user * data, fid = filp->private_data; ret = p9_client_uwrite(fid, data, *offset, count); - if (ret > 0) + if (ret > 0) { + invalidate_inode_pages2_range(inode->i_mapping, *offset, + *offset+ret); *offset += ret; + } if (*offset > inode->i_size) { inode->i_size = *offset; inode->i_blocks = (inode->i_size + 512 - 1) >> 9; } - invalidate_inode_pages2(inode->i_mapping); return ret; } diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index e5c45eed58a..175b4d9bf3f 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -59,7 +59,7 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) res = mode & 0777; if (S_ISDIR(mode)) res |= P9_DMDIR; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if (S_ISLNK(mode)) res |= P9_DMSYMLINK; if (v9ses->nodev == 0) { @@ -99,21 +99,21 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode) if ((mode & P9_DMDIR) == P9_DMDIR) res |= S_IFDIR; - else if ((mode & P9_DMSYMLINK) && (v9ses->extended)) + else if ((mode & P9_DMSYMLINK) && (v9fs_extended(v9ses))) res |= S_IFLNK; - else if ((mode & P9_DMSOCKET) && (v9ses->extended) + else if ((mode & P9_DMSOCKET) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFSOCK; - else if ((mode & P9_DMNAMEDPIPE) && (v9ses->extended) + else if ((mode & P9_DMNAMEDPIPE) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFIFO; - else if ((mode & P9_DMDEVICE) && (v9ses->extended) + else if ((mode & P9_DMDEVICE) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFBLK; else res |= S_IFREG; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if ((mode & P9_DMSETUID) == P9_DMSETUID) res |= S_ISUID; @@ -214,7 +214,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) case S_IFBLK: case S_IFCHR: case S_IFSOCK: - if(!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "special files without extended mode\n"); return ERR_PTR(-EINVAL); @@ -227,7 +227,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) inode->i_fop = &v9fs_file_operations; break; case S_IFLNK: - if(!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "extended modes used w/o 9P2000.u\n"); return ERR_PTR(-EINVAL); @@ -236,7 +236,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) break; case S_IFDIR: inc_nlink(inode); - if(v9ses->extended) + if (v9fs_extended(v9ses)) inode->i_op = &v9fs_dir_inode_operations_ext; else inode->i_op = &v9fs_dir_inode_operations; @@ -364,7 +364,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir) file_inode = file->d_inode; v9ses = v9fs_inode2v9ses(file_inode); v9fid = v9fs_fid_clone(file); - if(IS_ERR(v9fid)) + if (IS_ERR(v9fid)) return PTR_ERR(v9fid); return p9_client_remove(v9fid); @@ -398,7 +398,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir, fid = NULL; name = (char *) dentry->d_name.name; dfid = v9fs_fid_clone(dentry->d_parent); - if(IS_ERR(dfid)) { + if (IS_ERR(dfid)) { err = PTR_ERR(dfid); dfid = NULL; goto error; @@ -432,7 +432,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir, goto error; } - if(v9ses->cache) + if (v9ses->cache) dentry->d_op = &v9fs_cached_dentry_operations; else dentry->d_op = &v9fs_dentry_operations; @@ -593,7 +593,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, if (result < 0) goto error; - if((fid->qid.version)&&(v9ses->cache)) + if ((fid->qid.version) && (v9ses->cache)) dentry->d_op = &v9fs_cached_dentry_operations; else dentry->d_op = &v9fs_dentry_operations; @@ -658,17 +658,17 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, old_inode = old_dentry->d_inode; v9ses = v9fs_inode2v9ses(old_inode); oldfid = v9fs_fid_lookup(old_dentry); - if(IS_ERR(oldfid)) + if (IS_ERR(oldfid)) return PTR_ERR(oldfid); olddirfid = v9fs_fid_clone(old_dentry->d_parent); - if(IS_ERR(olddirfid)) { + if (IS_ERR(olddirfid)) { retval = PTR_ERR(olddirfid); goto done; } newdirfid = v9fs_fid_clone(new_dentry->d_parent); - if(IS_ERR(newdirfid)) { + if (IS_ERR(newdirfid)) { retval = PTR_ERR(newdirfid); goto clunk_olddir; } @@ -682,7 +682,7 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, } v9fs_blank_wstat(&wstat); - wstat.muid = v9ses->name; + wstat.muid = v9ses->uname; wstat.name = (char *) new_dentry->d_name.name; retval = p9_client_wstat(oldfid, &wstat); @@ -768,7 +768,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) if (iattr->ia_valid & ATTR_SIZE) wstat.length = iattr->ia_size; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if (iattr->ia_valid & ATTR_UID) wstat.n_uid = iattr->ia_uid; @@ -805,10 +805,10 @@ v9fs_stat2inode(struct p9_stat *stat, struct inode *inode, inode->i_mtime.tv_sec = stat->mtime; inode->i_ctime.tv_sec = stat->mtime; - inode->i_uid = v9ses->uid; - inode->i_gid = v9ses->gid; + inode->i_uid = v9ses->dfltuid; + inode->i_gid = v9ses->dfltgid; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { inode->i_uid = stat->n_uid; inode->i_gid = stat->n_gid; } @@ -887,10 +887,10 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen) retval = -EPERM; v9ses = v9fs_inode2v9ses(dentry->d_inode); fid = v9fs_fid_lookup(dentry); - if(IS_ERR(fid)) + if (IS_ERR(fid)) return PTR_ERR(fid); - if (!v9ses->extended) + if (!v9fs_extended(v9ses)) return -EBADF; st = p9_client_stat(fid); @@ -1011,7 +1011,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry, struct p9_fid *fid; v9ses = v9fs_inode2v9ses(dir); - if (!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "not extended\n"); return -EPERM; } @@ -1070,7 +1070,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir, old_dentry->d_name.name); oldfid = v9fs_fid_clone(old_dentry); - if(IS_ERR(oldfid)) + if (IS_ERR(oldfid)) return PTR_ERR(oldfid); name = __getname(); diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index ba904371218..bb0cef9a6b8 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -216,24 +216,7 @@ static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt) { struct v9fs_session_info *v9ses = mnt->mnt_sb->s_fs_info; - if (v9ses->debug != 0) - seq_printf(m, ",debug=%x", v9ses->debug); - if (v9ses->port != V9FS_PORT) - seq_printf(m, ",port=%u", v9ses->port); - if (v9ses->maxdata != 9000) - seq_printf(m, ",msize=%u", v9ses->maxdata); - if (v9ses->afid != ~0) - seq_printf(m, ",afid=%u", v9ses->afid); - if (v9ses->proto == PROTO_UNIX) - seq_puts(m, ",proto=unix"); - if (v9ses->extended == 0) - seq_puts(m, ",noextend"); - if (v9ses->nodev == 1) - seq_puts(m, ",nodevmap"); - seq_printf(m, ",name=%s", v9ses->name); - seq_printf(m, ",aname=%s", v9ses->remotename); - seq_printf(m, ",uid=%u", v9ses->uid); - seq_printf(m, ",gid=%u", v9ses->gid); + seq_printf(m, "%s", v9ses->options); return 0; } diff --git a/fs/Kconfig b/fs/Kconfig index 815d201d860..d8062745716 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -534,6 +534,24 @@ config QUOTA with the quota tools. Probably the quota support is only useful for multi user systems. If unsure, say N. +config QUOTA_NETLINK_INTERFACE + bool "Report quota messages through netlink interface" + depends on QUOTA && NET + help + If you say Y here, quota warnings (about exceeding softlimit, reaching + hardlimit, etc.) will be reported through netlink interface. If unsure, + say Y. + +config PRINT_QUOTA_WARNING + bool "Print quota warnings to console (OBSOLETE)" + depends on QUOTA + default y + help + If you say Y here, quota warnings (about exceeding softlimit, reaching + hardlimit, etc.) will be printed to the process' controlling terminal. + Note that this behavior is currently deprecated and may go away in + future. Please use notification via netlink socket instead. + config QFMT_V1 tristate "Old quota format support" depends on QUOTA @@ -555,7 +573,7 @@ config QUOTACTL default y config DNOTIFY - bool "Dnotify support" if EMBEDDED + bool "Dnotify support" default y help Dnotify is a directory-based per-fd file change notification system @@ -563,7 +581,7 @@ config DNOTIFY superior alternatives, but some applications may still rely on dnotify. - Because of this, if unsure, say Y. + If unsure, say Y. config AUTOFS_FS tristate "Kernel automounter support" @@ -999,20 +1017,6 @@ config HUGETLBFS config HUGETLB_PAGE def_bool HUGETLBFS -config RAMFS - bool - default y - ---help--- - Ramfs is a file system which keeps all files in RAM. It allows - read and write access. - - It is more of an programming example than a useable file system. If - you need a file system which lives in RAM with limit checking use - tmpfs. - - To compile this as a module, choose M here: the module will be called - ramfs. - config CONFIGFS_FS tristate "Userspace-driven configuration filesystem (EXPERIMENTAL)" depends on SYSFS && EXPERIMENTAL @@ -1543,8 +1547,20 @@ config UFS_DEBUG endmenu -menu "Network File Systems" +menuconfig NETWORK_FILESYSTEMS + bool "Network File Systems" + default y depends on NET + ---help--- + Say Y here to get to see options for network filesystems and + filesystem-related networking code, such as NFS daemon and + RPCSEC security modules. + This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and + disabled; if unsure, say Y here. + +if NETWORK_FILESYSTEMS config NFS_FS tristate "NFS file system support" @@ -2090,7 +2106,7 @@ config 9P_FS If unsure, say N. -endmenu +endif # NETWORK_FILESYSTEMS if BLOCK menu "Partition Types" diff --git a/fs/Makefile b/fs/Makefile index 720c29d57a6..500cf15cdb4 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -72,7 +72,7 @@ obj-$(CONFIG_JBD) += jbd/ obj-$(CONFIG_JBD2) += jbd2/ obj-$(CONFIG_EXT2_FS) += ext2/ obj-$(CONFIG_CRAMFS) += cramfs/ -obj-$(CONFIG_RAMFS) += ramfs/ +obj-y += ramfs/ obj-$(CONFIG_HUGETLBFS) += hugetlbfs/ obj-$(CONFIG_CODA_FS) += coda/ obj-$(CONFIG_MINIX_FS) += minix/ diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index 7e7a04be127..e647200262a 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -61,10 +61,14 @@ static int adfs_readpage(struct file *file, struct page *page) return block_read_full_page(page, adfs_get_block); } -static int adfs_prepare_write(struct file *file, struct page *page, unsigned int from, unsigned int to) +static int adfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page, from, to, adfs_get_block, - &ADFS_I(page->mapping->host)->mmu_private); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + adfs_get_block, + &ADFS_I(mapping->host)->mmu_private); } static sector_t _adfs_bmap(struct address_space *mapping, sector_t block) @@ -76,8 +80,8 @@ static const struct address_space_operations adfs_aops = { .readpage = adfs_readpage, .writepage = adfs_writepage, .sync_page = block_sync_page, - .prepare_write = adfs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = adfs_write_begin, + .write_end = generic_write_end, .bmap = _adfs_bmap }; diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 1c9fd302949..b36695ae5c2 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -228,7 +228,7 @@ static void adfs_destroy_inode(struct inode *inode) kmem_cache_free(adfs_inode_cachep, ADFS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct adfs_inode_info *ei = (struct adfs_inode_info *) foo; diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c index b330009fe42..c4a5ad09ddf 100644 --- a/fs/affs/bitmap.c +++ b/fs/affs/bitmap.c @@ -11,7 +11,7 @@ /* This is, of course, shamelessly stolen from fs/minix */ -static int nibblemap[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 }; +static const int nibblemap[] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 }; static u32 affs_count_free_bits(u32 blocksize, const void *data) diff --git a/fs/affs/file.c b/fs/affs/file.c index c314a35f091..6e0c9399200 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -395,25 +395,33 @@ static int affs_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page, affs_get_block, wbc); } + static int affs_readpage(struct file *file, struct page *page) { return block_read_full_page(page, affs_get_block); } -static int affs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) + +static int affs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page, from, to, affs_get_block, - &AFFS_I(page->mapping->host)->mmu_private); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + affs_get_block, + &AFFS_I(mapping->host)->mmu_private); } + static sector_t _affs_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,affs_get_block); } + const struct address_space_operations affs_aops = { .readpage = affs_readpage, .writepage = affs_writepage, .sync_page = block_sync_page, - .prepare_write = affs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = affs_write_begin, + .write_end = generic_write_end, .bmap = _affs_bmap }; @@ -603,54 +611,65 @@ affs_readpage_ofs(struct file *file, struct page *page) return err; } -static int affs_prepare_write_ofs(struct file *file, struct page *page, unsigned from, unsigned to) +static int affs_write_begin_ofs(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct inode *inode = page->mapping->host; - u32 size, offset; - u32 tmp; + struct inode *inode = mapping->host; + struct page *page; + pgoff_t index; int err = 0; - pr_debug("AFFS: prepare_write(%u, %ld, %d, %d)\n", (u32)inode->i_ino, page->index, from, to); - offset = page->index << PAGE_CACHE_SHIFT; - if (offset + from > AFFS_I(inode)->mmu_private) { - err = affs_extent_file_ofs(inode, offset + from); + pr_debug("AFFS: write_begin(%u, %llu, %llu)\n", (u32)inode->i_ino, (unsigned long long)pos, (unsigned long long)pos + len); + if (pos > AFFS_I(inode)->mmu_private) { + /* XXX: this probably leaves a too-big i_size in case of + * failure. Should really be updating i_size at write_end time + */ + err = affs_extent_file_ofs(inode, pos); if (err) return err; } - size = inode->i_size; + + index = pos >> PAGE_CACHE_SHIFT; + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; if (PageUptodate(page)) return 0; - if (from) { - err = affs_do_readpage_ofs(file, page, 0, from); - if (err) - return err; - } - if (to < PAGE_CACHE_SIZE) { - zero_user_page(page, to, PAGE_CACHE_SIZE - to, KM_USER0); - if (size > offset + to) { - if (size < offset + PAGE_CACHE_SIZE) - tmp = size & ~PAGE_CACHE_MASK; - else - tmp = PAGE_CACHE_SIZE; - err = affs_do_readpage_ofs(file, page, to, tmp); - } + /* XXX: inefficient but safe in the face of short writes */ + err = affs_do_readpage_ofs(file, page, 0, PAGE_CACHE_SIZE); + if (err) { + unlock_page(page); + page_cache_release(page); } return err; } -static int affs_commit_write_ofs(struct file *file, struct page *page, unsigned from, unsigned to) +static int affs_write_end_ofs(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; struct super_block *sb = inode->i_sb; struct buffer_head *bh, *prev_bh; char *data; u32 bidx, boff, bsize; + unsigned from, to; u32 tmp; int written; - pr_debug("AFFS: commit_write(%u, %ld, %d, %d)\n", (u32)inode->i_ino, page->index, from, to); + from = pos & (PAGE_CACHE_SIZE - 1); + to = pos + len; + /* + * XXX: not sure if this can handle short copies (len < copied), but + * we don't have to, because the page should always be uptodate here, + * due to write_begin. + */ + + pr_debug("AFFS: write_begin(%u, %llu, %llu)\n", (u32)inode->i_ino, (unsigned long long)pos, (unsigned long long)pos + len); bsize = AFFS_SB(sb)->s_data_blksize; data = page_address(page); @@ -748,6 +767,9 @@ done: if (tmp > inode->i_size) inode->i_size = AFFS_I(inode)->mmu_private = tmp; + unlock_page(page); + page_cache_release(page); + return written; out: @@ -761,8 +783,8 @@ const struct address_space_operations affs_aops_ofs = { .readpage = affs_readpage_ofs, //.writepage = affs_writepage_ofs, //.sync_page = affs_sync_page_ofs, - .prepare_write = affs_prepare_write_ofs, - .commit_write = affs_commit_write_ofs + .write_begin = affs_write_begin_ofs, + .write_end = affs_write_end_ofs }; /* Free any preallocated blocks. */ @@ -805,18 +827,13 @@ affs_truncate(struct inode *inode) if (inode->i_size > AFFS_I(inode)->mmu_private) { struct address_space *mapping = inode->i_mapping; struct page *page; - u32 size = inode->i_size - 1; + void *fsdata; + u32 size = inode->i_size; int res; - page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT); - if (!page) - return; - size = (size & (PAGE_CACHE_SIZE - 1)) + 1; - res = mapping->a_ops->prepare_write(NULL, page, size, size); + res = mapping->a_ops->write_begin(NULL, mapping, size, 0, 0, &page, &fsdata); if (!res) - res = mapping->a_ops->commit_write(NULL, page, size, size); - unlock_page(page); - page_cache_release(page); + res = mapping->a_ops->write_end(NULL, mapping, size, 0, 0, page, fsdata); mark_inode_dirty(inode); return; } else if (inode->i_size == AFFS_I(inode)->mmu_private) diff --git a/fs/affs/super.c b/fs/affs/super.c index c80191ae205..b53e5d0ec65 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -84,7 +84,7 @@ static void affs_destroy_inode(struct inode *inode) kmem_cache_free(affs_inode_cachep, AFFS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct affs_inode_info *ei = (struct affs_inode_info *) foo; diff --git a/fs/afs/callback.c b/fs/afs/callback.c index b8243945818..a78d5b236bb 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -20,7 +20,9 @@ #include <linux/sched.h> #include "internal.h" +#if 0 unsigned afs_vnode_update_timeout = 10; +#endif /* 0 */ #define afs_breakring_space(server) \ CIRC_SPACE((server)->cb_break_head, (server)->cb_break_tail, \ diff --git a/fs/afs/cell.c b/fs/afs/cell.c index 175a567db78..970d38f3056 100644 --- a/fs/afs/cell.c +++ b/fs/afs/cell.c @@ -33,6 +33,7 @@ static struct afs_cell *afs_cell_root; static struct afs_cell *afs_cell_alloc(const char *name, char *vllist) { struct afs_cell *cell; + struct key *key; size_t namelen; char keyname[4 + AFS_MAXCELLNAME + 1], *cp, *dp, *next; int ret; @@ -89,20 +90,14 @@ static struct afs_cell *afs_cell_alloc(const char *name, char *vllist) do { *dp++ = toupper(*cp); } while (*cp++); - cell->anonymous_key = key_alloc(&key_type_rxrpc, keyname, 0, 0, current, - KEY_POS_SEARCH, KEY_ALLOC_NOT_IN_QUOTA); - if (IS_ERR(cell->anonymous_key)) { - _debug("no key"); - ret = PTR_ERR(cell->anonymous_key); - goto error; - } - ret = key_instantiate_and_link(cell->anonymous_key, NULL, 0, - NULL, NULL); - if (ret < 0) { - _debug("instantiate failed"); + key = rxrpc_get_null_key(keyname); + if (IS_ERR(key)) { + _debug("no key"); + ret = PTR_ERR(key); goto error; } + cell->anonymous_key = key; _debug("anon key %p{%x}", cell->anonymous_key, key_serial(cell->anonymous_key)); @@ -265,6 +260,7 @@ struct afs_cell *afs_cell_lookup(const char *name, unsigned namesz) return cell; } +#if 0 /* * try and get a cell record */ @@ -280,6 +276,7 @@ struct afs_cell *afs_get_cell_maybe(struct afs_cell *cell) write_unlock(&afs_cells_lock); return cell; } +#endif /* 0 */ /* * destroy a cell record diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c index d5b2ad6575b..47b71c8947f 100644 --- a/fs/afs/cmservice.c +++ b/fs/afs/cmservice.c @@ -16,7 +16,9 @@ #include "internal.h" #include "afs_cm.h" +#if 0 struct workqueue_struct *afs_cm_workqueue; +#endif /* 0 */ static int afs_deliver_cb_init_call_back_state(struct afs_call *, struct sk_buff *, bool); diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 6306438f331..5ca3625cd39 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -570,7 +570,6 @@ extern int afs_abort_to_error(u32); */ extern const struct inode_operations afs_mntpt_inode_operations; extern const struct file_operations afs_mntpt_file_operations; -extern unsigned long afs_mntpt_expiry_timeout; extern int afs_mntpt_check_symlink(struct afs_vnode *, struct key *); extern void afs_mntpt_kill_timer(void); diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index 6f8c96fb29e..5ce43b63c60 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -42,7 +42,7 @@ const struct inode_operations afs_mntpt_inode_operations = { static LIST_HEAD(afs_vfsmounts); static DECLARE_DELAYED_WORK(afs_mntpt_expiry_timer, afs_mntpt_expiry_timed_out); -unsigned long afs_mntpt_expiry_timeout = 10 * 60; +static unsigned long afs_mntpt_expiry_timeout = 10 * 60; /* * check a symbolic link to see whether it actually encodes a mountpoint diff --git a/fs/afs/proc.c b/fs/afs/proc.c index 6edb56683b9..846c7615ac9 100644 --- a/fs/afs/proc.c +++ b/fs/afs/proc.c @@ -513,7 +513,7 @@ static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v) up_read(&cell->vl_sem); } -const char afs_vlocation_states[][4] = { +static const char afs_vlocation_states[][4] = { [AFS_VL_NEW] = "New", [AFS_VL_CREATING] = "Crt", [AFS_VL_VALID] = "Val", diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 8ccee9ee1d9..bde3f19c099 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -239,7 +239,8 @@ void afs_flat_call_destructor(struct afs_call *call) /* * attach the data from a bunch of pages on an inode to a call */ -int afs_send_pages(struct afs_call *call, struct msghdr *msg, struct kvec *iov) +static int afs_send_pages(struct afs_call *call, struct msghdr *msg, + struct kvec *iov) { struct page *pages[8]; unsigned count, n, loop, offset, to; diff --git a/fs/afs/server.c b/fs/afs/server.c index 231ae415027..28f2451419e 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -13,7 +13,7 @@ #include <linux/slab.h> #include "internal.h" -unsigned afs_server_timeout = 10; /* server timeout in seconds */ +static unsigned afs_server_timeout = 10; /* server timeout in seconds */ static void afs_reap_server(struct work_struct *); diff --git a/fs/afs/super.c b/fs/afs/super.c index b8808b40f82..4b2558c4221 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -27,8 +27,7 @@ #define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */ -static void afs_i_init_once(void *foo, struct kmem_cache *cachep, - unsigned long flags); +static void afs_i_init_once(struct kmem_cache *cachep, void *foo); static int afs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt); @@ -446,8 +445,7 @@ static void afs_put_super(struct super_block *sb) /* * initialise an inode cache slab element prior to any use */ -static void afs_i_init_once(void *_vnode, struct kmem_cache *cachep, - unsigned long flags) +static void afs_i_init_once(struct kmem_cache *cachep, void *_vnode) { struct afs_vnode *vnode = _vnode; diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c index 09e3ad0fc7c..7b4bbe48112 100644 --- a/fs/afs/vlocation.c +++ b/fs/afs/vlocation.c @@ -15,8 +15,8 @@ #include <linux/sched.h> #include "internal.h" -unsigned afs_vlocation_timeout = 10; /* volume location timeout in seconds */ -unsigned afs_vlocation_update_timeout = 10 * 60; +static unsigned afs_vlocation_timeout = 10; /* volume location timeout in seconds */ +static unsigned afs_vlocation_update_timeout = 10 * 60; static void afs_vlocation_reaper(struct work_struct *); static void afs_vlocation_updater(struct work_struct *); @@ -335,7 +335,7 @@ static int afs_vlocation_fill_in_record(struct afs_vlocation *vl, /* * queue a vlocation record for updates */ -void afs_vlocation_queue_for_updates(struct afs_vlocation *vl) +static void afs_vlocation_queue_for_updates(struct afs_vlocation *vl) { struct afs_vlocation *xvl; diff --git a/fs/afs/write.c b/fs/afs/write.c index a03b92a0fe1..9a849ad3c48 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -8,7 +8,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - +#include <linux/backing-dev.h> #include <linux/slab.h> #include <linux/fs.h> #include <linux/pagemap.h> @@ -510,9 +510,9 @@ int afs_writepage(struct page *page, struct writeback_control *wbc) /* * write a region of pages back to the server */ -int afs_writepages_region(struct address_space *mapping, - struct writeback_control *wbc, - pgoff_t index, pgoff_t end, pgoff_t *_next) +static int afs_writepages_region(struct address_space *mapping, + struct writeback_control *wbc, + pgoff_t index, pgoff_t end, pgoff_t *_next) { struct backing_dev_info *bdi = mapping->backing_dev_info; struct afs_writeback *wb; @@ -303,7 +303,7 @@ static void wait_for_all_aios(struct kioctx *ctx) set_task_state(tsk, TASK_UNINTERRUPTIBLE); while (ctx->reqs_active) { spin_unlock_irq(&ctx->ctx_lock); - schedule(); + io_schedule(); set_task_state(tsk, TASK_UNINTERRUPTIBLE); spin_lock_irq(&ctx->ctx_lock); } @@ -323,7 +323,7 @@ ssize_t fastcall wait_on_sync_kiocb(struct kiocb *iocb) set_current_state(TASK_UNINTERRUPTIBLE); if (!iocb->ki_users) break; - schedule(); + io_schedule(); } __set_current_state(TASK_RUNNING); return iocb->ki_user_data; @@ -1170,7 +1170,7 @@ retry: ret = 0; if (to.timed_out) /* Only check after read evt */ break; - schedule(); + io_schedule(); if (signal_pending(tsk)) { ret = -EINTR; break; diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index b4a75880f6f..23321889d9b 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -76,7 +76,6 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, { struct qstr this; struct dentry *dentry; - struct inode *inode; struct file *file; int error, fd; @@ -86,15 +85,9 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, if (!file) return -ENFILE; - inode = igrab(anon_inode_inode); - if (IS_ERR(inode)) { - error = PTR_ERR(inode); - goto err_put_filp; - } - error = get_unused_fd(); if (error < 0) - goto err_iput; + goto err_put_filp; fd = error; /* @@ -108,14 +101,22 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this); if (!dentry) goto err_put_unused_fd; + + /* + * We know the anon_inode inode count is always greater than zero, + * so we can avoid doing an igrab() and we can use an open-coded + * atomic_inc(). + */ + atomic_inc(&anon_inode_inode->i_count); + dentry->d_op = &anon_inodefs_dentry_operations; /* Do not publish this dentry inside the global dentry hash table */ dentry->d_flags &= ~DCACHE_UNHASHED; - d_instantiate(dentry, inode); + d_instantiate(dentry, anon_inode_inode); file->f_path.mnt = mntget(anon_inode_mnt); file->f_path.dentry = dentry; - file->f_mapping = inode->i_mapping; + file->f_mapping = anon_inode_inode->i_mapping; file->f_pos = 0; file->f_flags = O_RDWR; @@ -127,14 +128,12 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, fd_install(fd, file); *pfd = fd; - *pinode = inode; + *pinode = anon_inode_inode; *pfile = file; return 0; err_put_unused_fd: put_unused_fd(fd); -err_iput: - iput(inode); err_put_filp: put_filp(file); return error; diff --git a/fs/attr.c b/fs/attr.c index f8dfc2269d8..ae58bd3f875 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -116,6 +116,15 @@ int notify_change(struct dentry * dentry, struct iattr * attr) attr->ia_atime = now; if (!(ia_valid & ATTR_MTIME_SET)) attr->ia_mtime = now; + if (ia_valid & ATTR_KILL_PRIV) { + attr->ia_valid &= ~ATTR_KILL_PRIV; + ia_valid &= ~ATTR_KILL_PRIV; + error = security_inode_need_killpriv(dentry); + if (error > 0) + error = security_inode_killpriv(dentry); + if (error) + return error; + } if (ia_valid & ATTR_KILL_SUID) { attr->ia_valid &= ~ATTR_KILL_SUID; if (mode & S_ISUID) { diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 692364e8ffc..cd81f083667 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -312,13 +312,11 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) struct autofs_sb_info *sbi; struct autofs_info *ino; - sbi = kmalloc(sizeof(*sbi), GFP_KERNEL); + sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) goto fail_unlock; DPRINTK("starting up, sbi = %p",sbi); - memset(sbi, 0, sizeof(*sbi)); - s->s_fs_info = sbi; sbi->magic = AUTOFS_SBI_MAGIC; sbi->pipefd = -1; diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index a4514182768..b28a20e61b8 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -289,7 +289,7 @@ befs_destroy_inode(struct inode *inode) kmem_cache_free(befs_inode_cachep, BEFS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct befs_inode_info *bi = (struct befs_inode_info *) foo; diff --git a/fs/bfs/file.c b/fs/bfs/file.c index 24310e9ee05..911b4ccf470 100644 --- a/fs/bfs/file.c +++ b/fs/bfs/file.c @@ -145,9 +145,13 @@ static int bfs_readpage(struct file *file, struct page *page) return block_read_full_page(page, bfs_get_block); } -static int bfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int bfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page, from, to, bfs_get_block); + *pagep = NULL; + return block_write_begin(file, mapping, pos, len, flags, + pagep, fsdata, bfs_get_block); } static sector_t bfs_bmap(struct address_space *mapping, sector_t block) @@ -159,8 +163,8 @@ const struct address_space_operations bfs_aops = { .readpage = bfs_readpage, .writepage = bfs_writepage, .sync_page = block_sync_page, - .prepare_write = bfs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = bfs_write_begin, + .write_end = generic_write_end, .bmap = bfs_bmap, }; diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index f346eb14e86..7bd9c2bbe6e 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -244,7 +244,7 @@ static void bfs_destroy_inode(struct inode *inode) kmem_cache_free(bfs_inode_cachep, BFS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct bfs_inode_info *bi = foo; diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c index 813a887cd2b..e176d195e7e 100644 --- a/fs/binfmt_aout.c +++ b/fs/binfmt_aout.c @@ -31,7 +31,7 @@ static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs); static int load_aout_library(struct file*); -static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file); +static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); static struct linux_binfmt aout_format = { .module = THIS_MODULE, @@ -88,7 +88,7 @@ if (file->f_op->llseek) { \ * dumping of the process results in another error.. */ -static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file) +static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) { mm_segment_t fs; int has_dumped = 0; @@ -123,23 +123,19 @@ static int aout_core_dump(long signr, struct pt_regs * regs, struct file *file) /* If the size of the dump file exceeds the rlimit, then see what would happen if we wrote the stack, but not the data area. */ #ifdef __sparc__ - if ((dump.u_dsize+dump.u_ssize) > - current->signal->rlim[RLIMIT_CORE].rlim_cur) + if ((dump.u_dsize + dump.u_ssize) > limit) dump.u_dsize = 0; #else - if ((dump.u_dsize+dump.u_ssize+1) * PAGE_SIZE > - current->signal->rlim[RLIMIT_CORE].rlim_cur) + if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > limit) dump.u_dsize = 0; #endif /* Make sure we have enough room to write the stack and data areas. */ #ifdef __sparc__ - if ((dump.u_ssize) > - current->signal->rlim[RLIMIT_CORE].rlim_cur) + if (dump.u_ssize > limit) dump.u_ssize = 0; #else - if ((dump.u_ssize+1) * PAGE_SIZE > - current->signal->rlim[RLIMIT_CORE].rlim_cur) + if ((dump.u_ssize + 1) * PAGE_SIZE > limit) dump.u_ssize = 0; #endif diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index b1013f34085..6e2f3b8dde7 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -52,7 +52,7 @@ static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, i * don't even try. */ #if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) -static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file); +static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); #else #define elf_core_dump NULL #endif @@ -151,6 +151,14 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, struct vm_area_struct *vma; /* + * In some cases (e.g. Hyper-Threading), we want to avoid L1 + * evictions by the processes running on the same package. One + * thing we can do is to shuffle the initial stack for them. + */ + + p = arch_align_stack(p); + + /* * If this architecture has a platform capability string, copy it * to userspace. In some cases (Sparc), this info is impossible * for userspace to get any other way, in others (i386) it is @@ -160,14 +168,6 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, if (k_platform) { size_t len = strlen(k_platform) + 1; - /* - * In some cases (e.g. Hyper-Threading), we want to avoid L1 - * evictions by the processes running on the same package. One - * thing we can do is to shuffle the initial stack for them. - */ - - p = arch_align_stack(p); - u_platform = (elf_addr_t __user *)STACK_ALLOC(p, len); if (__copy_to_user(u_platform, k_platform, len)) return -EFAULT; @@ -175,6 +175,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, /* Create the ELF interpreter info */ elf_info = (elf_addr_t *)current->mm->saved_auxv; + /* update AT_VECTOR_SIZE_BASE if the number of NEW_AUX_ENT() changes */ #define NEW_AUX_ENT(id, val) \ do { \ elf_info[ei_index++] = id; \ @@ -185,6 +186,8 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, /* * ARCH_DLINFO must come first so PPC can do its special alignment of * AUXV. + * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT() in + * ARCH_DLINFO changes */ ARCH_DLINFO; #endif @@ -730,6 +733,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) /* Some simple consistency checks for the interpreter */ if (elf_interpreter) { + static int warn; interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT; /* Now figure out which format our binary is */ @@ -741,6 +745,13 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) if (memcmp(loc->interp_elf_ex.e_ident, ELFMAG, SELFMAG) != 0) interpreter_type &= ~INTERPRETER_ELF; + if (interpreter_type == INTERPRETER_AOUT && warn < 10) { + printk(KERN_WARNING "a.out ELF interpreter %s is " + "deprecated and will not be supported " + "after Linux 2.6.25\n", elf_interpreter); + warn++; + } + retval = -ELIBBAD; if (!interpreter_type) goto out_free_dentry; @@ -1193,35 +1204,68 @@ static int dump_seek(struct file *file, loff_t off) } /* - * Decide whether a segment is worth dumping; default is yes to be - * sure (missing info is worse than too much; etc). - * Personally I'd include everything, and use the coredump limit... - * - * I think we should skip something. But I am not sure how. H.J. + * Decide what to dump of a segment, part, all or none. */ -static int maydump(struct vm_area_struct *vma, unsigned long mm_flags) +static unsigned long vma_dump_size(struct vm_area_struct *vma, + unsigned long mm_flags) { /* The vma can be set up to tell us the answer directly. */ if (vma->vm_flags & VM_ALWAYSDUMP) - return 1; + goto whole; /* Do not dump I/O mapped devices or special mappings */ if (vma->vm_flags & (VM_IO | VM_RESERVED)) return 0; +#define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type)) + /* By default, dump shared memory if mapped from an anonymous file. */ if (vma->vm_flags & VM_SHARED) { - if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0) - return test_bit(MMF_DUMP_ANON_SHARED, &mm_flags); - else - return test_bit(MMF_DUMP_MAPPED_SHARED, &mm_flags); + if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0 ? + FILTER(ANON_SHARED) : FILTER(MAPPED_SHARED)) + goto whole; + return 0; } - /* By default, if it hasn't been written to, don't write it out. */ - if (!vma->anon_vma) - return test_bit(MMF_DUMP_MAPPED_PRIVATE, &mm_flags); + /* Dump segments that have been written to. */ + if (vma->anon_vma && FILTER(ANON_PRIVATE)) + goto whole; + if (vma->vm_file == NULL) + return 0; + + if (FILTER(MAPPED_PRIVATE)) + goto whole; - return test_bit(MMF_DUMP_ANON_PRIVATE, &mm_flags); + /* + * If this looks like the beginning of a DSO or executable mapping, + * check for an ELF header. If we find one, dump the first page to + * aid in determining what was mapped here. + */ + if (FILTER(ELF_HEADERS) && vma->vm_file != NULL && vma->vm_pgoff == 0) { + u32 __user *header = (u32 __user *) vma->vm_start; + u32 word; + /* + * Doing it this way gets the constant folded by GCC. + */ + union { + u32 cmp; + char elfmag[SELFMAG]; + } magic; + BUILD_BUG_ON(SELFMAG != sizeof word); + magic.elfmag[EI_MAG0] = ELFMAG0; + magic.elfmag[EI_MAG1] = ELFMAG1; + magic.elfmag[EI_MAG2] = ELFMAG2; + magic.elfmag[EI_MAG3] = ELFMAG3; + if (get_user(word, header) == 0 && word == magic.cmp) + return PAGE_SIZE; + } + +#undef FILTER + + return 0; + +whole: + return vma->vm_end - vma->vm_start; } /* An ELF note in memory */ @@ -1411,7 +1455,7 @@ struct elf_thread_status elf_fpregset_t fpu; /* NT_PRFPREG */ struct task_struct *thread; #ifdef ELF_CORE_COPY_XFPREGS - elf_fpxregset_t xfpu; /* NT_PRXFPREG */ + elf_fpxregset_t xfpu; /* ELF_CORE_XFPREG_TYPE */ #endif struct memelfnote notes[3]; int num_notes; @@ -1446,8 +1490,8 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) #ifdef ELF_CORE_COPY_XFPREGS if (elf_core_copy_task_xfpregs(p, &t->xfpu)) { - fill_note(&t->notes[2], "LINUX", NT_PRXFPREG, sizeof(t->xfpu), - &t->xfpu); + fill_note(&t->notes[2], "LINUX", ELF_CORE_XFPREG_TYPE, + sizeof(t->xfpu), &t->xfpu); t->num_notes++; sz += notesize(&t->notes[2]); } @@ -1488,7 +1532,7 @@ static struct vm_area_struct *next_vma(struct vm_area_struct *this_vma, * and then they are actually written out. If we run out of core limit * we just truncate. */ -static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) +static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) { #define NUM_NOTES 6 int has_dumped = 0; @@ -1499,7 +1543,6 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) struct vm_area_struct *vma, *gate_vma; struct elfhdr *elf = NULL; loff_t offset = 0, dataoff, foffset; - unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur; int numnote; struct memelfnote *notes = NULL; struct elf_prstatus *prstatus = NULL; /* NT_PRSTATUS */ @@ -1621,7 +1664,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) #ifdef ELF_CORE_COPY_XFPREGS if (elf_core_copy_task_xfpregs(current, xfpu)) fill_note(notes + numnote++, - "LINUX", NT_PRXFPREG, sizeof(*xfpu), xfpu); + "LINUX", ELF_CORE_XFPREG_TYPE, sizeof(*xfpu), xfpu); #endif fs = get_fs(); @@ -1662,16 +1705,13 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) for (vma = first_vma(current, gate_vma); vma != NULL; vma = next_vma(vma, gate_vma)) { struct elf_phdr phdr; - size_t sz; - - sz = vma->vm_end - vma->vm_start; phdr.p_type = PT_LOAD; phdr.p_offset = offset; phdr.p_vaddr = vma->vm_start; phdr.p_paddr = 0; - phdr.p_filesz = maydump(vma, mm_flags) ? sz : 0; - phdr.p_memsz = sz; + phdr.p_filesz = vma_dump_size(vma, mm_flags); + phdr.p_memsz = vma->vm_end - vma->vm_start; offset += phdr.p_filesz; phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0; if (vma->vm_flags & VM_WRITE) @@ -1711,13 +1751,11 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) for (vma = first_vma(current, gate_vma); vma != NULL; vma = next_vma(vma, gate_vma)) { unsigned long addr; + unsigned long end; - if (!maydump(vma, mm_flags)) - continue; + end = vma->vm_start + vma_dump_size(vma, mm_flags); - for (addr = vma->vm_start; - addr < vma->vm_end; - addr += PAGE_SIZE) { + for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) { struct page *page; struct vm_area_struct *vma; @@ -1725,7 +1763,7 @@ static int elf_core_dump(long signr, struct pt_regs *regs, struct file *file) &page, &vma) <= 0) { DUMP_SEEK(PAGE_SIZE); } else { - if (page == ZERO_PAGE(addr)) { + if (page == ZERO_PAGE(0)) { if (!dump_seek(file, PAGE_SIZE)) { page_cache_release(page); goto end_coredump; diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 2f5d8dbe676..033861c6b8f 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -75,7 +75,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *, struct file *, struct mm_struct *); #if defined(USE_ELF_CORE_DUMP) && defined(CONFIG_ELF_CORE) -static int elf_fdpic_core_dump(long, struct pt_regs *, struct file *); +static int elf_fdpic_core_dump(long, struct pt_regs *, struct file *, unsigned long limit); #endif static struct linux_binfmt elf_fdpic_format = { @@ -1417,7 +1417,7 @@ struct elf_thread_status elf_fpregset_t fpu; /* NT_PRFPREG */ struct task_struct *thread; #ifdef ELF_CORE_COPY_XFPREGS - elf_fpxregset_t xfpu; /* NT_PRXFPREG */ + elf_fpxregset_t xfpu; /* ELF_CORE_XFPREG_TYPE */ #endif struct memelfnote notes[3]; int num_notes; @@ -1453,8 +1453,8 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) #ifdef ELF_CORE_COPY_XFPREGS if (elf_core_copy_task_xfpregs(p, &t->xfpu)) { - fill_note(&t->notes[2], "LINUX", NT_PRXFPREG, sizeof(t->xfpu), - &t->xfpu); + fill_note(&t->notes[2], "LINUX", ELF_CORE_XFPREG_TYPE, + sizeof(t->xfpu), &t->xfpu); t->num_notes++; sz += notesize(&t->notes[2]); } @@ -1488,7 +1488,7 @@ static int elf_fdpic_dump_segments(struct file *file, size_t *size, &page, &vma) <= 0) { DUMP_SEEK(file->f_pos + PAGE_SIZE); } - else if (page == ZERO_PAGE(addr)) { + else if (page == ZERO_PAGE(0)) { page_cache_release(page); DUMP_SEEK(file->f_pos + PAGE_SIZE); } @@ -1552,7 +1552,7 @@ static int elf_fdpic_dump_segments(struct file *file, size_t *size, * we just truncate. */ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, - struct file *file) + struct file *file, unsigned long limit) { #define NUM_NOTES 6 int has_dumped = 0; @@ -1563,7 +1563,6 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, struct vm_area_struct *vma; struct elfhdr *elf = NULL; loff_t offset = 0, dataoff; - unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur; int numnote; struct memelfnote *notes = NULL; struct elf_prstatus *prstatus = NULL; /* NT_PRSTATUS */ @@ -1690,7 +1689,7 @@ static int elf_fdpic_core_dump(long signr, struct pt_regs *regs, #ifdef ELF_CORE_COPY_XFPREGS if (elf_core_copy_task_xfpregs(current, xfpu)) fill_note(notes + numnote++, - "LINUX", NT_PRXFPREG, sizeof(*xfpu), xfpu); + "LINUX", ELF_CORE_XFPREG_TYPE, sizeof(*xfpu), xfpu); #endif fs = get_fs(); diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index fcb3405bb14..33764fd6db6 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -75,7 +75,7 @@ static int load_flat_shared_library(int id, struct lib_info *p); #endif static int load_flat_binary(struct linux_binprm *, struct pt_regs * regs); -static int flat_core_dump(long signr, struct pt_regs * regs, struct file *file); +static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit); static struct linux_binfmt flat_format = { .module = THIS_MODULE, @@ -90,7 +90,7 @@ static struct linux_binfmt flat_format = { * Currently only a stub-function. */ -static int flat_core_dump(long signr, struct pt_regs * regs, struct file *file) +static int flat_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit) { printk("Process %s:%d received signr %d and should have core dumped\n", current->comm, current->pid, (int) signr); @@ -113,7 +113,7 @@ static unsigned long create_flat_tables( char * p = (char*)pp; int argc = bprm->argc; int envc = bprm->envc; - char dummy; + char uninitialized_var(dummy); sp = (unsigned long *) ((-(unsigned long)sizeof(char *))&(unsigned long) p); @@ -290,7 +290,6 @@ out_free_buf: kfree(buf); out_free: kfree(strm.workspace); -out: return retval; } @@ -459,7 +458,9 @@ static int load_flat_file(struct linux_binprm * bprm, printk("BINFMT_FLAT: Loading file: %s\n", bprm->filename); if (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION) { - printk("BINFMT_FLAT: bad flat file version 0x%x (supported 0x%x and 0x%x)\n", rev, FLAT_VERSION, OLD_FLAT_VERSION); + printk("BINFMT_FLAT: bad flat file version 0x%x (supported " + "0x%lx and 0x%lx)\n", + rev, FLAT_VERSION, OLD_FLAT_VERSION); ret = -ENOEXEC; goto err; } @@ -515,7 +516,8 @@ static int load_flat_file(struct linux_binprm * bprm, /* * calculate the extra space we need to map in */ - extra = max(bss_len + stack_len, relocs * sizeof(unsigned long)); + extra = max_t(unsigned long, bss_len + stack_len, + relocs * sizeof(unsigned long)); /* * there are a couple of cases here, the separate code/data @@ -546,7 +548,7 @@ static int load_flat_file(struct linux_binprm * bprm, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 0); /* Remap to use all availabe slack region space */ if (realdatastart && (realdatastart < (unsigned long)-4096)) { - reallen = ksize(realdatastart); + reallen = ksize((void *)realdatastart); if (reallen > len) { realdatastart = do_mremap(realdatastart, len, reallen, MREMAP_FIXED, realdatastart); @@ -598,7 +600,7 @@ static int load_flat_file(struct linux_binprm * bprm, PROT_READ | PROT_EXEC | PROT_WRITE, MAP_PRIVATE, 0); /* Remap to use all availabe slack region space */ if (textpos && (textpos < (unsigned long) -4096)) { - reallen = ksize(textpos); + reallen = ksize((void *)textpos); if (reallen > len) { textpos = do_mremap(textpos, len, reallen, MREMAP_FIXED, textpos); diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c index 5bcdaaf4eae..9208c41209f 100644 --- a/fs/binfmt_som.c +++ b/fs/binfmt_som.c @@ -44,7 +44,7 @@ static int load_som_library(struct file *); * don't even try. */ #if 0 -static int som_core_dump(long signr, struct pt_regs * regs); +static int som_core_dump(long signr, struct pt_regs *regs, unsigned long limit); #else #define som_core_dump NULL #endif @@ -109,11 +109,14 @@ static inline struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned lon void bio_free(struct bio *bio, struct bio_set *bio_set) { - const int pool_idx = BIO_POOL_IDX(bio); + if (bio->bi_io_vec) { + const int pool_idx = BIO_POOL_IDX(bio); - BIO_BUG_ON(pool_idx >= BIOVEC_NR_POOLS); + BIO_BUG_ON(pool_idx >= BIOVEC_NR_POOLS); + + mempool_free(bio->bi_io_vec, bio_set->bvec_pools[pool_idx]); + } - mempool_free(bio->bi_io_vec, bio_set->bvec_pools[pool_idx]); mempool_free(bio, bio_set->bio_pool); } @@ -127,21 +130,9 @@ static void bio_fs_destructor(struct bio *bio) void bio_init(struct bio *bio) { - bio->bi_next = NULL; - bio->bi_bdev = NULL; + memset(bio, 0, sizeof(*bio)); bio->bi_flags = 1 << BIO_UPTODATE; - bio->bi_rw = 0; - bio->bi_vcnt = 0; - bio->bi_idx = 0; - bio->bi_phys_segments = 0; - bio->bi_hw_segments = 0; - bio->bi_hw_front_size = 0; - bio->bi_hw_back_size = 0; - bio->bi_size = 0; - bio->bi_max_vecs = 0; - bio->bi_end_io = NULL; atomic_set(&bio->bi_cnt, 1); - bio->bi_private = NULL; } /** diff --git a/fs/block_dev.c b/fs/block_dev.c index 6339a30879b..993f78c5522 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -378,14 +378,26 @@ static int blkdev_readpage(struct file * file, struct page * page) return block_read_full_page(page, blkdev_get_block); } -static int blkdev_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int blkdev_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page, from, to, blkdev_get_block); + *pagep = NULL; + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + blkdev_get_block); } -static int blkdev_commit_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int blkdev_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - return block_commit_write(page, from, to); + int ret; + ret = block_write_end(file, mapping, pos, len, copied, page, fsdata); + + unlock_page(page); + page_cache_release(page); + + return ret; } /* @@ -453,7 +465,7 @@ static void bdev_destroy_inode(struct inode *inode) kmem_cache_free(bdev_cachep, bdi); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct bdev_inode *ei = (struct bdev_inode *) foo; struct block_device *bdev = &ei->bdev; @@ -1327,8 +1339,8 @@ const struct address_space_operations def_blk_aops = { .readpage = blkdev_readpage, .writepage = blkdev_writepage, .sync_page = block_sync_page, - .prepare_write = blkdev_prepare_write, - .commit_write = blkdev_commit_write, + .write_begin = blkdev_write_begin, + .write_end = blkdev_write_end, .writepages = generic_writepages, .direct_IO = blkdev_direct_IO, }; diff --git a/fs/buffer.c b/fs/buffer.c index 75b51dfa5e0..76403b1764c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -110,10 +110,14 @@ static void buffer_io_error(struct buffer_head *bh) } /* - * Default synchronous end-of-IO handler.. Just mark it up-to-date and - * unlock the buffer. This is what ll_rw_block uses too. + * End-of-IO handler helper function which does not touch the bh after + * unlocking it. + * Note: unlock_buffer() sort-of does touch the bh after unlocking it, but + * a race there is benign: unlock_buffer() only use the bh's address for + * hashing after unlocking the buffer, so it doesn't actually touch the bh + * itself. */ -void end_buffer_read_sync(struct buffer_head *bh, int uptodate) +static void __end_buffer_read_notouch(struct buffer_head *bh, int uptodate) { if (uptodate) { set_buffer_uptodate(bh); @@ -122,6 +126,15 @@ void end_buffer_read_sync(struct buffer_head *bh, int uptodate) clear_buffer_uptodate(bh); } unlock_buffer(bh); +} + +/* + * Default synchronous end-of-IO handler.. Just mark it up-to-date and + * unlock the buffer. This is what ll_rw_block uses too. + */ +void end_buffer_read_sync(struct buffer_head *bh, int uptodate) +{ + __end_buffer_read_notouch(bh, uptodate); put_bh(bh); } @@ -697,6 +710,8 @@ static int __set_page_dirty(struct page *page, if (mapping_cap_account_dirty(mapping)) { __inc_zone_page_state(page, NR_FILE_DIRTY); + __inc_bdi_stat(mapping->backing_dev_info, + BDI_RECLAIMABLE); task_io_account_write(PAGE_CACHE_SIZE); } radix_tree_tag_set(&mapping->page_tree, @@ -1715,7 +1730,6 @@ done: * The page and buffer_heads can be released at any time from * here on. */ - wbc->pages_skipped++; /* We didn't write this page */ } return err; @@ -1757,6 +1771,48 @@ recover: goto done; } +/* + * If a page has any new buffers, zero them out here, and mark them uptodate + * and dirty so they'll be written out (in order to prevent uninitialised + * block data from leaking). And clear the new bit. + */ +void page_zero_new_buffers(struct page *page, unsigned from, unsigned to) +{ + unsigned int block_start, block_end; + struct buffer_head *head, *bh; + + BUG_ON(!PageLocked(page)); + if (!page_has_buffers(page)) + return; + + bh = head = page_buffers(page); + block_start = 0; + do { + block_end = block_start + bh->b_size; + + if (buffer_new(bh)) { + if (block_end > from && block_start < to) { + if (!PageUptodate(page)) { + unsigned start, size; + + start = max(from, block_start); + size = min(to, block_end) - start; + + zero_user_page(page, start, size, KM_USER0); + set_buffer_uptodate(bh); + } + + clear_buffer_new(bh); + mark_buffer_dirty(bh); + } + } + + block_start = block_end; + bh = bh->b_this_page; + } while (bh != head); +} +EXPORT_SYMBOL(page_zero_new_buffers); + static int __block_prepare_write(struct inode *inode, struct page *page, unsigned from, unsigned to, get_block_t *get_block) { @@ -1800,7 +1856,9 @@ static int __block_prepare_write(struct inode *inode, struct page *page, unmap_underlying_metadata(bh->b_bdev, bh->b_blocknr); if (PageUptodate(page)) { + clear_buffer_new(bh); set_buffer_uptodate(bh); + mark_buffer_dirty(bh); continue; } if (block_end > to || block_start < from) { @@ -1839,38 +1897,8 @@ static int __block_prepare_write(struct inode *inode, struct page *page, if (!buffer_uptodate(*wait_bh)) err = -EIO; } - if (!err) { - bh = head; - do { - if (buffer_new(bh)) - clear_buffer_new(bh); - } while ((bh = bh->b_this_page) != head); - return 0; - } - /* Error case: */ - /* - * Zero out any newly allocated blocks to avoid exposing stale - * data. If BH_New is set, we know that the block was newly - * allocated in the above loop. - */ - bh = head; - block_start = 0; - do { - block_end = block_start+blocksize; - if (block_end <= from) - goto next_bh; - if (block_start >= to) - break; - if (buffer_new(bh)) { - clear_buffer_new(bh); - zero_user_page(page, block_start, bh->b_size, KM_USER0); - set_buffer_uptodate(bh); - mark_buffer_dirty(bh); - } -next_bh: - block_start = block_end; - bh = bh->b_this_page; - } while (bh != head); + if (unlikely(err)) + page_zero_new_buffers(page, from, to); return err; } @@ -1895,6 +1923,7 @@ static int __block_commit_write(struct inode *inode, struct page *page, set_buffer_uptodate(bh); mark_buffer_dirty(bh); } + clear_buffer_new(bh); } /* @@ -1909,6 +1938,130 @@ static int __block_commit_write(struct inode *inode, struct page *page, } /* + * block_write_begin takes care of the basic task of block allocation and + * bringing partial write blocks uptodate first. + * + * If *pagep is not NULL, then block_write_begin uses the locked page + * at *pagep rather than allocating its own. In this case, the page will + * not be unlocked or deallocated on failure. + */ +int block_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, + get_block_t *get_block) +{ + struct inode *inode = mapping->host; + int status = 0; + struct page *page; + pgoff_t index; + unsigned start, end; + int ownpage = 0; + + index = pos >> PAGE_CACHE_SHIFT; + start = pos & (PAGE_CACHE_SIZE - 1); + end = start + len; + + page = *pagep; + if (page == NULL) { + ownpage = 1; + page = __grab_cache_page(mapping, index); + if (!page) { + status = -ENOMEM; + goto out; + } + *pagep = page; + } else + BUG_ON(!PageLocked(page)); + + status = __block_prepare_write(inode, page, start, end, get_block); + if (unlikely(status)) { + ClearPageUptodate(page); + + if (ownpage) { + unlock_page(page); + page_cache_release(page); + *pagep = NULL; + + /* + * prepare_write() may have instantiated a few blocks + * outside i_size. Trim these off again. Don't need + * i_size_read because we hold i_mutex. + */ + if (pos + len > inode->i_size) + vmtruncate(inode, inode->i_size); + } + goto out; + } + +out: + return status; +} +EXPORT_SYMBOL(block_write_begin); + +int block_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = mapping->host; + unsigned start; + + start = pos & (PAGE_CACHE_SIZE - 1); + + if (unlikely(copied < len)) { + /* + * The buffers that were written will now be uptodate, so we + * don't have to worry about a readpage reading them and + * overwriting a partial write. However if we have encountered + * a short write and only partially written into a buffer, it + * will not be marked uptodate, so a readpage might come in and + * destroy our partial write. + * + * Do the simplest thing, and just treat any short write to a + * non uptodate page as a zero-length write, and force the + * caller to redo the whole thing. + */ + if (!PageUptodate(page)) + copied = 0; + + page_zero_new_buffers(page, start+copied, start+len); + } + flush_dcache_page(page); + + /* This could be a short (even 0-length) commit */ + __block_commit_write(inode, page, start, start+copied); + + return copied; +} +EXPORT_SYMBOL(block_write_end); + +int generic_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = mapping->host; + + copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); + + /* + * No need to use i_size_read() here, the i_size + * cannot change under us because we hold i_mutex. + * + * But it's important to update i_size while still holding page lock: + * page writeout could otherwise come in and zero beyond i_size. + */ + if (pos+copied > inode->i_size) { + i_size_write(inode, pos+copied); + mark_inode_dirty(inode); + } + + unlock_page(page); + page_cache_release(page); + + return copied; +} +EXPORT_SYMBOL(generic_write_end); + +/* * Generic "read page" function for block devices that have the normal * get_block functionality. This is most of the block device filesystems. * Reads the page asynchronously --- the unlock_buffer() and @@ -2004,14 +2157,14 @@ int block_read_full_page(struct page *page, get_block_t *get_block) } /* utility function for filesystems that need to do work on expanding - * truncates. Uses prepare/commit_write to allow the filesystem to + * truncates. Uses filesystem pagecache writes to allow the filesystem to * deal with the hole. */ -static int __generic_cont_expand(struct inode *inode, loff_t size, - pgoff_t index, unsigned int offset) +int generic_cont_expand_simple(struct inode *inode, loff_t size) { struct address_space *mapping = inode->i_mapping; struct page *page; + void *fsdata; unsigned long limit; int err; @@ -2024,140 +2177,115 @@ static int __generic_cont_expand(struct inode *inode, loff_t size, if (size > inode->i_sb->s_maxbytes) goto out; - err = -ENOMEM; - page = grab_cache_page(mapping, index); - if (!page) - goto out; - err = mapping->a_ops->prepare_write(NULL, page, offset, offset); - if (err) { - /* - * ->prepare_write() may have instantiated a few blocks - * outside i_size. Trim these off again. - */ - unlock_page(page); - page_cache_release(page); - vmtruncate(inode, inode->i_size); + err = pagecache_write_begin(NULL, mapping, size, 0, + AOP_FLAG_UNINTERRUPTIBLE|AOP_FLAG_CONT_EXPAND, + &page, &fsdata); + if (err) goto out; - } - err = mapping->a_ops->commit_write(NULL, page, offset, offset); + err = pagecache_write_end(NULL, mapping, size, 0, 0, page, fsdata); + BUG_ON(err > 0); - unlock_page(page); - page_cache_release(page); - if (err > 0) - err = 0; out: return err; } -int generic_cont_expand(struct inode *inode, loff_t size) +int cont_expand_zero(struct file *file, struct address_space *mapping, + loff_t pos, loff_t *bytes) { - pgoff_t index; - unsigned int offset; + struct inode *inode = mapping->host; + unsigned blocksize = 1 << inode->i_blkbits; + struct page *page; + void *fsdata; + pgoff_t index, curidx; + loff_t curpos; + unsigned zerofrom, offset, len; + int err = 0; - offset = (size & (PAGE_CACHE_SIZE - 1)); /* Within page */ + index = pos >> PAGE_CACHE_SHIFT; + offset = pos & ~PAGE_CACHE_MASK; - /* ugh. in prepare/commit_write, if from==to==start of block, we - ** skip the prepare. make sure we never send an offset for the start - ** of a block - */ - if ((offset & (inode->i_sb->s_blocksize - 1)) == 0) { - /* caller must handle this extra byte. */ - offset++; - } - index = size >> PAGE_CACHE_SHIFT; + while (index > (curidx = (curpos = *bytes)>>PAGE_CACHE_SHIFT)) { + zerofrom = curpos & ~PAGE_CACHE_MASK; + if (zerofrom & (blocksize-1)) { + *bytes |= (blocksize-1); + (*bytes)++; + } + len = PAGE_CACHE_SIZE - zerofrom; - return __generic_cont_expand(inode, size, index, offset); -} + err = pagecache_write_begin(file, mapping, curpos, len, + AOP_FLAG_UNINTERRUPTIBLE, + &page, &fsdata); + if (err) + goto out; + zero_user_page(page, zerofrom, len, KM_USER0); + err = pagecache_write_end(file, mapping, curpos, len, len, + page, fsdata); + if (err < 0) + goto out; + BUG_ON(err != len); + err = 0; + } -int generic_cont_expand_simple(struct inode *inode, loff_t size) -{ - loff_t pos = size - 1; - pgoff_t index = pos >> PAGE_CACHE_SHIFT; - unsigned int offset = (pos & (PAGE_CACHE_SIZE - 1)) + 1; + /* page covers the boundary, find the boundary offset */ + if (index == curidx) { + zerofrom = curpos & ~PAGE_CACHE_MASK; + /* if we will expand the thing last block will be filled */ + if (offset <= zerofrom) { + goto out; + } + if (zerofrom & (blocksize-1)) { + *bytes |= (blocksize-1); + (*bytes)++; + } + len = offset - zerofrom; - /* prepare/commit_write can handle even if from==to==start of block. */ - return __generic_cont_expand(inode, size, index, offset); + err = pagecache_write_begin(file, mapping, curpos, len, + AOP_FLAG_UNINTERRUPTIBLE, + &page, &fsdata); + if (err) + goto out; + zero_user_page(page, zerofrom, len, KM_USER0); + err = pagecache_write_end(file, mapping, curpos, len, len, + page, fsdata); + if (err < 0) + goto out; + BUG_ON(err != len); + err = 0; + } +out: + return err; } /* * For moronic filesystems that do not allow holes in file. * We may have to extend the file. */ - -int cont_prepare_write(struct page *page, unsigned offset, - unsigned to, get_block_t *get_block, loff_t *bytes) +int cont_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, + get_block_t *get_block, loff_t *bytes) { - struct address_space *mapping = page->mapping; struct inode *inode = mapping->host; - struct page *new_page; - pgoff_t pgpos; - long status; - unsigned zerofrom; unsigned blocksize = 1 << inode->i_blkbits; + unsigned zerofrom; + int err; - while(page->index > (pgpos = *bytes>>PAGE_CACHE_SHIFT)) { - status = -ENOMEM; - new_page = grab_cache_page(mapping, pgpos); - if (!new_page) - goto out; - /* we might sleep */ - if (*bytes>>PAGE_CACHE_SHIFT != pgpos) { - unlock_page(new_page); - page_cache_release(new_page); - continue; - } - zerofrom = *bytes & ~PAGE_CACHE_MASK; - if (zerofrom & (blocksize-1)) { - *bytes |= (blocksize-1); - (*bytes)++; - } - status = __block_prepare_write(inode, new_page, zerofrom, - PAGE_CACHE_SIZE, get_block); - if (status) - goto out_unmap; - zero_user_page(new_page, zerofrom, PAGE_CACHE_SIZE - zerofrom, - KM_USER0); - generic_commit_write(NULL, new_page, zerofrom, PAGE_CACHE_SIZE); - unlock_page(new_page); - page_cache_release(new_page); - } - - if (page->index < pgpos) { - /* completely inside the area */ - zerofrom = offset; - } else { - /* page covers the boundary, find the boundary offset */ - zerofrom = *bytes & ~PAGE_CACHE_MASK; - - /* if we will expand the thing last block will be filled */ - if (to > zerofrom && (zerofrom & (blocksize-1))) { - *bytes |= (blocksize-1); - (*bytes)++; - } + err = cont_expand_zero(file, mapping, pos, bytes); + if (err) + goto out; - /* starting below the boundary? Nothing to zero out */ - if (offset <= zerofrom) - zerofrom = offset; - } - status = __block_prepare_write(inode, page, zerofrom, to, get_block); - if (status) - goto out1; - if (zerofrom < offset) { - zero_user_page(page, zerofrom, offset - zerofrom, KM_USER0); - __block_commit_write(inode, page, zerofrom, offset); + zerofrom = *bytes & ~PAGE_CACHE_MASK; + if (pos+len > *bytes && zerofrom & (blocksize-1)) { + *bytes |= (blocksize-1); + (*bytes)++; } - return 0; -out1: - ClearPageUptodate(page); - return status; -out_unmap: - ClearPageUptodate(new_page); - unlock_page(new_page); - page_cache_release(new_page); + *pagep = NULL; + err = block_write_begin(file, mapping, pos, len, + flags, pagep, fsdata, get_block); out: - return status; + return err; } int block_prepare_write(struct page *page, unsigned from, unsigned to, @@ -2242,81 +2370,129 @@ out_unlock: } /* - * nobh_prepare_write()'s prereads are special: the buffer_heads are freed + * nobh_write_begin()'s prereads are special: the buffer_heads are freed * immediately, while under the page lock. So it needs a special end_io * handler which does not touch the bh after unlocking it. - * - * Note: unlock_buffer() sort-of does touch the bh after unlocking it, but - * a race there is benign: unlock_buffer() only use the bh's address for - * hashing after unlocking the buffer, so it doesn't actually touch the bh - * itself. */ static void end_buffer_read_nobh(struct buffer_head *bh, int uptodate) { - if (uptodate) { - set_buffer_uptodate(bh); - } else { - /* This happens, due to failed READA attempts. */ - clear_buffer_uptodate(bh); - } - unlock_buffer(bh); + __end_buffer_read_notouch(bh, uptodate); +} + +/* + * Attach the singly-linked list of buffers created by nobh_write_begin, to + * the page (converting it to circular linked list and taking care of page + * dirty races). + */ +static void attach_nobh_buffers(struct page *page, struct buffer_head *head) +{ + struct buffer_head *bh; + + BUG_ON(!PageLocked(page)); + + spin_lock(&page->mapping->private_lock); + bh = head; + do { + if (PageDirty(page)) + set_buffer_dirty(bh); + if (!bh->b_this_page) + bh->b_this_page = head; + bh = bh->b_this_page; + } while (bh != head); + attach_page_buffers(page, head); + spin_unlock(&page->mapping->private_lock); } /* * On entry, the page is fully not uptodate. * On exit the page is fully uptodate in the areas outside (from,to) */ -int nobh_prepare_write(struct page *page, unsigned from, unsigned to, +int nobh_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata, get_block_t *get_block) { - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; const unsigned blkbits = inode->i_blkbits; const unsigned blocksize = 1 << blkbits; - struct buffer_head map_bh; - struct buffer_head *read_bh[MAX_BUF_PER_PAGE]; + struct buffer_head *head, *bh; + struct page *page; + pgoff_t index; + unsigned from, to; unsigned block_in_page; - unsigned block_start; + unsigned block_start, block_end; sector_t block_in_file; char *kaddr; int nr_reads = 0; - int i; int ret = 0; int is_mapped_to_disk = 1; + index = pos >> PAGE_CACHE_SHIFT; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; + + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + *fsdata = NULL; + + if (page_has_buffers(page)) { + unlock_page(page); + page_cache_release(page); + *pagep = NULL; + return block_write_begin(file, mapping, pos, len, flags, pagep, + fsdata, get_block); + } + if (PageMappedToDisk(page)) return 0; + /* + * Allocate buffers so that we can keep track of state, and potentially + * attach them to the page if an error occurs. In the common case of + * no error, they will just be freed again without ever being attached + * to the page (which is all OK, because we're under the page lock). + * + * Be careful: the buffer linked list is a NULL terminated one, rather + * than the circular one we're used to. + */ + head = alloc_page_buffers(page, blocksize, 0); + if (!head) { + ret = -ENOMEM; + goto out_release; + } + block_in_file = (sector_t)page->index << (PAGE_CACHE_SHIFT - blkbits); - map_bh.b_page = page; /* * We loop across all blocks in the page, whether or not they are * part of the affected region. This is so we can discover if the * page is fully mapped-to-disk. */ - for (block_start = 0, block_in_page = 0; + for (block_start = 0, block_in_page = 0, bh = head; block_start < PAGE_CACHE_SIZE; - block_in_page++, block_start += blocksize) { - unsigned block_end = block_start + blocksize; + block_in_page++, block_start += blocksize, bh = bh->b_this_page) { int create; - map_bh.b_state = 0; + block_end = block_start + blocksize; + bh->b_state = 0; create = 1; if (block_start >= to) create = 0; - map_bh.b_size = blocksize; ret = get_block(inode, block_in_file + block_in_page, - &map_bh, create); + bh, create); if (ret) goto failed; - if (!buffer_mapped(&map_bh)) + if (!buffer_mapped(bh)) is_mapped_to_disk = 0; - if (buffer_new(&map_bh)) - unmap_underlying_metadata(map_bh.b_bdev, - map_bh.b_blocknr); - if (PageUptodate(page)) + if (buffer_new(bh)) + unmap_underlying_metadata(bh->b_bdev, bh->b_blocknr); + if (PageUptodate(page)) { + set_buffer_uptodate(bh); continue; - if (buffer_new(&map_bh) || !buffer_mapped(&map_bh)) { + } + if (buffer_new(bh) || !buffer_mapped(bh)) { kaddr = kmap_atomic(page, KM_USER0); if (block_start < from) memset(kaddr+block_start, 0, from-block_start); @@ -2326,49 +2502,26 @@ int nobh_prepare_write(struct page *page, unsigned from, unsigned to, kunmap_atomic(kaddr, KM_USER0); continue; } - if (buffer_uptodate(&map_bh)) + if (buffer_uptodate(bh)) continue; /* reiserfs does this */ if (block_start < from || block_end > to) { - struct buffer_head *bh = alloc_buffer_head(GFP_NOFS); - - if (!bh) { - ret = -ENOMEM; - goto failed; - } - bh->b_state = map_bh.b_state; - atomic_set(&bh->b_count, 0); - bh->b_this_page = NULL; - bh->b_page = page; - bh->b_blocknr = map_bh.b_blocknr; - bh->b_size = blocksize; - bh->b_data = (char *)(long)block_start; - bh->b_bdev = map_bh.b_bdev; - bh->b_private = NULL; - read_bh[nr_reads++] = bh; + lock_buffer(bh); + bh->b_end_io = end_buffer_read_nobh; + submit_bh(READ, bh); + nr_reads++; } } if (nr_reads) { - struct buffer_head *bh; - /* * The page is locked, so these buffers are protected from * any VM or truncate activity. Hence we don't need to care * for the buffer_head refcounts. */ - for (i = 0; i < nr_reads; i++) { - bh = read_bh[i]; - lock_buffer(bh); - bh->b_end_io = end_buffer_read_nobh; - submit_bh(READ, bh); - } - for (i = 0; i < nr_reads; i++) { - bh = read_bh[i]; + for (bh = head; bh; bh = bh->b_this_page) { wait_on_buffer(bh); if (!buffer_uptodate(bh)) ret = -EIO; - free_buffer_head(bh); - read_bh[i] = NULL; } if (ret) goto failed; @@ -2377,44 +2530,70 @@ int nobh_prepare_write(struct page *page, unsigned from, unsigned to, if (is_mapped_to_disk) SetPageMappedToDisk(page); + *fsdata = head; /* to be released by nobh_write_end */ + return 0; failed: - for (i = 0; i < nr_reads; i++) { - if (read_bh[i]) - free_buffer_head(read_bh[i]); - } - + BUG_ON(!ret); /* - * Error recovery is pretty slack. Clear the page and mark it dirty - * so we'll later zero out any blocks which _were_ allocated. + * Error recovery is a bit difficult. We need to zero out blocks that + * were newly allocated, and dirty them to ensure they get written out. + * Buffers need to be attached to the page at this point, otherwise + * the handling of potential IO errors during writeout would be hard + * (could try doing synchronous writeout, but what if that fails too?) */ - zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0); - SetPageUptodate(page); - set_page_dirty(page); + attach_nobh_buffers(page, head); + page_zero_new_buffers(page, from, to); + +out_release: + unlock_page(page); + page_cache_release(page); + *pagep = NULL; + + if (pos + len > inode->i_size) + vmtruncate(inode, inode->i_size); + return ret; } -EXPORT_SYMBOL(nobh_prepare_write); +EXPORT_SYMBOL(nobh_write_begin); -/* - * Make sure any changes to nobh_commit_write() are reflected in - * nobh_truncate_page(), since it doesn't call commit_write(). - */ -int nobh_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +int nobh_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { struct inode *inode = page->mapping->host; - loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + struct buffer_head *head = NULL; + struct buffer_head *bh; + + if (!PageMappedToDisk(page)) { + if (unlikely(copied < len) && !page_has_buffers(page)) + attach_nobh_buffers(page, head); + if (page_has_buffers(page)) + return generic_write_end(file, mapping, pos, len, + copied, page, fsdata); + } SetPageUptodate(page); set_page_dirty(page); - if (pos > inode->i_size) { - i_size_write(inode, pos); + if (pos+copied > inode->i_size) { + i_size_write(inode, pos+copied); mark_inode_dirty(inode); } - return 0; + + unlock_page(page); + page_cache_release(page); + + head = fsdata; + while (head) { + bh = head; + head = head->b_this_page; + free_buffer_head(bh); + } + + return copied; } -EXPORT_SYMBOL(nobh_commit_write); +EXPORT_SYMBOL(nobh_write_end); /* * nobh_writepage() - based on block_full_write_page() except @@ -2467,44 +2646,79 @@ out: } EXPORT_SYMBOL(nobh_writepage); -/* - * This function assumes that ->prepare_write() uses nobh_prepare_write(). - */ -int nobh_truncate_page(struct address_space *mapping, loff_t from) +int nobh_truncate_page(struct address_space *mapping, + loff_t from, get_block_t *get_block) { - struct inode *inode = mapping->host; - unsigned blocksize = 1 << inode->i_blkbits; pgoff_t index = from >> PAGE_CACHE_SHIFT; unsigned offset = from & (PAGE_CACHE_SIZE-1); - unsigned to; + unsigned blocksize; + sector_t iblock; + unsigned length, pos; + struct inode *inode = mapping->host; struct page *page; - const struct address_space_operations *a_ops = mapping->a_ops; - int ret = 0; + struct buffer_head map_bh; + int err; - if ((offset & (blocksize - 1)) == 0) - goto out; + blocksize = 1 << inode->i_blkbits; + length = offset & (blocksize - 1); + + /* Block boundary? Nothing to do */ + if (!length) + return 0; + + length = blocksize - length; + iblock = (sector_t)index << (PAGE_CACHE_SHIFT - inode->i_blkbits); - ret = -ENOMEM; page = grab_cache_page(mapping, index); + err = -ENOMEM; if (!page) goto out; - to = (offset + blocksize) & ~(blocksize - 1); - ret = a_ops->prepare_write(NULL, page, offset, to); - if (ret == 0) { - zero_user_page(page, offset, PAGE_CACHE_SIZE - offset, - KM_USER0); - /* - * It would be more correct to call aops->commit_write() - * here, but this is more efficient. - */ - SetPageUptodate(page); - set_page_dirty(page); + if (page_has_buffers(page)) { +has_buffers: + unlock_page(page); + page_cache_release(page); + return block_truncate_page(mapping, from, get_block); } + + /* Find the buffer that contains "offset" */ + pos = blocksize; + while (offset >= pos) { + iblock++; + pos += blocksize; + } + + err = get_block(inode, iblock, &map_bh, 0); + if (err) + goto unlock; + /* unmapped? It's a hole - nothing to do */ + if (!buffer_mapped(&map_bh)) + goto unlock; + + /* Ok, it's mapped. Make sure it's up-to-date */ + if (!PageUptodate(page)) { + err = mapping->a_ops->readpage(NULL, page); + if (err) { + page_cache_release(page); + goto out; + } + lock_page(page); + if (!PageUptodate(page)) { + err = -EIO; + goto unlock; + } + if (page_has_buffers(page)) + goto has_buffers; + } + zero_user_page(page, offset, length, KM_USER0); + set_page_dirty(page); + err = 0; + +unlock: unlock_page(page); page_cache_release(page); out: - return ret; + return err; } EXPORT_SYMBOL(nobh_truncate_page); @@ -2956,7 +3170,8 @@ static void recalc_bh_state(void) struct buffer_head *alloc_buffer_head(gfp_t gfp_flags) { - struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags); + struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, + set_migrateflags(gfp_flags, __GFP_RECLAIMABLE)); if (ret) { INIT_LIST_HEAD(&ret->b_assoc_buffers); get_cpu_var(bh_accounting).nr++; @@ -3024,14 +3239,13 @@ EXPORT_SYMBOL(block_read_full_page); EXPORT_SYMBOL(block_sync_page); EXPORT_SYMBOL(block_truncate_page); EXPORT_SYMBOL(block_write_full_page); -EXPORT_SYMBOL(cont_prepare_write); +EXPORT_SYMBOL(cont_write_begin); EXPORT_SYMBOL(end_buffer_read_sync); EXPORT_SYMBOL(end_buffer_write_sync); EXPORT_SYMBOL(file_fsync); EXPORT_SYMBOL(fsync_bdev); EXPORT_SYMBOL(generic_block_bmap); EXPORT_SYMBOL(generic_commit_write); -EXPORT_SYMBOL(generic_cont_expand); EXPORT_SYMBOL(generic_cont_expand_simple); EXPORT_SYMBOL(init_buffer); EXPORT_SYMBOL(invalidate_bdev); diff --git a/fs/char_dev.c b/fs/char_dev.c index bbbf07baa14..c3bfa76765c 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -545,6 +545,7 @@ static struct kobject *base_probe(dev_t dev, int *part, void *data) void __init chrdev_init(void) { cdev_map = kobj_map_init(base_probe, &chrdevs_lock); + bdi_init(&directly_mappable_cdev_bdi); } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index cabb6a55d7d..ba8f7868cb2 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -704,7 +704,7 @@ const struct file_operations cifs_dir_ops = { }; static void -cifs_init_once(void *inode, struct kmem_cache *cachep, unsigned long flags) +cifs_init_once(struct kmem_cache *cachep, void *inode) { struct cifsInodeInfo *cifsi = inode; diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 342f4e0d582..2f58dfc7008 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -58,7 +58,7 @@ static void coda_destroy_inode(struct inode *inode) kmem_cache_free(coda_inode_cachep, ITOC(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct coda_inode_info *ei = (struct coda_inode_info *) foo; diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 9c3fd07f35e..6dacd39bf04 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -108,7 +108,6 @@ #include <linux/dvb/dmx.h> #include <linux/dvb/frontend.h> #include <linux/dvb/video.h> -#include <linux/lp.h> #ifdef CONFIG_SPARC #include <asm/fbio.h> diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h index 3b0185fdf9a..cca98609aa7 100644 --- a/fs/configfs/configfs_internal.h +++ b/fs/configfs/configfs_internal.h @@ -56,6 +56,8 @@ extern int configfs_is_root(struct config_item *item); extern struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent *); extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *)); +extern int configfs_inode_init(void); +extern void configfs_inode_exit(void); extern int configfs_create_file(struct config_item *, const struct configfs_attribute *); extern int configfs_make_dirent(struct configfs_dirent *, diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 2f436d4f1d6..50ed691098b 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -142,7 +142,7 @@ static int init_dir(struct inode * inode) return 0; } -static int init_file(struct inode * inode) +static int configfs_init_file(struct inode * inode) { inode->i_size = PAGE_SIZE; inode->i_fop = &configfs_file_operations; @@ -283,7 +283,8 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den dentry->d_fsdata = configfs_get(sd); sd->s_dentry = dentry; - error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG, init_file); + error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG, + configfs_init_file); if (error) { configfs_put(sd); return error; diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index ddc003a9d21..4c1ebff778e 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -41,8 +41,8 @@ extern struct super_block * configfs_sb; static const struct address_space_operations configfs_aops = { .readpage = simple_readpage, - .prepare_write = simple_prepare_write, - .commit_write = simple_commit_write + .write_begin = simple_write_begin, + .write_end = simple_write_end, }; static struct backing_dev_info configfs_backing_dev_info = { @@ -256,4 +256,12 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name) mutex_unlock(&dir->d_inode->i_mutex); } +int __init configfs_inode_init(void) +{ + return bdi_init(&configfs_backing_dev_info); +} +void __exit configfs_inode_exit(void) +{ + bdi_destroy(&configfs_backing_dev_info); +} diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c index 871b0cb6183..3bf0278ea84 100644 --- a/fs/configfs/mount.c +++ b/fs/configfs/mount.c @@ -154,8 +154,16 @@ static int __init configfs_init(void) subsystem_unregister(&config_subsys); kmem_cache_destroy(configfs_dir_cachep); configfs_dir_cachep = NULL; + goto out; } + err = configfs_inode_init(); + if (err) { + unregister_filesystem(&configfs_fs_type); + subsystem_unregister(&config_subsys); + kmem_cache_destroy(configfs_dir_cachep); + configfs_dir_cachep = NULL; + } out: return err; } @@ -166,6 +174,7 @@ static void __exit configfs_exit(void) subsystem_unregister(&config_subsys); kmem_cache_destroy(configfs_dir_cachep); configfs_dir_cachep = NULL; + configfs_inode_exit(); } MODULE_AUTHOR("Oracle"); diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 3d194a2be3f..5c817bd0838 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -258,12 +258,21 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent) /* Do sanity checks on the superblock */ if (super.magic != CRAMFS_MAGIC) { + /* check for wrong endianess */ + if (super.magic == CRAMFS_MAGIC_WEND) { + if (!silent) + printk(KERN_ERR "cramfs: wrong endianess\n"); + goto out; + } + /* check at 512 byte offset */ mutex_lock(&read_mutex); memcpy(&super, cramfs_read(sb, 512, sizeof(super)), sizeof(super)); mutex_unlock(&read_mutex); if (super.magic != CRAMFS_MAGIC) { - if (!silent) + if (super.magic == CRAMFS_MAGIC_WEND && !silent) + printk(KERN_ERR "cramfs: wrong endianess\n"); + else if (!silent) printk(KERN_ERR "cramfs: wrong magic\n"); goto out; } diff --git a/fs/dcache.c b/fs/dcache.c index 678d39deb60..5489b2d98a0 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -381,20 +381,17 @@ restart: * Throw away a dentry - free the inode, dput the parent. This requires that * the LRU list has already been removed. * - * If prune_parents is true, try to prune ancestors as well. + * Try to prune ancestors as well. This is necessary to prevent + * quadratic behavior of shrink_dcache_parent(), but is also expected + * to be beneficial in reducing dentry cache fragmentation. * * Called with dcache_lock, drops it and then regains. * Called with dentry->d_lock held, drops it. */ -static void prune_one_dentry(struct dentry * dentry, int prune_parents) +static void prune_one_dentry(struct dentry * dentry) { __d_drop(dentry); dentry = d_kill(dentry); - if (!prune_parents) { - dput(dentry); - spin_lock(&dcache_lock); - return; - } /* * Prune ancestors. Locking is simpler than in dput(), @@ -422,7 +419,6 @@ static void prune_one_dentry(struct dentry * dentry, int prune_parents) * @count: number of entries to try and free * @sb: if given, ignore dentries for other superblocks * which are being unmounted. - * @prune_parents: if true, try to prune ancestors as well in one go * * Shrink the dcache. This is done when we need * more memory, or simply when we need to unmount @@ -433,7 +429,7 @@ static void prune_one_dentry(struct dentry * dentry, int prune_parents) * all the dentries are in use. */ -static void prune_dcache(int count, struct super_block *sb, int prune_parents) +static void prune_dcache(int count, struct super_block *sb) { spin_lock(&dcache_lock); for (; count ; count--) { @@ -493,7 +489,7 @@ static void prune_dcache(int count, struct super_block *sb, int prune_parents) * without taking the s_umount lock (I already hold it). */ if (sb && dentry->d_sb == sb) { - prune_one_dentry(dentry, prune_parents); + prune_one_dentry(dentry); continue; } /* @@ -508,7 +504,7 @@ static void prune_dcache(int count, struct super_block *sb, int prune_parents) s_umount = &dentry->d_sb->s_umount; if (down_read_trylock(s_umount)) { if (dentry->d_sb->s_root != NULL) { - prune_one_dentry(dentry, prune_parents); + prune_one_dentry(dentry); up_read(s_umount); continue; } @@ -557,18 +553,18 @@ void shrink_dcache_sb(struct super_block * sb) * superblock to the most recent end of the unused list. */ spin_lock(&dcache_lock); - list_for_each_safe(tmp, next, &dentry_unused) { + list_for_each_prev_safe(tmp, next, &dentry_unused) { dentry = list_entry(tmp, struct dentry, d_lru); if (dentry->d_sb != sb) continue; - list_move(tmp, &dentry_unused); + list_move_tail(tmp, &dentry_unused); } /* * Pass two ... free the dentries for this superblock. */ repeat: - list_for_each_safe(tmp, next, &dentry_unused) { + list_for_each_prev_safe(tmp, next, &dentry_unused) { dentry = list_entry(tmp, struct dentry, d_lru); if (dentry->d_sb != sb) continue; @@ -579,7 +575,7 @@ repeat: spin_unlock(&dentry->d_lock); continue; } - prune_one_dentry(dentry, 1); + prune_one_dentry(dentry); cond_resched_lock(&dcache_lock); goto repeat; } @@ -858,7 +854,7 @@ void shrink_dcache_parent(struct dentry * parent) int found; while ((found = select_parent(parent)) != 0) - prune_dcache(found, parent->d_sb, 1); + prune_dcache(found, parent->d_sb); } /* @@ -878,7 +874,7 @@ static int shrink_dcache_memory(int nr, gfp_t gfp_mask) if (nr) { if (!(gfp_mask & __GFP_FS)) return -1; - prune_dcache(nr, NULL, 1); + prune_dcache(nr, NULL); } return (dentry_stat.nr_unused / 100) * sysctl_vfs_cache_pressure; } @@ -903,7 +899,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name) struct dentry *dentry; char *dname; - dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL); + dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL); if (!dentry) return NULL; @@ -1514,8 +1510,8 @@ static void switch_names(struct dentry *dentry, struct dentry *target) * This forceful removal will result in ugly /proc output if * somebody holds a file open that got deleted due to a rename. * We could be nicer about the deleted file, and let it show - * up under the name it got deleted rather than the name that - * deleted it. + * up under the name it had before it was deleted rather than + * under the original name of the file that was moved on top of it. */ /* @@ -1546,7 +1542,7 @@ static void d_move_locked(struct dentry * dentry, struct dentry * target) } /* Move the dentry to the target hash queue, if on different bucket */ - if (dentry->d_flags & DCACHE_UNHASHED) + if (d_unhashed(dentry)) goto already_unhashed; hlist_del_rcu(&dentry->d_hash); @@ -2108,7 +2104,7 @@ static void __init dcache_init_early(void) INIT_HLIST_HEAD(&dentry_hashtable[loop]); } -static void __init dcache_init(unsigned long mempages) +static void __init dcache_init(void) { int loop; @@ -2170,10 +2166,10 @@ void __init vfs_caches_init(unsigned long mempages) filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); - dcache_init(mempages); - inode_init(mempages); + dcache_init(); + inode_init(); files_init(mempages); - mnt_init(mempages); + mnt_init(); bdev_cache_init(); chrdev_init(); } diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index a9b99c0dc2e..fa6b7f7ff91 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -227,15 +227,24 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n" DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n"); -/** - * debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value - * debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit value - * debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit value +/* + * debugfs_create_x{8,16,32} - create a debugfs file that is used to read and write an unsigned {8,16,32}-bit value * - * These functions are exactly the same as the above functions, (but use a hex - * output for the decimal challenged) for details look at the above unsigned + * These functions are exactly the same as the above functions (but use a hex + * output for the decimal challenged). For details look at the above unsigned * decimal functions. */ + +/** + * debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value + * @name: a pointer to a string containing the name of the file to create. + * @mode: the permission that the file should have + * @parent: a pointer to the parent dentry for this file. This should be a + * directory dentry if set. If this parameter is %NULL, then the + * file will be created in the root of the debugfs filesystem. + * @value: a pointer to the variable that the file should read to and write + * from. + */ struct dentry *debugfs_create_x8(const char *name, mode_t mode, struct dentry *parent, u8 *value) { @@ -243,6 +252,16 @@ struct dentry *debugfs_create_x8(const char *name, mode_t mode, } EXPORT_SYMBOL_GPL(debugfs_create_x8); +/** + * debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit value + * @name: a pointer to a string containing the name of the file to create. + * @mode: the permission that the file should have + * @parent: a pointer to the parent dentry for this file. This should be a + * directory dentry if set. If this parameter is %NULL, then the + * file will be created in the root of the debugfs filesystem. + * @value: a pointer to the variable that the file should read to and write + * from. + */ struct dentry *debugfs_create_x16(const char *name, mode_t mode, struct dentry *parent, u16 *value) { @@ -250,6 +269,16 @@ struct dentry *debugfs_create_x16(const char *name, mode_t mode, } EXPORT_SYMBOL_GPL(debugfs_create_x16); +/** + * debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit value + * @name: a pointer to a string containing the name of the file to create. + * @mode: the permission that the file should have + * @parent: a pointer to the parent dentry for this file. This should be a + * directory dentry if set. If this parameter is %NULL, then the + * file will be created in the root of the debugfs filesystem. + * @value: a pointer to the variable that the file should read to and write + * from. + */ struct dentry *debugfs_create_x32(const char *name, mode_t mode, struct dentry *parent, u32 *value) { diff --git a/fs/direct-io.c b/fs/direct-io.c index b5928a7b6a5..acf0da1bd25 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -163,7 +163,7 @@ static int dio_refill_pages(struct dio *dio) up_read(¤t->mm->mmap_sem); if (ret < 0 && dio->blocks_available && (dio->rw & WRITE)) { - struct page *page = ZERO_PAGE(dio->curr_user_address); + struct page *page = ZERO_PAGE(0); /* * A memory fault, but the filesystem has some outstanding * mapped blocks. We need to use those blocks up to avoid @@ -763,7 +763,7 @@ static void dio_zero_block(struct dio *dio, int end) this_chunk_bytes = this_chunk_blocks << dio->blkbits; - page = ZERO_PAGE(dio->curr_user_address); + page = ZERO_PAGE(0); if (submit_page_section(dio, page, 0, this_chunk_bytes, dio->next_block_for_io)) return; diff --git a/fs/dlm/Kconfig b/fs/dlm/Kconfig index 54bcc00ec8d..2dbb422e811 100644 --- a/fs/dlm/Kconfig +++ b/fs/dlm/Kconfig @@ -1,8 +1,6 @@ -menu "Distributed Lock Manager" - depends on EXPERIMENTAL && INET - -config DLM +menuconfig DLM tristate "Distributed Lock Manager (DLM)" + depends on EXPERIMENTAL && INET depends on SYSFS && (IPV6 || IPV6=n) select CONFIGFS_FS select IP_SCTP @@ -17,5 +15,3 @@ config DLM_DEBUG Under the debugfs mount point, the name of each lockspace will appear as a file in the "dlm" directory. The output is the list of resource and locks the local node knows about. - -endmenu diff --git a/fs/dquot.c b/fs/dquot.c index de9a29f64ff..2809768d9c4 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -79,6 +79,10 @@ #include <linux/capability.h> #include <linux/quotaops.h> #include <linux/writeback.h> /* for inode_lock, oddly enough.. */ +#ifdef CONFIG_QUOTA_NETLINK_INTERFACE +#include <net/netlink.h> +#include <net/genetlink.h> +#endif #include <asm/uaccess.h> @@ -823,6 +827,7 @@ static inline void dquot_decr_space(struct dquot *dquot, qsize_t number) clear_bit(DQ_BLKS_B, &dquot->dq_flags); } +#ifdef CONFIG_PRINT_QUOTA_WARNING static int flag_print_warnings = 1; static inline int need_print_warning(struct dquot *dquot) @@ -839,22 +844,15 @@ static inline int need_print_warning(struct dquot *dquot) return 0; } -/* Values of warnings */ -#define NOWARN 0 -#define IHARDWARN 1 -#define ISOFTLONGWARN 2 -#define ISOFTWARN 3 -#define BHARDWARN 4 -#define BSOFTLONGWARN 5 -#define BSOFTWARN 6 - /* Print warning to user which exceeded quota */ static void print_warning(struct dquot *dquot, const char warntype) { char *msg = NULL; struct tty_struct *tty; - int flag = (warntype == BHARDWARN || warntype == BSOFTLONGWARN) ? DQ_BLKS_B : - ((warntype == IHARDWARN || warntype == ISOFTLONGWARN) ? DQ_INODES_B : 0); + int flag = (warntype == QUOTA_NL_BHARDWARN || + warntype == QUOTA_NL_BSOFTLONGWARN) ? DQ_BLKS_B : + ((warntype == QUOTA_NL_IHARDWARN || + warntype == QUOTA_NL_ISOFTLONGWARN) ? DQ_INODES_B : 0); if (!need_print_warning(dquot) || (flag && test_and_set_bit(flag, &dquot->dq_flags))) return; @@ -864,28 +862,28 @@ static void print_warning(struct dquot *dquot, const char warntype) if (!tty) goto out_lock; tty_write_message(tty, dquot->dq_sb->s_id); - if (warntype == ISOFTWARN || warntype == BSOFTWARN) + if (warntype == QUOTA_NL_ISOFTWARN || warntype == QUOTA_NL_BSOFTWARN) tty_write_message(tty, ": warning, "); else tty_write_message(tty, ": write failed, "); tty_write_message(tty, quotatypes[dquot->dq_type]); switch (warntype) { - case IHARDWARN: + case QUOTA_NL_IHARDWARN: msg = " file limit reached.\r\n"; break; - case ISOFTLONGWARN: + case QUOTA_NL_ISOFTLONGWARN: msg = " file quota exceeded too long.\r\n"; break; - case ISOFTWARN: + case QUOTA_NL_ISOFTWARN: msg = " file quota exceeded.\r\n"; break; - case BHARDWARN: + case QUOTA_NL_BHARDWARN: msg = " block limit reached.\r\n"; break; - case BSOFTLONGWARN: + case QUOTA_NL_BSOFTLONGWARN: msg = " block quota exceeded too long.\r\n"; break; - case BSOFTWARN: + case QUOTA_NL_BSOFTWARN: msg = " block quota exceeded.\r\n"; break; } @@ -893,14 +891,93 @@ static void print_warning(struct dquot *dquot, const char warntype) out_lock: mutex_unlock(&tty_mutex); } +#endif + +#ifdef CONFIG_QUOTA_NETLINK_INTERFACE + +/* Size of quota netlink message - actually an upperbound for buffer size */ +#define QUOTA_NL_MSG_SIZE 32 + +/* Netlink family structure for quota */ +static struct genl_family quota_genl_family = { + .id = GENL_ID_GENERATE, + .hdrsize = 0, + .name = "VFS_DQUOT", + .version = 1, + .maxattr = QUOTA_NL_A_MAX, +}; + +/* Send warning to userspace about user which exceeded quota */ +static void send_warning(const struct dquot *dquot, const char warntype) +{ + static atomic_t seq; + struct sk_buff *skb; + void *msg_head; + int ret; + + /* We have to allocate using GFP_NOFS as we are called from a + * filesystem performing write and thus further recursion into + * the fs to free some data could cause deadlocks. */ + skb = genlmsg_new(QUOTA_NL_MSG_SIZE, GFP_NOFS); + if (!skb) { + printk(KERN_ERR + "VFS: Not enough memory to send quota warning.\n"); + return; + } + msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq), + "a_genl_family, 0, QUOTA_NL_C_WARNING); + if (!msg_head) { + printk(KERN_ERR + "VFS: Cannot store netlink header in quota warning.\n"); + goto err_out; + } + ret = nla_put_u32(skb, QUOTA_NL_A_QTYPE, dquot->dq_type); + if (ret) + goto attr_err_out; + ret = nla_put_u64(skb, QUOTA_NL_A_EXCESS_ID, dquot->dq_id); + if (ret) + goto attr_err_out; + ret = nla_put_u32(skb, QUOTA_NL_A_WARNING, warntype); + if (ret) + goto attr_err_out; + ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MAJOR, + MAJOR(dquot->dq_sb->s_dev)); + if (ret) + goto attr_err_out; + ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MINOR, + MINOR(dquot->dq_sb->s_dev)); + if (ret) + goto attr_err_out; + ret = nla_put_u64(skb, QUOTA_NL_A_CAUSED_ID, current->user->uid); + if (ret) + goto attr_err_out; + genlmsg_end(skb, msg_head); + + ret = genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS); + if (ret < 0 && ret != -ESRCH) + printk(KERN_ERR + "VFS: Failed to send notification message: %d\n", ret); + return; +attr_err_out: + printk(KERN_ERR "VFS: Failed to compose quota message: %d\n", ret); +err_out: + kfree_skb(skb); +} +#endif static inline void flush_warnings(struct dquot **dquots, char *warntype) { int i; for (i = 0; i < MAXQUOTAS; i++) - if (dquots[i] != NODQUOT && warntype[i] != NOWARN) + if (dquots[i] != NODQUOT && warntype[i] != QUOTA_NL_NOWARN) { +#ifdef CONFIG_PRINT_QUOTA_WARNING print_warning(dquots[i], warntype[i]); +#endif +#ifdef CONFIG_QUOTA_NETLINK_INTERFACE + send_warning(dquots[i], warntype[i]); +#endif + } } static inline char ignore_hardlimit(struct dquot *dquot) @@ -914,14 +991,14 @@ static inline char ignore_hardlimit(struct dquot *dquot) /* needs dq_data_lock */ static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) { - *warntype = NOWARN; + *warntype = QUOTA_NL_NOWARN; if (inodes <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_ihardlimit && (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_ihardlimit && !ignore_hardlimit(dquot)) { - *warntype = IHARDWARN; + *warntype = QUOTA_NL_IHARDWARN; return NO_QUOTA; } @@ -929,14 +1006,14 @@ static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_isoftlimit && dquot->dq_dqb.dqb_itime && get_seconds() >= dquot->dq_dqb.dqb_itime && !ignore_hardlimit(dquot)) { - *warntype = ISOFTLONGWARN; + *warntype = QUOTA_NL_ISOFTLONGWARN; return NO_QUOTA; } if (dquot->dq_dqb.dqb_isoftlimit && (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_isoftlimit && dquot->dq_dqb.dqb_itime == 0) { - *warntype = ISOFTWARN; + *warntype = QUOTA_NL_ISOFTWARN; dquot->dq_dqb.dqb_itime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace; } @@ -946,7 +1023,7 @@ static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) /* needs dq_data_lock */ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype) { - *warntype = 0; + *warntype = QUOTA_NL_NOWARN; if (space <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; @@ -954,7 +1031,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bhardlimit && !ignore_hardlimit(dquot)) { if (!prealloc) - *warntype = BHARDWARN; + *warntype = QUOTA_NL_BHARDWARN; return NO_QUOTA; } @@ -963,7 +1040,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war dquot->dq_dqb.dqb_btime && get_seconds() >= dquot->dq_dqb.dqb_btime && !ignore_hardlimit(dquot)) { if (!prealloc) - *warntype = BSOFTLONGWARN; + *warntype = QUOTA_NL_BSOFTLONGWARN; return NO_QUOTA; } @@ -971,7 +1048,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit && dquot->dq_dqb.dqb_btime == 0) { if (!prealloc) { - *warntype = BSOFTWARN; + *warntype = QUOTA_NL_BSOFTWARN; dquot->dq_dqb.dqb_btime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_bgrace; } else @@ -1066,7 +1143,7 @@ out_add: return QUOTA_OK; } for (cnt = 0; cnt < MAXQUOTAS; cnt++) - warntype[cnt] = NOWARN; + warntype[cnt] = QUOTA_NL_NOWARN; down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); if (IS_NOQUOTA(inode)) { /* Now we can do reliable test... */ @@ -1112,7 +1189,7 @@ int dquot_alloc_inode(const struct inode *inode, unsigned long number) if (IS_NOQUOTA(inode)) return QUOTA_OK; for (cnt = 0; cnt < MAXQUOTAS; cnt++) - warntype[cnt] = NOWARN; + warntype[cnt] = QUOTA_NL_NOWARN; down_read(&sb_dqopt(inode->i_sb)->dqptr_sem); if (IS_NOQUOTA(inode)) { up_read(&sb_dqopt(inode->i_sb)->dqptr_sem); @@ -1234,7 +1311,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr) /* Clear the arrays */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { transfer_to[cnt] = transfer_from[cnt] = NODQUOT; - warntype[cnt] = NOWARN; + warntype[cnt] = QUOTA_NL_NOWARN; } down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); /* Now recheck reliably when holding dqptr_sem */ @@ -1808,6 +1885,7 @@ static ctl_table fs_dqstats_table[] = { .mode = 0444, .proc_handler = &proc_dointvec, }, +#ifdef CONFIG_PRINT_QUOTA_WARNING { .ctl_name = FS_DQ_WARNINGS, .procname = "warnings", @@ -1816,6 +1894,7 @@ static ctl_table fs_dqstats_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, +#endif { .ctl_name = 0 }, }; @@ -1877,6 +1956,11 @@ static int __init dquot_init(void) register_shrinker(&dqcache_shrinker); +#ifdef CONFIG_QUOTA_NETLINK_INTERFACE + if (genl_register_family("a_genl_family) != 0) + printk(KERN_ERR "VFS: Failed to create quota netlink interface.\n"); +#endif + return 0; } module_init(dquot_init); diff --git a/fs/ecryptfs/Makefile b/fs/ecryptfs/Makefile index 1f1107237ea..76885701551 100644 --- a/fs/ecryptfs/Makefile +++ b/fs/ecryptfs/Makefile @@ -4,4 +4,4 @@ obj-$(CONFIG_ECRYPT_FS) += ecryptfs.o -ecryptfs-objs := dentry.o file.o inode.o main.o super.o mmap.o crypto.o keystore.o messaging.o netlink.o debug.o +ecryptfs-objs := dentry.o file.o inode.o main.o super.o mmap.o read_write.o crypto.o keystore.o messaging.o netlink.o debug.o diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 6ac630625b7..1ae90ef2c74 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -123,9 +123,9 @@ out: return rc; } -int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, - char *cipher_name, - char *chaining_modifier) +static int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, + char *cipher_name, + char *chaining_modifier) { int cipher_name_len = strlen(cipher_name); int chaining_modifier_len = strlen(chaining_modifier); @@ -149,7 +149,7 @@ out: * ecryptfs_derive_iv * @iv: destination for the derived iv vale * @crypt_stat: Pointer to crypt_stat struct for the current inode - * @offset: Offset of the page whose's iv we are to derive + * @offset: Offset of the extent whose IV we are to derive * * Generate the initialization vector from the given root IV and page * offset. @@ -157,7 +157,7 @@ out: * Returns zero on success; non-zero on error. */ static int ecryptfs_derive_iv(char *iv, struct ecryptfs_crypt_stat *crypt_stat, - pgoff_t offset) + loff_t offset) { int rc = 0; char dst[MD5_DIGEST_SIZE]; @@ -173,7 +173,7 @@ static int ecryptfs_derive_iv(char *iv, struct ecryptfs_crypt_stat *crypt_stat, * hashing business. -Halcrow */ memcpy(src, crypt_stat->root_iv, crypt_stat->iv_bytes); memset((src + crypt_stat->iv_bytes), 0, 16); - snprintf((src + crypt_stat->iv_bytes), 16, "%ld", offset); + snprintf((src + crypt_stat->iv_bytes), 16, "%lld", offset); if (unlikely(ecryptfs_verbosity > 0)) { ecryptfs_printk(KERN_DEBUG, "source:\n"); ecryptfs_dump_hex(src, (crypt_stat->iv_bytes + 16)); @@ -204,6 +204,8 @@ void ecryptfs_init_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat) { memset((void *)crypt_stat, 0, sizeof(struct ecryptfs_crypt_stat)); + INIT_LIST_HEAD(&crypt_stat->keysig_list); + mutex_init(&crypt_stat->keysig_list_mutex); mutex_init(&crypt_stat->cs_mutex); mutex_init(&crypt_stat->cs_tfm_mutex); mutex_init(&crypt_stat->cs_hash_tfm_mutex); @@ -211,27 +213,48 @@ ecryptfs_init_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat) } /** - * ecryptfs_destruct_crypt_stat + * ecryptfs_destroy_crypt_stat * @crypt_stat: Pointer to the crypt_stat struct to initialize. * * Releases all memory associated with a crypt_stat struct. */ -void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat) +void ecryptfs_destroy_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat) { + struct ecryptfs_key_sig *key_sig, *key_sig_tmp; + if (crypt_stat->tfm) crypto_free_blkcipher(crypt_stat->tfm); if (crypt_stat->hash_tfm) crypto_free_hash(crypt_stat->hash_tfm); + mutex_lock(&crypt_stat->keysig_list_mutex); + list_for_each_entry_safe(key_sig, key_sig_tmp, + &crypt_stat->keysig_list, crypt_stat_list) { + list_del(&key_sig->crypt_stat_list); + kmem_cache_free(ecryptfs_key_sig_cache, key_sig); + } + mutex_unlock(&crypt_stat->keysig_list_mutex); memset(crypt_stat, 0, sizeof(struct ecryptfs_crypt_stat)); } -void ecryptfs_destruct_mount_crypt_stat( +void ecryptfs_destroy_mount_crypt_stat( struct ecryptfs_mount_crypt_stat *mount_crypt_stat) { - if (mount_crypt_stat->global_auth_tok_key) - key_put(mount_crypt_stat->global_auth_tok_key); - if (mount_crypt_stat->global_key_tfm) - crypto_free_blkcipher(mount_crypt_stat->global_key_tfm); + struct ecryptfs_global_auth_tok *auth_tok, *auth_tok_tmp; + + if (!(mount_crypt_stat->flags & ECRYPTFS_MOUNT_CRYPT_STAT_INITIALIZED)) + return; + mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex); + list_for_each_entry_safe(auth_tok, auth_tok_tmp, + &mount_crypt_stat->global_auth_tok_list, + mount_crypt_stat_list) { + list_del(&auth_tok->mount_crypt_stat_list); + mount_crypt_stat->num_global_auth_toks--; + if (auth_tok->global_auth_tok_key + && !(auth_tok->flags & ECRYPTFS_AUTH_TOK_INVALID)) + key_put(auth_tok->global_auth_tok_key); + kmem_cache_free(ecryptfs_global_auth_tok_cache, auth_tok); + } + mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex); memset(mount_crypt_stat, 0, sizeof(struct ecryptfs_mount_crypt_stat)); } @@ -330,114 +353,82 @@ out: return rc; } -static void -ecryptfs_extent_to_lwr_pg_idx_and_offset(unsigned long *lower_page_idx, - int *byte_offset, - struct ecryptfs_crypt_stat *crypt_stat, - unsigned long extent_num) +/** + * ecryptfs_lower_offset_for_extent + * + * Convert an eCryptfs page index into a lower byte offset + */ +void ecryptfs_lower_offset_for_extent(loff_t *offset, loff_t extent_num, + struct ecryptfs_crypt_stat *crypt_stat) { - unsigned long lower_extent_num; - int extents_occupied_by_headers_at_front; - int bytes_occupied_by_headers_at_front; - int extent_offset; - int extents_per_page; - - bytes_occupied_by_headers_at_front = - ( crypt_stat->header_extent_size - * crypt_stat->num_header_extents_at_front ); - extents_occupied_by_headers_at_front = - ( bytes_occupied_by_headers_at_front - / crypt_stat->extent_size ); - lower_extent_num = extents_occupied_by_headers_at_front + extent_num; - extents_per_page = PAGE_CACHE_SIZE / crypt_stat->extent_size; - (*lower_page_idx) = lower_extent_num / extents_per_page; - extent_offset = lower_extent_num % extents_per_page; - (*byte_offset) = extent_offset * crypt_stat->extent_size; - ecryptfs_printk(KERN_DEBUG, " * crypt_stat->header_extent_size = " - "[%d]\n", crypt_stat->header_extent_size); - ecryptfs_printk(KERN_DEBUG, " * crypt_stat->" - "num_header_extents_at_front = [%d]\n", - crypt_stat->num_header_extents_at_front); - ecryptfs_printk(KERN_DEBUG, " * extents_occupied_by_headers_at_" - "front = [%d]\n", extents_occupied_by_headers_at_front); - ecryptfs_printk(KERN_DEBUG, " * lower_extent_num = [0x%.16x]\n", - lower_extent_num); - ecryptfs_printk(KERN_DEBUG, " * extents_per_page = [%d]\n", - extents_per_page); - ecryptfs_printk(KERN_DEBUG, " * (*lower_page_idx) = [0x%.16x]\n", - (*lower_page_idx)); - ecryptfs_printk(KERN_DEBUG, " * extent_offset = [%d]\n", - extent_offset); - ecryptfs_printk(KERN_DEBUG, " * (*byte_offset) = [%d]\n", - (*byte_offset)); + (*offset) = ((crypt_stat->extent_size + * crypt_stat->num_header_extents_at_front) + + (crypt_stat->extent_size * extent_num)); } -static int ecryptfs_write_out_page(struct ecryptfs_page_crypt_context *ctx, - struct page *lower_page, - struct inode *lower_inode, - int byte_offset_in_page, int bytes_to_write) +/** + * ecryptfs_encrypt_extent + * @enc_extent_page: Allocated page into which to encrypt the data in + * @page + * @crypt_stat: crypt_stat containing cryptographic context for the + * encryption operation + * @page: Page containing plaintext data extent to encrypt + * @extent_offset: Page extent offset for use in generating IV + * + * Encrypts one extent of data. + * + * Return zero on success; non-zero otherwise + */ +static int ecryptfs_encrypt_extent(struct page *enc_extent_page, + struct ecryptfs_crypt_stat *crypt_stat, + struct page *page, + unsigned long extent_offset) { - int rc = 0; + loff_t extent_base; + char extent_iv[ECRYPTFS_MAX_IV_BYTES]; + int rc; - if (ctx->mode == ECRYPTFS_PREPARE_COMMIT_MODE) { - rc = ecryptfs_commit_lower_page(lower_page, lower_inode, - ctx->param.lower_file, - byte_offset_in_page, - bytes_to_write); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error calling lower " - "commit; rc = [%d]\n", rc); - goto out; - } - } else { - rc = ecryptfs_writepage_and_release_lower_page(lower_page, - lower_inode, - ctx->param.wbc); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error calling lower " - "writepage(); rc = [%d]\n", rc); - goto out; - } + extent_base = (((loff_t)page->index) + * (PAGE_CACHE_SIZE / crypt_stat->extent_size)); + rc = ecryptfs_derive_iv(extent_iv, crypt_stat, + (extent_base + extent_offset)); + if (rc) { + ecryptfs_printk(KERN_ERR, "Error attempting to " + "derive IV for extent [0x%.16x]; " + "rc = [%d]\n", (extent_base + extent_offset), + rc); + goto out; } -out: - return rc; -} - -static int ecryptfs_read_in_page(struct ecryptfs_page_crypt_context *ctx, - struct page **lower_page, - struct inode *lower_inode, - unsigned long lower_page_idx, - int byte_offset_in_page) -{ - int rc = 0; - - if (ctx->mode == ECRYPTFS_PREPARE_COMMIT_MODE) { - /* TODO: Limit this to only the data extents that are - * needed */ - rc = ecryptfs_get_lower_page(lower_page, lower_inode, - ctx->param.lower_file, - lower_page_idx, - byte_offset_in_page, - (PAGE_CACHE_SIZE - - byte_offset_in_page)); - if (rc) { - ecryptfs_printk( - KERN_ERR, "Error attempting to grab, map, " - "and prepare_write lower page with index " - "[0x%.16x]; rc = [%d]\n", lower_page_idx, rc); - goto out; - } - } else { - *lower_page = grab_cache_page(lower_inode->i_mapping, - lower_page_idx); - if (!(*lower_page)) { - rc = -EINVAL; - ecryptfs_printk( - KERN_ERR, "Error attempting to grab and map " - "lower page with index [0x%.16x]; rc = [%d]\n", - lower_page_idx, rc); - goto out; - } + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk(KERN_DEBUG, "Encrypting extent " + "with iv:\n"); + ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); + ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " + "encryption:\n"); + ecryptfs_dump_hex((char *) + (page_address(page) + + (extent_offset * crypt_stat->extent_size)), + 8); + } + rc = ecryptfs_encrypt_page_offset(crypt_stat, enc_extent_page, 0, + page, (extent_offset + * crypt_stat->extent_size), + crypt_stat->extent_size, extent_iv); + if (rc < 0) { + printk(KERN_ERR "%s: Error attempting to encrypt page with " + "page->index = [%ld], extent_offset = [%ld]; " + "rc = [%d]\n", __FUNCTION__, page->index, extent_offset, + rc); + goto out; + } + rc = 0; + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk(KERN_DEBUG, "Encrypt extent [0x%.16x]; " + "rc = [%d]\n", (extent_base + extent_offset), + rc); + ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " + "encryption:\n"); + ecryptfs_dump_hex((char *)(page_address(enc_extent_page)), 8); } out: return rc; @@ -445,7 +436,9 @@ out: /** * ecryptfs_encrypt_page - * @ctx: The context of the page + * @page: Page mapped from the eCryptfs inode for the file; contains + * decrypted content that needs to be encrypted (to a temporary + * page; not in place) and written out to the lower file * * Encrypt an eCryptfs page. This is done on a per-extent basis. Note * that eCryptfs pages may straddle the lower pages -- for instance, @@ -455,128 +448,122 @@ out: * file, 24K of page 0 of the lower file will be read and decrypted, * and then 8K of page 1 of the lower file will be read and decrypted. * - * The actual operations performed on each page depends on the - * contents of the ecryptfs_page_crypt_context struct. - * * Returns zero on success; negative on error */ -int ecryptfs_encrypt_page(struct ecryptfs_page_crypt_context *ctx) +int ecryptfs_encrypt_page(struct page *page) { - char extent_iv[ECRYPTFS_MAX_IV_BYTES]; - unsigned long base_extent; - unsigned long extent_offset = 0; - unsigned long lower_page_idx = 0; - unsigned long prior_lower_page_idx = 0; - struct page *lower_page; - struct inode *lower_inode; - struct ecryptfs_inode_info *inode_info; + struct inode *ecryptfs_inode; struct ecryptfs_crypt_stat *crypt_stat; + char *enc_extent_virt = NULL; + struct page *enc_extent_page; + loff_t extent_offset; int rc = 0; - int lower_byte_offset = 0; - int orig_byte_offset = 0; - int num_extents_per_page; -#define ECRYPTFS_PAGE_STATE_UNREAD 0 -#define ECRYPTFS_PAGE_STATE_READ 1 -#define ECRYPTFS_PAGE_STATE_MODIFIED 2 -#define ECRYPTFS_PAGE_STATE_WRITTEN 3 - int page_state; - - lower_inode = ecryptfs_inode_to_lower(ctx->page->mapping->host); - inode_info = ecryptfs_inode_to_private(ctx->page->mapping->host); - crypt_stat = &inode_info->crypt_stat; + + ecryptfs_inode = page->mapping->host; + crypt_stat = + &(ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat); if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { - rc = ecryptfs_copy_page_to_lower(ctx->page, lower_inode, - ctx->param.lower_file); + rc = ecryptfs_write_lower_page_segment(ecryptfs_inode, page, + 0, PAGE_CACHE_SIZE); if (rc) - ecryptfs_printk(KERN_ERR, "Error attempting to copy " - "page at index [0x%.16x]\n", - ctx->page->index); + printk(KERN_ERR "%s: Error attempting to copy " + "page at index [%ld]\n", __FUNCTION__, + page->index); goto out; } - num_extents_per_page = PAGE_CACHE_SIZE / crypt_stat->extent_size; - base_extent = (ctx->page->index * num_extents_per_page); - page_state = ECRYPTFS_PAGE_STATE_UNREAD; - while (extent_offset < num_extents_per_page) { - ecryptfs_extent_to_lwr_pg_idx_and_offset( - &lower_page_idx, &lower_byte_offset, crypt_stat, - (base_extent + extent_offset)); - if (prior_lower_page_idx != lower_page_idx - && page_state == ECRYPTFS_PAGE_STATE_MODIFIED) { - rc = ecryptfs_write_out_page(ctx, lower_page, - lower_inode, - orig_byte_offset, - (PAGE_CACHE_SIZE - - orig_byte_offset)); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting " - "to write out page; rc = [%d]" - "\n", rc); - goto out; - } - page_state = ECRYPTFS_PAGE_STATE_WRITTEN; - } - if (page_state == ECRYPTFS_PAGE_STATE_UNREAD - || page_state == ECRYPTFS_PAGE_STATE_WRITTEN) { - rc = ecryptfs_read_in_page(ctx, &lower_page, - lower_inode, lower_page_idx, - lower_byte_offset); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting " - "to read in lower page with " - "index [0x%.16x]; rc = [%d]\n", - lower_page_idx, rc); - goto out; - } - orig_byte_offset = lower_byte_offset; - prior_lower_page_idx = lower_page_idx; - page_state = ECRYPTFS_PAGE_STATE_READ; - } - BUG_ON(!(page_state == ECRYPTFS_PAGE_STATE_MODIFIED - || page_state == ECRYPTFS_PAGE_STATE_READ)); - rc = ecryptfs_derive_iv(extent_iv, crypt_stat, - (base_extent + extent_offset)); + enc_extent_virt = kmalloc(PAGE_CACHE_SIZE, GFP_USER); + if (!enc_extent_virt) { + rc = -ENOMEM; + ecryptfs_printk(KERN_ERR, "Error allocating memory for " + "encrypted extent\n"); + goto out; + } + enc_extent_page = virt_to_page(enc_extent_virt); + for (extent_offset = 0; + extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size); + extent_offset++) { + loff_t offset; + + rc = ecryptfs_encrypt_extent(enc_extent_page, crypt_stat, page, + extent_offset); if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting to " - "derive IV for extent [0x%.16x]; " - "rc = [%d]\n", - (base_extent + extent_offset), rc); + printk(KERN_ERR "%s: Error encrypting extent; " + "rc = [%d]\n", __FUNCTION__, rc); goto out; } - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Encrypting extent " - "with iv:\n"); - ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " - "encryption:\n"); - ecryptfs_dump_hex((char *) - (page_address(ctx->page) - + (extent_offset - * crypt_stat->extent_size)), 8); - } - rc = ecryptfs_encrypt_page_offset( - crypt_stat, lower_page, lower_byte_offset, ctx->page, - (extent_offset * crypt_stat->extent_size), - crypt_stat->extent_size, extent_iv); - ecryptfs_printk(KERN_DEBUG, "Encrypt extent [0x%.16x]; " - "rc = [%d]\n", - (base_extent + extent_offset), rc); - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " - "encryption:\n"); - ecryptfs_dump_hex((char *)(page_address(lower_page) - + lower_byte_offset), 8); + ecryptfs_lower_offset_for_extent( + &offset, ((((loff_t)page->index) + * (PAGE_CACHE_SIZE + / crypt_stat->extent_size)) + + extent_offset), crypt_stat); + rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, + offset, crypt_stat->extent_size); + if (rc) { + ecryptfs_printk(KERN_ERR, "Error attempting " + "to write lower page; rc = [%d]" + "\n", rc); + goto out; } - page_state = ECRYPTFS_PAGE_STATE_MODIFIED; extent_offset++; } - BUG_ON(orig_byte_offset != 0); - rc = ecryptfs_write_out_page(ctx, lower_page, lower_inode, 0, - (lower_byte_offset - + crypt_stat->extent_size)); +out: + kfree(enc_extent_virt); + return rc; +} + +static int ecryptfs_decrypt_extent(struct page *page, + struct ecryptfs_crypt_stat *crypt_stat, + struct page *enc_extent_page, + unsigned long extent_offset) +{ + loff_t extent_base; + char extent_iv[ECRYPTFS_MAX_IV_BYTES]; + int rc; + + extent_base = (((loff_t)page->index) + * (PAGE_CACHE_SIZE / crypt_stat->extent_size)); + rc = ecryptfs_derive_iv(extent_iv, crypt_stat, + (extent_base + extent_offset)); if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting to write out " - "page; rc = [%d]\n", rc); - goto out; + ecryptfs_printk(KERN_ERR, "Error attempting to " + "derive IV for extent [0x%.16x]; " + "rc = [%d]\n", (extent_base + extent_offset), + rc); + goto out; + } + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk(KERN_DEBUG, "Decrypting extent " + "with iv:\n"); + ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); + ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " + "decryption:\n"); + ecryptfs_dump_hex((char *) + (page_address(enc_extent_page) + + (extent_offset * crypt_stat->extent_size)), + 8); + } + rc = ecryptfs_decrypt_page_offset(crypt_stat, page, + (extent_offset + * crypt_stat->extent_size), + enc_extent_page, 0, + crypt_stat->extent_size, extent_iv); + if (rc < 0) { + printk(KERN_ERR "%s: Error attempting to decrypt to page with " + "page->index = [%ld], extent_offset = [%ld]; " + "rc = [%d]\n", __FUNCTION__, page->index, extent_offset, + rc); + goto out; + } + rc = 0; + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk(KERN_DEBUG, "Decrypt extent [0x%.16x]; " + "rc = [%d]\n", (extent_base + extent_offset), + rc); + ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " + "decryption:\n"); + ecryptfs_dump_hex((char *)(page_address(page) + + (extent_offset + * crypt_stat->extent_size)), 8); } out: return rc; @@ -584,8 +571,9 @@ out: /** * ecryptfs_decrypt_page - * @file: The ecryptfs file - * @page: The page in ecryptfs to decrypt + * @page: Page mapped from the eCryptfs inode for the file; data read + * and decrypted from the lower file will be written into this + * page * * Decrypt an eCryptfs page. This is done on a per-extent basis. Note * that eCryptfs pages may straddle the lower pages -- for instance, @@ -597,108 +585,75 @@ out: * * Returns zero on success; negative on error */ -int ecryptfs_decrypt_page(struct file *file, struct page *page) +int ecryptfs_decrypt_page(struct page *page) { - char extent_iv[ECRYPTFS_MAX_IV_BYTES]; - unsigned long base_extent; - unsigned long extent_offset = 0; - unsigned long lower_page_idx = 0; - unsigned long prior_lower_page_idx = 0; - struct page *lower_page; - char *lower_page_virt = NULL; - struct inode *lower_inode; + struct inode *ecryptfs_inode; struct ecryptfs_crypt_stat *crypt_stat; + char *enc_extent_virt = NULL; + struct page *enc_extent_page; + unsigned long extent_offset; int rc = 0; - int byte_offset; - int num_extents_per_page; - int page_state; - crypt_stat = &(ecryptfs_inode_to_private( - page->mapping->host)->crypt_stat); - lower_inode = ecryptfs_inode_to_lower(page->mapping->host); + ecryptfs_inode = page->mapping->host; + crypt_stat = + &(ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat); if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { - rc = ecryptfs_do_readpage(file, page, page->index); + rc = ecryptfs_read_lower_page_segment(page, page->index, 0, + PAGE_CACHE_SIZE, + ecryptfs_inode); if (rc) - ecryptfs_printk(KERN_ERR, "Error attempting to copy " - "page at index [0x%.16x]\n", - page->index); + printk(KERN_ERR "%s: Error attempting to copy " + "page at index [%ld]\n", __FUNCTION__, + page->index); goto out; } - num_extents_per_page = PAGE_CACHE_SIZE / crypt_stat->extent_size; - base_extent = (page->index * num_extents_per_page); - lower_page_virt = kmem_cache_alloc(ecryptfs_lower_page_cache, - GFP_KERNEL); - if (!lower_page_virt) { + enc_extent_virt = kmalloc(PAGE_CACHE_SIZE, GFP_USER); + if (!enc_extent_virt) { rc = -ENOMEM; - ecryptfs_printk(KERN_ERR, "Error getting page for encrypted " - "lower page(s)\n"); + ecryptfs_printk(KERN_ERR, "Error allocating memory for " + "encrypted extent\n"); goto out; } - lower_page = virt_to_page(lower_page_virt); - page_state = ECRYPTFS_PAGE_STATE_UNREAD; - while (extent_offset < num_extents_per_page) { - ecryptfs_extent_to_lwr_pg_idx_and_offset( - &lower_page_idx, &byte_offset, crypt_stat, - (base_extent + extent_offset)); - if (prior_lower_page_idx != lower_page_idx - || page_state == ECRYPTFS_PAGE_STATE_UNREAD) { - rc = ecryptfs_do_readpage(file, lower_page, - lower_page_idx); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error reading " - "lower encrypted page; rc = " - "[%d]\n", rc); - goto out; - } - prior_lower_page_idx = lower_page_idx; - page_state = ECRYPTFS_PAGE_STATE_READ; - } - rc = ecryptfs_derive_iv(extent_iv, crypt_stat, - (base_extent + extent_offset)); + enc_extent_page = virt_to_page(enc_extent_virt); + for (extent_offset = 0; + extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size); + extent_offset++) { + loff_t offset; + + ecryptfs_lower_offset_for_extent( + &offset, ((page->index * (PAGE_CACHE_SIZE + / crypt_stat->extent_size)) + + extent_offset), crypt_stat); + rc = ecryptfs_read_lower(enc_extent_virt, offset, + crypt_stat->extent_size, + ecryptfs_inode); if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting to " - "derive IV for extent [0x%.16x]; rc = " - "[%d]\n", - (base_extent + extent_offset), rc); + ecryptfs_printk(KERN_ERR, "Error attempting " + "to read lower page; rc = [%d]" + "\n", rc); goto out; } - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Decrypting extent " - "with iv:\n"); - ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " - "decryption:\n"); - ecryptfs_dump_hex((lower_page_virt + byte_offset), 8); - } - rc = ecryptfs_decrypt_page_offset(crypt_stat, page, - (extent_offset - * crypt_stat->extent_size), - lower_page, byte_offset, - crypt_stat->extent_size, - extent_iv); - if (rc != crypt_stat->extent_size) { - ecryptfs_printk(KERN_ERR, "Error attempting to " - "decrypt extent [0x%.16x]\n", - (base_extent + extent_offset)); + rc = ecryptfs_decrypt_extent(page, crypt_stat, enc_extent_page, + extent_offset); + if (rc) { + printk(KERN_ERR "%s: Error encrypting extent; " + "rc = [%d]\n", __FUNCTION__, rc); goto out; } - rc = 0; - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " - "decryption:\n"); - ecryptfs_dump_hex((char *)(page_address(page) - + byte_offset), 8); - } extent_offset++; } out: - if (lower_page_virt) - kmem_cache_free(ecryptfs_lower_page_cache, lower_page_virt); + kfree(enc_extent_virt); return rc; } /** * decrypt_scatterlist + * @crypt_stat: Cryptographic context + * @dest_sg: The destination scatterlist to decrypt into + * @src_sg: The source scatterlist to decrypt from + * @size: The number of bytes to decrypt + * @iv: The initialization vector to use for the decryption * * Returns the number of bytes decrypted; negative value on error */ @@ -740,6 +695,13 @@ out: /** * ecryptfs_encrypt_page_offset + * @crypt_stat: The cryptographic context + * @dst_page: The page to encrypt into + * @dst_offset: The offset in the page to encrypt into + * @src_page: The page to encrypt from + * @src_offset: The offset in the page to encrypt from + * @size: The number of bytes to encrypt + * @iv: The initialization vector to use for the encryption * * Returns the number of bytes encrypted */ @@ -762,6 +724,13 @@ ecryptfs_encrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat, /** * ecryptfs_decrypt_page_offset + * @crypt_stat: The cryptographic context + * @dst_page: The page to decrypt into + * @dst_offset: The offset in the page to decrypt into + * @src_page: The page to decrypt from + * @src_offset: The offset in the page to decrypt from + * @size: The number of bytes to decrypt + * @iv: The initialization vector to use for the decryption * * Returns the number of bytes decrypted */ @@ -857,15 +826,17 @@ void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat) crypt_stat->extent_size = ECRYPTFS_DEFAULT_EXTENT_SIZE; set_extent_mask_and_shift(crypt_stat); crypt_stat->iv_bytes = ECRYPTFS_DEFAULT_IV_BYTES; - if (PAGE_CACHE_SIZE <= ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE) { - crypt_stat->header_extent_size = - ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE; - } else - crypt_stat->header_extent_size = PAGE_CACHE_SIZE; if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) crypt_stat->num_header_extents_at_front = 0; - else - crypt_stat->num_header_extents_at_front = 1; + else { + if (PAGE_CACHE_SIZE <= ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE) + crypt_stat->num_header_extents_at_front = + (ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE + / crypt_stat->extent_size); + else + crypt_stat->num_header_extents_at_front = + (PAGE_CACHE_SIZE / crypt_stat->extent_size); + } } /** @@ -917,6 +888,8 @@ static void ecryptfs_generate_new_key(struct ecryptfs_crypt_stat *crypt_stat) /** * ecryptfs_copy_mount_wide_flags_to_inode_flags + * @crypt_stat: The inode's cryptographic context + * @mount_crypt_stat: The mount point's cryptographic context * * This function propagates the mount-wide flags to individual inode * flags. @@ -931,9 +904,34 @@ static void ecryptfs_copy_mount_wide_flags_to_inode_flags( crypt_stat->flags |= ECRYPTFS_VIEW_AS_ENCRYPTED; } +static int ecryptfs_copy_mount_wide_sigs_to_inode_sigs( + struct ecryptfs_crypt_stat *crypt_stat, + struct ecryptfs_mount_crypt_stat *mount_crypt_stat) +{ + struct ecryptfs_global_auth_tok *global_auth_tok; + int rc = 0; + + mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex); + list_for_each_entry(global_auth_tok, + &mount_crypt_stat->global_auth_tok_list, + mount_crypt_stat_list) { + rc = ecryptfs_add_keysig(crypt_stat, global_auth_tok->sig); + if (rc) { + printk(KERN_ERR "Error adding keysig; rc = [%d]\n", rc); + mutex_unlock( + &mount_crypt_stat->global_auth_tok_list_mutex); + goto out; + } + } + mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex); +out: + return rc; +} + /** * ecryptfs_set_default_crypt_stat_vals - * @crypt_stat + * @crypt_stat: The inode's cryptographic context + * @mount_crypt_stat: The mount point's cryptographic context * * Default values in the event that policy does not override them. */ @@ -953,7 +951,7 @@ static void ecryptfs_set_default_crypt_stat_vals( /** * ecryptfs_new_file_context - * @ecryptfs_dentry + * @ecryptfs_dentry: The eCryptfs dentry * * If the crypto context for the file has not yet been established, * this is where we do that. Establishing a new crypto context @@ -970,49 +968,42 @@ static void ecryptfs_set_default_crypt_stat_vals( * * Returns zero on success; non-zero otherwise */ -/* Associate an authentication token(s) with the file */ int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry) { - int rc = 0; struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private( ecryptfs_dentry->d_sb)->mount_crypt_stat; int cipher_name_len; + int rc = 0; ecryptfs_set_default_crypt_stat_vals(crypt_stat, mount_crypt_stat); - /* See if there are mount crypt options */ - if (mount_crypt_stat->global_auth_tok) { - ecryptfs_printk(KERN_DEBUG, "Initializing context for new " - "file using mount_crypt_stat\n"); - crypt_stat->flags |= ECRYPTFS_ENCRYPTED; - crypt_stat->flags |= ECRYPTFS_KEY_VALID; - ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat, - mount_crypt_stat); - memcpy(crypt_stat->keysigs[crypt_stat->num_keysigs++], - mount_crypt_stat->global_auth_tok_sig, - ECRYPTFS_SIG_SIZE_HEX); - cipher_name_len = - strlen(mount_crypt_stat->global_default_cipher_name); - memcpy(crypt_stat->cipher, - mount_crypt_stat->global_default_cipher_name, - cipher_name_len); - crypt_stat->cipher[cipher_name_len] = '\0'; - crypt_stat->key_size = - mount_crypt_stat->global_default_cipher_key_size; - ecryptfs_generate_new_key(crypt_stat); - } else - /* We should not encounter this scenario since we - * should detect lack of global_auth_tok at mount time - * TODO: Applies to 0.1 release only; remove in future - * release */ - BUG(); + crypt_stat->flags |= (ECRYPTFS_ENCRYPTED | ECRYPTFS_KEY_VALID); + ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat, + mount_crypt_stat); + rc = ecryptfs_copy_mount_wide_sigs_to_inode_sigs(crypt_stat, + mount_crypt_stat); + if (rc) { + printk(KERN_ERR "Error attempting to copy mount-wide key sigs " + "to the inode key sigs; rc = [%d]\n", rc); + goto out; + } + cipher_name_len = + strlen(mount_crypt_stat->global_default_cipher_name); + memcpy(crypt_stat->cipher, + mount_crypt_stat->global_default_cipher_name, + cipher_name_len); + crypt_stat->cipher[cipher_name_len] = '\0'; + crypt_stat->key_size = + mount_crypt_stat->global_default_cipher_key_size; + ecryptfs_generate_new_key(crypt_stat); rc = ecryptfs_init_crypt_ctx(crypt_stat); if (rc) ecryptfs_printk(KERN_ERR, "Error initializing cryptographic " "context for cipher [%s]: rc = [%d]\n", crypt_stat->cipher, rc); +out: return rc; } @@ -1054,7 +1045,7 @@ static struct ecryptfs_flag_map_elem ecryptfs_flag_map[] = { /** * ecryptfs_process_flags - * @crypt_stat + * @crypt_stat: The cryptographic context * @page_virt: Source data to be parsed * @bytes_read: Updated with the number of bytes read * @@ -1142,7 +1133,7 @@ ecryptfs_cipher_code_str_map[] = { /** * ecryptfs_code_for_cipher_string - * @str: The string representing the cipher name + * @crypt_stat: The cryptographic context * * Returns zero on no match, or the cipher code on match */ @@ -1198,59 +1189,28 @@ int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code) return rc; } -/** - * ecryptfs_read_header_region - * @data - * @dentry - * @nd - * - * Returns zero on success; non-zero otherwise - */ -static int ecryptfs_read_header_region(char *data, struct dentry *dentry, - struct vfsmount *mnt) +int ecryptfs_read_and_validate_header_region(char *data, + struct inode *ecryptfs_inode) { - struct file *lower_file; - mm_segment_t oldfs; + struct ecryptfs_crypt_stat *crypt_stat = + &(ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat); int rc; - if ((rc = ecryptfs_open_lower_file(&lower_file, dentry, mnt, - O_RDONLY))) { - printk(KERN_ERR - "Error opening lower_file to read header region\n"); - goto out; - } - lower_file->f_pos = 0; - oldfs = get_fs(); - set_fs(get_ds()); - /* For releases 0.1 and 0.2, all of the header information - * fits in the first data extent-sized region. */ - rc = lower_file->f_op->read(lower_file, (char __user *)data, - ECRYPTFS_DEFAULT_EXTENT_SIZE, &lower_file->f_pos); - set_fs(oldfs); - if ((rc = ecryptfs_close_lower_file(lower_file))) { - printk(KERN_ERR "Error closing lower_file\n"); + rc = ecryptfs_read_lower(data, 0, crypt_stat->extent_size, + ecryptfs_inode); + if (rc) { + printk(KERN_ERR "%s: Error reading header region; rc = [%d]\n", + __FUNCTION__, rc); goto out; } - rc = 0; -out: - return rc; -} - -int ecryptfs_read_and_validate_header_region(char *data, struct dentry *dentry, - struct vfsmount *mnt) -{ - int rc; - - rc = ecryptfs_read_header_region(data, dentry, mnt); - if (rc) - goto out; - if (!contains_ecryptfs_marker(data + ECRYPTFS_FILE_SIZE_BYTES)) + if (!contains_ecryptfs_marker(data + ECRYPTFS_FILE_SIZE_BYTES)) { rc = -EINVAL; + ecryptfs_printk(KERN_DEBUG, "Valid marker not found\n"); + } out: return rc; } - void ecryptfs_write_header_metadata(char *virt, struct ecryptfs_crypt_stat *crypt_stat, @@ -1259,7 +1219,7 @@ ecryptfs_write_header_metadata(char *virt, u32 header_extent_size; u16 num_header_extents_at_front; - header_extent_size = (u32)crypt_stat->header_extent_size; + header_extent_size = (u32)crypt_stat->extent_size; num_header_extents_at_front = (u16)crypt_stat->num_header_extents_at_front; header_extent_size = cpu_to_be32(header_extent_size); @@ -1276,9 +1236,10 @@ struct kmem_cache *ecryptfs_header_cache_2; /** * ecryptfs_write_headers_virt - * @page_virt - * @crypt_stat - * @ecryptfs_dentry + * @page_virt: The virtual address to write the headers to + * @size: Set to the number of bytes written by this function + * @crypt_stat: The cryptographic context + * @ecryptfs_dentry: The eCryptfs dentry * * Format version: 1 * @@ -1332,53 +1293,50 @@ static int ecryptfs_write_headers_virt(char *page_virt, size_t *size, return rc; } -static int ecryptfs_write_metadata_to_contents(struct ecryptfs_crypt_stat *crypt_stat, - struct file *lower_file, - char *page_virt) +static int +ecryptfs_write_metadata_to_contents(struct ecryptfs_crypt_stat *crypt_stat, + struct dentry *ecryptfs_dentry, + char *page_virt) { - mm_segment_t oldfs; int current_header_page; int header_pages; - ssize_t size; - int rc = 0; + int rc; - lower_file->f_pos = 0; - oldfs = get_fs(); - set_fs(get_ds()); - size = vfs_write(lower_file, (char __user *)page_virt, PAGE_CACHE_SIZE, - &lower_file->f_pos); - if (size < 0) { - rc = (int)size; - printk(KERN_ERR "Error attempting to write lower page; " - "rc = [%d]\n", rc); - set_fs(oldfs); + rc = ecryptfs_write_lower(ecryptfs_dentry->d_inode, page_virt, + 0, PAGE_CACHE_SIZE); + if (rc) { + printk(KERN_ERR "%s: Error attempting to write header " + "information to lower file; rc = [%d]\n", __FUNCTION__, + rc); goto out; } - header_pages = ((crypt_stat->header_extent_size + header_pages = ((crypt_stat->extent_size * crypt_stat->num_header_extents_at_front) / PAGE_CACHE_SIZE); memset(page_virt, 0, PAGE_CACHE_SIZE); current_header_page = 1; while (current_header_page < header_pages) { - size = vfs_write(lower_file, (char __user *)page_virt, - PAGE_CACHE_SIZE, &lower_file->f_pos); - if (size < 0) { - rc = (int)size; - printk(KERN_ERR "Error attempting to write lower page; " - "rc = [%d]\n", rc); - set_fs(oldfs); + loff_t offset; + + offset = (((loff_t)current_header_page) << PAGE_CACHE_SHIFT); + if ((rc = ecryptfs_write_lower(ecryptfs_dentry->d_inode, + page_virt, offset, + PAGE_CACHE_SIZE))) { + printk(KERN_ERR "%s: Error attempting to write header " + "information to lower file; rc = [%d]\n", + __FUNCTION__, rc); goto out; } current_header_page++; } - set_fs(oldfs); out: return rc; } -static int ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, - struct ecryptfs_crypt_stat *crypt_stat, - char *page_virt, size_t size) +static int +ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, + struct ecryptfs_crypt_stat *crypt_stat, + char *page_virt, size_t size) { int rc; @@ -1389,7 +1347,7 @@ static int ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, /** * ecryptfs_write_metadata - * @lower_file: The lower file struct, which was returned from dentry_open + * @ecryptfs_dentry: The eCryptfs dentry * * Write the file headers out. This will likely involve a userspace * callout, in which the session key is encrypted with one or more @@ -1397,22 +1355,21 @@ static int ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, * retrieved via a prompt. Exactly what happens at this point should * be policy-dependent. * + * TODO: Support header information spanning multiple pages + * * Returns zero on success; non-zero on error */ -int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, - struct file *lower_file) +int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry) { - struct ecryptfs_crypt_stat *crypt_stat; + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; char *page_virt; - size_t size; + size_t size = 0; int rc = 0; - crypt_stat = &ecryptfs_inode_to_private( - ecryptfs_dentry->d_inode)->crypt_stat; if (likely(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { if (!(crypt_stat->flags & ECRYPTFS_KEY_VALID)) { - ecryptfs_printk(KERN_DEBUG, "Key is " - "invalid; bailing out\n"); + printk(KERN_ERR "Key is invalid; bailing out\n"); rc = -EINVAL; goto out; } @@ -1441,7 +1398,8 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, crypt_stat, page_virt, size); else - rc = ecryptfs_write_metadata_to_contents(crypt_stat, lower_file, + rc = ecryptfs_write_metadata_to_contents(crypt_stat, + ecryptfs_dentry, page_virt); if (rc) { printk(KERN_ERR "Error writing metadata out to lower file; " @@ -1464,28 +1422,28 @@ static int parse_header_metadata(struct ecryptfs_crypt_stat *crypt_stat, u32 header_extent_size; u16 num_header_extents_at_front; - memcpy(&header_extent_size, virt, 4); + memcpy(&header_extent_size, virt, sizeof(u32)); header_extent_size = be32_to_cpu(header_extent_size); - virt += 4; - memcpy(&num_header_extents_at_front, virt, 2); + virt += sizeof(u32); + memcpy(&num_header_extents_at_front, virt, sizeof(u16)); num_header_extents_at_front = be16_to_cpu(num_header_extents_at_front); - crypt_stat->header_extent_size = (int)header_extent_size; crypt_stat->num_header_extents_at_front = (int)num_header_extents_at_front; - (*bytes_read) = 6; + (*bytes_read) = (sizeof(u32) + sizeof(u16)); if ((validate_header_size == ECRYPTFS_VALIDATE_HEADER_SIZE) - && ((crypt_stat->header_extent_size + && ((crypt_stat->extent_size * crypt_stat->num_header_extents_at_front) < ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE)) { rc = -EINVAL; - ecryptfs_printk(KERN_WARNING, "Invalid header extent size: " - "[%d]\n", crypt_stat->header_extent_size); + printk(KERN_WARNING "Invalid number of header extents: [%zd]\n", + crypt_stat->num_header_extents_at_front); } return rc; } /** * set_default_header_data + * @crypt_stat: The cryptographic context * * For version 0 file format; this function is only for backwards * compatibility for files created with the prior versions of @@ -1493,12 +1451,15 @@ static int parse_header_metadata(struct ecryptfs_crypt_stat *crypt_stat, */ static void set_default_header_data(struct ecryptfs_crypt_stat *crypt_stat) { - crypt_stat->header_extent_size = 4096; - crypt_stat->num_header_extents_at_front = 1; + crypt_stat->num_header_extents_at_front = 2; } /** * ecryptfs_read_headers_virt + * @page_virt: The virtual address into which to read the headers + * @crypt_stat: The cryptographic context + * @ecryptfs_dentry: The eCryptfs dentry + * @validate_header_size: Whether to validate the header size while reading * * Read/parse the header data. The header format is detailed in the * comment block for the ecryptfs_write_headers_virt() function. @@ -1558,19 +1519,25 @@ out: /** * ecryptfs_read_xattr_region + * @page_virt: The vitual address into which to read the xattr data + * @ecryptfs_inode: The eCryptfs inode * * Attempts to read the crypto metadata from the extended attribute * region of the lower file. + * + * Returns zero on success; non-zero on error */ -int ecryptfs_read_xattr_region(char *page_virt, struct dentry *ecryptfs_dentry) +int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode) { + struct dentry *lower_dentry = + ecryptfs_inode_to_private(ecryptfs_inode)->lower_file->f_dentry; ssize_t size; int rc = 0; - size = ecryptfs_getxattr(ecryptfs_dentry, ECRYPTFS_XATTR_NAME, - page_virt, ECRYPTFS_DEFAULT_EXTENT_SIZE); + size = ecryptfs_getxattr_lower(lower_dentry, ECRYPTFS_XATTR_NAME, + page_virt, ECRYPTFS_DEFAULT_EXTENT_SIZE); if (size < 0) { - printk(KERN_DEBUG "Error attempting to read the [%s] " + printk(KERN_ERR "Error attempting to read the [%s] " "xattr from the lower file; return value = [%zd]\n", ECRYPTFS_XATTR_NAME, size); rc = -EINVAL; @@ -1585,7 +1552,7 @@ int ecryptfs_read_and_validate_xattr_region(char *page_virt, { int rc; - rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_dentry); + rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_dentry->d_inode); if (rc) goto out; if (!contains_ecryptfs_marker(page_virt + ECRYPTFS_FILE_SIZE_BYTES)) { @@ -1609,15 +1576,13 @@ out: * * Returns zero if valid headers found and parsed; non-zero otherwise */ -int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry, - struct file *lower_file) +int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) { int rc = 0; char *page_virt = NULL; - mm_segment_t oldfs; - ssize_t bytes_read; + struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode; struct ecryptfs_crypt_stat *crypt_stat = - &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private( ecryptfs_dentry->d_sb)->mount_crypt_stat; @@ -1628,27 +1593,18 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry, page_virt = kmem_cache_alloc(ecryptfs_header_cache_1, GFP_USER); if (!page_virt) { rc = -ENOMEM; - ecryptfs_printk(KERN_ERR, "Unable to allocate page_virt\n"); + printk(KERN_ERR "%s: Unable to allocate page_virt\n", + __FUNCTION__); goto out; } - lower_file->f_pos = 0; - oldfs = get_fs(); - set_fs(get_ds()); - bytes_read = lower_file->f_op->read(lower_file, - (char __user *)page_virt, - ECRYPTFS_DEFAULT_EXTENT_SIZE, - &lower_file->f_pos); - set_fs(oldfs); - if (bytes_read != ECRYPTFS_DEFAULT_EXTENT_SIZE) { - rc = -EINVAL; - goto out; - } - rc = ecryptfs_read_headers_virt(page_virt, crypt_stat, - ecryptfs_dentry, - ECRYPTFS_VALIDATE_HEADER_SIZE); + rc = ecryptfs_read_lower(page_virt, 0, crypt_stat->extent_size, + ecryptfs_inode); + if (!rc) + rc = ecryptfs_read_headers_virt(page_virt, crypt_stat, + ecryptfs_dentry, + ECRYPTFS_VALIDATE_HEADER_SIZE); if (rc) { - rc = ecryptfs_read_xattr_region(page_virt, - ecryptfs_dentry); + rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode); if (rc) { printk(KERN_DEBUG "Valid eCryptfs headers not found in " "file header region or xattr region\n"); @@ -1776,7 +1732,7 @@ out: } /** - * ecryptfs_process_cipher - Perform cipher initialization. + * ecryptfs_process_key_cipher - Perform key cipher initialization. * @key_tfm: Crypto context for key material, set by this function * @cipher_name: Name of the cipher * @key_size: Size of the key in bytes @@ -1785,9 +1741,9 @@ out: * should be released by other functions, such as on a superblock put * event, regardless of whether this function succeeds for fails. */ -int -ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name, - size_t *key_size) +static int +ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm, + char *cipher_name, size_t *key_size) { char dummy_key[ECRYPTFS_MAX_KEY_BYTES]; char *full_alg_name; @@ -1829,3 +1785,100 @@ ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name, out: return rc; } + +struct kmem_cache *ecryptfs_key_tfm_cache; +struct list_head key_tfm_list; +struct mutex key_tfm_list_mutex; + +int ecryptfs_init_crypto(void) +{ + mutex_init(&key_tfm_list_mutex); + INIT_LIST_HEAD(&key_tfm_list); + return 0; +} + +int ecryptfs_destroy_crypto(void) +{ + struct ecryptfs_key_tfm *key_tfm, *key_tfm_tmp; + + mutex_lock(&key_tfm_list_mutex); + list_for_each_entry_safe(key_tfm, key_tfm_tmp, &key_tfm_list, + key_tfm_list) { + list_del(&key_tfm->key_tfm_list); + if (key_tfm->key_tfm) + crypto_free_blkcipher(key_tfm->key_tfm); + kmem_cache_free(ecryptfs_key_tfm_cache, key_tfm); + } + mutex_unlock(&key_tfm_list_mutex); + return 0; +} + +int +ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name, + size_t key_size) +{ + struct ecryptfs_key_tfm *tmp_tfm; + int rc = 0; + + tmp_tfm = kmem_cache_alloc(ecryptfs_key_tfm_cache, GFP_KERNEL); + if (key_tfm != NULL) + (*key_tfm) = tmp_tfm; + if (!tmp_tfm) { + rc = -ENOMEM; + printk(KERN_ERR "Error attempting to allocate from " + "ecryptfs_key_tfm_cache\n"); + goto out; + } + mutex_init(&tmp_tfm->key_tfm_mutex); + strncpy(tmp_tfm->cipher_name, cipher_name, + ECRYPTFS_MAX_CIPHER_NAME_SIZE); + tmp_tfm->key_size = key_size; + rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm, + tmp_tfm->cipher_name, + &tmp_tfm->key_size); + if (rc) { + printk(KERN_ERR "Error attempting to initialize key TFM " + "cipher with name = [%s]; rc = [%d]\n", + tmp_tfm->cipher_name, rc); + kmem_cache_free(ecryptfs_key_tfm_cache, tmp_tfm); + if (key_tfm != NULL) + (*key_tfm) = NULL; + goto out; + } + mutex_lock(&key_tfm_list_mutex); + list_add(&tmp_tfm->key_tfm_list, &key_tfm_list); + mutex_unlock(&key_tfm_list_mutex); +out: + return rc; +} + +int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_blkcipher **tfm, + struct mutex **tfm_mutex, + char *cipher_name) +{ + struct ecryptfs_key_tfm *key_tfm; + int rc = 0; + + (*tfm) = NULL; + (*tfm_mutex) = NULL; + mutex_lock(&key_tfm_list_mutex); + list_for_each_entry(key_tfm, &key_tfm_list, key_tfm_list) { + if (strcmp(key_tfm->cipher_name, cipher_name) == 0) { + (*tfm) = key_tfm->key_tfm; + (*tfm_mutex) = &key_tfm->key_tfm_mutex; + mutex_unlock(&key_tfm_list_mutex); + goto out; + } + } + mutex_unlock(&key_tfm_list_mutex); + rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0); + if (rc) { + printk(KERN_ERR "Error adding new key_tfm to list; rc = [%d]\n", + rc); + goto out; + } + (*tfm) = key_tfm->key_tfm; + (*tfm_mutex) = &key_tfm->key_tfm_mutex; +out: + return rc; +} diff --git a/fs/ecryptfs/debug.c b/fs/ecryptfs/debug.c index 434c7efd80f..3d2bdf546ec 100644 --- a/fs/ecryptfs/debug.c +++ b/fs/ecryptfs/debug.c @@ -38,8 +38,6 @@ void ecryptfs_dump_auth_tok(struct ecryptfs_auth_tok *auth_tok) auth_tok); if (auth_tok->flags & ECRYPTFS_PRIVATE_KEY) { ecryptfs_printk(KERN_DEBUG, " * private key type\n"); - ecryptfs_printk(KERN_DEBUG, " * (NO PRIVATE KEY SUPPORT " - "IN ECRYPTFS VERSION 0.1)\n"); } else { ecryptfs_printk(KERN_DEBUG, " * passphrase type\n"); ecryptfs_to_hex(salt, auth_tok->token.password.salt, diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 1b9dd9a96f1..ce7a5d4aec3 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -38,7 +38,7 @@ /* Version verification for shared data structures w/ userspace */ #define ECRYPTFS_VERSION_MAJOR 0x00 #define ECRYPTFS_VERSION_MINOR 0x04 -#define ECRYPTFS_SUPPORTED_FILE_VERSION 0x02 +#define ECRYPTFS_SUPPORTED_FILE_VERSION 0x03 /* These flags indicate which features are supported by the kernel * module; userspace tools such as the mount helper read * ECRYPTFS_VERSIONING_MASK from a sysfs handle in order to determine @@ -48,10 +48,12 @@ #define ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH 0x00000004 #define ECRYPTFS_VERSIONING_POLICY 0x00000008 #define ECRYPTFS_VERSIONING_XATTR 0x00000010 +#define ECRYPTFS_VERSIONING_MULTKEY 0x00000020 #define ECRYPTFS_VERSIONING_MASK (ECRYPTFS_VERSIONING_PASSPHRASE \ | ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH \ | ECRYPTFS_VERSIONING_PUBKEY \ - | ECRYPTFS_VERSIONING_XATTR) + | ECRYPTFS_VERSIONING_XATTR \ + | ECRYPTFS_VERSIONING_MULTKEY) #define ECRYPTFS_MAX_PASSWORD_LENGTH 64 #define ECRYPTFS_MAX_PASSPHRASE_BYTES ECRYPTFS_MAX_PASSWORD_LENGTH #define ECRYPTFS_SALT_SIZE 8 @@ -65,8 +67,7 @@ #define ECRYPTFS_MAX_KEY_BYTES 64 #define ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES 512 #define ECRYPTFS_DEFAULT_IV_BYTES 16 -#define ECRYPTFS_FILE_VERSION 0x02 -#define ECRYPTFS_DEFAULT_HEADER_EXTENT_SIZE 8192 +#define ECRYPTFS_FILE_VERSION 0x03 #define ECRYPTFS_DEFAULT_EXTENT_SIZE 4096 #define ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE 8192 #define ECRYPTFS_DEFAULT_MSG_CTX_ELEMS 32 @@ -144,6 +145,7 @@ struct ecryptfs_private_key { struct ecryptfs_auth_tok { u16 version; /* 8-bit major and 8-bit minor */ u16 token_type; +#define ECRYPTFS_ENCRYPT_ONLY 0x00000001 u32 flags; struct ecryptfs_session_key session_key; u8 reserved[32]; @@ -194,12 +196,11 @@ ecryptfs_get_key_payload_data(struct key *key) #define ECRYPTFS_MAX_KEYSET_SIZE 1024 #define ECRYPTFS_MAX_CIPHER_NAME_SIZE 32 #define ECRYPTFS_MAX_NUM_ENC_KEYS 64 -#define ECRYPTFS_MAX_NUM_KEYSIGS 2 /* TODO: Make this a linked list */ #define ECRYPTFS_MAX_IV_BYTES 16 /* 128 bits */ #define ECRYPTFS_SALT_BYTES 2 #define MAGIC_ECRYPTFS_MARKER 0x3c81b7f5 #define MAGIC_ECRYPTFS_MARKER_SIZE_BYTES 8 /* 4*2 */ -#define ECRYPTFS_FILE_SIZE_BYTES 8 +#define ECRYPTFS_FILE_SIZE_BYTES (sizeof(u64)) #define ECRYPTFS_DEFAULT_CIPHER "aes" #define ECRYPTFS_DEFAULT_KEY_BYTES 16 #define ECRYPTFS_DEFAULT_HASH "md5" @@ -212,6 +213,11 @@ ecryptfs_get_key_payload_data(struct key *key) #define ECRYPTFS_TAG_67_PACKET_TYPE 0x43 #define MD5_DIGEST_SIZE 16 +struct ecryptfs_key_sig { + struct list_head crypt_stat_list; + char keysig[ECRYPTFS_SIG_SIZE_HEX]; +}; + /** * This is the primary struct associated with each encrypted file. * @@ -231,8 +237,6 @@ struct ecryptfs_crypt_stat { u32 flags; unsigned int file_version; size_t iv_bytes; - size_t num_keysigs; - size_t header_extent_size; size_t num_header_extents_at_front; size_t extent_size; /* Data extent size; default is 4096 */ size_t key_size; @@ -245,7 +249,8 @@ struct ecryptfs_crypt_stat { unsigned char cipher[ECRYPTFS_MAX_CIPHER_NAME_SIZE]; unsigned char key[ECRYPTFS_MAX_KEY_BYTES]; unsigned char root_iv[ECRYPTFS_MAX_IV_BYTES]; - unsigned char keysigs[ECRYPTFS_MAX_NUM_KEYSIGS][ECRYPTFS_SIG_SIZE_HEX]; + struct list_head keysig_list; + struct mutex keysig_list_mutex; struct mutex cs_tfm_mutex; struct mutex cs_hash_tfm_mutex; struct mutex cs_mutex; @@ -255,6 +260,8 @@ struct ecryptfs_crypt_stat { struct ecryptfs_inode_info { struct inode vfs_inode; struct inode *wii_inode; + struct file *lower_file; + struct mutex lower_file_mutex; struct ecryptfs_crypt_stat crypt_stat; }; @@ -266,6 +273,59 @@ struct ecryptfs_dentry_info { }; /** + * ecryptfs_global_auth_tok - A key used to encrypt all new files under the mountpoint + * @flags: Status flags + * @mount_crypt_stat_list: These auth_toks hang off the mount-wide + * cryptographic context. Every time a new + * inode comes into existence, eCryptfs copies + * the auth_toks on that list to the set of + * auth_toks on the inode's crypt_stat + * @global_auth_tok_key: The key from the user's keyring for the sig + * @global_auth_tok: The key contents + * @sig: The key identifier + * + * ecryptfs_global_auth_tok structs refer to authentication token keys + * in the user keyring that apply to newly created files. A list of + * these objects hangs off of the mount_crypt_stat struct for any + * given eCryptfs mount. This struct maintains a reference to both the + * key contents and the key itself so that the key can be put on + * unmount. + */ +struct ecryptfs_global_auth_tok { +#define ECRYPTFS_AUTH_TOK_INVALID 0x00000001 + u32 flags; + struct list_head mount_crypt_stat_list; + struct key *global_auth_tok_key; + struct ecryptfs_auth_tok *global_auth_tok; + unsigned char sig[ECRYPTFS_SIG_SIZE_HEX + 1]; +}; + +/** + * ecryptfs_key_tfm - Persistent key tfm + * @key_tfm: crypto API handle to the key + * @key_size: Key size in bytes + * @key_tfm_mutex: Mutex to ensure only one operation in eCryptfs is + * using the persistent TFM at any point in time + * @key_tfm_list: Handle to hang this off the module-wide TFM list + * @cipher_name: String name for the cipher for this TFM + * + * Typically, eCryptfs will use the same ciphers repeatedly throughout + * the course of its operations. In order to avoid unnecessarily + * destroying and initializing the same cipher repeatedly, eCryptfs + * keeps a list of crypto API contexts around to use when needed. + */ +struct ecryptfs_key_tfm { + struct crypto_blkcipher *key_tfm; + size_t key_size; + struct mutex key_tfm_mutex; + struct list_head key_tfm_list; + unsigned char cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1]; +}; + +extern struct list_head key_tfm_list; +extern struct mutex key_tfm_list_mutex; + +/** * This struct is to enable a mount-wide passphrase/salt combo. This * is more or less a stopgap to provide similar functionality to other * crypto filesystems like EncFS or CFS until full policy support is @@ -276,15 +336,14 @@ struct ecryptfs_mount_crypt_stat { #define ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED 0x00000001 #define ECRYPTFS_XATTR_METADATA_ENABLED 0x00000002 #define ECRYPTFS_ENCRYPTED_VIEW_ENABLED 0x00000004 +#define ECRYPTFS_MOUNT_CRYPT_STAT_INITIALIZED 0x00000008 u32 flags; - struct ecryptfs_auth_tok *global_auth_tok; - struct key *global_auth_tok_key; + struct list_head global_auth_tok_list; + struct mutex global_auth_tok_list_mutex; + size_t num_global_auth_toks; size_t global_default_cipher_key_size; - struct crypto_blkcipher *global_key_tfm; - struct mutex global_key_tfm_mutex; unsigned char global_default_cipher_name[ECRYPTFS_MAX_CIPHER_NAME_SIZE + 1]; - unsigned char global_auth_tok_sig[ECRYPTFS_SIG_SIZE_HEX + 1]; }; /* superblock private data. */ @@ -468,6 +527,9 @@ extern struct kmem_cache *ecryptfs_header_cache_2; extern struct kmem_cache *ecryptfs_xattr_cache; extern struct kmem_cache *ecryptfs_lower_page_cache; extern struct kmem_cache *ecryptfs_key_record_cache; +extern struct kmem_cache *ecryptfs_key_sig_cache; +extern struct kmem_cache *ecryptfs_global_auth_tok_cache; +extern struct kmem_cache *ecryptfs_key_tfm_cache; int ecryptfs_interpose(struct dentry *hidden_dentry, struct dentry *this_dentry, struct super_block *sb, @@ -486,44 +548,18 @@ int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg, int ecryptfs_compute_root_iv(struct ecryptfs_crypt_stat *crypt_stat); void ecryptfs_rotate_iv(unsigned char *iv); void ecryptfs_init_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); -void ecryptfs_destruct_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); -void ecryptfs_destruct_mount_crypt_stat( +void ecryptfs_destroy_crypt_stat(struct ecryptfs_crypt_stat *crypt_stat); +void ecryptfs_destroy_mount_crypt_stat( struct ecryptfs_mount_crypt_stat *mount_crypt_stat); int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); -int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, - char *cipher_name, - char *chaining_modifier); -#define ECRYPTFS_LOWER_I_MUTEX_NOT_HELD 0 -#define ECRYPTFS_LOWER_I_MUTEX_HELD 1 -int ecryptfs_write_inode_size_to_metadata(struct file *lower_file, - struct inode *lower_inode, - struct inode *inode, - struct dentry *ecryptfs_dentry, - int lower_i_mutex_held); -int ecryptfs_get_lower_page(struct page **lower_page, struct inode *lower_inode, - struct file *lower_file, - unsigned long lower_page_index, int byte_offset, - int region_bytes); -int -ecryptfs_commit_lower_page(struct page *lower_page, struct inode *lower_inode, - struct file *lower_file, int byte_offset, - int region_size); -int ecryptfs_copy_page_to_lower(struct page *page, struct inode *lower_inode, - struct file *lower_file); -int ecryptfs_do_readpage(struct file *file, struct page *page, - pgoff_t lower_page_index); -int ecryptfs_writepage_and_release_lower_page(struct page *lower_page, - struct inode *lower_inode, - struct writeback_control *wbc); -int ecryptfs_encrypt_page(struct ecryptfs_page_crypt_context *ctx); -int ecryptfs_decrypt_page(struct file *file, struct page *page); -int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, - struct file *lower_file); -int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry, - struct file *lower_file); +int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode); +int ecryptfs_encrypt_page(struct page *page); +int ecryptfs_decrypt_page(struct page *page); +int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry); +int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry); int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry); -int ecryptfs_read_and_validate_header_region(char *data, struct dentry *dentry, - struct vfsmount *mnt); +int ecryptfs_read_and_validate_header_region(char *data, + struct inode *ecryptfs_inode); int ecryptfs_read_and_validate_xattr_region(char *page_virt, struct dentry *ecryptfs_dentry); u16 ecryptfs_code_for_cipher_string(struct ecryptfs_crypt_stat *crypt_stat); @@ -533,27 +569,22 @@ int ecryptfs_generate_key_packet_set(char *dest_base, struct ecryptfs_crypt_stat *crypt_stat, struct dentry *ecryptfs_dentry, size_t *len, size_t max); -int process_request_key_err(long err_code); int ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, unsigned char *src, struct dentry *ecryptfs_dentry); int ecryptfs_truncate(struct dentry *dentry, loff_t new_length); -int -ecryptfs_process_cipher(struct crypto_blkcipher **key_tfm, char *cipher_name, - size_t *key_size); int ecryptfs_inode_test(struct inode *inode, void *candidate_lower_inode); int ecryptfs_inode_set(struct inode *inode, void *lower_inode); void ecryptfs_init_inode(struct inode *inode, struct inode *lower_inode); -int ecryptfs_open_lower_file(struct file **lower_file, - struct dentry *lower_dentry, - struct vfsmount *lower_mnt, int flags); -int ecryptfs_close_lower_file(struct file *lower_file); ssize_t ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size); +ssize_t +ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name, + void *value, size_t size); int ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -int ecryptfs_read_xattr_region(char *page_virt, struct dentry *ecryptfs_dentry); +int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode); int ecryptfs_process_helo(unsigned int transport, uid_t uid, pid_t pid); int ecryptfs_process_quit(uid_t uid, pid_t pid); int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t uid, @@ -580,7 +611,43 @@ void ecryptfs_write_header_metadata(char *virt, struct ecryptfs_crypt_stat *crypt_stat, size_t *written); +int ecryptfs_add_keysig(struct ecryptfs_crypt_stat *crypt_stat, char *sig); +int +ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat, + char *sig); +int ecryptfs_get_global_auth_tok_for_sig( + struct ecryptfs_global_auth_tok **global_auth_tok, + struct ecryptfs_mount_crypt_stat *mount_crypt_stat, char *sig); +int +ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name, + size_t key_size); +int ecryptfs_init_crypto(void); +int ecryptfs_destroy_crypto(void); +int ecryptfs_get_tfm_and_mutex_for_cipher_name(struct crypto_blkcipher **tfm, + struct mutex **tfm_mutex, + char *cipher_name); +int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key, + struct ecryptfs_auth_tok **auth_tok, + char *sig); int ecryptfs_write_zeros(struct file *file, pgoff_t index, int start, int num_zeros); +void ecryptfs_lower_offset_for_extent(loff_t *offset, loff_t extent_num, + struct ecryptfs_crypt_stat *crypt_stat); +int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data, + loff_t offset, size_t size); +int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode, + struct page *page_for_lower, + size_t offset_in_page, size_t size); +int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset, + size_t size); +int ecryptfs_read_lower(char *data, loff_t offset, size_t size, + struct inode *ecryptfs_inode); +int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, + pgoff_t page_index, + size_t offset_in_page, size_t size, + struct inode *ecryptfs_inode); +int ecryptfs_read(char *data, loff_t offset, size_t size, + struct file *ecryptfs_file); +struct page *ecryptfs_get_locked_page(struct file *file, loff_t index); #endif /* #ifndef ECRYPTFS_KERNEL_H */ diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 94f456fe4d9..c98c4690a77 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -141,34 +141,6 @@ retry: struct kmem_cache *ecryptfs_file_info_cache; -int ecryptfs_open_lower_file(struct file **lower_file, - struct dentry *lower_dentry, - struct vfsmount *lower_mnt, int flags) -{ - int rc = 0; - - flags |= O_LARGEFILE; - dget(lower_dentry); - mntget(lower_mnt); - *lower_file = dentry_open(lower_dentry, lower_mnt, flags); - if (IS_ERR(*lower_file)) { - printk(KERN_ERR "Error opening lower file for lower_dentry " - "[0x%p], lower_mnt [0x%p], and flags [0x%x]\n", - lower_dentry, lower_mnt, flags); - rc = PTR_ERR(*lower_file); - *lower_file = NULL; - goto out; - } -out: - return rc; -} - -int ecryptfs_close_lower_file(struct file *lower_file) -{ - fput(lower_file); - return 0; -} - /** * ecryptfs_open * @inode: inode speciying file to open @@ -187,11 +159,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file) /* Private value of ecryptfs_dentry allocated in * ecryptfs_lookup() */ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); - struct inode *lower_inode = NULL; - struct file *lower_file = NULL; - struct vfsmount *lower_mnt; struct ecryptfs_file_info *file_info; - int lower_flags; mount_crypt_stat = &ecryptfs_superblock_to_private( ecryptfs_dentry->d_sb)->mount_crypt_stat; @@ -219,25 +187,12 @@ static int ecryptfs_open(struct inode *inode, struct file *file) if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)) { ecryptfs_printk(KERN_DEBUG, "Setting flags for stat...\n"); /* Policy code enabled in future release */ - crypt_stat->flags |= ECRYPTFS_POLICY_APPLIED; - crypt_stat->flags |= ECRYPTFS_ENCRYPTED; + crypt_stat->flags |= (ECRYPTFS_POLICY_APPLIED + | ECRYPTFS_ENCRYPTED); } mutex_unlock(&crypt_stat->cs_mutex); - lower_flags = file->f_flags; - if ((lower_flags & O_ACCMODE) == O_WRONLY) - lower_flags = (lower_flags & O_ACCMODE) | O_RDWR; - if (file->f_flags & O_APPEND) - lower_flags &= ~O_APPEND; - lower_mnt = ecryptfs_dentry_to_lower_mnt(ecryptfs_dentry); - /* Corresponding fput() in ecryptfs_release() */ - if ((rc = ecryptfs_open_lower_file(&lower_file, lower_dentry, lower_mnt, - lower_flags))) { - ecryptfs_printk(KERN_ERR, "Error opening lower file\n"); - goto out_puts; - } - ecryptfs_set_file_lower(file, lower_file); - /* Isn't this check the same as the one in lookup? */ - lower_inode = lower_dentry->d_inode; + ecryptfs_set_file_lower( + file, ecryptfs_inode_to_private(inode)->lower_file); if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) { ecryptfs_printk(KERN_DEBUG, "This is a directory\n"); crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); @@ -247,7 +202,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file) mutex_lock(&crypt_stat->cs_mutex); if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED) || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) { - rc = ecryptfs_read_metadata(ecryptfs_dentry, lower_file); + rc = ecryptfs_read_metadata(ecryptfs_dentry); if (rc) { ecryptfs_printk(KERN_DEBUG, "Valid headers not found\n"); @@ -259,7 +214,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file) "and plaintext passthrough mode is not " "enabled; returning -EIO\n"); mutex_unlock(&crypt_stat->cs_mutex); - goto out_puts; + goto out_free; } rc = 0; crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); @@ -271,11 +226,8 @@ static int ecryptfs_open(struct inode *inode, struct file *file) ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = [0x%.16x] " "size: [0x%.16x]\n", inode, inode->i_ino, i_size_read(inode)); - ecryptfs_set_file_lower(file, lower_file); goto out; -out_puts: - mntput(lower_mnt); - dput(lower_dentry); +out_free: kmem_cache_free(ecryptfs_file_info_cache, ecryptfs_file_to_private(file)); out: @@ -295,19 +247,9 @@ static int ecryptfs_flush(struct file *file, fl_owner_t td) static int ecryptfs_release(struct inode *inode, struct file *file) { - struct file *lower_file = ecryptfs_file_to_lower(file); - struct ecryptfs_file_info *file_info = ecryptfs_file_to_private(file); - struct inode *lower_inode = ecryptfs_inode_to_lower(inode); - int rc; - - if ((rc = ecryptfs_close_lower_file(lower_file))) { - printk(KERN_ERR "Error closing lower_file\n"); - goto out; - } - inode->i_blocks = lower_inode->i_blocks; - kmem_cache_free(ecryptfs_file_info_cache, file_info); -out: - return rc; + kmem_cache_free(ecryptfs_file_info_cache, + ecryptfs_file_to_private(file)); + return 0; } static int @@ -338,21 +280,6 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag) return rc; } -static ssize_t ecryptfs_splice_read(struct file *file, loff_t * ppos, - struct pipe_inode_info *pipe, size_t count, - unsigned int flags) -{ - struct file *lower_file = NULL; - int rc = -EINVAL; - - lower_file = ecryptfs_file_to_lower(file); - if (lower_file->f_op && lower_file->f_op->splice_read) - rc = lower_file->f_op->splice_read(lower_file, ppos, pipe, - count, flags); - - return rc; -} - static int ecryptfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); @@ -365,7 +292,7 @@ const struct file_operations ecryptfs_dir_fops = { .release = ecryptfs_release, .fsync = ecryptfs_fsync, .fasync = ecryptfs_fasync, - .splice_read = ecryptfs_splice_read, + .splice_read = generic_file_splice_read, }; const struct file_operations ecryptfs_main_fops = { @@ -382,7 +309,7 @@ const struct file_operations ecryptfs_main_fops = { .release = ecryptfs_release, .fsync = ecryptfs_fsync, .fasync = ecryptfs_fasync, - .splice_read = ecryptfs_splice_read, + .splice_read = generic_file_splice_read, }; static int diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 131954b3fb9..5701f816faf 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -119,10 +119,23 @@ ecryptfs_do_create(struct inode *directory_inode, } rc = ecryptfs_create_underlying_file(lower_dir_dentry->d_inode, ecryptfs_dentry, mode, nd); - if (unlikely(rc)) { - ecryptfs_printk(KERN_ERR, - "Failure to create underlying file\n"); - goto out_lock; + if (rc) { + struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode; + struct ecryptfs_inode_info *inode_info = + ecryptfs_inode_to_private(ecryptfs_inode); + + printk(KERN_WARNING "%s: Error creating underlying file; " + "rc = [%d]; checking for existing\n", __FUNCTION__, rc); + if (inode_info) { + mutex_lock(&inode_info->lower_file_mutex); + if (!inode_info->lower_file) { + mutex_unlock(&inode_info->lower_file_mutex); + printk(KERN_ERR "%s: Failure to set underlying " + "file; rc = [%d]\n", __FUNCTION__, rc); + goto out_lock; + } + mutex_unlock(&inode_info->lower_file_mutex); + } } rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry, directory_inode->i_sb, 0); @@ -140,39 +153,30 @@ out: /** * grow_file - * @ecryptfs_dentry: the ecryptfs dentry - * @lower_file: The lower file - * @inode: The ecryptfs inode - * @lower_inode: The lower inode + * @ecryptfs_dentry: the eCryptfs dentry * * This is the code which will grow the file to its correct size. */ -static int grow_file(struct dentry *ecryptfs_dentry, struct file *lower_file, - struct inode *inode, struct inode *lower_inode) +static int grow_file(struct dentry *ecryptfs_dentry) { - int rc = 0; + struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode; struct file fake_file; struct ecryptfs_file_info tmp_file_info; + char zero_virt[] = { 0x00 }; + int rc = 0; memset(&fake_file, 0, sizeof(fake_file)); fake_file.f_path.dentry = ecryptfs_dentry; memset(&tmp_file_info, 0, sizeof(tmp_file_info)); ecryptfs_set_file_private(&fake_file, &tmp_file_info); - ecryptfs_set_file_lower(&fake_file, lower_file); - rc = ecryptfs_fill_zeros(&fake_file, 1); - if (rc) { - ecryptfs_inode_to_private(inode)->crypt_stat.flags |= - ECRYPTFS_SECURITY_WARNING; - ecryptfs_printk(KERN_WARNING, "Error attempting to fill zeros " - "in file; rc = [%d]\n", rc); - goto out; - } - i_size_write(inode, 0); - rc = ecryptfs_write_inode_size_to_metadata(lower_file, lower_inode, - inode, ecryptfs_dentry, - ECRYPTFS_LOWER_I_MUTEX_NOT_HELD); - ecryptfs_inode_to_private(inode)->crypt_stat.flags |= ECRYPTFS_NEW_FILE; -out: + ecryptfs_set_file_lower( + &fake_file, + ecryptfs_inode_to_private(ecryptfs_inode)->lower_file); + rc = ecryptfs_write(&fake_file, zero_virt, 0, 1); + i_size_write(ecryptfs_inode, 0); + rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); + ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat.flags |= + ECRYPTFS_NEW_FILE; return rc; } @@ -186,51 +190,31 @@ out: */ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry) { + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; int rc = 0; - int lower_flags; - struct ecryptfs_crypt_stat *crypt_stat; - struct dentry *lower_dentry; - struct file *lower_file; - struct inode *inode, *lower_inode; - struct vfsmount *lower_mnt; - lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); - ecryptfs_printk(KERN_DEBUG, "lower_dentry->d_name.name = [%s]\n", - lower_dentry->d_name.name); - inode = ecryptfs_dentry->d_inode; - crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; - lower_flags = ((O_CREAT | O_TRUNC) & O_ACCMODE) | O_RDWR; - lower_mnt = ecryptfs_dentry_to_lower_mnt(ecryptfs_dentry); - /* Corresponding fput() at end of this function */ - if ((rc = ecryptfs_open_lower_file(&lower_file, lower_dentry, lower_mnt, - lower_flags))) { - ecryptfs_printk(KERN_ERR, - "Error opening dentry; rc = [%i]\n", rc); - goto out; - } - lower_inode = lower_dentry->d_inode; if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) { ecryptfs_printk(KERN_DEBUG, "This is a directory\n"); crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); - goto out_fput; + goto out; } crypt_stat->flags |= ECRYPTFS_NEW_FILE; ecryptfs_printk(KERN_DEBUG, "Initializing crypto context\n"); rc = ecryptfs_new_file_context(ecryptfs_dentry); if (rc) { - ecryptfs_printk(KERN_DEBUG, "Error creating new file " - "context\n"); - goto out_fput; + ecryptfs_printk(KERN_ERR, "Error creating new file " + "context; rc = [%d]\n", rc); + goto out; } - rc = ecryptfs_write_metadata(ecryptfs_dentry, lower_file); + rc = ecryptfs_write_metadata(ecryptfs_dentry); if (rc) { - ecryptfs_printk(KERN_DEBUG, "Error writing headers\n"); - goto out_fput; + printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc); + goto out; } - rc = grow_file(ecryptfs_dentry, lower_file, inode, lower_inode); -out_fput: - if ((rc = ecryptfs_close_lower_file(lower_file))) - printk(KERN_ERR "Error closing lower_file\n"); + rc = grow_file(ecryptfs_dentry); + if (rc) + printk(KERN_ERR "Error growing file; rc = [%d]\n", rc); out: return rc; } @@ -252,6 +236,8 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, { int rc; + /* ecryptfs_do_create() calls ecryptfs_interpose(), which opens + * the crypt_stat->lower_file (persistent file) */ rc = ecryptfs_do_create(directory_inode, ecryptfs_dentry, mode, nd); if (unlikely(rc)) { ecryptfs_printk(KERN_WARNING, "Failed to create file in" @@ -374,8 +360,8 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry, crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat; if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)) ecryptfs_set_default_sizes(crypt_stat); - rc = ecryptfs_read_and_validate_header_region(page_virt, lower_dentry, - nd->mnt); + rc = ecryptfs_read_and_validate_header_region(page_virt, + dentry->d_inode); if (rc) { rc = ecryptfs_read_and_validate_xattr_region(page_virt, dentry); if (rc) { @@ -392,7 +378,8 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry, dentry->d_sb)->mount_crypt_stat; if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) { if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) - file_size = (crypt_stat->header_extent_size + file_size = ((crypt_stat->extent_size + * crypt_stat->num_header_extents_at_front) + i_size_read(lower_dentry->d_inode)); else file_size = i_size_read(lower_dentry->d_inode); @@ -722,8 +709,8 @@ upper_size_to_lower_size(struct ecryptfs_crypt_stat *crypt_stat, { loff_t lower_size; - lower_size = ( crypt_stat->header_extent_size - * crypt_stat->num_header_extents_at_front ); + lower_size = (crypt_stat->extent_size + * crypt_stat->num_header_extents_at_front); if (upper_size != 0) { loff_t num_extents; @@ -752,8 +739,7 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length) int rc = 0; struct inode *inode = dentry->d_inode; struct dentry *lower_dentry; - struct vfsmount *lower_mnt; - struct file fake_ecryptfs_file, *lower_file = NULL; + struct file fake_ecryptfs_file; struct ecryptfs_crypt_stat *crypt_stat; loff_t i_size = i_size_read(inode); loff_t lower_size_before_truncate; @@ -776,62 +762,52 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length) goto out; } lower_dentry = ecryptfs_dentry_to_lower(dentry); - /* This dget & mntget is released through fput at out_fput: */ - lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry); - if ((rc = ecryptfs_open_lower_file(&lower_file, lower_dentry, lower_mnt, - O_RDWR))) { - ecryptfs_printk(KERN_ERR, - "Error opening dentry; rc = [%i]\n", rc); - goto out_free; - } - ecryptfs_set_file_lower(&fake_ecryptfs_file, lower_file); + ecryptfs_set_file_lower( + &fake_ecryptfs_file, + ecryptfs_inode_to_private(dentry->d_inode)->lower_file); /* Switch on growing or shrinking file */ if (new_length > i_size) { - rc = ecryptfs_fill_zeros(&fake_ecryptfs_file, new_length); - if (rc) { - ecryptfs_printk(KERN_ERR, - "Problem with fill_zeros\n"); - goto out_fput; - } - i_size_write(inode, new_length); - rc = ecryptfs_write_inode_size_to_metadata( - lower_file, lower_dentry->d_inode, inode, dentry, - ECRYPTFS_LOWER_I_MUTEX_NOT_HELD); - if (rc) { - printk(KERN_ERR "Problem with " - "ecryptfs_write_inode_size_to_metadata; " - "rc = [%d]\n", rc); - goto out_fput; - } + char zero[] = { 0x00 }; + + /* Write a single 0 at the last position of the file; + * this triggers code that will fill in 0's throughout + * the intermediate portion of the previous end of the + * file and the new and of the file */ + rc = ecryptfs_write(&fake_ecryptfs_file, zero, + (new_length - 1), 1); } else { /* new_length < i_size_read(inode) */ - pgoff_t index = 0; - int end_pos_in_page = -1; + /* We're chopping off all the pages down do the page + * in which new_length is located. Fill in the end of + * that page from (new_length & ~PAGE_CACHE_MASK) to + * PAGE_CACHE_SIZE with zeros. */ + size_t num_zeros = (PAGE_CACHE_SIZE + - (new_length & ~PAGE_CACHE_MASK)); - if (new_length != 0) { - index = ((new_length - 1) >> PAGE_CACHE_SHIFT); - end_pos_in_page = ((new_length - 1) & ~PAGE_CACHE_MASK); - } - if (end_pos_in_page != (PAGE_CACHE_SIZE - 1)) { - if ((rc = ecryptfs_write_zeros(&fake_ecryptfs_file, - index, - (end_pos_in_page + 1), - ((PAGE_CACHE_SIZE - 1) - - end_pos_in_page)))) { + if (num_zeros) { + char *zeros_virt; + + zeros_virt = kzalloc(num_zeros, GFP_KERNEL); + if (!zeros_virt) { + rc = -ENOMEM; + goto out_free; + } + rc = ecryptfs_write(&fake_ecryptfs_file, zeros_virt, + new_length, num_zeros); + kfree(zeros_virt); + if (rc) { printk(KERN_ERR "Error attempting to zero out " "the remainder of the end page on " "reducing truncate; rc = [%d]\n", rc); - goto out_fput; + goto out_free; } } vmtruncate(inode, new_length); - rc = ecryptfs_write_inode_size_to_metadata( - lower_file, lower_dentry->d_inode, inode, dentry, - ECRYPTFS_LOWER_I_MUTEX_NOT_HELD); + rc = ecryptfs_write_inode_size_to_metadata(inode); if (rc) { printk(KERN_ERR "Problem with " "ecryptfs_write_inode_size_to_metadata; " "rc = [%d]\n", rc); - goto out_fput; + goto out_free; } /* We are reducing the size of the ecryptfs file, and need to * know if we need to reduce the size of the lower file. */ @@ -843,13 +819,6 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length) vmtruncate(lower_dentry->d_inode, lower_size_after_truncate); } - /* Update the access times */ - lower_dentry->d_inode->i_mtime = lower_dentry->d_inode->i_ctime - = CURRENT_TIME; - mark_inode_dirty_sync(inode); -out_fput: - if ((rc = ecryptfs_close_lower_file(lower_file))) - printk(KERN_ERR "Error closing lower_file\n"); out_free: if (ecryptfs_file_to_private(&fake_ecryptfs_file)) kmem_cache_free(ecryptfs_file_info_cache, @@ -909,23 +878,12 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) else if (S_ISREG(dentry->d_inode->i_mode) && (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED) || !(crypt_stat->flags & ECRYPTFS_KEY_VALID))) { - struct vfsmount *lower_mnt; - struct file *lower_file = NULL; struct ecryptfs_mount_crypt_stat *mount_crypt_stat; - int lower_flags; - - lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry); - lower_flags = O_RDONLY; - if ((rc = ecryptfs_open_lower_file(&lower_file, lower_dentry, - lower_mnt, lower_flags))) { - printk(KERN_ERR - "Error opening lower file; rc = [%d]\n", rc); - mutex_unlock(&crypt_stat->cs_mutex); - goto out; - } + mount_crypt_stat = &ecryptfs_superblock_to_private( dentry->d_sb)->mount_crypt_stat; - if ((rc = ecryptfs_read_metadata(dentry, lower_file))) { + rc = ecryptfs_read_metadata(dentry); + if (rc) { if (!(mount_crypt_stat->flags & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) { rc = -EIO; @@ -935,16 +893,13 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) "enabled; returning -EIO\n"); mutex_unlock(&crypt_stat->cs_mutex); - fput(lower_file); goto out; } rc = 0; crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); mutex_unlock(&crypt_stat->cs_mutex); - fput(lower_file); goto out; } - fput(lower_file); } mutex_unlock(&crypt_stat->cs_mutex); if (ia->ia_valid & ATTR_SIZE) { @@ -986,13 +941,11 @@ out: } ssize_t -ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value, - size_t size) +ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name, + void *value, size_t size) { int rc = 0; - struct dentry *lower_dentry; - lower_dentry = ecryptfs_dentry_to_lower(dentry); if (!lower_dentry->d_inode->i_op->getxattr) { rc = -ENOSYS; goto out; @@ -1005,6 +958,14 @@ out: return rc; } +ssize_t +ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value, + size_t size) +{ + return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry), name, + value, size); +} + static ssize_t ecryptfs_listxattr(struct dentry *dentry, char *list, size_t size) { diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index b550dea8eee..89d9710dd63 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -39,7 +39,7 @@ * determine the type of error, make appropriate log entries, and * return an error code. */ -int process_request_key_err(long err_code) +static int process_request_key_err(long err_code) { int rc = 0; @@ -71,7 +71,7 @@ int process_request_key_err(long err_code) * address; zero on error * @length_size: The number of bytes occupied by the encoded length * - * Returns Zero on success + * Returns zero on success; non-zero on error */ static int parse_packet_length(unsigned char *data, size_t *size, size_t *length_size) @@ -106,11 +106,11 @@ out: /** * write_packet_length - * @dest: The byte array target into which to write the - * length. Must have at least 5 bytes allocated. + * @dest: The byte array target into which to write the length. Must + * have at least 5 bytes allocated. * @size: The length to write. - * @packet_size_length: The number of bytes used to encode the - * packet length is written to this address. + * @packet_size_length: The number of bytes used to encode the packet + * length is written to this address. * * Returns zero on success; non-zero on error. */ @@ -396,26 +396,53 @@ out: return rc; } +static int +ecryptfs_get_auth_tok_sig(char **sig, struct ecryptfs_auth_tok *auth_tok) +{ + int rc = 0; + + (*sig) = NULL; + switch (auth_tok->token_type) { + case ECRYPTFS_PASSWORD: + (*sig) = auth_tok->token.password.signature; + break; + case ECRYPTFS_PRIVATE_KEY: + (*sig) = auth_tok->token.private_key.signature; + break; + default: + printk(KERN_ERR "Cannot get sig for auth_tok of type [%d]\n", + auth_tok->token_type); + rc = -EINVAL; + } + return rc; +} + /** - * decrypt_pki_encrypted_session_key - Decrypt the session key with - * the given auth_tok. + * decrypt_pki_encrypted_session_key - Decrypt the session key with the given auth_tok. + * @auth_tok: The key authentication token used to decrypt the session key + * @crypt_stat: The cryptographic context * - * Returns Zero on success; non-zero error otherwise. + * Returns zero on success; non-zero error otherwise. */ -static int decrypt_pki_encrypted_session_key( - struct ecryptfs_mount_crypt_stat *mount_crypt_stat, - struct ecryptfs_auth_tok *auth_tok, - struct ecryptfs_crypt_stat *crypt_stat) +static int +decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, + struct ecryptfs_crypt_stat *crypt_stat) { u16 cipher_code = 0; struct ecryptfs_msg_ctx *msg_ctx; struct ecryptfs_message *msg = NULL; + char *auth_tok_sig; char *netlink_message; size_t netlink_message_length; int rc; - rc = write_tag_64_packet(mount_crypt_stat->global_auth_tok_sig, - &(auth_tok->session_key), + rc = ecryptfs_get_auth_tok_sig(&auth_tok_sig, auth_tok); + if (rc) { + printk(KERN_ERR "Unrecognized auth tok type: [%d]\n", + auth_tok->token_type); + goto out; + } + rc = write_tag_64_packet(auth_tok_sig, &(auth_tok->session_key), &netlink_message, &netlink_message_length); if (rc) { ecryptfs_printk(KERN_ERR, "Failed to write tag 64 packet"); @@ -465,40 +492,33 @@ out: static void wipe_auth_tok_list(struct list_head *auth_tok_list_head) { - struct list_head *walker; struct ecryptfs_auth_tok_list_item *auth_tok_list_item; + struct ecryptfs_auth_tok_list_item *auth_tok_list_item_tmp; - walker = auth_tok_list_head->next; - while (walker != auth_tok_list_head) { - auth_tok_list_item = - list_entry(walker, struct ecryptfs_auth_tok_list_item, - list); - walker = auth_tok_list_item->list.next; - memset(auth_tok_list_item, 0, - sizeof(struct ecryptfs_auth_tok_list_item)); + list_for_each_entry_safe(auth_tok_list_item, auth_tok_list_item_tmp, + auth_tok_list_head, list) { + list_del(&auth_tok_list_item->list); kmem_cache_free(ecryptfs_auth_tok_list_item_cache, auth_tok_list_item); } - auth_tok_list_head->next = NULL; } struct kmem_cache *ecryptfs_auth_tok_list_item_cache; - /** * parse_tag_1_packet - * @crypt_stat: The cryptographic context to modify based on packet - * contents. + * @crypt_stat: The cryptographic context to modify based on packet contents * @data: The raw bytes of the packet. * @auth_tok_list: eCryptfs parses packets into authentication tokens; - * a new authentication token will be placed at the end - * of this list for this packet. + * a new authentication token will be placed at the + * end of this list for this packet. * @new_auth_tok: Pointer to a pointer to memory that this function * allocates; sets the memory address of the pointer to * NULL on error. This object is added to the * auth_tok_list. * @packet_size: This function writes the size of the parsed packet * into this memory location; zero on error. + * @max_packet_size: The maximum allowable packet size * * Returns zero on success; non-zero on error. */ @@ -515,72 +535,65 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat, (*packet_size) = 0; (*new_auth_tok) = NULL; - - /* we check that: - * one byte for the Tag 1 ID flag - * two bytes for the body size - * do not exceed the maximum_packet_size + /** + * This format is inspired by OpenPGP; see RFC 2440 + * packet tag 1 + * + * Tag 1 identifier (1 byte) + * Max Tag 1 packet size (max 3 bytes) + * Version (1 byte) + * Key identifier (8 bytes; ECRYPTFS_SIG_SIZE) + * Cipher identifier (1 byte) + * Encrypted key size (arbitrary) + * + * 12 bytes minimum packet size */ - if (unlikely((*packet_size) + 3 > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + if (unlikely(max_packet_size < 12)) { + printk(KERN_ERR "Invalid max packet size; must be >=12\n"); rc = -EINVAL; goto out; } - /* check for Tag 1 identifier - one byte */ if (data[(*packet_size)++] != ECRYPTFS_TAG_1_PACKET_TYPE) { - ecryptfs_printk(KERN_ERR, "Enter w/ first byte != 0x%.2x\n", - ECRYPTFS_TAG_1_PACKET_TYPE); + printk(KERN_ERR "Enter w/ first byte != 0x%.2x\n", + ECRYPTFS_TAG_1_PACKET_TYPE); rc = -EINVAL; goto out; } /* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or * at end of function upon failure */ auth_tok_list_item = - kmem_cache_alloc(ecryptfs_auth_tok_list_item_cache, - GFP_KERNEL); + kmem_cache_zalloc(ecryptfs_auth_tok_list_item_cache, + GFP_KERNEL); if (!auth_tok_list_item) { - ecryptfs_printk(KERN_ERR, "Unable to allocate memory\n"); + printk(KERN_ERR "Unable to allocate memory\n"); rc = -ENOMEM; goto out; } - memset(auth_tok_list_item, 0, - sizeof(struct ecryptfs_auth_tok_list_item)); (*new_auth_tok) = &auth_tok_list_item->auth_tok; - /* check for body size - one to two bytes - * - * ***** TAG 1 Packet Format ***** - * | version number | 1 byte | - * | key ID | 8 bytes | - * | public key algorithm | 1 byte | - * | encrypted session key | arbitrary | - */ rc = parse_packet_length(&data[(*packet_size)], &body_size, &length_size); if (rc) { - ecryptfs_printk(KERN_WARNING, "Error parsing packet length; " - "rc = [%d]\n", rc); + printk(KERN_WARNING "Error parsing packet length; " + "rc = [%d]\n", rc); goto out_free; } - if (unlikely(body_size < (0x02 + ECRYPTFS_SIG_SIZE))) { - ecryptfs_printk(KERN_WARNING, "Invalid body size ([%d])\n", - body_size); + if (unlikely(body_size < (ECRYPTFS_SIG_SIZE + 2))) { + printk(KERN_WARNING "Invalid body size ([%td])\n", body_size); rc = -EINVAL; goto out_free; } (*packet_size) += length_size; if (unlikely((*packet_size) + body_size > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + printk(KERN_WARNING "Packet size exceeds max\n"); rc = -EINVAL; goto out_free; } - /* Version 3 (from RFC2440) - one byte */ if (unlikely(data[(*packet_size)++] != 0x03)) { - ecryptfs_printk(KERN_DEBUG, "Unknown version number " - "[%d]\n", data[(*packet_size) - 1]); + printk(KERN_WARNING "Unknown version number [%d]\n", + data[(*packet_size) - 1]); rc = -EINVAL; goto out_free; } - /* Read Signature */ ecryptfs_to_hex((*new_auth_tok)->token.private_key.signature, &data[(*packet_size)], ECRYPTFS_SIG_SIZE); *packet_size += ECRYPTFS_SIG_SIZE; @@ -588,27 +601,23 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat, * know which public key encryption algorithm was used */ (*packet_size)++; (*new_auth_tok)->session_key.encrypted_key_size = - body_size - (0x02 + ECRYPTFS_SIG_SIZE); + body_size - (ECRYPTFS_SIG_SIZE + 2); if ((*new_auth_tok)->session_key.encrypted_key_size > ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES) { - ecryptfs_printk(KERN_ERR, "Tag 1 packet contains key larger " - "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES"); + printk(KERN_WARNING "Tag 1 packet contains key larger " + "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES"); rc = -EINVAL; goto out; } - ecryptfs_printk(KERN_DEBUG, "Encrypted key size = [%d]\n", - (*new_auth_tok)->session_key.encrypted_key_size); memcpy((*new_auth_tok)->session_key.encrypted_key, - &data[(*packet_size)], (body_size - 0x02 - ECRYPTFS_SIG_SIZE)); + &data[(*packet_size)], (body_size - (ECRYPTFS_SIG_SIZE + 2))); (*packet_size) += (*new_auth_tok)->session_key.encrypted_key_size; (*new_auth_tok)->session_key.flags &= ~ECRYPTFS_CONTAINS_DECRYPTED_KEY; (*new_auth_tok)->session_key.flags |= ECRYPTFS_CONTAINS_ENCRYPTED_KEY; (*new_auth_tok)->token_type = ECRYPTFS_PRIVATE_KEY; - (*new_auth_tok)->flags |= ECRYPTFS_PRIVATE_KEY; - /* TODO: Why are we setting this flag here? Don't we want the - * userspace to decrypt the session key? */ + (*new_auth_tok)->flags = 0; (*new_auth_tok)->session_key.flags &= ~(ECRYPTFS_USERSPACE_SHOULD_TRY_TO_DECRYPT); (*new_auth_tok)->session_key.flags &= @@ -658,22 +667,30 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat, (*packet_size) = 0; (*new_auth_tok) = NULL; - - /* we check that: - * one byte for the Tag 3 ID flag - * two bytes for the body size - * do not exceed the maximum_packet_size + /** + *This format is inspired by OpenPGP; see RFC 2440 + * packet tag 3 + * + * Tag 3 identifier (1 byte) + * Max Tag 3 packet size (max 3 bytes) + * Version (1 byte) + * Cipher code (1 byte) + * S2K specifier (1 byte) + * Hash identifier (1 byte) + * Salt (ECRYPTFS_SALT_SIZE) + * Hash iterations (1 byte) + * Encrypted key (arbitrary) + * + * (ECRYPTFS_SALT_SIZE + 7) minimum packet size */ - if (unlikely((*packet_size) + 3 > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + if (max_packet_size < (ECRYPTFS_SALT_SIZE + 7)) { + printk(KERN_ERR "Max packet size too large\n"); rc = -EINVAL; goto out; } - - /* check for Tag 3 identifyer - one byte */ if (data[(*packet_size)++] != ECRYPTFS_TAG_3_PACKET_TYPE) { - ecryptfs_printk(KERN_ERR, "Enter w/ first byte != 0x%.2x\n", - ECRYPTFS_TAG_3_PACKET_TYPE); + printk(KERN_ERR "First byte != 0x%.2x; invalid packet\n", + ECRYPTFS_TAG_3_PACKET_TYPE); rc = -EINVAL; goto out; } @@ -682,56 +699,37 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat, auth_tok_list_item = kmem_cache_zalloc(ecryptfs_auth_tok_list_item_cache, GFP_KERNEL); if (!auth_tok_list_item) { - ecryptfs_printk(KERN_ERR, "Unable to allocate memory\n"); + printk(KERN_ERR "Unable to allocate memory\n"); rc = -ENOMEM; goto out; } (*new_auth_tok) = &auth_tok_list_item->auth_tok; - - /* check for body size - one to two bytes */ rc = parse_packet_length(&data[(*packet_size)], &body_size, &length_size); if (rc) { - ecryptfs_printk(KERN_WARNING, "Error parsing packet length; " - "rc = [%d]\n", rc); + printk(KERN_WARNING "Error parsing packet length; rc = [%d]\n", + rc); goto out_free; } - if (unlikely(body_size < (0x05 + ECRYPTFS_SALT_SIZE))) { - ecryptfs_printk(KERN_WARNING, "Invalid body size ([%d])\n", - body_size); + if (unlikely(body_size < (ECRYPTFS_SALT_SIZE + 5))) { + printk(KERN_WARNING "Invalid body size ([%td])\n", body_size); rc = -EINVAL; goto out_free; } (*packet_size) += length_size; - - /* now we know the length of the remainting Tag 3 packet size: - * 5 fix bytes for: version string, cipher, S2K ID, hash algo, - * number of hash iterations - * ECRYPTFS_SALT_SIZE bytes for salt - * body_size bytes minus the stuff above is the encrypted key size - */ if (unlikely((*packet_size) + body_size > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + printk(KERN_ERR "Packet size exceeds max\n"); rc = -EINVAL; goto out_free; } - - /* There are 5 characters of additional information in the - * packet */ (*new_auth_tok)->session_key.encrypted_key_size = - body_size - (0x05 + ECRYPTFS_SALT_SIZE); - ecryptfs_printk(KERN_DEBUG, "Encrypted key size = [%d]\n", - (*new_auth_tok)->session_key.encrypted_key_size); - - /* Version 4 (from RFC2440) - one byte */ + (body_size - (ECRYPTFS_SALT_SIZE + 5)); if (unlikely(data[(*packet_size)++] != 0x04)) { - ecryptfs_printk(KERN_DEBUG, "Unknown version number " - "[%d]\n", data[(*packet_size) - 1]); + printk(KERN_WARNING "Unknown version number [%d]\n", + data[(*packet_size) - 1]); rc = -EINVAL; goto out_free; } - - /* cipher - one byte */ ecryptfs_cipher_code_to_string(crypt_stat->cipher, (u16)data[(*packet_size)]); /* A little extra work to differentiate among the AES key @@ -745,33 +743,26 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat, (*new_auth_tok)->session_key.encrypted_key_size; } ecryptfs_init_crypt_ctx(crypt_stat); - /* S2K identifier 3 (from RFC2440) */ if (unlikely(data[(*packet_size)++] != 0x03)) { - ecryptfs_printk(KERN_ERR, "Only S2K ID 3 is currently " - "supported\n"); + printk(KERN_WARNING "Only S2K ID 3 is currently supported\n"); rc = -ENOSYS; goto out_free; } - /* TODO: finish the hash mapping */ - /* hash algorithm - one byte */ switch (data[(*packet_size)++]) { case 0x01: /* See RFC2440 for these numbers and their mappings */ /* Choose MD5 */ - /* salt - ECRYPTFS_SALT_SIZE bytes */ memcpy((*new_auth_tok)->token.password.salt, &data[(*packet_size)], ECRYPTFS_SALT_SIZE); (*packet_size) += ECRYPTFS_SALT_SIZE; - /* This conversion was taken straight from RFC2440 */ - /* number of hash iterations - one byte */ (*new_auth_tok)->token.password.hash_iterations = ((u32) 16 + (data[(*packet_size)] & 15)) << ((data[(*packet_size)] >> 4) + 6); (*packet_size)++; - - /* encrypted session key - - * (body_size-5-ECRYPTFS_SALT_SIZE) bytes */ + /* Friendly reminder: + * (*new_auth_tok)->session_key.encrypted_key_size = + * (body_size - (ECRYPTFS_SALT_SIZE + 5)); */ memcpy((*new_auth_tok)->session_key.encrypted_key, &data[(*packet_size)], (*new_auth_tok)->session_key.encrypted_key_size); @@ -781,7 +772,7 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat, ~ECRYPTFS_CONTAINS_DECRYPTED_KEY; (*new_auth_tok)->session_key.flags |= ECRYPTFS_CONTAINS_ENCRYPTED_KEY; - (*new_auth_tok)->token.password.hash_algo = 0x01; + (*new_auth_tok)->token.password.hash_algo = 0x01; /* MD5 */ break; default: ecryptfs_printk(KERN_ERR, "Unsupported hash algorithm: " @@ -837,82 +828,61 @@ parse_tag_11_packet(unsigned char *data, unsigned char *contents, (*packet_size) = 0; (*tag_11_contents_size) = 0; - - /* check that: - * one byte for the Tag 11 ID flag - * two bytes for the Tag 11 length - * do not exceed the maximum_packet_size + /* This format is inspired by OpenPGP; see RFC 2440 + * packet tag 11 + * + * Tag 11 identifier (1 byte) + * Max Tag 11 packet size (max 3 bytes) + * Binary format specifier (1 byte) + * Filename length (1 byte) + * Filename ("_CONSOLE") (8 bytes) + * Modification date (4 bytes) + * Literal data (arbitrary) + * + * We need at least 16 bytes of data for the packet to even be + * valid. */ - if (unlikely((*packet_size) + 3 > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + if (max_packet_size < 16) { + printk(KERN_ERR "Maximum packet size too small\n"); rc = -EINVAL; goto out; } - - /* check for Tag 11 identifyer - one byte */ if (data[(*packet_size)++] != ECRYPTFS_TAG_11_PACKET_TYPE) { - ecryptfs_printk(KERN_WARNING, - "Invalid tag 11 packet format\n"); + printk(KERN_WARNING "Invalid tag 11 packet format\n"); rc = -EINVAL; goto out; } - - /* get Tag 11 content length - one or two bytes */ rc = parse_packet_length(&data[(*packet_size)], &body_size, &length_size); if (rc) { - ecryptfs_printk(KERN_WARNING, - "Invalid tag 11 packet format\n"); + printk(KERN_WARNING "Invalid tag 11 packet format\n"); goto out; } - (*packet_size) += length_size; - - if (body_size < 13) { - ecryptfs_printk(KERN_WARNING, "Invalid body size ([%d])\n", - body_size); + if (body_size < 14) { + printk(KERN_WARNING "Invalid body size ([%td])\n", body_size); rc = -EINVAL; goto out; } - /* We have 13 bytes of surrounding packet values */ - (*tag_11_contents_size) = (body_size - 13); - - /* now we know the length of the remainting Tag 11 packet size: - * 14 fix bytes for: special flag one, special flag two, - * 12 skipped bytes - * body_size bytes minus the stuff above is the Tag 11 content - */ - /* FIXME why is the body size one byte smaller than the actual - * size of the body? - * this seems to be an error here as well as in - * write_tag_11_packet() */ + (*packet_size) += length_size; + (*tag_11_contents_size) = (body_size - 14); if (unlikely((*packet_size) + body_size + 1 > max_packet_size)) { - ecryptfs_printk(KERN_ERR, "Packet size exceeds max\n"); + printk(KERN_ERR "Packet size exceeds max\n"); rc = -EINVAL; goto out; } - - /* special flag one - one byte */ if (data[(*packet_size)++] != 0x62) { - ecryptfs_printk(KERN_WARNING, "Unrecognizable packet\n"); + printk(KERN_WARNING "Unrecognizable packet\n"); rc = -EINVAL; goto out; } - - /* special flag two - one byte */ if (data[(*packet_size)++] != 0x08) { - ecryptfs_printk(KERN_WARNING, "Unrecognizable packet\n"); + printk(KERN_WARNING "Unrecognizable packet\n"); rc = -EINVAL; goto out; } - - /* skip the next 12 bytes */ - (*packet_size) += 12; /* We don't care about the filename or - * the timestamp */ - - /* get the Tag 11 contents - tag_11_contents_size bytes */ + (*packet_size) += 12; /* Ignore filename and modification date */ memcpy(contents, &data[(*packet_size)], (*tag_11_contents_size)); (*packet_size) += (*tag_11_contents_size); - out: if (rc) { (*packet_size) = 0; @@ -921,130 +891,229 @@ out: return rc; } +static int +ecryptfs_find_global_auth_tok_for_sig( + struct ecryptfs_global_auth_tok **global_auth_tok, + struct ecryptfs_mount_crypt_stat *mount_crypt_stat, char *sig) +{ + struct ecryptfs_global_auth_tok *walker; + int rc = 0; + + (*global_auth_tok) = NULL; + mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex); + list_for_each_entry(walker, + &mount_crypt_stat->global_auth_tok_list, + mount_crypt_stat_list) { + if (memcmp(walker->sig, sig, ECRYPTFS_SIG_SIZE_HEX) == 0) { + (*global_auth_tok) = walker; + goto out; + } + } + rc = -EINVAL; +out: + mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex); + return rc; +} + /** - * decrypt_session_key - Decrypt the session key with the given auth_tok. + * ecryptfs_verify_version + * @version: The version number to confirm * - * Returns Zero on success; non-zero error otherwise. + * Returns zero on good version; non-zero otherwise */ -static int decrypt_session_key(struct ecryptfs_auth_tok *auth_tok, - struct ecryptfs_crypt_stat *crypt_stat) +static int ecryptfs_verify_version(u16 version) { - struct ecryptfs_password *password_s_ptr; - struct scatterlist src_sg[2], dst_sg[2]; - struct mutex *tfm_mutex = NULL; - char *encrypted_session_key; - char *session_key; + int rc = 0; + unsigned char major; + unsigned char minor; + + major = ((version >> 8) & 0xFF); + minor = (version & 0xFF); + if (major != ECRYPTFS_VERSION_MAJOR) { + ecryptfs_printk(KERN_ERR, "Major version number mismatch. " + "Expected [%d]; got [%d]\n", + ECRYPTFS_VERSION_MAJOR, major); + rc = -EINVAL; + goto out; + } + if (minor != ECRYPTFS_VERSION_MINOR) { + ecryptfs_printk(KERN_ERR, "Minor version number mismatch. " + "Expected [%d]; got [%d]\n", + ECRYPTFS_VERSION_MINOR, minor); + rc = -EINVAL; + goto out; + } +out: + return rc; +} + +int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key, + struct ecryptfs_auth_tok **auth_tok, + char *sig) +{ + int rc = 0; + + (*auth_tok_key) = request_key(&key_type_user, sig, NULL); + if (!(*auth_tok_key) || IS_ERR(*auth_tok_key)) { + printk(KERN_ERR "Could not find key with description: [%s]\n", + sig); + process_request_key_err(PTR_ERR(*auth_tok_key)); + rc = -EINVAL; + goto out; + } + (*auth_tok) = ecryptfs_get_key_payload_data(*auth_tok_key); + if (ecryptfs_verify_version((*auth_tok)->version)) { + printk(KERN_ERR + "Data structure version mismatch. " + "Userspace tools must match eCryptfs " + "kernel module with major version [%d] " + "and minor version [%d]\n", + ECRYPTFS_VERSION_MAJOR, + ECRYPTFS_VERSION_MINOR); + rc = -EINVAL; + goto out; + } + if ((*auth_tok)->token_type != ECRYPTFS_PASSWORD + && (*auth_tok)->token_type != ECRYPTFS_PRIVATE_KEY) { + printk(KERN_ERR "Invalid auth_tok structure " + "returned from key query\n"); + rc = -EINVAL; + goto out; + } +out: + return rc; +} + +/** + * ecryptfs_find_auth_tok_for_sig + * @auth_tok: Set to the matching auth_tok; NULL if not found + * @crypt_stat: inode crypt_stat crypto context + * @sig: Sig of auth_tok to find + * + * For now, this function simply looks at the registered auth_tok's + * linked off the mount_crypt_stat, so all the auth_toks that can be + * used must be registered at mount time. This function could + * potentially try a lot harder to find auth_tok's (e.g., by calling + * out to ecryptfsd to dynamically retrieve an auth_tok object) so + * that static registration of auth_tok's will no longer be necessary. + * + * Returns zero on no error; non-zero on error + */ +static int +ecryptfs_find_auth_tok_for_sig( + struct ecryptfs_auth_tok **auth_tok, + struct ecryptfs_crypt_stat *crypt_stat, char *sig) +{ + struct ecryptfs_mount_crypt_stat *mount_crypt_stat = + crypt_stat->mount_crypt_stat; + struct ecryptfs_global_auth_tok *global_auth_tok; + int rc = 0; + + (*auth_tok) = NULL; + if (ecryptfs_find_global_auth_tok_for_sig(&global_auth_tok, + mount_crypt_stat, sig)) { + struct key *auth_tok_key; + + rc = ecryptfs_keyring_auth_tok_for_sig(&auth_tok_key, auth_tok, + sig); + } else + (*auth_tok) = global_auth_tok->global_auth_tok; + return rc; +} + +/** + * decrypt_passphrase_encrypted_session_key - Decrypt the session key with the given auth_tok. + * @auth_tok: The passphrase authentication token to use to encrypt the FEK + * @crypt_stat: The cryptographic context + * + * Returns zero on success; non-zero error otherwise + */ +static int +decrypt_passphrase_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, + struct ecryptfs_crypt_stat *crypt_stat) +{ + struct scatterlist dst_sg; + struct scatterlist src_sg; + struct mutex *tfm_mutex; struct blkcipher_desc desc = { .flags = CRYPTO_TFM_REQ_MAY_SLEEP }; int rc = 0; - password_s_ptr = &auth_tok->token.password; - if (password_s_ptr->flags & ECRYPTFS_SESSION_KEY_ENCRYPTION_KEY_SET) - ecryptfs_printk(KERN_DEBUG, "Session key encryption key " - "set; skipping key generation\n"); - ecryptfs_printk(KERN_DEBUG, "Session key encryption key (size [%d])" - ":\n", - password_s_ptr->session_key_encryption_key_bytes); - if (ecryptfs_verbosity > 0) - ecryptfs_dump_hex(password_s_ptr->session_key_encryption_key, - password_s_ptr-> - session_key_encryption_key_bytes); - if (!strcmp(crypt_stat->cipher, - crypt_stat->mount_crypt_stat->global_default_cipher_name) - && crypt_stat->mount_crypt_stat->global_key_tfm) { - desc.tfm = crypt_stat->mount_crypt_stat->global_key_tfm; - tfm_mutex = &crypt_stat->mount_crypt_stat->global_key_tfm_mutex; - } else { - char *full_alg_name; - - rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name, - crypt_stat->cipher, - "ecb"); - if (rc) - goto out; - desc.tfm = crypto_alloc_blkcipher(full_alg_name, 0, - CRYPTO_ALG_ASYNC); - kfree(full_alg_name); - if (IS_ERR(desc.tfm)) { - rc = PTR_ERR(desc.tfm); - printk(KERN_ERR "Error allocating crypto context; " - "rc = [%d]\n", rc); - goto out; - } - crypto_blkcipher_set_flags(desc.tfm, CRYPTO_TFM_REQ_WEAK_KEY); + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk( + KERN_DEBUG, "Session key encryption key (size [%d]):\n", + auth_tok->token.password.session_key_encryption_key_bytes); + ecryptfs_dump_hex( + auth_tok->token.password.session_key_encryption_key, + auth_tok->token.password.session_key_encryption_key_bytes); + } + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex, + crypt_stat->cipher); + if (unlikely(rc)) { + printk(KERN_ERR "Internal error whilst attempting to get " + "tfm and mutex for cipher name [%s]; rc = [%d]\n", + crypt_stat->cipher, rc); + goto out; } - if (tfm_mutex) - mutex_lock(tfm_mutex); - rc = crypto_blkcipher_setkey(desc.tfm, - password_s_ptr->session_key_encryption_key, - crypt_stat->key_size); - if (rc < 0) { + rc = virt_to_scatterlist(auth_tok->session_key.encrypted_key, + auth_tok->session_key.encrypted_key_size, + &src_sg, 1); + if (rc != 1) { + printk(KERN_ERR "Internal error whilst attempting to convert " + "auth_tok->session_key.encrypted_key to scatterlist; " + "expected rc = 1; got rc = [%d]. " + "auth_tok->session_key.encrypted_key_size = [%d]\n", rc, + auth_tok->session_key.encrypted_key_size); + goto out; + } + auth_tok->session_key.decrypted_key_size = + auth_tok->session_key.encrypted_key_size; + rc = virt_to_scatterlist(auth_tok->session_key.decrypted_key, + auth_tok->session_key.decrypted_key_size, + &dst_sg, 1); + if (rc != 1) { + printk(KERN_ERR "Internal error whilst attempting to convert " + "auth_tok->session_key.decrypted_key to scatterlist; " + "expected rc = 1; got rc = [%d]\n", rc); + goto out; + } + mutex_lock(tfm_mutex); + rc = crypto_blkcipher_setkey( + desc.tfm, auth_tok->token.password.session_key_encryption_key, + crypt_stat->key_size); + if (unlikely(rc < 0)) { + mutex_unlock(tfm_mutex); printk(KERN_ERR "Error setting key for crypto context\n"); rc = -EINVAL; - goto out_free_tfm; - } - /* TODO: virt_to_scatterlist */ - encrypted_session_key = (char *)__get_free_page(GFP_KERNEL); - if (!encrypted_session_key) { - ecryptfs_printk(KERN_ERR, "Out of memory\n"); - rc = -ENOMEM; - goto out_free_tfm; + goto out; } - session_key = (char *)__get_free_page(GFP_KERNEL); - if (!session_key) { - kfree(encrypted_session_key); - ecryptfs_printk(KERN_ERR, "Out of memory\n"); - rc = -ENOMEM; - goto out_free_tfm; - } - memcpy(encrypted_session_key, auth_tok->session_key.encrypted_key, - auth_tok->session_key.encrypted_key_size); - src_sg[0].page = virt_to_page(encrypted_session_key); - src_sg[0].offset = 0; - BUG_ON(auth_tok->session_key.encrypted_key_size > PAGE_CACHE_SIZE); - src_sg[0].length = auth_tok->session_key.encrypted_key_size; - dst_sg[0].page = virt_to_page(session_key); - dst_sg[0].offset = 0; - auth_tok->session_key.decrypted_key_size = - auth_tok->session_key.encrypted_key_size; - dst_sg[0].length = auth_tok->session_key.encrypted_key_size; - rc = crypto_blkcipher_decrypt(&desc, dst_sg, src_sg, + rc = crypto_blkcipher_decrypt(&desc, &dst_sg, &src_sg, auth_tok->session_key.encrypted_key_size); - if (rc) { + mutex_unlock(tfm_mutex); + if (unlikely(rc)) { printk(KERN_ERR "Error decrypting; rc = [%d]\n", rc); - goto out_free_memory; + goto out; } - auth_tok->session_key.decrypted_key_size = - auth_tok->session_key.encrypted_key_size; - memcpy(auth_tok->session_key.decrypted_key, session_key, - auth_tok->session_key.decrypted_key_size); auth_tok->session_key.flags |= ECRYPTFS_CONTAINS_DECRYPTED_KEY; memcpy(crypt_stat->key, auth_tok->session_key.decrypted_key, auth_tok->session_key.decrypted_key_size); crypt_stat->flags |= ECRYPTFS_KEY_VALID; - ecryptfs_printk(KERN_DEBUG, "Decrypted session key:\n"); - if (ecryptfs_verbosity > 0) + if (unlikely(ecryptfs_verbosity > 0)) { + ecryptfs_printk(KERN_DEBUG, "FEK of size [%d]:\n", + crypt_stat->key_size); ecryptfs_dump_hex(crypt_stat->key, crypt_stat->key_size); -out_free_memory: - memset(encrypted_session_key, 0, PAGE_CACHE_SIZE); - free_page((unsigned long)encrypted_session_key); - memset(session_key, 0, PAGE_CACHE_SIZE); - free_page((unsigned long)session_key); -out_free_tfm: - if (tfm_mutex) - mutex_unlock(tfm_mutex); - else - crypto_free_blkcipher(desc.tfm); + } out: return rc; } /** * ecryptfs_parse_packet_set - * @dest: The header page in memory - * @version: Version of file format, to guide parsing behavior + * @crypt_stat: The cryptographic context + * @src: Virtual address of region of memory containing the packets + * @ecryptfs_dentry: The eCryptfs dentry associated with the packet set * * Get crypt_stat to have the file's session key if the requisite key * is available to decrypt the session key. @@ -1058,25 +1127,22 @@ int ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, struct dentry *ecryptfs_dentry) { size_t i = 0; - size_t found_auth_tok = 0; + size_t found_auth_tok; size_t next_packet_is_auth_tok_packet; - char sig[ECRYPTFS_SIG_SIZE_HEX]; struct list_head auth_tok_list; - struct list_head *walker; - struct ecryptfs_auth_tok *chosen_auth_tok = NULL; - struct ecryptfs_mount_crypt_stat *mount_crypt_stat = - &ecryptfs_superblock_to_private( - ecryptfs_dentry->d_sb)->mount_crypt_stat; - struct ecryptfs_auth_tok *candidate_auth_tok = NULL; + struct ecryptfs_auth_tok *matching_auth_tok; + struct ecryptfs_auth_tok *candidate_auth_tok; + char *candidate_auth_tok_sig; size_t packet_size; struct ecryptfs_auth_tok *new_auth_tok; unsigned char sig_tmp_space[ECRYPTFS_SIG_SIZE]; + struct ecryptfs_auth_tok_list_item *auth_tok_list_item; size_t tag_11_contents_size; size_t tag_11_packet_size; int rc = 0; INIT_LIST_HEAD(&auth_tok_list); - /* Parse the header to find as many packets as we can, these will be + /* Parse the header to find as many packets as we can; these will be * added the our &auth_tok_list */ next_packet_is_auth_tok_packet = 1; while (next_packet_is_auth_tok_packet) { @@ -1155,73 +1221,85 @@ int ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, } } if (list_empty(&auth_tok_list)) { - rc = -EINVAL; /* Do not support non-encrypted files in - * the 0.1 release */ + printk(KERN_ERR "The lower file appears to be a non-encrypted " + "eCryptfs file; this is not supported in this version " + "of the eCryptfs kernel module\n"); + rc = -EINVAL; goto out; } - /* If we have a global auth tok, then we should try to use - * it */ - if (mount_crypt_stat->global_auth_tok) { - memcpy(sig, mount_crypt_stat->global_auth_tok_sig, - ECRYPTFS_SIG_SIZE_HEX); - chosen_auth_tok = mount_crypt_stat->global_auth_tok; - } else - BUG(); /* We should always have a global auth tok in - * the 0.1 release */ - /* Scan list to see if our chosen_auth_tok works */ - list_for_each(walker, &auth_tok_list) { - struct ecryptfs_auth_tok_list_item *auth_tok_list_item; - auth_tok_list_item = - list_entry(walker, struct ecryptfs_auth_tok_list_item, - list); + /* auth_tok_list contains the set of authentication tokens + * parsed from the metadata. We need to find a matching + * authentication token that has the secret component(s) + * necessary to decrypt the EFEK in the auth_tok parsed from + * the metadata. There may be several potential matches, but + * just one will be sufficient to decrypt to get the FEK. */ +find_next_matching_auth_tok: + found_auth_tok = 0; + list_for_each_entry(auth_tok_list_item, &auth_tok_list, list) { candidate_auth_tok = &auth_tok_list_item->auth_tok; if (unlikely(ecryptfs_verbosity > 0)) { ecryptfs_printk(KERN_DEBUG, "Considering cadidate auth tok:\n"); ecryptfs_dump_auth_tok(candidate_auth_tok); } - /* TODO: Replace ECRYPTFS_SIG_SIZE_HEX w/ dynamic value */ - if (candidate_auth_tok->token_type == ECRYPTFS_PASSWORD - && !strncmp(candidate_auth_tok->token.password.signature, - sig, ECRYPTFS_SIG_SIZE_HEX)) { - found_auth_tok = 1; - goto leave_list; - /* TODO: Transfer the common salt into the - * crypt_stat salt */ - } else if ((candidate_auth_tok->token_type - == ECRYPTFS_PRIVATE_KEY) - && !strncmp(candidate_auth_tok->token.private_key.signature, - sig, ECRYPTFS_SIG_SIZE_HEX)) { + rc = ecryptfs_get_auth_tok_sig(&candidate_auth_tok_sig, + candidate_auth_tok); + if (rc) { + printk(KERN_ERR + "Unrecognized candidate auth tok type: [%d]\n", + candidate_auth_tok->token_type); + rc = -EINVAL; + goto out_wipe_list; + } + ecryptfs_find_auth_tok_for_sig(&matching_auth_tok, crypt_stat, + candidate_auth_tok_sig); + if (matching_auth_tok) { found_auth_tok = 1; - goto leave_list; + goto found_matching_auth_tok; } } if (!found_auth_tok) { - ecryptfs_printk(KERN_ERR, "Could not find authentication " - "token on temporary list for sig [%.*s]\n", - ECRYPTFS_SIG_SIZE_HEX, sig); + ecryptfs_printk(KERN_ERR, "Could not find a usable " + "authentication token\n"); rc = -EIO; goto out_wipe_list; } -leave_list: - rc = -ENOTSUPP; +found_matching_auth_tok: if (candidate_auth_tok->token_type == ECRYPTFS_PRIVATE_KEY) { memcpy(&(candidate_auth_tok->token.private_key), - &(chosen_auth_tok->token.private_key), + &(matching_auth_tok->token.private_key), sizeof(struct ecryptfs_private_key)); - rc = decrypt_pki_encrypted_session_key(mount_crypt_stat, - candidate_auth_tok, + rc = decrypt_pki_encrypted_session_key(candidate_auth_tok, crypt_stat); } else if (candidate_auth_tok->token_type == ECRYPTFS_PASSWORD) { memcpy(&(candidate_auth_tok->token.password), - &(chosen_auth_tok->token.password), + &(matching_auth_tok->token.password), sizeof(struct ecryptfs_password)); - rc = decrypt_session_key(candidate_auth_tok, crypt_stat); + rc = decrypt_passphrase_encrypted_session_key( + candidate_auth_tok, crypt_stat); } if (rc) { - ecryptfs_printk(KERN_ERR, "Error decrypting the " - "session key; rc = [%d]\n", rc); - goto out_wipe_list; + struct ecryptfs_auth_tok_list_item *auth_tok_list_item_tmp; + + ecryptfs_printk(KERN_WARNING, "Error decrypting the " + "session key for authentication token with sig " + "[%.*s]; rc = [%d]. Removing auth tok " + "candidate from the list and searching for " + "the next match.\n", candidate_auth_tok_sig, + ECRYPTFS_SIG_SIZE_HEX, rc); + list_for_each_entry_safe(auth_tok_list_item, + auth_tok_list_item_tmp, + &auth_tok_list, list) { + if (candidate_auth_tok + == &auth_tok_list_item->auth_tok) { + list_del(&auth_tok_list_item->list); + kmem_cache_free( + ecryptfs_auth_tok_list_item_cache, + auth_tok_list_item); + goto find_next_matching_auth_tok; + } + } + BUG(); } rc = ecryptfs_compute_root_iv(crypt_stat); if (rc) { @@ -1240,6 +1318,7 @@ out_wipe_list: out: return rc; } + static int pki_encrypt_session_key(struct ecryptfs_auth_tok *auth_tok, struct ecryptfs_crypt_stat *crypt_stat, @@ -1284,22 +1363,25 @@ out: /** * write_tag_1_packet - Write an RFC2440-compatible tag 1 (public key) packet * @dest: Buffer into which to write the packet - * @max: Maximum number of bytes that can be writtn + * @remaining_bytes: Maximum number of bytes that can be writtn + * @auth_tok: The authentication token used for generating the tag 1 packet + * @crypt_stat: The cryptographic context + * @key_rec: The key record struct for the tag 1 packet * @packet_size: This function will write the number of bytes that end * up constituting the packet; set to zero on error * * Returns zero on success; non-zero on error. */ static int -write_tag_1_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, +write_tag_1_packet(char *dest, size_t *remaining_bytes, + struct ecryptfs_auth_tok *auth_tok, struct ecryptfs_crypt_stat *crypt_stat, - struct ecryptfs_mount_crypt_stat *mount_crypt_stat, struct ecryptfs_key_record *key_rec, size_t *packet_size) { size_t i; size_t encrypted_session_key_valid = 0; - size_t key_rec_size; size_t packet_size_length; + size_t max_packet_size; int rc = 0; (*packet_size) = 0; @@ -1329,37 +1411,23 @@ write_tag_1_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, ecryptfs_dump_hex(key_rec->enc_key, key_rec->enc_key_size); } encrypted_session_key_set: - /* Now we have a valid key_rec. Append it to the - * key_rec set. */ - key_rec_size = (sizeof(struct ecryptfs_key_record) - - ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES - + (key_rec->enc_key_size)); - /* TODO: Include a packet size limit as a parameter to this - * function once we have multi-packet headers (for versions - * later than 0.1 */ - if (key_rec_size >= ECRYPTFS_MAX_KEYSET_SIZE) { - ecryptfs_printk(KERN_ERR, "Keyset too large\n"); - rc = -EINVAL; - goto out; - } - /* ***** TAG 1 Packet Format ***** - * | version number | 1 byte | - * | key ID | 8 bytes | - * | public key algorithm | 1 byte | - * | encrypted session key | arbitrary | - */ - if ((0x02 + ECRYPTFS_SIG_SIZE + key_rec->enc_key_size) >= max) { - ecryptfs_printk(KERN_ERR, - "Authentication token is too large\n"); + /* This format is inspired by OpenPGP; see RFC 2440 + * packet tag 1 */ + max_packet_size = (1 /* Tag 1 identifier */ + + 3 /* Max Tag 1 packet size */ + + 1 /* Version */ + + ECRYPTFS_SIG_SIZE /* Key identifier */ + + 1 /* Cipher identifier */ + + key_rec->enc_key_size); /* Encrypted key size */ + if (max_packet_size > (*remaining_bytes)) { + printk(KERN_ERR "Packet length larger than maximum allowable; " + "need up to [%td] bytes, but there are only [%td] " + "available\n", max_packet_size, (*remaining_bytes)); rc = -EINVAL; goto out; } dest[(*packet_size)++] = ECRYPTFS_TAG_1_PACKET_TYPE; - /* This format is inspired by OpenPGP; see RFC 2440 - * packet tag 1 */ - rc = write_packet_length(&dest[(*packet_size)], - (0x02 + ECRYPTFS_SIG_SIZE + - key_rec->enc_key_size), + rc = write_packet_length(&dest[(*packet_size)], (max_packet_size - 4), &packet_size_length); if (rc) { ecryptfs_printk(KERN_ERR, "Error generating tag 1 packet " @@ -1377,13 +1445,15 @@ encrypted_session_key_set: out: if (rc) (*packet_size) = 0; + else + (*remaining_bytes) -= (*packet_size); return rc; } /** * write_tag_11_packet * @dest: Target into which Tag 11 packet is to be written - * @max: Maximum packet length + * @remaining_bytes: Maximum packet length * @contents: Byte array of contents to copy in * @contents_length: Number of bytes in contents * @packet_length: Length of the Tag 11 packet written; zero on error @@ -1391,54 +1461,59 @@ out: * Returns zero on success; non-zero on error. */ static int -write_tag_11_packet(char *dest, int max, char *contents, size_t contents_length, - size_t *packet_length) +write_tag_11_packet(char *dest, size_t *remaining_bytes, char *contents, + size_t contents_length, size_t *packet_length) { size_t packet_size_length; + size_t max_packet_size; int rc = 0; (*packet_length) = 0; - if ((13 + contents_length) > max) { + /* This format is inspired by OpenPGP; see RFC 2440 + * packet tag 11 */ + max_packet_size = (1 /* Tag 11 identifier */ + + 3 /* Max Tag 11 packet size */ + + 1 /* Binary format specifier */ + + 1 /* Filename length */ + + 8 /* Filename ("_CONSOLE") */ + + 4 /* Modification date */ + + contents_length); /* Literal data */ + if (max_packet_size > (*remaining_bytes)) { + printk(KERN_ERR "Packet length larger than maximum allowable; " + "need up to [%td] bytes, but there are only [%td] " + "available\n", max_packet_size, (*remaining_bytes)); rc = -EINVAL; - ecryptfs_printk(KERN_ERR, "Packet length larger than " - "maximum allowable\n"); goto out; } - /* General packet header */ - /* Packet tag */ dest[(*packet_length)++] = ECRYPTFS_TAG_11_PACKET_TYPE; - /* Packet length */ rc = write_packet_length(&dest[(*packet_length)], - (13 + contents_length), &packet_size_length); + (max_packet_size - 4), &packet_size_length); if (rc) { - ecryptfs_printk(KERN_ERR, "Error generating tag 11 packet " - "header; cannot generate packet length\n"); + printk(KERN_ERR "Error generating tag 11 packet header; cannot " + "generate packet length. rc = [%d]\n", rc); goto out; } (*packet_length) += packet_size_length; - /* Tag 11 specific */ - /* One-octet field that describes how the data is formatted */ - dest[(*packet_length)++] = 0x62; /* binary data */ - /* One-octet filename length followed by filename */ + dest[(*packet_length)++] = 0x62; /* binary data format specifier */ dest[(*packet_length)++] = 8; memcpy(&dest[(*packet_length)], "_CONSOLE", 8); (*packet_length) += 8; - /* Four-octet number indicating modification date */ memset(&dest[(*packet_length)], 0x00, 4); (*packet_length) += 4; - /* Remainder is literal data */ memcpy(&dest[(*packet_length)], contents, contents_length); (*packet_length) += contents_length; out: if (rc) (*packet_length) = 0; + else + (*remaining_bytes) -= (*packet_length); return rc; } /** * write_tag_3_packet * @dest: Buffer into which to write the packet - * @max: Maximum number of bytes that can be written + * @remaining_bytes: Maximum number of bytes that can be written * @auth_tok: Authentication token * @crypt_stat: The cryptographic context * @key_rec: encrypted key @@ -1448,19 +1523,22 @@ write_tag_11_packet(char *dest, int max, char *contents, size_t contents_length, * Returns zero on success; non-zero on error. */ static int -write_tag_3_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, +write_tag_3_packet(char *dest, size_t *remaining_bytes, + struct ecryptfs_auth_tok *auth_tok, struct ecryptfs_crypt_stat *crypt_stat, struct ecryptfs_key_record *key_rec, size_t *packet_size) { size_t i; size_t encrypted_session_key_valid = 0; char session_key_encryption_key[ECRYPTFS_MAX_KEY_BYTES]; - struct scatterlist dest_sg[2]; - struct scatterlist src_sg[2]; + struct scatterlist dst_sg; + struct scatterlist src_sg; struct mutex *tfm_mutex = NULL; - size_t key_rec_size; - size_t packet_size_length; size_t cipher_code; + size_t packet_size_length; + size_t max_packet_size; + struct ecryptfs_mount_crypt_stat *mount_crypt_stat = + crypt_stat->mount_crypt_stat; struct blkcipher_desc desc = { .tfm = NULL, .flags = CRYPTO_TFM_REQ_MAY_SLEEP @@ -1470,16 +1548,25 @@ write_tag_3_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, (*packet_size) = 0; ecryptfs_from_hex(key_rec->sig, auth_tok->token.password.signature, ECRYPTFS_SIG_SIZE); - encrypted_session_key_valid = 0; - for (i = 0; i < crypt_stat->key_size; i++) - encrypted_session_key_valid |= - auth_tok->session_key.encrypted_key[i]; - if (encrypted_session_key_valid) { - memcpy(key_rec->enc_key, - auth_tok->session_key.encrypted_key, - auth_tok->session_key.encrypted_key_size); - goto encrypted_session_key_set; + rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex, + crypt_stat->cipher); + if (unlikely(rc)) { + printk(KERN_ERR "Internal error whilst attempting to get " + "tfm and mutex for cipher name [%s]; rc = [%d]\n", + crypt_stat->cipher, rc); + goto out; + } + if (mount_crypt_stat->global_default_cipher_key_size == 0) { + struct blkcipher_alg *alg = crypto_blkcipher_alg(desc.tfm); + + printk(KERN_WARNING "No key size specified at mount; " + "defaulting to [%d]\n", alg->max_keysize); + mount_crypt_stat->global_default_cipher_key_size = + alg->max_keysize; } + if (crypt_stat->key_size == 0) + crypt_stat->key_size = + mount_crypt_stat->global_default_cipher_key_size; if (auth_tok->session_key.encrypted_key_size == 0) auth_tok->session_key.encrypted_key_size = crypt_stat->key_size; @@ -1487,9 +1574,24 @@ write_tag_3_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, && strcmp("aes", crypt_stat->cipher) == 0) { memset((crypt_stat->key + 24), 0, 8); auth_tok->session_key.encrypted_key_size = 32; - } + } else + auth_tok->session_key.encrypted_key_size = crypt_stat->key_size; key_rec->enc_key_size = auth_tok->session_key.encrypted_key_size; + encrypted_session_key_valid = 0; + for (i = 0; i < auth_tok->session_key.encrypted_key_size; i++) + encrypted_session_key_valid |= + auth_tok->session_key.encrypted_key[i]; + if (encrypted_session_key_valid) { + ecryptfs_printk(KERN_DEBUG, "encrypted_session_key_valid != 0; " + "using auth_tok->session_key.encrypted_key, " + "where key_rec->enc_key_size = [%d]\n", + key_rec->enc_key_size); + memcpy(key_rec->enc_key, + auth_tok->session_key.encrypted_key, + key_rec->enc_key_size); + goto encrypted_session_key_set; + } if (auth_tok->token.password.flags & ECRYPTFS_SESSION_KEY_ENCRYPTION_KEY_SET) { ecryptfs_printk(KERN_DEBUG, "Using previously generated " @@ -1508,54 +1610,32 @@ write_tag_3_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, ecryptfs_printk(KERN_DEBUG, "Session key encryption key:\n"); ecryptfs_dump_hex(session_key_encryption_key, 16); } - rc = virt_to_scatterlist(crypt_stat->key, - key_rec->enc_key_size, src_sg, 2); - if (!rc) { + rc = virt_to_scatterlist(crypt_stat->key, key_rec->enc_key_size, + &src_sg, 1); + if (rc != 1) { ecryptfs_printk(KERN_ERR, "Error generating scatterlist " - "for crypt_stat session key\n"); + "for crypt_stat session key; expected rc = 1; " + "got rc = [%d]. key_rec->enc_key_size = [%d]\n", + rc, key_rec->enc_key_size); rc = -ENOMEM; goto out; } - rc = virt_to_scatterlist(key_rec->enc_key, - key_rec->enc_key_size, dest_sg, 2); - if (!rc) { + rc = virt_to_scatterlist(key_rec->enc_key, key_rec->enc_key_size, + &dst_sg, 1); + if (rc != 1) { ecryptfs_printk(KERN_ERR, "Error generating scatterlist " - "for crypt_stat encrypted session key\n"); + "for crypt_stat encrypted session key; " + "expected rc = 1; got rc = [%d]. " + "key_rec->enc_key_size = [%d]\n", rc, + key_rec->enc_key_size); rc = -ENOMEM; goto out; } - if (!strcmp(crypt_stat->cipher, - crypt_stat->mount_crypt_stat->global_default_cipher_name) - && crypt_stat->mount_crypt_stat->global_key_tfm) { - desc.tfm = crypt_stat->mount_crypt_stat->global_key_tfm; - tfm_mutex = &crypt_stat->mount_crypt_stat->global_key_tfm_mutex; - } else { - char *full_alg_name; - - rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name, - crypt_stat->cipher, - "ecb"); - if (rc) - goto out; - desc.tfm = crypto_alloc_blkcipher(full_alg_name, 0, - CRYPTO_ALG_ASYNC); - kfree(full_alg_name); - if (IS_ERR(desc.tfm)) { - rc = PTR_ERR(desc.tfm); - ecryptfs_printk(KERN_ERR, "Could not initialize crypto " - "context for cipher [%s]; rc = [%d]\n", - crypt_stat->cipher, rc); - goto out; - } - crypto_blkcipher_set_flags(desc.tfm, CRYPTO_TFM_REQ_WEAK_KEY); - } - if (tfm_mutex) - mutex_lock(tfm_mutex); + mutex_lock(tfm_mutex); rc = crypto_blkcipher_setkey(desc.tfm, session_key_encryption_key, crypt_stat->key_size); if (rc < 0) { - if (tfm_mutex) - mutex_unlock(tfm_mutex); + mutex_unlock(tfm_mutex); ecryptfs_printk(KERN_ERR, "Error setting key for crypto " "context; rc = [%d]\n", rc); goto out; @@ -1563,56 +1643,53 @@ write_tag_3_packet(char *dest, size_t max, struct ecryptfs_auth_tok *auth_tok, rc = 0; ecryptfs_printk(KERN_DEBUG, "Encrypting [%d] bytes of the key\n", crypt_stat->key_size); - rc = crypto_blkcipher_encrypt(&desc, dest_sg, src_sg, + rc = crypto_blkcipher_encrypt(&desc, &dst_sg, &src_sg, (*key_rec).enc_key_size); + mutex_unlock(tfm_mutex); if (rc) { printk(KERN_ERR "Error encrypting; rc = [%d]\n", rc); goto out; } - if (tfm_mutex) - mutex_unlock(tfm_mutex); ecryptfs_printk(KERN_DEBUG, "This should be the encrypted key:\n"); - if (ecryptfs_verbosity > 0) + if (ecryptfs_verbosity > 0) { + ecryptfs_printk(KERN_DEBUG, "EFEK of size [%d]:\n", + key_rec->enc_key_size); ecryptfs_dump_hex(key_rec->enc_key, key_rec->enc_key_size); -encrypted_session_key_set: - /* Now we have a valid key_rec. Append it to the - * key_rec set. */ - key_rec_size = (sizeof(struct ecryptfs_key_record) - - ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES - + (key_rec->enc_key_size)); - /* TODO: Include a packet size limit as a parameter to this - * function once we have multi-packet headers (for versions - * later than 0.1 */ - if (key_rec_size >= ECRYPTFS_MAX_KEYSET_SIZE) { - ecryptfs_printk(KERN_ERR, "Keyset too large\n"); - rc = -EINVAL; - goto out; } - /* TODO: Packet size limit */ - /* We have 5 bytes of surrounding packet data */ - if ((0x05 + ECRYPTFS_SALT_SIZE - + key_rec->enc_key_size) >= max) { - ecryptfs_printk(KERN_ERR, "Authentication token is too " - "large\n"); +encrypted_session_key_set: + /* This format is inspired by OpenPGP; see RFC 2440 + * packet tag 3 */ + max_packet_size = (1 /* Tag 3 identifier */ + + 3 /* Max Tag 3 packet size */ + + 1 /* Version */ + + 1 /* Cipher code */ + + 1 /* S2K specifier */ + + 1 /* Hash identifier */ + + ECRYPTFS_SALT_SIZE /* Salt */ + + 1 /* Hash iterations */ + + key_rec->enc_key_size); /* Encrypted key size */ + if (max_packet_size > (*remaining_bytes)) { + printk(KERN_ERR "Packet too large; need up to [%td] bytes, but " + "there are only [%td] available\n", max_packet_size, + (*remaining_bytes)); rc = -EINVAL; goto out; } - /* This format is inspired by OpenPGP; see RFC 2440 - * packet tag 3 */ dest[(*packet_size)++] = ECRYPTFS_TAG_3_PACKET_TYPE; - /* ver+cipher+s2k+hash+salt+iter+enc_key */ - rc = write_packet_length(&dest[(*packet_size)], - (0x05 + ECRYPTFS_SALT_SIZE - + key_rec->enc_key_size), + /* Chop off the Tag 3 identifier(1) and Tag 3 packet size(3) + * to get the number of octets in the actual Tag 3 packet */ + rc = write_packet_length(&dest[(*packet_size)], (max_packet_size - 4), &packet_size_length); if (rc) { - ecryptfs_printk(KERN_ERR, "Error generating tag 3 packet " - "header; cannot generate packet length\n"); + printk(KERN_ERR "Error generating tag 3 packet header; cannot " + "generate packet length. rc = [%d]\n", rc); goto out; } (*packet_size) += packet_size_length; dest[(*packet_size)++] = 0x04; /* version 4 */ + /* TODO: Break from RFC2440 so that arbitrary ciphers can be + * specified with strings */ cipher_code = ecryptfs_code_for_cipher_string(crypt_stat); if (cipher_code == 0) { ecryptfs_printk(KERN_WARNING, "Unable to generate code for " @@ -1631,10 +1708,10 @@ encrypted_session_key_set: key_rec->enc_key_size); (*packet_size) += key_rec->enc_key_size; out: - if (desc.tfm && !tfm_mutex) - crypto_free_blkcipher(desc.tfm); if (rc) (*packet_size) = 0; + else + (*remaining_bytes) -= (*packet_size); return rc; } @@ -1642,7 +1719,7 @@ struct kmem_cache *ecryptfs_key_record_cache; /** * ecryptfs_generate_key_packet_set - * @dest: Virtual address from which to write the key record set + * @dest_base: Virtual address from which to write the key record set * @crypt_stat: The cryptographic context from which the * authentication tokens will be retrieved * @ecryptfs_dentry: The dentry, used to retrieve the mount crypt stat @@ -1662,24 +1739,43 @@ ecryptfs_generate_key_packet_set(char *dest_base, size_t max) { struct ecryptfs_auth_tok *auth_tok; + struct ecryptfs_global_auth_tok *global_auth_tok; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private( ecryptfs_dentry->d_sb)->mount_crypt_stat; size_t written; struct ecryptfs_key_record *key_rec; + struct ecryptfs_key_sig *key_sig; int rc = 0; (*len) = 0; + mutex_lock(&crypt_stat->keysig_list_mutex); key_rec = kmem_cache_alloc(ecryptfs_key_record_cache, GFP_KERNEL); if (!key_rec) { rc = -ENOMEM; goto out; } - if (mount_crypt_stat->global_auth_tok) { - auth_tok = mount_crypt_stat->global_auth_tok; + list_for_each_entry(key_sig, &crypt_stat->keysig_list, + crypt_stat_list) { + memset(key_rec, 0, sizeof(*key_rec)); + rc = ecryptfs_find_global_auth_tok_for_sig(&global_auth_tok, + mount_crypt_stat, + key_sig->keysig); + if (rc) { + printk(KERN_ERR "Error attempting to get the global " + "auth_tok; rc = [%d]\n", rc); + goto out_free; + } + if (global_auth_tok->flags & ECRYPTFS_AUTH_TOK_INVALID) { + printk(KERN_WARNING + "Skipping invalid auth tok with sig = [%s]\n", + global_auth_tok->sig); + continue; + } + auth_tok = global_auth_tok->global_auth_tok; if (auth_tok->token_type == ECRYPTFS_PASSWORD) { rc = write_tag_3_packet((dest_base + (*len)), - max, auth_tok, + &max, auth_tok, crypt_stat, key_rec, &written); if (rc) { @@ -1689,10 +1785,9 @@ ecryptfs_generate_key_packet_set(char *dest_base, } (*len) += written; /* Write auth tok signature packet */ - rc = write_tag_11_packet( - (dest_base + (*len)), - (max - (*len)), - key_rec->sig, ECRYPTFS_SIG_SIZE, &written); + rc = write_tag_11_packet((dest_base + (*len)), &max, + key_rec->sig, + ECRYPTFS_SIG_SIZE, &written); if (rc) { ecryptfs_printk(KERN_ERR, "Error writing " "auth tok signature packet\n"); @@ -1701,9 +1796,8 @@ ecryptfs_generate_key_packet_set(char *dest_base, (*len) += written; } else if (auth_tok->token_type == ECRYPTFS_PRIVATE_KEY) { rc = write_tag_1_packet(dest_base + (*len), - max, auth_tok, - crypt_stat,mount_crypt_stat, - key_rec, &written); + &max, auth_tok, + crypt_stat, key_rec, &written); if (rc) { ecryptfs_printk(KERN_WARNING, "Error " "writing tag 1 packet\n"); @@ -1716,19 +1810,69 @@ ecryptfs_generate_key_packet_set(char *dest_base, rc = -EINVAL; goto out_free; } - } else - BUG(); - if (likely((max - (*len)) > 0)) { + } + if (likely(max > 0)) { dest_base[(*len)] = 0x00; } else { ecryptfs_printk(KERN_ERR, "Error writing boundary byte\n"); rc = -EIO; } - out_free: kmem_cache_free(ecryptfs_key_record_cache, key_rec); out: if (rc) (*len) = 0; + mutex_unlock(&crypt_stat->keysig_list_mutex); return rc; } + +struct kmem_cache *ecryptfs_key_sig_cache; + +int ecryptfs_add_keysig(struct ecryptfs_crypt_stat *crypt_stat, char *sig) +{ + struct ecryptfs_key_sig *new_key_sig; + int rc = 0; + + new_key_sig = kmem_cache_alloc(ecryptfs_key_sig_cache, GFP_KERNEL); + if (!new_key_sig) { + rc = -ENOMEM; + printk(KERN_ERR + "Error allocating from ecryptfs_key_sig_cache\n"); + goto out; + } + memcpy(new_key_sig->keysig, sig, ECRYPTFS_SIG_SIZE_HEX); + mutex_lock(&crypt_stat->keysig_list_mutex); + list_add(&new_key_sig->crypt_stat_list, &crypt_stat->keysig_list); + mutex_unlock(&crypt_stat->keysig_list_mutex); +out: + return rc; +} + +struct kmem_cache *ecryptfs_global_auth_tok_cache; + +int +ecryptfs_add_global_auth_tok(struct ecryptfs_mount_crypt_stat *mount_crypt_stat, + char *sig) +{ + struct ecryptfs_global_auth_tok *new_auth_tok; + int rc = 0; + + new_auth_tok = kmem_cache_alloc(ecryptfs_global_auth_tok_cache, + GFP_KERNEL); + if (!new_auth_tok) { + rc = -ENOMEM; + printk(KERN_ERR "Error allocating from " + "ecryptfs_global_auth_tok_cache\n"); + goto out; + } + memcpy(new_auth_tok->sig, sig, ECRYPTFS_SIG_SIZE_HEX); + new_auth_tok->sig[ECRYPTFS_SIG_SIZE_HEX] = '\0'; + mutex_lock(&mount_crypt_stat->global_auth_tok_list_mutex); + list_add(&new_auth_tok->mount_crypt_stat_list, + &mount_crypt_stat->global_auth_tok_list); + mount_crypt_stat->num_global_auth_toks++; + mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex); +out: + return rc; +} + diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index a98497264fe..b83a512b7e0 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -32,7 +32,6 @@ #include <linux/crypto.h> #include <linux/netlink.h> #include <linux/mount.h> -#include <linux/dcache.h> #include <linux/pagemap.h> #include <linux/key.h> #include <linux/parser.h> @@ -99,6 +98,64 @@ void __ecryptfs_printk(const char *fmt, ...) } /** + * ecryptfs_init_persistent_file + * @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with + * the lower dentry and the lower mount set + * + * eCryptfs only ever keeps a single open file for every lower + * inode. All I/O operations to the lower inode occur through that + * file. When the first eCryptfs dentry that interposes with the first + * lower dentry for that inode is created, this function creates the + * persistent file struct and associates it with the eCryptfs + * inode. When the eCryptfs inode is destroyed, the file is closed. + * + * The persistent file will be opened with read/write permissions, if + * possible. Otherwise, it is opened read-only. + * + * This function does nothing if a lower persistent file is already + * associated with the eCryptfs inode. + * + * Returns zero on success; non-zero otherwise + */ +int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry) +{ + struct ecryptfs_inode_info *inode_info = + ecryptfs_inode_to_private(ecryptfs_dentry->d_inode); + int rc = 0; + + mutex_lock(&inode_info->lower_file_mutex); + if (!inode_info->lower_file) { + struct dentry *lower_dentry; + struct vfsmount *lower_mnt = + ecryptfs_dentry_to_lower_mnt(ecryptfs_dentry); + + lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); + /* Corresponding dput() and mntput() are done when the + * persistent file is fput() when the eCryptfs inode + * is destroyed. */ + dget(lower_dentry); + mntget(lower_mnt); + inode_info->lower_file = dentry_open(lower_dentry, + lower_mnt, + (O_RDWR | O_LARGEFILE)); + if (IS_ERR(inode_info->lower_file)) + inode_info->lower_file = dentry_open(lower_dentry, + lower_mnt, + (O_RDONLY + | O_LARGEFILE)); + if (IS_ERR(inode_info->lower_file)) { + printk(KERN_ERR "Error opening lower persistent file " + "for lower_dentry [0x%p] and lower_mnt [0x%p]\n", + lower_dentry, lower_mnt); + rc = PTR_ERR(inode_info->lower_file); + inode_info->lower_file = NULL; + } + } + mutex_unlock(&inode_info->lower_file_mutex); + return rc; +} + +/** * ecryptfs_interpose * @lower_dentry: Existing dentry in the lower filesystem * @dentry: ecryptfs' dentry @@ -155,6 +212,13 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry, /* This size will be overwritten for real files w/ headers and * other metadata */ fsstack_copy_inode_size(inode, lower_inode); + rc = ecryptfs_init_persistent_file(dentry); + if (rc) { + printk(KERN_ERR "%s: Error attempting to initialize the " + "persistent file for the dentry with name [%s]; " + "rc = [%d]\n", __FUNCTION__, dentry->d_name.name, rc); + goto out; + } out: return rc; } @@ -179,38 +243,41 @@ static match_table_t tokens = { {ecryptfs_opt_err, NULL} }; -/** - * ecryptfs_verify_version - * @version: The version number to confirm - * - * Returns zero on good version; non-zero otherwise - */ -static int ecryptfs_verify_version(u16 version) +static int ecryptfs_init_global_auth_toks( + struct ecryptfs_mount_crypt_stat *mount_crypt_stat) { + struct ecryptfs_global_auth_tok *global_auth_tok; int rc = 0; - unsigned char major; - unsigned char minor; - - major = ((version >> 8) & 0xFF); - minor = (version & 0xFF); - if (major != ECRYPTFS_VERSION_MAJOR) { - ecryptfs_printk(KERN_ERR, "Major version number mismatch. " - "Expected [%d]; got [%d]\n", - ECRYPTFS_VERSION_MAJOR, major); - rc = -EINVAL; - goto out; - } - if (minor != ECRYPTFS_VERSION_MINOR) { - ecryptfs_printk(KERN_ERR, "Minor version number mismatch. " - "Expected [%d]; got [%d]\n", - ECRYPTFS_VERSION_MINOR, minor); - rc = -EINVAL; - goto out; + + list_for_each_entry(global_auth_tok, + &mount_crypt_stat->global_auth_tok_list, + mount_crypt_stat_list) { + rc = ecryptfs_keyring_auth_tok_for_sig( + &global_auth_tok->global_auth_tok_key, + &global_auth_tok->global_auth_tok, + global_auth_tok->sig); + if (rc) { + printk(KERN_ERR "Could not find valid key in user " + "session keyring for sig specified in mount " + "option: [%s]\n", global_auth_tok->sig); + global_auth_tok->flags |= ECRYPTFS_AUTH_TOK_INVALID; + rc = 0; + } else + global_auth_tok->flags &= ~ECRYPTFS_AUTH_TOK_INVALID; } -out: return rc; } +static void ecryptfs_init_mount_crypt_stat( + struct ecryptfs_mount_crypt_stat *mount_crypt_stat) +{ + memset((void *)mount_crypt_stat, 0, + sizeof(struct ecryptfs_mount_crypt_stat)); + INIT_LIST_HEAD(&mount_crypt_stat->global_auth_tok_list); + mutex_init(&mount_crypt_stat->global_auth_tok_list_mutex); + mount_crypt_stat->flags |= ECRYPTFS_MOUNT_CRYPT_STAT_INITIALIZED; +} + /** * ecryptfs_parse_options * @sb: The ecryptfs super block @@ -238,14 +305,11 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) int cipher_name_set = 0; int cipher_key_bytes; int cipher_key_bytes_set = 0; - struct key *auth_tok_key = NULL; - struct ecryptfs_auth_tok *auth_tok = NULL; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private(sb)->mount_crypt_stat; substring_t args[MAX_OPT_ARGS]; int token; char *sig_src; - char *sig_dst; char *debug_src; char *cipher_name_dst; char *cipher_name_src; @@ -256,6 +320,7 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) rc = -EINVAL; goto out; } + ecryptfs_init_mount_crypt_stat(mount_crypt_stat); while ((p = strsep(&options, ",")) != NULL) { if (!*p) continue; @@ -264,14 +329,13 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) case ecryptfs_opt_sig: case ecryptfs_opt_ecryptfs_sig: sig_src = args[0].from; - sig_dst = - mount_crypt_stat->global_auth_tok_sig; - memcpy(sig_dst, sig_src, ECRYPTFS_SIG_SIZE_HEX); - sig_dst[ECRYPTFS_SIG_SIZE_HEX] = '\0'; - ecryptfs_printk(KERN_DEBUG, - "The mount_crypt_stat " - "global_auth_tok_sig set to: " - "[%s]\n", sig_dst); + rc = ecryptfs_add_global_auth_tok(mount_crypt_stat, + sig_src); + if (rc) { + printk(KERN_ERR "Error attempting to register " + "global sig; rc = [%d]\n", rc); + goto out; + } sig_set = 1; break; case ecryptfs_opt_debug: @@ -333,12 +397,10 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) p); } } - /* Do not support lack of mount-wide signature in 0.1 - * release */ if (!sig_set) { rc = -EINVAL; - ecryptfs_printk(KERN_ERR, "You must supply a valid " - "passphrase auth tok signature as a mount " + ecryptfs_printk(KERN_ERR, "You must supply at least one valid " + "auth tok signature as a mount " "parameter; see the eCryptfs README\n"); goto out; } @@ -358,55 +420,23 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options) if (!cipher_key_bytes_set) { mount_crypt_stat->global_default_cipher_key_size = 0; } - rc = ecryptfs_process_cipher( - &mount_crypt_stat->global_key_tfm, - mount_crypt_stat->global_default_cipher_name, - &mount_crypt_stat->global_default_cipher_key_size); + rc = ecryptfs_add_new_key_tfm( + NULL, mount_crypt_stat->global_default_cipher_name, + mount_crypt_stat->global_default_cipher_key_size); if (rc) { - printk(KERN_ERR "Error attempting to initialize cipher [%s] " - "with key size [%Zd] bytes; rc = [%d]\n", + printk(KERN_ERR "Error attempting to initialize cipher with " + "name = [%s] and key size = [%td]; rc = [%d]\n", mount_crypt_stat->global_default_cipher_name, mount_crypt_stat->global_default_cipher_key_size, rc); - mount_crypt_stat->global_key_tfm = NULL; - mount_crypt_stat->global_auth_tok_key = NULL; rc = -EINVAL; goto out; } - mutex_init(&mount_crypt_stat->global_key_tfm_mutex); - ecryptfs_printk(KERN_DEBUG, "Requesting the key with description: " - "[%s]\n", mount_crypt_stat->global_auth_tok_sig); - /* The reference to this key is held until umount is done The - * call to key_put is done in ecryptfs_put_super() */ - auth_tok_key = request_key(&key_type_user, - mount_crypt_stat->global_auth_tok_sig, - NULL); - if (!auth_tok_key || IS_ERR(auth_tok_key)) { - ecryptfs_printk(KERN_ERR, "Could not find key with " - "description: [%s]\n", - mount_crypt_stat->global_auth_tok_sig); - process_request_key_err(PTR_ERR(auth_tok_key)); - rc = -EINVAL; - goto out; - } - auth_tok = ecryptfs_get_key_payload_data(auth_tok_key); - if (ecryptfs_verify_version(auth_tok->version)) { - ecryptfs_printk(KERN_ERR, "Data structure version mismatch. " - "Userspace tools must match eCryptfs kernel " - "module with major version [%d] and minor " - "version [%d]\n", ECRYPTFS_VERSION_MAJOR, - ECRYPTFS_VERSION_MINOR); - rc = -EINVAL; - goto out; - } - if (auth_tok->token_type != ECRYPTFS_PASSWORD - && auth_tok->token_type != ECRYPTFS_PRIVATE_KEY) { - ecryptfs_printk(KERN_ERR, "Invalid auth_tok structure " - "returned from key query\n"); - rc = -EINVAL; - goto out; + rc = ecryptfs_init_global_auth_toks(mount_crypt_stat); + if (rc) { + printk(KERN_WARNING "One or more global auth toks could not " + "properly register; rc = [%d]\n", rc); } - mount_crypt_stat->global_auth_tok_key = auth_tok_key; - mount_crypt_stat->global_auth_tok = auth_tok; + rc = 0; out: return rc; } @@ -495,7 +525,8 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name) sb->s_maxbytes = lower_root->d_sb->s_maxbytes; ecryptfs_set_dentry_lower(sb->s_root, lower_root); ecryptfs_set_dentry_lower_mnt(sb->s_root, lower_mnt); - if ((rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0))) + rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0); + if (rc) goto out_free; rc = 0; goto out; @@ -579,7 +610,7 @@ static struct file_system_type ecryptfs_fs_type = { * Initializes the ecryptfs_inode_info_cache when it is created */ static void -inode_info_init_once(void *vptr, struct kmem_cache *cachep, unsigned long flags) +inode_info_init_once(struct kmem_cache *cachep, void *vptr) { struct ecryptfs_inode_info *ei = (struct ecryptfs_inode_info *)vptr; @@ -590,7 +621,7 @@ static struct ecryptfs_cache_info { struct kmem_cache **cache; const char *name; size_t size; - void (*ctor)(void*, struct kmem_cache *, unsigned long); + void (*ctor)(struct kmem_cache *cache, void *obj); } ecryptfs_cache_infos[] = { { .cache = &ecryptfs_auth_tok_list_item_cache, @@ -639,15 +670,25 @@ static struct ecryptfs_cache_info { .size = PAGE_CACHE_SIZE, }, { - .cache = &ecryptfs_lower_page_cache, - .name = "ecryptfs_lower_page_cache", - .size = PAGE_CACHE_SIZE, - }, - { .cache = &ecryptfs_key_record_cache, .name = "ecryptfs_key_record_cache", .size = sizeof(struct ecryptfs_key_record), }, + { + .cache = &ecryptfs_key_sig_cache, + .name = "ecryptfs_key_sig_cache", + .size = sizeof(struct ecryptfs_key_sig), + }, + { + .cache = &ecryptfs_global_auth_tok_cache, + .name = "ecryptfs_global_auth_tok_cache", + .size = sizeof(struct ecryptfs_global_auth_tok), + }, + { + .cache = &ecryptfs_key_tfm_cache, + .name = "ecryptfs_key_tfm_cache", + .size = sizeof(struct ecryptfs_key_tfm), + }, }; static void ecryptfs_free_kmem_caches(void) @@ -750,7 +791,8 @@ static struct ecryptfs_version_str_map_elem { {ECRYPTFS_VERSIONING_PUBKEY, "pubkey"}, {ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH, "plaintext passthrough"}, {ECRYPTFS_VERSIONING_POLICY, "policy"}, - {ECRYPTFS_VERSIONING_XATTR, "metadata in extended attribute"} + {ECRYPTFS_VERSIONING_XATTR, "metadata in extended attribute"}, + {ECRYPTFS_VERSIONING_MULTKEY, "multiple keys per file"} }; static ssize_t version_str_show(struct ecryptfs_obj *obj, char *buff) @@ -786,7 +828,8 @@ static int do_sysfs_registration(void) { int rc; - if ((rc = subsystem_register(&ecryptfs_subsys))) { + rc = subsystem_register(&ecryptfs_subsys); + if (rc) { printk(KERN_ERR "Unable to register ecryptfs sysfs subsystem\n"); goto out; @@ -845,33 +888,49 @@ static int __init ecryptfs_init(void) rc = register_filesystem(&ecryptfs_fs_type); if (rc) { printk(KERN_ERR "Failed to register filesystem\n"); - ecryptfs_free_kmem_caches(); - goto out; + goto out_free_kmem_caches; } kobj_set_kset_s(&ecryptfs_subsys, fs_subsys); rc = do_sysfs_registration(); if (rc) { printk(KERN_ERR "sysfs registration failed\n"); - unregister_filesystem(&ecryptfs_fs_type); - ecryptfs_free_kmem_caches(); - goto out; + goto out_unregister_filesystem; } rc = ecryptfs_init_messaging(ecryptfs_transport); if (rc) { ecryptfs_printk(KERN_ERR, "Failure occured while attempting to " "initialize the eCryptfs netlink socket\n"); - do_sysfs_unregistration(); - unregister_filesystem(&ecryptfs_fs_type); - ecryptfs_free_kmem_caches(); + goto out_do_sysfs_unregistration; + } + rc = ecryptfs_init_crypto(); + if (rc) { + printk(KERN_ERR "Failure whilst attempting to init crypto; " + "rc = [%d]\n", rc); + goto out_release_messaging; } + goto out; +out_release_messaging: + ecryptfs_release_messaging(ecryptfs_transport); +out_do_sysfs_unregistration: + do_sysfs_unregistration(); +out_unregister_filesystem: + unregister_filesystem(&ecryptfs_fs_type); +out_free_kmem_caches: + ecryptfs_free_kmem_caches(); out: return rc; } static void __exit ecryptfs_exit(void) { - do_sysfs_unregistration(); + int rc; + + rc = ecryptfs_destroy_crypto(); + if (rc) + printk(KERN_ERR "Failure whilst attempting to destroy crypto; " + "rc = [%d]\n", rc); ecryptfs_release_messaging(ecryptfs_transport); + do_sysfs_unregistration(); unregister_filesystem(&ecryptfs_fs_type); ecryptfs_free_kmem_caches(); } diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index a9d87c47f72..a96d341d154 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -419,8 +419,9 @@ int ecryptfs_init_messaging(unsigned int transport) } mutex_init(&ecryptfs_daemon_id_hash_mux); mutex_lock(&ecryptfs_daemon_id_hash_mux); - ecryptfs_hash_buckets = 0; - while (ecryptfs_number_of_users >> ++ecryptfs_hash_buckets); + ecryptfs_hash_buckets = 1; + while (ecryptfs_number_of_users >> ecryptfs_hash_buckets) + ecryptfs_hash_buckets++; ecryptfs_daemon_id_hash = kmalloc(sizeof(struct hlist_head) * ecryptfs_hash_buckets, GFP_KERNEL); if (!ecryptfs_daemon_id_hash) { diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index fd3f94d4a66..16a7a555f39 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -37,130 +37,27 @@ struct kmem_cache *ecryptfs_lower_page_cache; /** - * ecryptfs_get1page + * ecryptfs_get_locked_page * * Get one page from cache or lower f/s, return error otherwise. * - * Returns unlocked and up-to-date page (if ok), with increased + * Returns locked and up-to-date page (if ok), with increased * refcnt. */ -static struct page *ecryptfs_get1page(struct file *file, int index) +struct page *ecryptfs_get_locked_page(struct file *file, loff_t index) { struct dentry *dentry; struct inode *inode; struct address_space *mapping; + struct page *page; dentry = file->f_path.dentry; inode = dentry->d_inode; mapping = inode->i_mapping; - return read_mapping_page(mapping, index, (void *)file); -} - -/** - * ecryptfs_fill_zeros - * @file: The ecryptfs file - * @new_length: The new length of the data in the underlying file; - * everything between the prior end of the file and the - * new end of the file will be filled with zero's. - * new_length must be greater than current length - * - * Function for handling lseek-ing past the end of the file. - * - * This function does not support shrinking, only growing a file. - * - * Returns zero on success; non-zero otherwise. - */ -int ecryptfs_fill_zeros(struct file *file, loff_t new_length) -{ - int rc = 0; - struct dentry *dentry = file->f_path.dentry; - struct inode *inode = dentry->d_inode; - pgoff_t old_end_page_index = 0; - pgoff_t index = old_end_page_index; - int old_end_pos_in_page = -1; - pgoff_t new_end_page_index; - int new_end_pos_in_page; - loff_t cur_length = i_size_read(inode); - - if (cur_length != 0) { - index = old_end_page_index = - ((cur_length - 1) >> PAGE_CACHE_SHIFT); - old_end_pos_in_page = ((cur_length - 1) & ~PAGE_CACHE_MASK); - } - new_end_page_index = ((new_length - 1) >> PAGE_CACHE_SHIFT); - new_end_pos_in_page = ((new_length - 1) & ~PAGE_CACHE_MASK); - ecryptfs_printk(KERN_DEBUG, "old_end_page_index = [0x%.16x]; " - "old_end_pos_in_page = [%d]; " - "new_end_page_index = [0x%.16x]; " - "new_end_pos_in_page = [%d]\n", - old_end_page_index, old_end_pos_in_page, - new_end_page_index, new_end_pos_in_page); - if (old_end_page_index == new_end_page_index) { - /* Start and end are in the same page; we just need to - * set a portion of the existing page to zero's */ - rc = ecryptfs_write_zeros(file, index, - (old_end_pos_in_page + 1), - (new_end_pos_in_page - - old_end_pos_in_page)); - if (rc) - ecryptfs_printk(KERN_ERR, "ecryptfs_write_zeros(" - "file=[%p], " - "index=[0x%.16x], " - "old_end_pos_in_page=[d], " - "(PAGE_CACHE_SIZE - new_end_pos_in_page" - "=[%d]" - ")=[d]) returned [%d]\n", file, index, - old_end_pos_in_page, - new_end_pos_in_page, - (PAGE_CACHE_SIZE - new_end_pos_in_page), - rc); - goto out; - } - /* Fill the remainder of the previous last page with zeros */ - rc = ecryptfs_write_zeros(file, index, (old_end_pos_in_page + 1), - ((PAGE_CACHE_SIZE - 1) - old_end_pos_in_page)); - if (rc) { - ecryptfs_printk(KERN_ERR, "ecryptfs_write_zeros(file=[%p], " - "index=[0x%.16x], old_end_pos_in_page=[d], " - "(PAGE_CACHE_SIZE - old_end_pos_in_page)=[d]) " - "returned [%d]\n", file, index, - old_end_pos_in_page, - (PAGE_CACHE_SIZE - old_end_pos_in_page), rc); - goto out; - } - index++; - while (index < new_end_page_index) { - /* Fill all intermediate pages with zeros */ - rc = ecryptfs_write_zeros(file, index, 0, PAGE_CACHE_SIZE); - if (rc) { - ecryptfs_printk(KERN_ERR, "ecryptfs_write_zeros(" - "file=[%p], " - "index=[0x%.16x], " - "old_end_pos_in_page=[d], " - "(PAGE_CACHE_SIZE - new_end_pos_in_page" - "=[%d]" - ")=[d]) returned [%d]\n", file, index, - old_end_pos_in_page, - new_end_pos_in_page, - (PAGE_CACHE_SIZE - new_end_pos_in_page), - rc); - goto out; - } - index++; - } - /* Fill the portion at the beginning of the last new page with - * zero's */ - rc = ecryptfs_write_zeros(file, index, 0, (new_end_pos_in_page + 1)); - if (rc) { - ecryptfs_printk(KERN_ERR, "ecryptfs_write_zeros(file=" - "[%p], index=[0x%.16x], 0, " - "new_end_pos_in_page=[%d]" - "returned [%d]\n", file, index, - new_end_pos_in_page, rc); - goto out; - } -out: - return rc; + page = read_mapping_page(mapping, index, (void *)file); + if (!IS_ERR(page)) + lock_page(page); + return page; } /** @@ -171,13 +68,9 @@ out: */ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc) { - struct ecryptfs_page_crypt_context ctx; int rc; - ctx.page = page; - ctx.mode = ECRYPTFS_WRITEPAGE_MODE; - ctx.param.wbc = wbc; - rc = ecryptfs_encrypt_page(&ctx); + rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting " "page (upper index [0x%.16x])\n", page->index); @@ -191,58 +84,6 @@ out: } /** - * Reads the data from the lower file file at index lower_page_index - * and copies that data into page. - * - * @param page Page to fill - * @param lower_page_index Index of the page in the lower file to get - */ -int ecryptfs_do_readpage(struct file *file, struct page *page, - pgoff_t lower_page_index) -{ - int rc; - struct dentry *dentry; - struct file *lower_file; - struct dentry *lower_dentry; - struct inode *inode; - struct inode *lower_inode; - char *page_data; - struct page *lower_page = NULL; - char *lower_page_data; - const struct address_space_operations *lower_a_ops; - - dentry = file->f_path.dentry; - lower_file = ecryptfs_file_to_lower(file); - lower_dentry = ecryptfs_dentry_to_lower(dentry); - inode = dentry->d_inode; - lower_inode = ecryptfs_inode_to_lower(inode); - lower_a_ops = lower_inode->i_mapping->a_ops; - lower_page = read_cache_page(lower_inode->i_mapping, lower_page_index, - (filler_t *)lower_a_ops->readpage, - (void *)lower_file); - if (IS_ERR(lower_page)) { - rc = PTR_ERR(lower_page); - lower_page = NULL; - ecryptfs_printk(KERN_ERR, "Error reading from page cache\n"); - goto out; - } - page_data = kmap_atomic(page, KM_USER0); - lower_page_data = kmap_atomic(lower_page, KM_USER1); - memcpy(page_data, lower_page_data, PAGE_CACHE_SIZE); - kunmap_atomic(lower_page_data, KM_USER1); - kunmap_atomic(page_data, KM_USER0); - flush_dcache_page(page); - rc = 0; -out: - if (likely(lower_page)) - page_cache_release(lower_page); - if (rc == 0) - SetPageUptodate(page); - else - ClearPageUptodate(page); - return rc; -} -/** * Header Extent: * Octets 0-7: Unencrypted file size (big-endian) * Octets 8-15: eCryptfs special marker @@ -271,9 +112,77 @@ static void set_header_info(char *page_virt, } /** + * ecryptfs_copy_up_encrypted_with_header + * @page: Sort of a ``virtual'' representation of the encrypted lower + * file. The actual lower file does not have the metadata in + * the header. This is locked. + * @crypt_stat: The eCryptfs inode's cryptographic context + * + * The ``view'' is the version of the file that userspace winds up + * seeing, with the header information inserted. + */ +static int +ecryptfs_copy_up_encrypted_with_header(struct page *page, + struct ecryptfs_crypt_stat *crypt_stat) +{ + loff_t extent_num_in_page = 0; + loff_t num_extents_per_page = (PAGE_CACHE_SIZE + / crypt_stat->extent_size); + int rc = 0; + + while (extent_num_in_page < num_extents_per_page) { + loff_t view_extent_num = ((((loff_t)page->index) + * num_extents_per_page) + + extent_num_in_page); + + if (view_extent_num < crypt_stat->num_header_extents_at_front) { + /* This is a header extent */ + char *page_virt; + + page_virt = kmap_atomic(page, KM_USER0); + memset(page_virt, 0, PAGE_CACHE_SIZE); + /* TODO: Support more than one header extent */ + if (view_extent_num == 0) { + rc = ecryptfs_read_xattr_region( + page_virt, page->mapping->host); + set_header_info(page_virt, crypt_stat); + } + kunmap_atomic(page_virt, KM_USER0); + flush_dcache_page(page); + if (rc) { + printk(KERN_ERR "%s: Error reading xattr " + "region; rc = [%d]\n", __FUNCTION__, rc); + goto out; + } + } else { + /* This is an encrypted data extent */ + loff_t lower_offset = + ((view_extent_num - + crypt_stat->num_header_extents_at_front) + * crypt_stat->extent_size); + + rc = ecryptfs_read_lower_page_segment( + page, (lower_offset >> PAGE_CACHE_SHIFT), + (lower_offset & ~PAGE_CACHE_MASK), + crypt_stat->extent_size, page->mapping->host); + if (rc) { + printk(KERN_ERR "%s: Error attempting to read " + "extent at offset [%lld] in the lower " + "file; rc = [%d]\n", __FUNCTION__, + lower_offset, rc); + goto out; + } + } + extent_num_in_page++; + } +out: + return rc; +} + +/** * ecryptfs_readpage - * @file: This is an ecryptfs file - * @page: ecryptfs associated page to stick the read data into + * @file: An eCryptfs file + * @page: Page from eCryptfs inode mapping into which to stick the read data * * Read in a page, decrypting if necessary. * @@ -281,59 +190,35 @@ static void set_header_info(char *page_virt, */ static int ecryptfs_readpage(struct file *file, struct page *page) { + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat; int rc = 0; - struct ecryptfs_crypt_stat *crypt_stat; - BUG_ON(!(file && file->f_path.dentry && file->f_path.dentry->d_inode)); - crypt_stat = &ecryptfs_inode_to_private(file->f_path.dentry->d_inode) - ->crypt_stat; if (!crypt_stat || !(crypt_stat->flags & ECRYPTFS_ENCRYPTED) || (crypt_stat->flags & ECRYPTFS_NEW_FILE)) { ecryptfs_printk(KERN_DEBUG, "Passing through unencrypted page\n"); - rc = ecryptfs_do_readpage(file, page, page->index); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error reading page; rc = " - "[%d]\n", rc); - goto out; - } + rc = ecryptfs_read_lower_page_segment(page, page->index, 0, + PAGE_CACHE_SIZE, + page->mapping->host); } else if (crypt_stat->flags & ECRYPTFS_VIEW_AS_ENCRYPTED) { if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) { - int num_pages_in_header_region = - (crypt_stat->header_extent_size - / PAGE_CACHE_SIZE); - - if (page->index < num_pages_in_header_region) { - char *page_virt; - - page_virt = kmap_atomic(page, KM_USER0); - memset(page_virt, 0, PAGE_CACHE_SIZE); - if (page->index == 0) { - rc = ecryptfs_read_xattr_region( - page_virt, file->f_path.dentry); - set_header_info(page_virt, crypt_stat); - } - kunmap_atomic(page_virt, KM_USER0); - flush_dcache_page(page); - if (rc) { - printk(KERN_ERR "Error reading xattr " - "region\n"); - goto out; - } - } else { - rc = ecryptfs_do_readpage( - file, page, - (page->index - - num_pages_in_header_region)); - if (rc) { - printk(KERN_ERR "Error reading page; " - "rc = [%d]\n", rc); - goto out; - } + rc = ecryptfs_copy_up_encrypted_with_header(page, + crypt_stat); + if (rc) { + printk(KERN_ERR "%s: Error attempting to copy " + "the encrypted content from the lower " + "file whilst inserting the metadata " + "from the xattr into the header; rc = " + "[%d]\n", __FUNCTION__, rc); + goto out; } + } else { - rc = ecryptfs_do_readpage(file, page, page->index); + rc = ecryptfs_read_lower_page_segment( + page, page->index, 0, PAGE_CACHE_SIZE, + page->mapping->host); if (rc) { printk(KERN_ERR "Error reading page; rc = " "[%d]\n", rc); @@ -341,17 +226,18 @@ static int ecryptfs_readpage(struct file *file, struct page *page) } } } else { - rc = ecryptfs_decrypt_page(file, page); + rc = ecryptfs_decrypt_page(page); if (rc) { ecryptfs_printk(KERN_ERR, "Error decrypting page; " "rc = [%d]\n", rc); goto out; } } - SetPageUptodate(page); out: if (rc) ClearPageUptodate(page); + else + SetPageUptodate(page); ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16x]\n", page->index); unlock_page(page); @@ -377,27 +263,6 @@ out: return 0; } -/** - * eCryptfs does not currently support holes. When writing after a - * seek past the end of the file, eCryptfs fills in 0's through to the - * current location. The code to fill in the 0's to all the - * intermediate pages calls ecryptfs_prepare_write_no_truncate(). - */ -static int -ecryptfs_prepare_write_no_truncate(struct file *file, struct page *page, - unsigned from, unsigned to) -{ - int rc = 0; - - if (from == 0 && to == PAGE_CACHE_SIZE) - goto out; /* If we are writing a full page, it will be - up to date. */ - if (!PageUptodate(page)) - rc = ecryptfs_do_readpage(file, page, page->index); -out: - return rc; -} - static int ecryptfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) { @@ -406,10 +271,21 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, if (from == 0 && to == PAGE_CACHE_SIZE) goto out; /* If we are writing a full page, it will be up to date. */ - if (!PageUptodate(page)) - rc = ecryptfs_do_readpage(file, page, page->index); + if (!PageUptodate(page)) { + rc = ecryptfs_read_lower_page_segment(page, page->index, 0, + PAGE_CACHE_SIZE, + page->mapping->host); + if (rc) { + printk(KERN_ERR "%s: Error attemping to read lower " + "page segment; rc = [%d]\n", __FUNCTION__, rc); + ClearPageUptodate(page); + goto out; + } else + SetPageUptodate(page); + } if (page->index != 0) { - loff_t end_of_prev_pg_pos = page_offset(page) - 1; + loff_t end_of_prev_pg_pos = + (((loff_t)page->index << PAGE_CACHE_SHIFT) - 1); if (end_of_prev_pg_pos > i_size_read(page->mapping->host)) { rc = ecryptfs_truncate(file->f_path.dentry, @@ -428,32 +304,6 @@ out: return rc; } -int ecryptfs_writepage_and_release_lower_page(struct page *lower_page, - struct inode *lower_inode, - struct writeback_control *wbc) -{ - int rc = 0; - - rc = lower_inode->i_mapping->a_ops->writepage(lower_page, wbc); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error calling lower writepage(); " - "rc = [%d]\n", rc); - goto out; - } - lower_inode->i_mtime = lower_inode->i_ctime = CURRENT_TIME; - page_cache_release(lower_page); -out: - return rc; -} - -static -void ecryptfs_release_lower_page(struct page *lower_page, int page_locked) -{ - if (page_locked) - unlock_page(lower_page); - page_cache_release(lower_page); -} - /** * ecryptfs_write_inode_size_to_header * @@ -461,67 +311,48 @@ void ecryptfs_release_lower_page(struct page *lower_page, int page_locked) * * Returns zero on success; non-zero on error. */ -static int ecryptfs_write_inode_size_to_header(struct file *lower_file, - struct inode *lower_inode, - struct inode *inode) +static int ecryptfs_write_inode_size_to_header(struct inode *ecryptfs_inode) { - int rc = 0; - struct page *header_page; - char *header_virt; - const struct address_space_operations *lower_a_ops; u64 file_size; + char *file_size_virt; + int rc; -retry: - header_page = grab_cache_page(lower_inode->i_mapping, 0); - if (!header_page) { - ecryptfs_printk(KERN_ERR, "grab_cache_page for " - "lower_page_index 0 failed\n"); - rc = -EINVAL; - goto out; - } - lower_a_ops = lower_inode->i_mapping->a_ops; - rc = lower_a_ops->prepare_write(lower_file, header_page, 0, 8); - if (rc) { - if (rc == AOP_TRUNCATED_PAGE) { - ecryptfs_release_lower_page(header_page, 0); - goto retry; - } else - ecryptfs_release_lower_page(header_page, 1); + file_size_virt = kmalloc(sizeof(u64), GFP_KERNEL); + if (!file_size_virt) { + rc = -ENOMEM; goto out; } - file_size = (u64)i_size_read(inode); - ecryptfs_printk(KERN_DEBUG, "Writing size: [0x%.16x]\n", file_size); + file_size = (u64)i_size_read(ecryptfs_inode); file_size = cpu_to_be64(file_size); - header_virt = kmap_atomic(header_page, KM_USER0); - memcpy(header_virt, &file_size, sizeof(u64)); - kunmap_atomic(header_virt, KM_USER0); - flush_dcache_page(header_page); - rc = lower_a_ops->commit_write(lower_file, header_page, 0, 8); - if (rc < 0) - ecryptfs_printk(KERN_ERR, "Error commiting header page " - "write\n"); - if (rc == AOP_TRUNCATED_PAGE) { - ecryptfs_release_lower_page(header_page, 0); - goto retry; - } else - ecryptfs_release_lower_page(header_page, 1); - lower_inode->i_mtime = lower_inode->i_ctime = CURRENT_TIME; - mark_inode_dirty_sync(inode); + memcpy(file_size_virt, &file_size, sizeof(u64)); + rc = ecryptfs_write_lower(ecryptfs_inode, file_size_virt, 0, + sizeof(u64)); + kfree(file_size_virt); + if (rc) + printk(KERN_ERR "%s: Error writing file size to header; " + "rc = [%d]\n", __FUNCTION__, rc); out: return rc; } -static int ecryptfs_write_inode_size_to_xattr(struct inode *lower_inode, - struct inode *inode, - struct dentry *ecryptfs_dentry, - int lower_i_mutex_held) +struct kmem_cache *ecryptfs_xattr_cache; + +static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode) { ssize_t size; void *xattr_virt; - struct dentry *lower_dentry; + struct dentry *lower_dentry = + ecryptfs_inode_to_private(ecryptfs_inode)->lower_file->f_dentry; + struct inode *lower_inode = lower_dentry->d_inode; u64 file_size; int rc; + if (!lower_inode->i_op->getxattr || !lower_inode->i_op->setxattr) { + printk(KERN_WARNING + "No support for setting xattr in lower filesystem\n"); + rc = -ENOSYS; + goto out; + } xattr_virt = kmem_cache_alloc(ecryptfs_xattr_cache, GFP_KERNEL); if (!xattr_virt) { printk(KERN_ERR "Out of memory whilst attempting to write " @@ -529,35 +360,17 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *lower_inode, rc = -ENOMEM; goto out; } - lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); - if (!lower_dentry->d_inode->i_op->getxattr || - !lower_dentry->d_inode->i_op->setxattr) { - printk(KERN_WARNING - "No support for setting xattr in lower filesystem\n"); - rc = -ENOSYS; - kmem_cache_free(ecryptfs_xattr_cache, xattr_virt); - goto out; - } - if (!lower_i_mutex_held) - mutex_lock(&lower_dentry->d_inode->i_mutex); - size = lower_dentry->d_inode->i_op->getxattr(lower_dentry, - ECRYPTFS_XATTR_NAME, - xattr_virt, - PAGE_CACHE_SIZE); - if (!lower_i_mutex_held) - mutex_unlock(&lower_dentry->d_inode->i_mutex); + mutex_lock(&lower_inode->i_mutex); + size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME, + xattr_virt, PAGE_CACHE_SIZE); if (size < 0) size = 8; - file_size = (u64)i_size_read(inode); + file_size = (u64)i_size_read(ecryptfs_inode); file_size = cpu_to_be64(file_size); memcpy(xattr_virt, &file_size, sizeof(u64)); - if (!lower_i_mutex_held) - mutex_lock(&lower_dentry->d_inode->i_mutex); - rc = lower_dentry->d_inode->i_op->setxattr(lower_dentry, - ECRYPTFS_XATTR_NAME, - xattr_virt, size, 0); - if (!lower_i_mutex_held) - mutex_unlock(&lower_dentry->d_inode->i_mutex); + rc = lower_inode->i_op->setxattr(lower_dentry, ECRYPTFS_XATTR_NAME, + xattr_virt, size, 0); + mutex_unlock(&lower_inode->i_mutex); if (rc) printk(KERN_ERR "Error whilst attempting to write inode size " "to lower file xattr; rc = [%d]\n", rc); @@ -566,122 +379,18 @@ out: return rc; } -int -ecryptfs_write_inode_size_to_metadata(struct file *lower_file, - struct inode *lower_inode, - struct inode *inode, - struct dentry *ecryptfs_dentry, - int lower_i_mutex_held) +int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode) { struct ecryptfs_crypt_stat *crypt_stat; - crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; + crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR) - return ecryptfs_write_inode_size_to_xattr(lower_inode, inode, - ecryptfs_dentry, - lower_i_mutex_held); + return ecryptfs_write_inode_size_to_xattr(ecryptfs_inode); else - return ecryptfs_write_inode_size_to_header(lower_file, - lower_inode, - inode); -} - -int ecryptfs_get_lower_page(struct page **lower_page, struct inode *lower_inode, - struct file *lower_file, - unsigned long lower_page_index, int byte_offset, - int region_bytes) -{ - int rc = 0; - -retry: - *lower_page = grab_cache_page(lower_inode->i_mapping, lower_page_index); - if (!(*lower_page)) { - rc = -EINVAL; - ecryptfs_printk(KERN_ERR, "Error attempting to grab " - "lower page with index [0x%.16x]\n", - lower_page_index); - goto out; - } - rc = lower_inode->i_mapping->a_ops->prepare_write(lower_file, - (*lower_page), - byte_offset, - region_bytes); - if (rc) { - if (rc == AOP_TRUNCATED_PAGE) { - ecryptfs_release_lower_page(*lower_page, 0); - goto retry; - } else { - ecryptfs_printk(KERN_ERR, "prepare_write for " - "lower_page_index = [0x%.16x] failed; rc = " - "[%d]\n", lower_page_index, rc); - ecryptfs_release_lower_page(*lower_page, 1); - (*lower_page) = NULL; - } - } -out: - return rc; -} - -/** - * ecryptfs_commit_lower_page - * - * Returns zero on success; non-zero on error - */ -int -ecryptfs_commit_lower_page(struct page *lower_page, struct inode *lower_inode, - struct file *lower_file, int byte_offset, - int region_size) -{ - int page_locked = 1; - int rc = 0; - - rc = lower_inode->i_mapping->a_ops->commit_write( - lower_file, lower_page, byte_offset, region_size); - if (rc == AOP_TRUNCATED_PAGE) - page_locked = 0; - if (rc < 0) { - ecryptfs_printk(KERN_ERR, - "Error committing write; rc = [%d]\n", rc); - } else - rc = 0; - ecryptfs_release_lower_page(lower_page, page_locked); - return rc; + return ecryptfs_write_inode_size_to_header(ecryptfs_inode); } /** - * ecryptfs_copy_page_to_lower - * - * Used for plaintext pass-through; no page index interpolation - * required. - */ -int ecryptfs_copy_page_to_lower(struct page *page, struct inode *lower_inode, - struct file *lower_file) -{ - int rc = 0; - struct page *lower_page; - - rc = ecryptfs_get_lower_page(&lower_page, lower_inode, lower_file, - page->index, 0, PAGE_CACHE_SIZE); - if (rc) { - ecryptfs_printk(KERN_ERR, "Error attempting to get page " - "at index [0x%.16x]\n", page->index); - goto out; - } - /* TODO: aops */ - memcpy((char *)page_address(lower_page), page_address(page), - PAGE_CACHE_SIZE); - rc = ecryptfs_commit_lower_page(lower_page, lower_inode, lower_file, - 0, PAGE_CACHE_SIZE); - if (rc) - ecryptfs_printk(KERN_ERR, "Error attempting to commit page " - "at index [0x%.16x]\n", page->index); -out: - return rc; -} - -struct kmem_cache *ecryptfs_xattr_cache; - -/** * ecryptfs_commit_write * @file: The eCryptfs file object * @page: The eCryptfs page @@ -695,20 +404,12 @@ struct kmem_cache *ecryptfs_xattr_cache; static int ecryptfs_commit_write(struct file *file, struct page *page, unsigned from, unsigned to) { - struct ecryptfs_page_crypt_context ctx; loff_t pos; - struct inode *inode; - struct inode *lower_inode; - struct file *lower_file; - struct ecryptfs_crypt_stat *crypt_stat; + struct inode *ecryptfs_inode = page->mapping->host; + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat; int rc; - inode = page->mapping->host; - lower_inode = ecryptfs_inode_to_lower(inode); - lower_file = ecryptfs_file_to_lower(file); - mutex_lock(&lower_inode->i_mutex); - crypt_stat = &ecryptfs_inode_to_private(file->f_path.dentry->d_inode) - ->crypt_stat; if (crypt_stat->flags & ECRYPTFS_NEW_FILE) { ecryptfs_printk(KERN_DEBUG, "ECRYPTFS_NEW_FILE flag set in " "crypt_stat at memory location [%p]\n", crypt_stat); @@ -718,6 +419,7 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page" "(page w/ index = [0x%.16x], to = [%d])\n", page->index, to); + /* Fills in zeros if 'to' goes beyond inode size */ rc = fill_zeros_to_end_of_page(page, to); if (rc) { ecryptfs_printk(KERN_WARNING, "Error attempting to fill " @@ -725,82 +427,22 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, page->index); goto out; } - ctx.page = page; - ctx.mode = ECRYPTFS_PREPARE_COMMIT_MODE; - ctx.param.lower_file = lower_file; - rc = ecryptfs_encrypt_page(&ctx); + rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " "index [0x%.16x])\n", page->index); goto out; } - inode->i_blocks = lower_inode->i_blocks; - pos = page_offset(page) + to; - if (pos > i_size_read(inode)) { - i_size_write(inode, pos); + pos = (((loff_t)page->index) << PAGE_CACHE_SHIFT) + to; + if (pos > i_size_read(ecryptfs_inode)) { + i_size_write(ecryptfs_inode, pos); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " - "[0x%.16x]\n", i_size_read(inode)); + "[0x%.16x]\n", i_size_read(ecryptfs_inode)); } - rc = ecryptfs_write_inode_size_to_metadata(lower_file, lower_inode, - inode, file->f_dentry, - ECRYPTFS_LOWER_I_MUTEX_HELD); + rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); if (rc) printk(KERN_ERR "Error writing inode size to metadata; " "rc = [%d]\n", rc); - lower_inode->i_mtime = lower_inode->i_ctime = CURRENT_TIME; - mark_inode_dirty_sync(inode); -out: - if (rc < 0) - ClearPageUptodate(page); - else - SetPageUptodate(page); - mutex_unlock(&lower_inode->i_mutex); - return rc; -} - -/** - * ecryptfs_write_zeros - * @file: The ecryptfs file - * @index: The index in which we are writing - * @start: The position after the last block of data - * @num_zeros: The number of zeros to write - * - * Write a specified number of zero's to a page. - * - * (start + num_zeros) must be less than or equal to PAGE_CACHE_SIZE - */ -int -ecryptfs_write_zeros(struct file *file, pgoff_t index, int start, int num_zeros) -{ - int rc = 0; - struct page *tmp_page; - - tmp_page = ecryptfs_get1page(file, index); - if (IS_ERR(tmp_page)) { - ecryptfs_printk(KERN_ERR, "Error getting page at index " - "[0x%.16x]\n", index); - rc = PTR_ERR(tmp_page); - goto out; - } - if ((rc = ecryptfs_prepare_write_no_truncate(file, tmp_page, start, - (start + num_zeros)))) { - ecryptfs_printk(KERN_ERR, "Error preparing to write zero's " - "to page at index [0x%.16x]\n", - index); - page_cache_release(tmp_page); - goto out; - } - zero_user_page(tmp_page, start, num_zeros, KM_USER0); - rc = ecryptfs_commit_write(file, tmp_page, start, start + num_zeros); - if (rc < 0) { - ecryptfs_printk(KERN_ERR, "Error attempting to write zero's " - "to remainder of page at index [0x%.16x]\n", - index); - page_cache_release(tmp_page); - goto out; - } - rc = 0; - page_cache_release(tmp_page); out: return rc; } @@ -819,34 +461,10 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block) return rc; } -static void ecryptfs_sync_page(struct page *page) -{ - struct inode *inode; - struct inode *lower_inode; - struct page *lower_page; - - inode = page->mapping->host; - lower_inode = ecryptfs_inode_to_lower(inode); - /* NOTE: Recently swapped with grab_cache_page(), since - * sync_page() just makes sure that pending I/O gets done. */ - lower_page = find_lock_page(lower_inode->i_mapping, page->index); - if (!lower_page) { - ecryptfs_printk(KERN_DEBUG, "find_lock_page failed\n"); - return; - } - if (lower_page->mapping->a_ops->sync_page) - lower_page->mapping->a_ops->sync_page(lower_page); - ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16x]\n", - lower_page->index); - unlock_page(lower_page); - page_cache_release(lower_page); -} - struct address_space_operations ecryptfs_aops = { .writepage = ecryptfs_writepage, .readpage = ecryptfs_readpage, .prepare_write = ecryptfs_prepare_write, .commit_write = ecryptfs_commit_write, .bmap = ecryptfs_bmap, - .sync_page = ecryptfs_sync_page, }; diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c new file mode 100644 index 00000000000..2150edf9a58 --- /dev/null +++ b/fs/ecryptfs/read_write.c @@ -0,0 +1,358 @@ +/** + * eCryptfs: Linux filesystem encryption layer + * + * Copyright (C) 2007 International Business Machines Corp. + * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#include <linux/fs.h> +#include <linux/pagemap.h> +#include "ecryptfs_kernel.h" + +/** + * ecryptfs_write_lower + * @ecryptfs_inode: The eCryptfs inode + * @data: Data to write + * @offset: Byte offset in the lower file to which to write the data + * @size: Number of bytes from @data to write at @offset in the lower + * file + * + * Write data to the lower file. + * + * Returns zero on success; non-zero on error + */ +int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data, + loff_t offset, size_t size) +{ + struct ecryptfs_inode_info *inode_info; + ssize_t octets_written; + mm_segment_t fs_save; + int rc = 0; + + inode_info = ecryptfs_inode_to_private(ecryptfs_inode); + mutex_lock(&inode_info->lower_file_mutex); + BUG_ON(!inode_info->lower_file); + inode_info->lower_file->f_pos = offset; + fs_save = get_fs(); + set_fs(get_ds()); + octets_written = vfs_write(inode_info->lower_file, data, size, + &inode_info->lower_file->f_pos); + set_fs(fs_save); + if (octets_written < 0) { + printk(KERN_ERR "%s: octets_written = [%td]; " + "expected [%td]\n", __FUNCTION__, octets_written, size); + rc = -EINVAL; + } + mutex_unlock(&inode_info->lower_file_mutex); + mark_inode_dirty_sync(ecryptfs_inode); + return rc; +} + +/** + * ecryptfs_write_lower_page_segment + * @ecryptfs_inode: The eCryptfs inode + * @page_for_lower: The page containing the data to be written to the + * lower file + * @offset_in_page: The offset in the @page_for_lower from which to + * start writing the data + * @size: The amount of data from @page_for_lower to write to the + * lower file + * + * Determines the byte offset in the file for the given page and + * offset within the page, maps the page, and makes the call to write + * the contents of @page_for_lower to the lower inode. + * + * Returns zero on success; non-zero otherwise + */ +int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode, + struct page *page_for_lower, + size_t offset_in_page, size_t size) +{ + char *virt; + loff_t offset; + int rc; + + offset = ((((off_t)page_for_lower->index) << PAGE_CACHE_SHIFT) + + offset_in_page); + virt = kmap(page_for_lower); + rc = ecryptfs_write_lower(ecryptfs_inode, virt, offset, size); + kunmap(page_for_lower); + return rc; +} + +/** + * ecryptfs_write + * @ecryptfs_file: The eCryptfs file into which to write + * @data: Virtual address where data to write is located + * @offset: Offset in the eCryptfs file at which to begin writing the + * data from @data + * @size: The number of bytes to write from @data + * + * Write an arbitrary amount of data to an arbitrary location in the + * eCryptfs inode page cache. This is done on a page-by-page, and then + * by an extent-by-extent, basis; individual extents are encrypted and + * written to the lower page cache (via VFS writes). This function + * takes care of all the address translation to locations in the lower + * filesystem; it also handles truncate events, writing out zeros + * where necessary. + * + * Returns zero on success; non-zero otherwise + */ +int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset, + size_t size) +{ + struct page *ecryptfs_page; + char *ecryptfs_page_virt; + loff_t ecryptfs_file_size = + i_size_read(ecryptfs_file->f_dentry->d_inode); + loff_t data_offset = 0; + loff_t pos; + int rc = 0; + + if (offset > ecryptfs_file_size) + pos = ecryptfs_file_size; + else + pos = offset; + while (pos < (offset + size)) { + pgoff_t ecryptfs_page_idx = (pos >> PAGE_CACHE_SHIFT); + size_t start_offset_in_page = (pos & ~PAGE_CACHE_MASK); + size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page); + size_t total_remaining_bytes = ((offset + size) - pos); + + if (num_bytes > total_remaining_bytes) + num_bytes = total_remaining_bytes; + if (pos < offset) { + size_t total_remaining_zeros = (offset - pos); + + if (num_bytes > total_remaining_zeros) + num_bytes = total_remaining_zeros; + } + ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_file, + ecryptfs_page_idx); + if (IS_ERR(ecryptfs_page)) { + rc = PTR_ERR(ecryptfs_page); + printk(KERN_ERR "%s: Error getting page at " + "index [%ld] from eCryptfs inode " + "mapping; rc = [%d]\n", __FUNCTION__, + ecryptfs_page_idx, rc); + goto out; + } + if (start_offset_in_page) { + /* Read in the page from the lower + * into the eCryptfs inode page cache, + * decrypting */ + rc = ecryptfs_decrypt_page(ecryptfs_page); + if (rc) { + printk(KERN_ERR "%s: Error decrypting " + "page; rc = [%d]\n", + __FUNCTION__, rc); + ClearPageUptodate(ecryptfs_page); + page_cache_release(ecryptfs_page); + goto out; + } + } + ecryptfs_page_virt = kmap_atomic(ecryptfs_page, KM_USER0); + if (pos >= offset) { + memcpy(((char *)ecryptfs_page_virt + + start_offset_in_page), + (data + data_offset), num_bytes); + data_offset += num_bytes; + } else { + /* We are extending past the previous end of the file. + * Fill in zero values up to the start of where we + * will be writing data. */ + memset(((char *)ecryptfs_page_virt + + start_offset_in_page), 0, num_bytes); + } + kunmap_atomic(ecryptfs_page_virt, KM_USER0); + flush_dcache_page(ecryptfs_page); + SetPageUptodate(ecryptfs_page); + unlock_page(ecryptfs_page); + rc = ecryptfs_encrypt_page(ecryptfs_page); + page_cache_release(ecryptfs_page); + if (rc) { + printk(KERN_ERR "%s: Error encrypting " + "page; rc = [%d]\n", __FUNCTION__, rc); + goto out; + } + pos += num_bytes; + } + if ((offset + size) > ecryptfs_file_size) { + i_size_write(ecryptfs_file->f_dentry->d_inode, (offset + size)); + rc = ecryptfs_write_inode_size_to_metadata( + ecryptfs_file->f_dentry->d_inode); + if (rc) { + printk(KERN_ERR "Problem with " + "ecryptfs_write_inode_size_to_metadata; " + "rc = [%d]\n", rc); + goto out; + } + } +out: + return rc; +} + +/** + * ecryptfs_read_lower + * @data: The read data is stored here by this function + * @offset: Byte offset in the lower file from which to read the data + * @size: Number of bytes to read from @offset of the lower file and + * store into @data + * @ecryptfs_inode: The eCryptfs inode + * + * Read @size bytes of data at byte offset @offset from the lower + * inode into memory location @data. + * + * Returns zero on success; non-zero on error + */ +int ecryptfs_read_lower(char *data, loff_t offset, size_t size, + struct inode *ecryptfs_inode) +{ + struct ecryptfs_inode_info *inode_info = + ecryptfs_inode_to_private(ecryptfs_inode); + ssize_t octets_read; + mm_segment_t fs_save; + int rc = 0; + + mutex_lock(&inode_info->lower_file_mutex); + BUG_ON(!inode_info->lower_file); + inode_info->lower_file->f_pos = offset; + fs_save = get_fs(); + set_fs(get_ds()); + octets_read = vfs_read(inode_info->lower_file, data, size, + &inode_info->lower_file->f_pos); + set_fs(fs_save); + if (octets_read < 0) { + printk(KERN_ERR "%s: octets_read = [%td]; " + "expected [%td]\n", __FUNCTION__, octets_read, size); + rc = -EINVAL; + } + mutex_unlock(&inode_info->lower_file_mutex); + return rc; +} + +/** + * ecryptfs_read_lower_page_segment + * @page_for_ecryptfs: The page into which data for eCryptfs will be + * written + * @offset_in_page: Offset in @page_for_ecryptfs from which to start + * writing + * @size: The number of bytes to write into @page_for_ecryptfs + * @ecryptfs_inode: The eCryptfs inode + * + * Determines the byte offset in the file for the given page and + * offset within the page, maps the page, and makes the call to read + * the contents of @page_for_ecryptfs from the lower inode. + * + * Returns zero on success; non-zero otherwise + */ +int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, + pgoff_t page_index, + size_t offset_in_page, size_t size, + struct inode *ecryptfs_inode) +{ + char *virt; + loff_t offset; + int rc; + + offset = ((((loff_t)page_index) << PAGE_CACHE_SHIFT) + offset_in_page); + virt = kmap(page_for_ecryptfs); + rc = ecryptfs_read_lower(virt, offset, size, ecryptfs_inode); + kunmap(page_for_ecryptfs); + flush_dcache_page(page_for_ecryptfs); + return rc; +} + +/** + * ecryptfs_read + * @data: The virtual address into which to write the data read (and + * possibly decrypted) from the lower file + * @offset: The offset in the decrypted view of the file from which to + * read into @data + * @size: The number of bytes to read into @data + * @ecryptfs_file: The eCryptfs file from which to read + * + * Read an arbitrary amount of data from an arbitrary location in the + * eCryptfs page cache. This is done on an extent-by-extent basis; + * individual extents are decrypted and read from the lower page + * cache (via VFS reads). This function takes care of all the + * address translation to locations in the lower filesystem. + * + * Returns zero on success; non-zero otherwise + */ +int ecryptfs_read(char *data, loff_t offset, size_t size, + struct file *ecryptfs_file) +{ + struct page *ecryptfs_page; + char *ecryptfs_page_virt; + loff_t ecryptfs_file_size = + i_size_read(ecryptfs_file->f_dentry->d_inode); + loff_t data_offset = 0; + loff_t pos; + int rc = 0; + + if ((offset + size) > ecryptfs_file_size) { + rc = -EINVAL; + printk(KERN_ERR "%s: Attempt to read data past the end of the " + "file; offset = [%lld]; size = [%td]; " + "ecryptfs_file_size = [%lld]\n", + __FUNCTION__, offset, size, ecryptfs_file_size); + goto out; + } + pos = offset; + while (pos < (offset + size)) { + pgoff_t ecryptfs_page_idx = (pos >> PAGE_CACHE_SHIFT); + size_t start_offset_in_page = (pos & ~PAGE_CACHE_MASK); + size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page); + size_t total_remaining_bytes = ((offset + size) - pos); + + if (num_bytes > total_remaining_bytes) + num_bytes = total_remaining_bytes; + ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_file, + ecryptfs_page_idx); + if (IS_ERR(ecryptfs_page)) { + rc = PTR_ERR(ecryptfs_page); + printk(KERN_ERR "%s: Error getting page at " + "index [%ld] from eCryptfs inode " + "mapping; rc = [%d]\n", __FUNCTION__, + ecryptfs_page_idx, rc); + goto out; + } + rc = ecryptfs_decrypt_page(ecryptfs_page); + if (rc) { + printk(KERN_ERR "%s: Error decrypting " + "page; rc = [%d]\n", __FUNCTION__, rc); + ClearPageUptodate(ecryptfs_page); + page_cache_release(ecryptfs_page); + goto out; + } + ecryptfs_page_virt = kmap_atomic(ecryptfs_page, KM_USER0); + memcpy((data + data_offset), + ((char *)ecryptfs_page_virt + start_offset_in_page), + num_bytes); + kunmap_atomic(ecryptfs_page_virt, KM_USER0); + flush_dcache_page(ecryptfs_page); + SetPageUptodate(ecryptfs_page); + unlock_page(ecryptfs_page); + page_cache_release(ecryptfs_page); + pos += num_bytes; + data_offset += num_bytes; + } +out: + return rc; +} diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index 7b3f0cc09a6..f8cdab2bee3 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -27,6 +27,7 @@ #include <linux/mount.h> #include <linux/key.h> #include <linux/seq_file.h> +#include <linux/file.h> #include <linux/crypto.h> #include "ecryptfs_kernel.h" @@ -46,15 +47,16 @@ struct kmem_cache *ecryptfs_inode_info_cache; */ static struct inode *ecryptfs_alloc_inode(struct super_block *sb) { - struct ecryptfs_inode_info *ecryptfs_inode; + struct ecryptfs_inode_info *inode_info; struct inode *inode = NULL; - ecryptfs_inode = kmem_cache_alloc(ecryptfs_inode_info_cache, - GFP_KERNEL); - if (unlikely(!ecryptfs_inode)) + inode_info = kmem_cache_alloc(ecryptfs_inode_info_cache, GFP_KERNEL); + if (unlikely(!inode_info)) goto out; - ecryptfs_init_crypt_stat(&ecryptfs_inode->crypt_stat); - inode = &ecryptfs_inode->vfs_inode; + ecryptfs_init_crypt_stat(&inode_info->crypt_stat); + mutex_init(&inode_info->lower_file_mutex); + inode_info->lower_file = NULL; + inode = &inode_info->vfs_inode; out: return inode; } @@ -63,9 +65,10 @@ out: * ecryptfs_destroy_inode * @inode: The ecryptfs inode * - * This is used during the final destruction of the inode. - * All allocation of memory related to the inode, including allocated - * memory in the crypt_stat struct, will be released here. + * This is used during the final destruction of the inode. All + * allocation of memory related to the inode, including allocated + * memory in the crypt_stat struct, will be released here. This + * function also fput()'s the persistent file for the lower inode. * There should be no chance that this deallocation will be missed. */ static void ecryptfs_destroy_inode(struct inode *inode) @@ -73,7 +76,21 @@ static void ecryptfs_destroy_inode(struct inode *inode) struct ecryptfs_inode_info *inode_info; inode_info = ecryptfs_inode_to_private(inode); - ecryptfs_destruct_crypt_stat(&inode_info->crypt_stat); + mutex_lock(&inode_info->lower_file_mutex); + if (inode_info->lower_file) { + struct dentry *lower_dentry = + inode_info->lower_file->f_dentry; + + BUG_ON(!lower_dentry); + if (lower_dentry->d_inode) { + fput(inode_info->lower_file); + inode_info->lower_file = NULL; + d_drop(lower_dentry); + d_delete(lower_dentry); + } + } + mutex_unlock(&inode_info->lower_file_mutex); + ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat); kmem_cache_free(ecryptfs_inode_info_cache, inode_info); } @@ -104,7 +121,7 @@ static void ecryptfs_put_super(struct super_block *sb) { struct ecryptfs_sb_info *sb_info = ecryptfs_superblock_to_private(sb); - ecryptfs_destruct_mount_crypt_stat(&sb_info->mount_crypt_stat); + ecryptfs_destroy_mount_crypt_stat(&sb_info->mount_crypt_stat); kmem_cache_free(ecryptfs_sb_info_cache, sb_info); ecryptfs_set_superblock_private(sb, NULL); } diff --git a/fs/efs/super.c b/fs/efs/super.c index ce4acb8ff81..25d0326c5f1 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c @@ -69,7 +69,7 @@ static void efs_destroy_inode(struct inode *inode) kmem_cache_free(efs_inode_cachep, INODE_INFO(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct efs_inode_info *ei = (struct efs_inode_info *) foo; diff --git a/fs/exec.c b/fs/exec.c index 073b0b8c6d0..070ddf13cb7 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -29,6 +29,7 @@ #include <linux/stat.h> #include <linux/fcntl.h> #include <linux/smp_lock.h> +#include <linux/string.h> #include <linux/init.h> #include <linux/pagemap.h> #include <linux/highmem.h> @@ -63,52 +64,28 @@ int core_uses_pid; char core_pattern[CORENAME_MAX_SIZE] = "core"; int suid_dumpable = 0; -EXPORT_SYMBOL(suid_dumpable); /* The maximal length of core_pattern is also specified in sysctl.c */ -static struct linux_binfmt *formats; +static LIST_HEAD(formats); static DEFINE_RWLOCK(binfmt_lock); int register_binfmt(struct linux_binfmt * fmt) { - struct linux_binfmt ** tmp = &formats; - if (!fmt) return -EINVAL; - if (fmt->next) - return -EBUSY; write_lock(&binfmt_lock); - while (*tmp) { - if (fmt == *tmp) { - write_unlock(&binfmt_lock); - return -EBUSY; - } - tmp = &(*tmp)->next; - } - fmt->next = formats; - formats = fmt; + list_add(&fmt->lh, &formats); write_unlock(&binfmt_lock); return 0; } EXPORT_SYMBOL(register_binfmt); -int unregister_binfmt(struct linux_binfmt * fmt) +void unregister_binfmt(struct linux_binfmt * fmt) { - struct linux_binfmt ** tmp = &formats; - write_lock(&binfmt_lock); - while (*tmp) { - if (fmt == *tmp) { - *tmp = fmt->next; - fmt->next = NULL; - write_unlock(&binfmt_lock); - return 0; - } - tmp = &(*tmp)->next; - } + list_del(&fmt->lh); write_unlock(&binfmt_lock); - return -EINVAL; } EXPORT_SYMBOL(unregister_binfmt); @@ -134,9 +111,6 @@ asmlinkage long sys_uselib(const char __user * library) if (error) goto out; - error = -EACCES; - if (nd.mnt->mnt_flags & MNT_NOEXEC) - goto exit; error = -EINVAL; if (!S_ISREG(nd.dentry->d_inode->i_mode)) goto exit; @@ -155,7 +129,7 @@ asmlinkage long sys_uselib(const char __user * library) struct linux_binfmt * fmt; read_lock(&binfmt_lock); - for (fmt = formats ; fmt ; fmt = fmt->next) { + list_for_each_entry(fmt, &formats, lh) { if (!fmt->load_shlib) continue; if (!try_module_get(fmt->module)) @@ -680,8 +654,7 @@ struct file *open_exec(const char *name) if (!err) { struct inode *inode = nd.dentry->d_inode; file = ERR_PTR(-EACCES); - if (!(nd.mnt->mnt_flags & MNT_NOEXEC) && - S_ISREG(inode->i_mode)) { + if (S_ISREG(inode->i_mode)) { int err = vfs_permission(&nd, MAY_EXEC); file = ERR_PTR(err); if (!err) { @@ -773,24 +746,11 @@ static int exec_mmap(struct mm_struct *mm) static int de_thread(struct task_struct *tsk) { struct signal_struct *sig = tsk->signal; - struct sighand_struct *newsighand, *oldsighand = tsk->sighand; + struct sighand_struct *oldsighand = tsk->sighand; spinlock_t *lock = &oldsighand->siglock; struct task_struct *leader = NULL; int count; - /* - * If we don't share sighandlers, then we aren't sharing anything - * and we can just re-use it all. - */ - if (atomic_read(&oldsighand->count) <= 1) { - exit_itimers(sig); - return 0; - } - - newsighand = kmem_cache_alloc(sighand_cachep, GFP_KERNEL); - if (!newsighand) - return -ENOMEM; - if (thread_group_empty(tsk)) goto no_thread_group; @@ -807,7 +767,6 @@ static int de_thread(struct task_struct *tsk) */ spin_unlock_irq(lock); read_unlock(&tasklist_lock); - kmem_cache_free(sighand_cachep, newsighand); return -EAGAIN; } @@ -841,16 +800,15 @@ static int de_thread(struct task_struct *tsk) hrtimer_restart(&sig->real_timer); spin_lock_irq(lock); } + + sig->notify_count = count; + sig->group_exit_task = tsk; while (atomic_read(&sig->count) > count) { - sig->group_exit_task = tsk; - sig->notify_count = count; __set_current_state(TASK_UNINTERRUPTIBLE); spin_unlock_irq(lock); schedule(); spin_lock_irq(lock); } - sig->group_exit_task = NULL; - sig->notify_count = 0; spin_unlock_irq(lock); /* @@ -859,14 +817,17 @@ static int de_thread(struct task_struct *tsk) * and to assume its PID: */ if (!thread_group_leader(tsk)) { - /* - * Wait for the thread group leader to be a zombie. - * It should already be zombie at this point, most - * of the time. - */ leader = tsk->group_leader; - while (leader->exit_state != EXIT_ZOMBIE) - yield(); + + sig->notify_count = -1; + for (;;) { + write_lock_irq(&tasklist_lock); + if (likely(leader->exit_state)) + break; + __set_current_state(TASK_UNINTERRUPTIBLE); + write_unlock_irq(&tasklist_lock); + schedule(); + } /* * The only record we have of the real-time age of a @@ -880,8 +841,6 @@ static int de_thread(struct task_struct *tsk) */ tsk->start_time = leader->start_time; - write_lock_irq(&tasklist_lock); - BUG_ON(leader->tgid != tsk->tgid); BUG_ON(tsk->pid == tsk->tgid); /* @@ -914,6 +873,8 @@ static int de_thread(struct task_struct *tsk) write_unlock_irq(&tasklist_lock); } + sig->group_exit_task = NULL; + sig->notify_count = 0; /* * There may be one thread left which is just exiting, * but it's safe to stop telling the group to kill themselves. @@ -925,29 +886,23 @@ no_thread_group: if (leader) release_task(leader); - if (atomic_read(&oldsighand->count) == 1) { - /* - * Now that we nuked the rest of the thread group, - * it turns out we are not sharing sighand any more either. - * So we can just keep it. - */ - kmem_cache_free(sighand_cachep, newsighand); - } else { + if (atomic_read(&oldsighand->count) != 1) { + struct sighand_struct *newsighand; /* - * Move our state over to newsighand and switch it in. + * This ->sighand is shared with the CLONE_SIGHAND + * but not CLONE_THREAD task, switch to the new one. */ + newsighand = kmem_cache_alloc(sighand_cachep, GFP_KERNEL); + if (!newsighand) + return -ENOMEM; + atomic_set(&newsighand->count, 1); memcpy(newsighand->action, oldsighand->action, sizeof(newsighand->action)); write_lock_irq(&tasklist_lock); spin_lock(&oldsighand->siglock); - spin_lock_nested(&newsighand->siglock, SINGLE_DEPTH_NESTING); - rcu_assign_pointer(tsk->sighand, newsighand); - recalc_sigpending(); - - spin_unlock(&newsighand->siglock); spin_unlock(&oldsighand->siglock); write_unlock_irq(&tasklist_lock); @@ -957,12 +912,11 @@ no_thread_group: BUG_ON(!thread_group_leader(tsk)); return 0; } - + /* * These functions flushes out all traces of the currently running executable * so that a new one can be started */ - static void flush_old_files(struct files_struct * files) { long j = -1; @@ -1284,7 +1238,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) retval = -ENOENT; for (try=0; try<2; try++) { read_lock(&binfmt_lock); - for (fmt = formats ; fmt ; fmt = fmt->next) { + list_for_each_entry(fmt, &formats, lh) { int (*fn)(struct linux_binprm *, struct pt_regs *) = fmt->load_binary; if (!fn) continue; @@ -1537,6 +1491,14 @@ static int format_corename(char *corename, const char *pattern, long signr) goto out; out_ptr += rc; break; + /* core limit size */ + case 'c': + rc = snprintf(out_ptr, out_end - out_ptr, + "%lu", current->signal->rlim[RLIMIT_CORE].rlim_cur); + if (rc > out_end - out_ptr) + goto out; + out_ptr += rc; + break; default: break; } @@ -1699,7 +1661,6 @@ void set_dumpable(struct mm_struct *mm, int value) break; } } -EXPORT_SYMBOL_GPL(set_dumpable); int get_dumpable(struct mm_struct *mm) { @@ -1720,6 +1681,10 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs) int fsuid = current->fsuid; int flag = 0; int ispipe = 0; + unsigned long core_limit = current->signal->rlim[RLIMIT_CORE].rlim_cur; + char **helper_argv = NULL; + int helper_argc = 0; + char *delimit; audit_core_dumps(signr); @@ -1753,9 +1718,6 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs) */ clear_thread_flag(TIF_SIGPENDING); - if (current->signal->rlim[RLIMIT_CORE].rlim_cur < binfmt->min_coredump) - goto fail_unlock; - /* * lock_kernel() because format_corename() is controlled by sysctl, which * uses lock_kernel() @@ -1763,9 +1725,39 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs) lock_kernel(); ispipe = format_corename(corename, core_pattern, signr); unlock_kernel(); + /* + * Don't bother to check the RLIMIT_CORE value if core_pattern points + * to a pipe. Since we're not writing directly to the filesystem + * RLIMIT_CORE doesn't really apply, as no actual core file will be + * created unless the pipe reader choses to write out the core file + * at which point file size limits and permissions will be imposed + * as it does with any other process + */ + if ((!ispipe) && (core_limit < binfmt->min_coredump)) + goto fail_unlock; + if (ispipe) { + helper_argv = argv_split(GFP_KERNEL, corename+1, &helper_argc); + /* Terminate the string before the first option */ + delimit = strchr(corename, ' '); + if (delimit) + *delimit = '\0'; + delimit = strrchr(helper_argv[0], '/'); + if (delimit) + delimit++; + else + delimit = helper_argv[0]; + if (!strcmp(delimit, current->comm)) { + printk(KERN_NOTICE "Recursive core dump detected, " + "aborting\n"); + goto fail_unlock; + } + + core_limit = RLIM_INFINITY; + /* SIGPIPE can happen, but it's just never processed */ - if(call_usermodehelper_pipe(corename+1, NULL, NULL, &file)) { + if (call_usermodehelper_pipe(corename+1, helper_argv, NULL, + &file)) { printk(KERN_INFO "Core dump to %s pipe failed\n", corename); goto fail_unlock; @@ -1793,13 +1785,16 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs) if (!ispipe && do_truncate(file->f_path.dentry, 0, 0, file) != 0) goto close_fail; - retval = binfmt->core_dump(signr, regs, file); + retval = binfmt->core_dump(signr, regs, file, core_limit); if (retval) current->signal->group_exit_code |= 0x80; close_fail: filp_close(file, NULL); fail_unlock: + if (helper_argv) + argv_free(helper_argv); + current->fsuid = fsuid; complete_all(&mm->core_done); fail: diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index baf71dd721f..18a42de25b5 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -69,6 +69,14 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb, return desc + offset; } +static inline int +block_in_use(unsigned long block, struct super_block *sb, unsigned char *map) +{ + return ext2_test_bit ((block - + le32_to_cpu(EXT2_SB(sb)->s_es->s_first_data_block)) % + EXT2_BLOCKS_PER_GROUP(sb), map); +} + /* * Read the bitmap for a given block_group, reading into the specified * slot in the superblock's bitmap cache. @@ -78,55 +86,51 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb, static struct buffer_head * read_block_bitmap(struct super_block *sb, unsigned int block_group) { + int i; struct ext2_group_desc * desc; struct buffer_head * bh = NULL; - + unsigned int bitmap_blk; + desc = ext2_get_group_desc (sb, block_group, NULL); if (!desc) - goto error_out; - bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap)); + return NULL; + bitmap_blk = le32_to_cpu(desc->bg_block_bitmap); + bh = sb_bread(sb, bitmap_blk); if (!bh) - ext2_error (sb, "read_block_bitmap", + ext2_error (sb, __FUNCTION__, "Cannot read block bitmap - " "block_group = %d, block_bitmap = %u", block_group, le32_to_cpu(desc->bg_block_bitmap)); -error_out: - return bh; -} - -/* - * Set sb->s_dirt here because the superblock was "logically" altered. We - * need to recalculate its free blocks count and flush it out. - */ -static int reserve_blocks(struct super_block *sb, int count) -{ - struct ext2_sb_info *sbi = EXT2_SB(sb); - struct ext2_super_block *es = sbi->s_es; - unsigned free_blocks; - unsigned root_blocks; - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(es->s_r_blocks_count); - if (free_blocks < count) - count = free_blocks; - - if (free_blocks < root_blocks + count && !capable(CAP_SYS_RESOURCE) && - sbi->s_resuid != current->fsuid && - (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) { - /* - * We are too close to reserve and we are not privileged. - * Can we allocate anything at all? - */ - if (free_blocks > root_blocks) - count = free_blocks - root_blocks; - else - return 0; + /* check whether block bitmap block number is set */ + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; } + /* check whether the inode bitmap block number is set */ + bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap); + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + /* check whether the inode table block number is set */ + bitmap_blk = le32_to_cpu(desc->bg_inode_table); + for (i = 0; i < EXT2_SB(sb)->s_itb_per_group; i++, bitmap_blk++) { + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + } + + return bh; - percpu_counter_mod(&sbi->s_freeblocks_counter, -count); - sb->s_dirt = 1; - return count; +error_out: + brelse(bh); + ext2_error(sb, __FUNCTION__, + "Invalid block bitmap - " + "block_group = %d, block = %u", + block_group, bitmap_blk); + return NULL; } static void release_blocks(struct super_block *sb, int count) @@ -134,30 +138,12 @@ static void release_blocks(struct super_block *sb, int count) if (count) { struct ext2_sb_info *sbi = EXT2_SB(sb); - percpu_counter_mod(&sbi->s_freeblocks_counter, count); + percpu_counter_add(&sbi->s_freeblocks_counter, count); sb->s_dirt = 1; } } -static int group_reserve_blocks(struct ext2_sb_info *sbi, int group_no, - struct ext2_group_desc *desc, struct buffer_head *bh, int count) -{ - unsigned free_blocks; - - if (!desc->bg_free_blocks_count) - return 0; - - spin_lock(sb_bgl_lock(sbi, group_no)); - free_blocks = le16_to_cpu(desc->bg_free_blocks_count); - if (free_blocks < count) - count = free_blocks; - desc->bg_free_blocks_count = cpu_to_le16(free_blocks - count); - spin_unlock(sb_bgl_lock(sbi, group_no)); - mark_buffer_dirty(bh); - return count; -} - -static void group_release_blocks(struct super_block *sb, int group_no, +static void group_adjust_blocks(struct super_block *sb, int group_no, struct ext2_group_desc *desc, struct buffer_head *bh, int count) { if (count) { @@ -173,7 +159,306 @@ static void group_release_blocks(struct super_block *sb, int group_no, } } -/* Free given blocks, update quota and i_blocks field */ +/* + * The reservation window structure operations + * -------------------------------------------- + * Operations include: + * dump, find, add, remove, is_empty, find_next_reservable_window, etc. + * + * We use a red-black tree to represent per-filesystem reservation + * windows. + * + */ + +/** + * __rsv_window_dump() -- Dump the filesystem block allocation reservation map + * @rb_root: root of per-filesystem reservation rb tree + * @verbose: verbose mode + * @fn: function which wishes to dump the reservation map + * + * If verbose is turned on, it will print the whole block reservation + * windows(start, end). Otherwise, it will only print out the "bad" windows, + * those windows that overlap with their immediate neighbors. + */ +#if 1 +static void __rsv_window_dump(struct rb_root *root, int verbose, + const char *fn) +{ + struct rb_node *n; + struct ext2_reserve_window_node *rsv, *prev; + int bad; + +restart: + n = rb_first(root); + bad = 0; + prev = NULL; + + printk("Block Allocation Reservation Windows Map (%s):\n", fn); + while (n) { + rsv = rb_entry(n, struct ext2_reserve_window_node, rsv_node); + if (verbose) + printk("reservation window 0x%p " + "start: %lu, end: %lu\n", + rsv, rsv->rsv_start, rsv->rsv_end); + if (rsv->rsv_start && rsv->rsv_start >= rsv->rsv_end) { + printk("Bad reservation %p (start >= end)\n", + rsv); + bad = 1; + } + if (prev && prev->rsv_end >= rsv->rsv_start) { + printk("Bad reservation %p (prev->end >= start)\n", + rsv); + bad = 1; + } + if (bad) { + if (!verbose) { + printk("Restarting reservation walk in verbose mode\n"); + verbose = 1; + goto restart; + } + } + n = rb_next(n); + prev = rsv; + } + printk("Window map complete.\n"); + if (bad) + BUG(); +} +#define rsv_window_dump(root, verbose) \ + __rsv_window_dump((root), (verbose), __FUNCTION__) +#else +#define rsv_window_dump(root, verbose) do {} while (0) +#endif + +/** + * goal_in_my_reservation() + * @rsv: inode's reservation window + * @grp_goal: given goal block relative to the allocation block group + * @group: the current allocation block group + * @sb: filesystem super block + * + * Test if the given goal block (group relative) is within the file's + * own block reservation window range. + * + * If the reservation window is outside the goal allocation group, return 0; + * grp_goal (given goal block) could be -1, which means no specific + * goal block. In this case, always return 1. + * If the goal block is within the reservation window, return 1; + * otherwise, return 0; + */ +static int +goal_in_my_reservation(struct ext2_reserve_window *rsv, ext2_grpblk_t grp_goal, + unsigned int group, struct super_block * sb) +{ + ext2_fsblk_t group_first_block, group_last_block; + + group_first_block = ext2_group_first_block_no(sb, group); + group_last_block = group_first_block + EXT2_BLOCKS_PER_GROUP(sb) - 1; + + if ((rsv->_rsv_start > group_last_block) || + (rsv->_rsv_end < group_first_block)) + return 0; + if ((grp_goal >= 0) && ((grp_goal + group_first_block < rsv->_rsv_start) + || (grp_goal + group_first_block > rsv->_rsv_end))) + return 0; + return 1; +} + +/** + * search_reserve_window() + * @rb_root: root of reservation tree + * @goal: target allocation block + * + * Find the reserved window which includes the goal, or the previous one + * if the goal is not in any window. + * Returns NULL if there are no windows or if all windows start after the goal. + */ +static struct ext2_reserve_window_node * +search_reserve_window(struct rb_root *root, ext2_fsblk_t goal) +{ + struct rb_node *n = root->rb_node; + struct ext2_reserve_window_node *rsv; + + if (!n) + return NULL; + + do { + rsv = rb_entry(n, struct ext2_reserve_window_node, rsv_node); + + if (goal < rsv->rsv_start) + n = n->rb_left; + else if (goal > rsv->rsv_end) + n = n->rb_right; + else + return rsv; + } while (n); + /* + * We've fallen off the end of the tree: the goal wasn't inside + * any particular node. OK, the previous node must be to one + * side of the interval containing the goal. If it's the RHS, + * we need to back up one. + */ + if (rsv->rsv_start > goal) { + n = rb_prev(&rsv->rsv_node); + rsv = rb_entry(n, struct ext2_reserve_window_node, rsv_node); + } + return rsv; +} + +/* + * ext2_rsv_window_add() -- Insert a window to the block reservation rb tree. + * @sb: super block + * @rsv: reservation window to add + * + * Must be called with rsv_lock held. + */ +void ext2_rsv_window_add(struct super_block *sb, + struct ext2_reserve_window_node *rsv) +{ + struct rb_root *root = &EXT2_SB(sb)->s_rsv_window_root; + struct rb_node *node = &rsv->rsv_node; + ext2_fsblk_t start = rsv->rsv_start; + + struct rb_node ** p = &root->rb_node; + struct rb_node * parent = NULL; + struct ext2_reserve_window_node *this; + + while (*p) + { + parent = *p; + this = rb_entry(parent, struct ext2_reserve_window_node, rsv_node); + + if (start < this->rsv_start) + p = &(*p)->rb_left; + else if (start > this->rsv_end) + p = &(*p)->rb_right; + else { + rsv_window_dump(root, 1); + BUG(); + } + } + + rb_link_node(node, parent, p); + rb_insert_color(node, root); +} + +/** + * rsv_window_remove() -- unlink a window from the reservation rb tree + * @sb: super block + * @rsv: reservation window to remove + * + * Mark the block reservation window as not allocated, and unlink it + * from the filesystem reservation window rb tree. Must be called with + * rsv_lock held. + */ +static void rsv_window_remove(struct super_block *sb, + struct ext2_reserve_window_node *rsv) +{ + rsv->rsv_start = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + rsv->rsv_end = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + rsv->rsv_alloc_hit = 0; + rb_erase(&rsv->rsv_node, &EXT2_SB(sb)->s_rsv_window_root); +} + +/* + * rsv_is_empty() -- Check if the reservation window is allocated. + * @rsv: given reservation window to check + * + * returns 1 if the end block is EXT2_RESERVE_WINDOW_NOT_ALLOCATED. + */ +static inline int rsv_is_empty(struct ext2_reserve_window *rsv) +{ + /* a valid reservation end block could not be 0 */ + return (rsv->_rsv_end == EXT2_RESERVE_WINDOW_NOT_ALLOCATED); +} + +/** + * ext2_init_block_alloc_info() + * @inode: file inode structure + * + * Allocate and initialize the reservation window structure, and + * link the window to the ext2 inode structure at last + * + * The reservation window structure is only dynamically allocated + * and linked to ext2 inode the first time the open file + * needs a new block. So, before every ext2_new_block(s) call, for + * regular files, we should check whether the reservation window + * structure exists or not. In the latter case, this function is called. + * Fail to do so will result in block reservation being turned off for that + * open file. + * + * This function is called from ext2_get_blocks_handle(), also called + * when setting the reservation window size through ioctl before the file + * is open for write (needs block allocation). + * + * Needs truncate_mutex protection prior to calling this function. + */ +void ext2_init_block_alloc_info(struct inode *inode) +{ + struct ext2_inode_info *ei = EXT2_I(inode); + struct ext2_block_alloc_info *block_i = ei->i_block_alloc_info; + struct super_block *sb = inode->i_sb; + + block_i = kmalloc(sizeof(*block_i), GFP_NOFS); + if (block_i) { + struct ext2_reserve_window_node *rsv = &block_i->rsv_window_node; + + rsv->rsv_start = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + rsv->rsv_end = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + + /* + * if filesystem is mounted with NORESERVATION, the goal + * reservation window size is set to zero to indicate + * block reservation is off + */ + if (!test_opt(sb, RESERVATION)) + rsv->rsv_goal_size = 0; + else + rsv->rsv_goal_size = EXT2_DEFAULT_RESERVE_BLOCKS; + rsv->rsv_alloc_hit = 0; + block_i->last_alloc_logical_block = 0; + block_i->last_alloc_physical_block = 0; + } + ei->i_block_alloc_info = block_i; +} + +/** + * ext2_discard_reservation() + * @inode: inode + * + * Discard(free) block reservation window on last file close, or truncate + * or at last iput(). + * + * It is being called in three cases: + * ext2_release_file(): last writer closes the file + * ext2_clear_inode(): last iput(), when nobody links to this file. + * ext2_truncate(): when the block indirect map is about to change. + */ +void ext2_discard_reservation(struct inode *inode) +{ + struct ext2_inode_info *ei = EXT2_I(inode); + struct ext2_block_alloc_info *block_i = ei->i_block_alloc_info; + struct ext2_reserve_window_node *rsv; + spinlock_t *rsv_lock = &EXT2_SB(inode->i_sb)->s_rsv_window_lock; + + if (!block_i) + return; + + rsv = &block_i->rsv_window_node; + if (!rsv_is_empty(&rsv->rsv_window)) { + spin_lock(rsv_lock); + if (!rsv_is_empty(&rsv->rsv_window)) + rsv_window_remove(inode->i_sb, rsv); + spin_unlock(rsv_lock); + } +} + +/** + * ext2_free_blocks_sb() -- Free given blocks and update quota and i_blocks + * @inode: inode + * @block: start physcial block to free + * @count: number of blocks to free + */ void ext2_free_blocks (struct inode * inode, unsigned long block, unsigned long count) { @@ -248,7 +533,7 @@ do_more: if (sb->s_flags & MS_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); - group_release_blocks(sb, block_group, desc, bh2, group_freed); + group_adjust_blocks(sb, block_group, desc, bh2, group_freed); freed += group_freed; if (overflow) { @@ -262,16 +547,46 @@ error_return: DQUOT_FREE_BLOCK(inode, freed); } -static int grab_block(spinlock_t *lock, char *map, unsigned size, int goal) +/** + * bitmap_search_next_usable_block() + * @start: the starting block (group relative) of the search + * @bh: bufferhead contains the block group bitmap + * @maxblocks: the ending block (group relative) of the reservation + * + * The bitmap search --- search forward through the actual bitmap on disk until + * we find a bit free. + */ +static ext2_grpblk_t +bitmap_search_next_usable_block(ext2_grpblk_t start, struct buffer_head *bh, + ext2_grpblk_t maxblocks) { - int k; - char *p, *r; + ext2_grpblk_t next; - if (!ext2_test_bit(goal, map)) - goto got_it; + next = ext2_find_next_zero_bit(bh->b_data, maxblocks, start); + if (next >= maxblocks) + return -1; + return next; +} -repeat: - if (goal) { +/** + * find_next_usable_block() + * @start: the starting block (group relative) to find next + * allocatable block in bitmap. + * @bh: bufferhead contains the block group bitmap + * @maxblocks: the ending block (group relative) for the search + * + * Find an allocatable block in a bitmap. We perform the "most + * appropriate allocation" algorithm of looking for a free block near + * the initial goal; then for a free byte somewhere in the bitmap; + * then for any free bit in the bitmap. + */ +static ext2_grpblk_t +find_next_usable_block(int start, struct buffer_head *bh, int maxblocks) +{ + ext2_grpblk_t here, next; + char *p, *r; + + if (start > 0) { /* * The goal was occupied; search forward for a free * block within the next XX blocks. @@ -280,249 +595,812 @@ repeat: * less than EXT2_BLOCKS_PER_GROUP. Aligning up to the * next 64-bit boundary is simple.. */ - k = (goal + 63) & ~63; - goal = ext2_find_next_zero_bit(map, k, goal); - if (goal < k) - goto got_it; + ext2_grpblk_t end_goal = (start + 63) & ~63; + if (end_goal > maxblocks) + end_goal = maxblocks; + here = ext2_find_next_zero_bit(bh->b_data, end_goal, start); + if (here < end_goal) + return here; + ext2_debug("Bit not found near goal\n"); + } + + here = start; + if (here < 0) + here = 0; + + p = ((char *)bh->b_data) + (here >> 3); + r = memscan(p, 0, ((maxblocks + 7) >> 3) - (here >> 3)); + next = (r - ((char *)bh->b_data)) << 3; + + if (next < maxblocks && next >= here) + return next; + + here = bitmap_search_next_usable_block(here, bh, maxblocks); + return here; +} + +/* + * ext2_try_to_allocate() + * @sb: superblock + * @handle: handle to this transaction + * @group: given allocation block group + * @bitmap_bh: bufferhead holds the block bitmap + * @grp_goal: given target block within the group + * @count: target number of blocks to allocate + * @my_rsv: reservation window + * + * Attempt to allocate blocks within a give range. Set the range of allocation + * first, then find the first free bit(s) from the bitmap (within the range), + * and at last, allocate the blocks by claiming the found free bit as allocated. + * + * To set the range of this allocation: + * if there is a reservation window, only try to allocate block(s) + * from the file's own reservation window; + * Otherwise, the allocation range starts from the give goal block, + * ends at the block group's last block. + * + * If we failed to allocate the desired block then we may end up crossing to a + * new bitmap. + */ +static int +ext2_try_to_allocate(struct super_block *sb, int group, + struct buffer_head *bitmap_bh, ext2_grpblk_t grp_goal, + unsigned long *count, + struct ext2_reserve_window *my_rsv) +{ + ext2_fsblk_t group_first_block; + ext2_grpblk_t start, end; + unsigned long num = 0; + + /* we do allocation within the reservation window if we have a window */ + if (my_rsv) { + group_first_block = ext2_group_first_block_no(sb, group); + if (my_rsv->_rsv_start >= group_first_block) + start = my_rsv->_rsv_start - group_first_block; + else + /* reservation window cross group boundary */ + start = 0; + end = my_rsv->_rsv_end - group_first_block + 1; + if (end > EXT2_BLOCKS_PER_GROUP(sb)) + /* reservation window crosses group boundary */ + end = EXT2_BLOCKS_PER_GROUP(sb); + if ((start <= grp_goal) && (grp_goal < end)) + start = grp_goal; + else + grp_goal = -1; + } else { + if (grp_goal > 0) + start = grp_goal; + else + start = 0; + end = EXT2_BLOCKS_PER_GROUP(sb); + } + + BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb)); + +repeat: + if (grp_goal < 0) { + grp_goal = find_next_usable_block(start, bitmap_bh, end); + if (grp_goal < 0) + goto fail_access; + if (!my_rsv) { + int i; + + for (i = 0; i < 7 && grp_goal > start && + !ext2_test_bit(grp_goal - 1, + bitmap_bh->b_data); + i++, grp_goal--) + ; + } + } + start = grp_goal; + + if (ext2_set_bit_atomic(sb_bgl_lock(EXT2_SB(sb), group), grp_goal, + bitmap_bh->b_data)) { + /* + * The block was allocated by another thread, or it was + * allocated and then freed by another thread + */ + start++; + grp_goal++; + if (start >= end) + goto fail_access; + goto repeat; + } + num++; + grp_goal++; + while (num < *count && grp_goal < end + && !ext2_set_bit_atomic(sb_bgl_lock(EXT2_SB(sb), group), + grp_goal, bitmap_bh->b_data)) { + num++; + grp_goal++; + } + *count = num; + return grp_goal - num; +fail_access: + *count = num; + return -1; +} + +/** + * find_next_reservable_window(): + * find a reservable space within the given range. + * It does not allocate the reservation window for now: + * alloc_new_reservation() will do the work later. + * + * @search_head: the head of the searching list; + * This is not necessarily the list head of the whole filesystem + * + * We have both head and start_block to assist the search + * for the reservable space. The list starts from head, + * but we will shift to the place where start_block is, + * then start from there, when looking for a reservable space. + * + * @size: the target new reservation window size + * + * @group_first_block: the first block we consider to start + * the real search from + * + * @last_block: + * the maximum block number that our goal reservable space + * could start from. This is normally the last block in this + * group. The search will end when we found the start of next + * possible reservable space is out of this boundary. + * This could handle the cross boundary reservation window + * request. + * + * basically we search from the given range, rather than the whole + * reservation double linked list, (start_block, last_block) + * to find a free region that is of my size and has not + * been reserved. + * + */ +static int find_next_reservable_window( + struct ext2_reserve_window_node *search_head, + struct ext2_reserve_window_node *my_rsv, + struct super_block * sb, + ext2_fsblk_t start_block, + ext2_fsblk_t last_block) +{ + struct rb_node *next; + struct ext2_reserve_window_node *rsv, *prev; + ext2_fsblk_t cur; + int size = my_rsv->rsv_goal_size; + + /* TODO: make the start of the reservation window byte-aligned */ + /* cur = *start_block & ~7;*/ + cur = start_block; + rsv = search_head; + if (!rsv) + return -1; + + while (1) { + if (cur <= rsv->rsv_end) + cur = rsv->rsv_end + 1; + + /* TODO? + * in the case we could not find a reservable space + * that is what is expected, during the re-search, we could + * remember what's the largest reservable space we could have + * and return that one. + * + * For now it will fail if we could not find the reservable + * space with expected-size (or more)... + */ + if (cur > last_block) + return -1; /* fail */ + + prev = rsv; + next = rb_next(&rsv->rsv_node); + rsv = rb_entry(next,struct ext2_reserve_window_node,rsv_node); + + /* + * Reached the last reservation, we can just append to the + * previous one. + */ + if (!next) + break; + + if (cur + size <= rsv->rsv_start) { + /* + * Found a reserveable space big enough. We could + * have a reservation across the group boundary here + */ + break; + } + } + /* + * we come here either : + * when we reach the end of the whole list, + * and there is empty reservable space after last entry in the list. + * append it to the end of the list. + * + * or we found one reservable space in the middle of the list, + * return the reservation window that we could append to. + * succeed. + */ + + if ((prev != my_rsv) && (!rsv_is_empty(&my_rsv->rsv_window))) + rsv_window_remove(sb, my_rsv); + + /* + * Let's book the whole avaliable window for now. We will check the + * disk bitmap later and then, if there are free blocks then we adjust + * the window size if it's larger than requested. + * Otherwise, we will remove this node from the tree next time + * call find_next_reservable_window. + */ + my_rsv->rsv_start = cur; + my_rsv->rsv_end = cur + size - 1; + my_rsv->rsv_alloc_hit = 0; + + if (prev != my_rsv) + ext2_rsv_window_add(sb, my_rsv); + + return 0; +} + +/** + * alloc_new_reservation()--allocate a new reservation window + * + * To make a new reservation, we search part of the filesystem + * reservation list (the list that inside the group). We try to + * allocate a new reservation window near the allocation goal, + * or the beginning of the group, if there is no goal. + * + * We first find a reservable space after the goal, then from + * there, we check the bitmap for the first free block after + * it. If there is no free block until the end of group, then the + * whole group is full, we failed. Otherwise, check if the free + * block is inside the expected reservable space, if so, we + * succeed. + * If the first free block is outside the reservable space, then + * start from the first free block, we search for next available + * space, and go on. + * + * on succeed, a new reservation will be found and inserted into the list + * It contains at least one free block, and it does not overlap with other + * reservation windows. + * + * failed: we failed to find a reservation window in this group + * + * @rsv: the reservation + * + * @grp_goal: The goal (group-relative). It is where the search for a + * free reservable space should start from. + * if we have a goal(goal >0 ), then start from there, + * no goal(goal = -1), we start from the first block + * of the group. + * + * @sb: the super block + * @group: the group we are trying to allocate in + * @bitmap_bh: the block group block bitmap + * + */ +static int alloc_new_reservation(struct ext2_reserve_window_node *my_rsv, + ext2_grpblk_t grp_goal, struct super_block *sb, + unsigned int group, struct buffer_head *bitmap_bh) +{ + struct ext2_reserve_window_node *search_head; + ext2_fsblk_t group_first_block, group_end_block, start_block; + ext2_grpblk_t first_free_block; + struct rb_root *fs_rsv_root = &EXT2_SB(sb)->s_rsv_window_root; + unsigned long size; + int ret; + spinlock_t *rsv_lock = &EXT2_SB(sb)->s_rsv_window_lock; + + group_first_block = ext2_group_first_block_no(sb, group); + group_end_block = group_first_block + (EXT2_BLOCKS_PER_GROUP(sb) - 1); + + if (grp_goal < 0) + start_block = group_first_block; + else + start_block = grp_goal + group_first_block; + + size = my_rsv->rsv_goal_size; + + if (!rsv_is_empty(&my_rsv->rsv_window)) { /* - * Search in the remainder of the current group. + * if the old reservation is cross group boundary + * and if the goal is inside the old reservation window, + * we will come here when we just failed to allocate from + * the first part of the window. We still have another part + * that belongs to the next group. In this case, there is no + * point to discard our window and try to allocate a new one + * in this group(which will fail). we should + * keep the reservation window, just simply move on. + * + * Maybe we could shift the start block of the reservation + * window to the first block of next group. */ + + if ((my_rsv->rsv_start <= group_end_block) && + (my_rsv->rsv_end > group_end_block) && + (start_block >= my_rsv->rsv_start)) + return -1; + + if ((my_rsv->rsv_alloc_hit > + (my_rsv->rsv_end - my_rsv->rsv_start + 1) / 2)) { + /* + * if the previously allocation hit ratio is + * greater than 1/2, then we double the size of + * the reservation window the next time, + * otherwise we keep the same size window + */ + size = size * 2; + if (size > EXT2_MAX_RESERVE_BLOCKS) + size = EXT2_MAX_RESERVE_BLOCKS; + my_rsv->rsv_goal_size= size; + } } - p = map + (goal >> 3); - r = memscan(p, 0, (size - goal + 7) >> 3); - k = (r - map) << 3; - if (k < size) { - /* - * We have succeeded in finding a free byte in the block - * bitmap. Now search backwards to find the start of this - * group of free blocks - won't take more than 7 iterations. + spin_lock(rsv_lock); + /* + * shift the search start to the window near the goal block + */ + search_head = search_reserve_window(fs_rsv_root, start_block); + + /* + * find_next_reservable_window() simply finds a reservable window + * inside the given range(start_block, group_end_block). + * + * To make sure the reservation window has a free bit inside it, we + * need to check the bitmap after we found a reservable window. + */ +retry: + ret = find_next_reservable_window(search_head, my_rsv, sb, + start_block, group_end_block); + + if (ret == -1) { + if (!rsv_is_empty(&my_rsv->rsv_window)) + rsv_window_remove(sb, my_rsv); + spin_unlock(rsv_lock); + return -1; + } + + /* + * On success, find_next_reservable_window() returns the + * reservation window where there is a reservable space after it. + * Before we reserve this reservable space, we need + * to make sure there is at least a free block inside this region. + * + * Search the first free bit on the block bitmap. Search starts from + * the start block of the reservable space we just found. + */ + spin_unlock(rsv_lock); + first_free_block = bitmap_search_next_usable_block( + my_rsv->rsv_start - group_first_block, + bitmap_bh, group_end_block - group_first_block + 1); + + if (first_free_block < 0) { + /* + * no free block left on the bitmap, no point + * to reserve the space. return failed. */ - for (goal = k; goal && !ext2_test_bit (goal - 1, map); goal--) - ; - goto got_it; + spin_lock(rsv_lock); + if (!rsv_is_empty(&my_rsv->rsv_window)) + rsv_window_remove(sb, my_rsv); + spin_unlock(rsv_lock); + return -1; /* failed */ } - k = ext2_find_next_zero_bit ((u32 *)map, size, goal); - if (k < size) { - goal = k; - goto got_it; + start_block = first_free_block + group_first_block; + /* + * check if the first free block is within the + * free space we just reserved + */ + if (start_block >= my_rsv->rsv_start && start_block <= my_rsv->rsv_end) + return 0; /* success */ + /* + * if the first free bit we found is out of the reservable space + * continue search for next reservable space, + * start from where the free block is, + * we also shift the list head to where we stopped last time + */ + search_head = my_rsv; + spin_lock(rsv_lock); + goto retry; +} + +/** + * try_to_extend_reservation() + * @my_rsv: given reservation window + * @sb: super block + * @size: the delta to extend + * + * Attempt to expand the reservation window large enough to have + * required number of free blocks + * + * Since ext2_try_to_allocate() will always allocate blocks within + * the reservation window range, if the window size is too small, + * multiple blocks allocation has to stop at the end of the reservation + * window. To make this more efficient, given the total number of + * blocks needed and the current size of the window, we try to + * expand the reservation window size if necessary on a best-effort + * basis before ext2_new_blocks() tries to allocate blocks. + */ +static void try_to_extend_reservation(struct ext2_reserve_window_node *my_rsv, + struct super_block *sb, int size) +{ + struct ext2_reserve_window_node *next_rsv; + struct rb_node *next; + spinlock_t *rsv_lock = &EXT2_SB(sb)->s_rsv_window_lock; + + if (!spin_trylock(rsv_lock)) + return; + + next = rb_next(&my_rsv->rsv_node); + + if (!next) + my_rsv->rsv_end += size; + else { + next_rsv = rb_entry(next, struct ext2_reserve_window_node, rsv_node); + + if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size) + my_rsv->rsv_end += size; + else + my_rsv->rsv_end = next_rsv->rsv_start - 1; } - return -1; -got_it: - if (ext2_set_bit_atomic(lock, goal, (void *) map)) - goto repeat; - return goal; + spin_unlock(rsv_lock); +} + +/** + * ext2_try_to_allocate_with_rsv() + * @sb: superblock + * @group: given allocation block group + * @bitmap_bh: bufferhead holds the block bitmap + * @grp_goal: given target block within the group + * @count: target number of blocks to allocate + * @my_rsv: reservation window + * + * This is the main function used to allocate a new block and its reservation + * window. + * + * Each time when a new block allocation is need, first try to allocate from + * its own reservation. If it does not have a reservation window, instead of + * looking for a free bit on bitmap first, then look up the reservation list to + * see if it is inside somebody else's reservation window, we try to allocate a + * reservation window for it starting from the goal first. Then do the block + * allocation within the reservation window. + * + * This will avoid keeping on searching the reservation list again and + * again when somebody is looking for a free block (without + * reservation), and there are lots of free blocks, but they are all + * being reserved. + * + * We use a red-black tree for the per-filesystem reservation list. + */ +static ext2_grpblk_t +ext2_try_to_allocate_with_rsv(struct super_block *sb, unsigned int group, + struct buffer_head *bitmap_bh, ext2_grpblk_t grp_goal, + struct ext2_reserve_window_node * my_rsv, + unsigned long *count) +{ + ext2_fsblk_t group_first_block, group_last_block; + ext2_grpblk_t ret = 0; + unsigned long num = *count; + + /* + * we don't deal with reservation when + * filesystem is mounted without reservation + * or the file is not a regular file + * or last attempt to allocate a block with reservation turned on failed + */ + if (my_rsv == NULL) { + return ext2_try_to_allocate(sb, group, bitmap_bh, + grp_goal, count, NULL); + } + /* + * grp_goal is a group relative block number (if there is a goal) + * 0 <= grp_goal < EXT2_BLOCKS_PER_GROUP(sb) + * first block is a filesystem wide block number + * first block is the block number of the first block in this group + */ + group_first_block = ext2_group_first_block_no(sb, group); + group_last_block = group_first_block + (EXT2_BLOCKS_PER_GROUP(sb) - 1); + + /* + * Basically we will allocate a new block from inode's reservation + * window. + * + * We need to allocate a new reservation window, if: + * a) inode does not have a reservation window; or + * b) last attempt to allocate a block from existing reservation + * failed; or + * c) we come here with a goal and with a reservation window + * + * We do not need to allocate a new reservation window if we come here + * at the beginning with a goal and the goal is inside the window, or + * we don't have a goal but already have a reservation window. + * then we could go to allocate from the reservation window directly. + */ + while (1) { + if (rsv_is_empty(&my_rsv->rsv_window) || (ret < 0) || + !goal_in_my_reservation(&my_rsv->rsv_window, + grp_goal, group, sb)) { + if (my_rsv->rsv_goal_size < *count) + my_rsv->rsv_goal_size = *count; + ret = alloc_new_reservation(my_rsv, grp_goal, sb, + group, bitmap_bh); + if (ret < 0) + break; /* failed */ + + if (!goal_in_my_reservation(&my_rsv->rsv_window, + grp_goal, group, sb)) + grp_goal = -1; + } else if (grp_goal >= 0) { + int curr = my_rsv->rsv_end - + (grp_goal + group_first_block) + 1; + + if (curr < *count) + try_to_extend_reservation(my_rsv, sb, + *count - curr); + } + + if ((my_rsv->rsv_start > group_last_block) || + (my_rsv->rsv_end < group_first_block)) { + rsv_window_dump(&EXT2_SB(sb)->s_rsv_window_root, 1); + BUG(); + } + ret = ext2_try_to_allocate(sb, group, bitmap_bh, grp_goal, + &num, &my_rsv->rsv_window); + if (ret >= 0) { + my_rsv->rsv_alloc_hit += num; + *count = num; + break; /* succeed */ + } + num = *count; + } + return ret; +} + +/** + * ext2_has_free_blocks() + * @sbi: in-core super block structure. + * + * Check if filesystem has at least 1 free block available for allocation. + */ +static int ext2_has_free_blocks(struct ext2_sb_info *sbi) +{ + ext2_fsblk_t free_blocks, root_blocks; + + free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); + root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); + if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && + sbi->s_resuid != current->fsuid && + (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) { + return 0; + } + return 1; } /* - * ext2_new_block uses a goal block to assist allocation. If the goal is + * ext2_new_blocks() -- core block(s) allocation function + * @inode: file inode + * @goal: given target block(filesystem wide) + * @count: target number of blocks to allocate + * @errp: error code + * + * ext2_new_blocks uses a goal block to assist allocation. If the goal is * free, or there is a free block within 32 blocks of the goal, that block * is allocated. Otherwise a forward search is made for a free block; within * each block group the search first looks for an entire free byte in the block * bitmap, and then for any free bit if that fails. * This function also updates quota and i_blocks field. */ -int ext2_new_block(struct inode *inode, unsigned long goal, - u32 *prealloc_count, u32 *prealloc_block, int *err) +ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal, + unsigned long *count, int *errp) { struct buffer_head *bitmap_bh = NULL; - struct buffer_head *gdp_bh; /* bh2 */ - struct ext2_group_desc *desc; - int group_no; /* i */ - int ret_block; /* j */ - int group_idx; /* k */ - int target_block; /* tmp */ - int block = 0; - struct super_block *sb = inode->i_sb; - struct ext2_sb_info *sbi = EXT2_SB(sb); - struct ext2_super_block *es = sbi->s_es; - unsigned group_size = EXT2_BLOCKS_PER_GROUP(sb); - unsigned prealloc_goal = es->s_prealloc_blocks; - unsigned group_alloc = 0, es_alloc, dq_alloc; - int nr_scanned_groups; - - if (!prealloc_goal--) - prealloc_goal = EXT2_DEFAULT_PREALLOC_BLOCKS - 1; - if (!prealloc_count || *prealloc_count) - prealloc_goal = 0; - - if (DQUOT_ALLOC_BLOCK(inode, 1)) { - *err = -EDQUOT; - goto out; + struct buffer_head *gdp_bh; + int group_no; + int goal_group; + ext2_grpblk_t grp_target_blk; /* blockgroup relative goal block */ + ext2_grpblk_t grp_alloc_blk; /* blockgroup-relative allocated block*/ + ext2_fsblk_t ret_block; /* filesyetem-wide allocated block */ + int bgi; /* blockgroup iteration index */ + int performed_allocation = 0; + ext2_grpblk_t free_blocks; /* number of free blocks in a group */ + struct super_block *sb; + struct ext2_group_desc *gdp; + struct ext2_super_block *es; + struct ext2_sb_info *sbi; + struct ext2_reserve_window_node *my_rsv = NULL; + struct ext2_block_alloc_info *block_i; + unsigned short windowsz = 0; + unsigned long ngroups; + unsigned long num = *count; + + *errp = -ENOSPC; + sb = inode->i_sb; + if (!sb) { + printk("ext2_new_blocks: nonexistent device"); + return 0; } - while (prealloc_goal && DQUOT_PREALLOC_BLOCK(inode, prealloc_goal)) - prealloc_goal--; + /* + * Check quota for allocation of this block. + */ + if (DQUOT_ALLOC_BLOCK(inode, num)) { + *errp = -EDQUOT; + return 0; + } - dq_alloc = prealloc_goal + 1; - es_alloc = reserve_blocks(sb, dq_alloc); - if (!es_alloc) { - *err = -ENOSPC; - goto out_dquot; + sbi = EXT2_SB(sb); + es = EXT2_SB(sb)->s_es; + ext2_debug("goal=%lu.\n", goal); + /* + * Allocate a block from reservation only when + * filesystem is mounted with reservation(default,-o reservation), and + * it's a regular file, and + * the desired window size is greater than 0 (One could use ioctl + * command EXT2_IOC_SETRSVSZ to set the window size to 0 to turn off + * reservation on that particular file) + */ + block_i = EXT2_I(inode)->i_block_alloc_info; + if (block_i) { + windowsz = block_i->rsv_window_node.rsv_goal_size; + if (windowsz > 0) + my_rsv = &block_i->rsv_window_node; } - ext2_debug ("goal=%lu.\n", goal); + if (!ext2_has_free_blocks(sbi)) { + *errp = -ENOSPC; + goto out; + } + /* + * First, test whether the goal block is free. + */ if (goal < le32_to_cpu(es->s_first_data_block) || goal >= le32_to_cpu(es->s_blocks_count)) goal = le32_to_cpu(es->s_first_data_block); - group_no = (goal - le32_to_cpu(es->s_first_data_block)) / group_size; - desc = ext2_get_group_desc (sb, group_no, &gdp_bh); - if (!desc) { - /* - * gdp_bh may still be uninitialised. But group_release_blocks - * will not touch it because group_alloc is zero. - */ + group_no = (goal - le32_to_cpu(es->s_first_data_block)) / + EXT2_BLOCKS_PER_GROUP(sb); + goal_group = group_no; +retry_alloc: + gdp = ext2_get_group_desc(sb, group_no, &gdp_bh); + if (!gdp) goto io_error; - } - group_alloc = group_reserve_blocks(sbi, group_no, desc, - gdp_bh, es_alloc); - if (group_alloc) { - ret_block = ((goal - le32_to_cpu(es->s_first_data_block)) % - group_size); - brelse(bitmap_bh); + free_blocks = le16_to_cpu(gdp->bg_free_blocks_count); + /* + * if there is not enough free blocks to make a new resevation + * turn off reservation for this allocation + */ + if (my_rsv && (free_blocks < windowsz) + && (rsv_is_empty(&my_rsv->rsv_window))) + my_rsv = NULL; + + if (free_blocks > 0) { + grp_target_blk = ((goal - le32_to_cpu(es->s_first_data_block)) % + EXT2_BLOCKS_PER_GROUP(sb)); bitmap_bh = read_block_bitmap(sb, group_no); if (!bitmap_bh) goto io_error; - - ext2_debug("goal is at %d:%d.\n", group_no, ret_block); - - ret_block = grab_block(sb_bgl_lock(sbi, group_no), - bitmap_bh->b_data, group_size, ret_block); - if (ret_block >= 0) - goto got_block; - group_release_blocks(sb, group_no, desc, gdp_bh, group_alloc); - group_alloc = 0; + grp_alloc_blk = ext2_try_to_allocate_with_rsv(sb, group_no, + bitmap_bh, grp_target_blk, + my_rsv, &num); + if (grp_alloc_blk >= 0) + goto allocated; } - ext2_debug ("Bit not found in block group %d.\n", group_no); + ngroups = EXT2_SB(sb)->s_groups_count; + smp_rmb(); /* * Now search the rest of the groups. We assume that - * i and desc correctly point to the last group visited. + * i and gdp correctly point to the last group visited. */ - nr_scanned_groups = 0; -retry: - for (group_idx = 0; !group_alloc && - group_idx < sbi->s_groups_count; group_idx++) { + for (bgi = 0; bgi < ngroups; bgi++) { group_no++; - if (group_no >= sbi->s_groups_count) + if (group_no >= ngroups) group_no = 0; - desc = ext2_get_group_desc(sb, group_no, &gdp_bh); - if (!desc) + gdp = ext2_get_group_desc(sb, group_no, &gdp_bh); + if (!gdp) goto io_error; - group_alloc = group_reserve_blocks(sbi, group_no, desc, - gdp_bh, es_alloc); - } - if (!group_alloc) { - *err = -ENOSPC; - goto out_release; - } - brelse(bitmap_bh); - bitmap_bh = read_block_bitmap(sb, group_no); - if (!bitmap_bh) - goto io_error; - ret_block = grab_block(sb_bgl_lock(sbi, group_no), bitmap_bh->b_data, - group_size, 0); - if (ret_block < 0) { + free_blocks = le16_to_cpu(gdp->bg_free_blocks_count); /* - * If a free block counter is corrupted we can loop inifintely. - * Detect that here. + * skip this group if the number of + * free blocks is less than half of the reservation + * window size. */ - nr_scanned_groups++; - if (nr_scanned_groups > 2 * sbi->s_groups_count) { - ext2_error(sb, "ext2_new_block", - "corrupted free blocks counters"); + if (free_blocks <= (windowsz/2)) + continue; + + brelse(bitmap_bh); + bitmap_bh = read_block_bitmap(sb, group_no); + if (!bitmap_bh) goto io_error; - } /* - * Someone else grabbed the last free block in this blockgroup - * before us. Retry the scan. + * try to allocate block(s) from this group, without a goal(-1). */ - group_release_blocks(sb, group_no, desc, gdp_bh, group_alloc); - group_alloc = 0; - goto retry; + grp_alloc_blk = ext2_try_to_allocate_with_rsv(sb, group_no, + bitmap_bh, -1, my_rsv, &num); + if (grp_alloc_blk >= 0) + goto allocated; + } + /* + * We may end up a bogus ealier ENOSPC error due to + * filesystem is "full" of reservations, but + * there maybe indeed free blocks avaliable on disk + * In this case, we just forget about the reservations + * just do block allocation as without reservations. + */ + if (my_rsv) { + my_rsv = NULL; + windowsz = 0; + group_no = goal_group; + goto retry_alloc; } + /* No space left on the device */ + *errp = -ENOSPC; + goto out; + +allocated: -got_block: ext2_debug("using block group %d(%d)\n", - group_no, desc->bg_free_blocks_count); + group_no, gdp->bg_free_blocks_count); - target_block = ret_block + group_no * group_size + - le32_to_cpu(es->s_first_data_block); + ret_block = grp_alloc_blk + ext2_group_first_block_no(sb, group_no); - if (target_block == le32_to_cpu(desc->bg_block_bitmap) || - target_block == le32_to_cpu(desc->bg_inode_bitmap) || - in_range(target_block, le32_to_cpu(desc->bg_inode_table), - sbi->s_itb_per_group)) - ext2_error (sb, "ext2_new_block", + if (in_range(le32_to_cpu(gdp->bg_block_bitmap), ret_block, num) || + in_range(le32_to_cpu(gdp->bg_inode_bitmap), ret_block, num) || + in_range(ret_block, le32_to_cpu(gdp->bg_inode_table), + EXT2_SB(sb)->s_itb_per_group) || + in_range(ret_block + num - 1, le32_to_cpu(gdp->bg_inode_table), + EXT2_SB(sb)->s_itb_per_group)) + ext2_error(sb, "ext2_new_blocks", "Allocating block in system zone - " - "block = %u", target_block); + "blocks from "E2FSBLK", length %lu", + ret_block, num); + + performed_allocation = 1; - if (target_block >= le32_to_cpu(es->s_blocks_count)) { - ext2_error (sb, "ext2_new_block", - "block(%d) >= blocks count(%d) - " + if (ret_block + num - 1 >= le32_to_cpu(es->s_blocks_count)) { + ext2_error(sb, "ext2_new_blocks", + "block("E2FSBLK") >= blocks count(%d) - " "block_group = %d, es == %p ", ret_block, le32_to_cpu(es->s_blocks_count), group_no, es); - goto io_error; + goto out; } - block = target_block; - /* OK, we _had_ allocated something */ - ext2_debug("found bit %d\n", ret_block); - - dq_alloc--; - es_alloc--; - group_alloc--; - - /* - * Do block preallocation now if required. - */ - write_lock(&EXT2_I(inode)->i_meta_lock); - if (group_alloc && !*prealloc_count) { - unsigned n; - - for (n = 0; n < group_alloc && ++ret_block < group_size; n++) { - if (ext2_set_bit_atomic(sb_bgl_lock(sbi, group_no), - ret_block, - (void*) bitmap_bh->b_data)) - break; - } - *prealloc_block = block + 1; - *prealloc_count = n; - es_alloc -= n; - dq_alloc -= n; - group_alloc -= n; - } - write_unlock(&EXT2_I(inode)->i_meta_lock); + group_adjust_blocks(sb, group_no, gdp, gdp_bh, -num); + percpu_counter_sub(&sbi->s_freeblocks_counter, num); mark_buffer_dirty(bitmap_bh); if (sb->s_flags & MS_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); - ext2_debug ("allocating block %d. ", block); + *errp = 0; + brelse(bitmap_bh); + DQUOT_FREE_BLOCK(inode, *count-num); + *count = num; + return ret_block; - *err = 0; -out_release: - group_release_blocks(sb, group_no, desc, gdp_bh, group_alloc); - release_blocks(sb, es_alloc); -out_dquot: - DQUOT_FREE_BLOCK(inode, dq_alloc); +io_error: + *errp = -EIO; out: + /* + * Undo the block allocation + */ + if (!performed_allocation) + DQUOT_FREE_BLOCK(inode, *count); brelse(bitmap_bh); - return block; + return 0; +} -io_error: - *err = -EIO; - goto out_release; +ext2_fsblk_t ext2_new_block(struct inode *inode, unsigned long goal, int *errp) +{ + unsigned long count = 1; + + return ext2_new_blocks(inode, goal, &count, errp); } #ifdef EXT2FS_DEBUG -static int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; +static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; unsigned long ext2_count_free (struct buffer_head * map, unsigned int numchars) { @@ -583,13 +1461,6 @@ unsigned long ext2_count_free_blocks (struct super_block * sb) #endif } -static inline int -block_in_use(unsigned long block, struct super_block *sb, unsigned char *map) -{ - return ext2_test_bit ((block - - le32_to_cpu(EXT2_SB(sb)->s_es->s_first_data_block)) % - EXT2_BLOCKS_PER_GROUP(sb), map); -} static inline int test_root(int a, int b) { diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 2bf49d7ef84..05d9342bb64 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -22,7 +22,9 @@ */ #include "ext2.h" +#include <linux/buffer_head.h> #include <linux/pagemap.h> +#include <linux/swap.h> typedef struct ext2_dir_entry_2 ext2_dirent; @@ -61,16 +63,25 @@ ext2_last_byte(struct inode *inode, unsigned long page_nr) return last_byte; } -static int ext2_commit_chunk(struct page *page, unsigned from, unsigned to) +static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len) { - struct inode *dir = page->mapping->host; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; int err = 0; + dir->i_version++; - page->mapping->a_ops->commit_write(NULL, page, from, to); + block_write_end(NULL, mapping, pos, len, len, page, NULL); + + if (pos+len > dir->i_size) { + i_size_write(dir, pos+len); + mark_inode_dirty(dir); + } + if (IS_DIRSYNC(dir)) err = write_one_page(page, 1); else unlock_page(page); + return err; } @@ -412,16 +423,18 @@ ino_t ext2_inode_by_name(struct inode * dir, struct dentry *dentry) void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de, struct page *page, struct inode *inode) { - unsigned from = (char *) de - (char *) page_address(page); - unsigned to = from + le16_to_cpu(de->rec_len); + loff_t pos = page_offset(page) + + (char *) de - (char *) page_address(page); + unsigned len = le16_to_cpu(de->rec_len); int err; lock_page(page); - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + err = __ext2_write_begin(NULL, page->mapping, pos, len, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); BUG_ON(err); de->inode = cpu_to_le32(inode->i_ino); - ext2_set_de_type (de, inode); - err = ext2_commit_chunk(page, from, to); + ext2_set_de_type(de, inode); + err = ext2_commit_chunk(page, pos, len); ext2_put_page(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; @@ -444,7 +457,7 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode) unsigned long npages = dir_pages(dir); unsigned long n; char *kaddr; - unsigned from, to; + loff_t pos; int err; /* @@ -497,9 +510,10 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode) return -EINVAL; got_it: - from = (char*)de - (char*)page_address(page); - to = from + rec_len; - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + pos = page_offset(page) + + (char*)de - (char*)page_address(page); + err = __ext2_write_begin(NULL, page->mapping, pos, rec_len, 0, + &page, NULL); if (err) goto out_unlock; if (de->inode) { @@ -509,10 +523,10 @@ got_it: de = de1; } de->name_len = namelen; - memcpy (de->name, name, namelen); + memcpy(de->name, name, namelen); de->inode = cpu_to_le32(inode->i_ino); ext2_set_de_type (de, inode); - err = ext2_commit_chunk(page, from, to); + err = ext2_commit_chunk(page, pos, rec_len); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(dir); @@ -537,6 +551,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) char *kaddr = page_address(page); unsigned from = ((char*)dir - kaddr) & ~(ext2_chunk_size(inode)-1); unsigned to = ((char*)dir - kaddr) + le16_to_cpu(dir->rec_len); + loff_t pos; ext2_dirent * pde = NULL; ext2_dirent * de = (ext2_dirent *) (kaddr + from); int err; @@ -553,13 +568,15 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) } if (pde) from = (char*)pde - (char*)page_address(page); + pos = page_offset(page) + from; lock_page(page); - err = mapping->a_ops->prepare_write(NULL, page, from, to); + err = __ext2_write_begin(NULL, page->mapping, pos, to - from, 0, + &page, NULL); BUG_ON(err); if (pde) - pde->rec_len = cpu_to_le16(to-from); + pde->rec_len = cpu_to_le16(to - from); dir->inode = 0; - err = ext2_commit_chunk(page, from, to); + err = ext2_commit_chunk(page, pos, to - from); inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(inode); @@ -582,7 +599,9 @@ int ext2_make_empty(struct inode *inode, struct inode *parent) if (!page) return -ENOMEM; - err = mapping->a_ops->prepare_write(NULL, page, 0, chunk_size); + + err = __ext2_write_begin(NULL, page->mapping, 0, chunk_size, 0, + &page, NULL); if (err) { unlock_page(page); goto fail; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 9fd0ec5ba0d..7730388c493 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -33,22 +33,9 @@ struct ext2_inode_info { */ __u32 i_block_group; - /* - * i_next_alloc_block is the logical (file-relative) number of the - * most-recently-allocated block in this file. Yes, it is misnamed. - * We use this for detecting linearly ascending allocation requests. - */ - __u32 i_next_alloc_block; + /* block reservation info */ + struct ext2_block_alloc_info *i_block_alloc_info; - /* - * i_next_alloc_goal is the *physical* companion to i_next_alloc_block. - * it the the physical block number of the block which was most-recently - * allocated to this file. This give us the goal (target) for the next - * allocation when we detect linearly ascending requests. - */ - __u32 i_next_alloc_goal; - __u32 i_prealloc_block; - __u32 i_prealloc_count; __u32 i_dir_start_lookup; #ifdef CONFIG_EXT2_FS_XATTR /* @@ -65,7 +52,16 @@ struct ext2_inode_info { struct posix_acl *i_default_acl; #endif rwlock_t i_meta_lock; + + /* + * truncate_mutex is for serialising ext2_truncate() against + * ext2_getblock(). It also protects the internals of the inode's + * reservation data structures: ext2_reserve_window and + * ext2_reserve_window_node. + */ + struct mutex truncate_mutex; struct inode vfs_inode; + struct list_head i_orphan; /* unlinked but open inodes */ }; /* @@ -91,8 +87,9 @@ static inline struct ext2_inode_info *EXT2_I(struct inode *inode) /* balloc.c */ extern int ext2_bg_has_super(struct super_block *sb, int group); extern unsigned long ext2_bg_num_gdb(struct super_block *sb, int group); -extern int ext2_new_block (struct inode *, unsigned long, - __u32 *, __u32 *, int *); +extern ext2_fsblk_t ext2_new_block(struct inode *, unsigned long, int *); +extern ext2_fsblk_t ext2_new_blocks(struct inode *, unsigned long, + unsigned long *, int *); extern void ext2_free_blocks (struct inode *, unsigned long, unsigned long); extern unsigned long ext2_count_free_blocks (struct super_block *); @@ -101,6 +98,10 @@ extern void ext2_check_blocks_bitmap (struct super_block *); extern struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb, unsigned int block_group, struct buffer_head ** bh); +extern void ext2_discard_reservation (struct inode *); +extern int ext2_should_retry_alloc(struct super_block *sb, int *retries); +extern void ext2_init_block_alloc_info(struct inode *); +extern void ext2_rsv_window_add(struct super_block *sb, struct ext2_reserve_window_node *rsv); /* dir.c */ extern int ext2_add_link (struct dentry *, struct inode *); @@ -128,12 +129,14 @@ extern int ext2_write_inode (struct inode *, int); extern void ext2_put_inode (struct inode *); extern void ext2_delete_inode (struct inode *); extern int ext2_sync_inode (struct inode *); -extern void ext2_discard_prealloc (struct inode *); extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int); extern void ext2_truncate (struct inode *); extern int ext2_setattr (struct dentry *, struct iattr *); extern void ext2_set_inode_flags(struct inode *inode); extern void ext2_get_inode_flags(struct ext2_inode_info *); +int __ext2_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); /* ioctl.c */ extern int ext2_ioctl (struct inode *, struct file *, unsigned int, diff --git a/fs/ext2/file.c b/fs/ext2/file.c index ab7961260c4..c051798459a 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -30,8 +30,11 @@ */ static int ext2_release_file (struct inode * inode, struct file * filp) { - if (filp->f_mode & FMODE_WRITE) - ext2_discard_prealloc (inode); + if (filp->f_mode & FMODE_WRITE) { + mutex_lock(&EXT2_I(inode)->truncate_mutex); + ext2_discard_reservation(inode); + mutex_unlock(&EXT2_I(inode)->truncate_mutex); + } return 0; } diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index 2cb545bf0f3..5deb8b74e64 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -177,7 +177,6 @@ static void ext2_preread_inode(struct inode *inode) unsigned long block_group; unsigned long offset; unsigned long block; - struct buffer_head *bh; struct ext2_group_desc * gdp; struct backing_dev_info *bdi; @@ -188,7 +187,7 @@ static void ext2_preread_inode(struct inode *inode) return; block_group = (inode->i_ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb); - gdp = ext2_get_group_desc(inode->i_sb, block_group, &bh); + gdp = ext2_get_group_desc(inode->i_sb, block_group, NULL); if (gdp == NULL) return; @@ -217,11 +216,10 @@ static int find_group_dir(struct super_block *sb, struct inode *parent) int ngroups = EXT2_SB(sb)->s_groups_count; int avefreei = ext2_count_free_inodes(sb) / ngroups; struct ext2_group_desc *desc, *best_desc = NULL; - struct buffer_head *bh, *best_bh = NULL; int group, best_group = -1; for (group = 0; group < ngroups; group++) { - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) < avefreei) @@ -231,7 +229,6 @@ static int find_group_dir(struct super_block *sb, struct inode *parent) le16_to_cpu(best_desc->bg_free_blocks_count))) { best_group = group; best_desc = desc; - best_bh = bh; } } if (!best_desc) @@ -284,7 +281,6 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) int max_debt, max_dirs, min_blocks, min_inodes; int group = -1, i; struct ext2_group_desc *desc; - struct buffer_head *bh; freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter); avefreei = freei / ngroups; @@ -295,7 +291,6 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) if ((parent == sb->s_root->d_inode) || (EXT2_I(parent)->i_flags & EXT2_TOPDIR_FL)) { struct ext2_group_desc *best_desc = NULL; - struct buffer_head *best_bh = NULL; int best_ndir = inodes_per_group; int best_group = -1; @@ -303,7 +298,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) parent_group = (unsigned)group % ngroups; for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_used_dirs_count) >= best_ndir) @@ -315,11 +310,9 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) best_group = group; best_ndir = le16_to_cpu(desc->bg_used_dirs_count); best_desc = desc; - best_bh = bh; } if (best_group >= 0) { desc = best_desc; - bh = best_bh; group = best_group; goto found; } @@ -345,7 +338,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (sbi->s_debts[group] >= max_debt) @@ -362,7 +355,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) fallback: for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) >= avefreei) @@ -389,14 +382,13 @@ static int find_group_other(struct super_block *sb, struct inode *parent) int parent_group = EXT2_I(parent)->i_block_group; int ngroups = EXT2_SB(sb)->s_groups_count; struct ext2_group_desc *desc; - struct buffer_head *bh; int group, i; /* * Try to place the inode in its parent directory */ group = parent_group; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) goto found; @@ -420,7 +412,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) group += i; if (group >= ngroups) group -= ngroups; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) goto found; @@ -434,7 +426,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { if (++group >= ngroups) group = 0; - desc = ext2_get_group_desc (sb, group, &bh); + desc = ext2_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count)) goto found; } @@ -542,7 +534,7 @@ got: goto fail; } - percpu_counter_mod(&sbi->s_freeinodes_counter, -1); + percpu_counter_add(&sbi->s_freeinodes_counter, -1); if (S_ISDIR(mode)) percpu_counter_inc(&sbi->s_dirs_counter); @@ -589,11 +581,8 @@ got: ei->i_file_acl = 0; ei->i_dir_acl = 0; ei->i_dtime = 0; + ei->i_block_alloc_info = NULL; ei->i_block_group = group; - ei->i_next_alloc_block = 0; - ei->i_next_alloc_goal = 0; - ei->i_prealloc_block = 0; - ei->i_prealloc_count = 0; ei->i_dir_start_lookup = 0; ei->i_state = EXT2_STATE_NEW; ext2_set_inode_flags(inode); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 0079b2cd531..b1ab32ab5a7 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -54,19 +54,6 @@ static inline int ext2_inode_is_fast_symlink(struct inode *inode) } /* - * Called at each iput(). - * - * The inode may be "bad" if ext2_read_inode() saw an error from - * ext2_get_inode(), so we need to check that to avoid freeing random disk - * blocks. - */ -void ext2_put_inode(struct inode *inode) -{ - if (!is_bad_inode(inode)) - ext2_discard_prealloc(inode); -} - -/* * Called at the last iput() if i_nlink is zero. */ void ext2_delete_inode (struct inode * inode) @@ -89,61 +76,6 @@ no_delete: clear_inode(inode); /* We must guarantee clearing of inode... */ } -void ext2_discard_prealloc (struct inode * inode) -{ -#ifdef EXT2_PREALLOCATE - struct ext2_inode_info *ei = EXT2_I(inode); - write_lock(&ei->i_meta_lock); - if (ei->i_prealloc_count) { - unsigned short total = ei->i_prealloc_count; - unsigned long block = ei->i_prealloc_block; - ei->i_prealloc_count = 0; - ei->i_prealloc_block = 0; - write_unlock(&ei->i_meta_lock); - ext2_free_blocks (inode, block, total); - return; - } else - write_unlock(&ei->i_meta_lock); -#endif -} - -static int ext2_alloc_block (struct inode * inode, unsigned long goal, int *err) -{ -#ifdef EXT2FS_DEBUG - static unsigned long alloc_hits, alloc_attempts; -#endif - unsigned long result; - - -#ifdef EXT2_PREALLOCATE - struct ext2_inode_info *ei = EXT2_I(inode); - write_lock(&ei->i_meta_lock); - if (ei->i_prealloc_count && - (goal == ei->i_prealloc_block || goal + 1 == ei->i_prealloc_block)) - { - result = ei->i_prealloc_block++; - ei->i_prealloc_count--; - write_unlock(&ei->i_meta_lock); - ext2_debug ("preallocation hit (%lu/%lu).\n", - ++alloc_hits, ++alloc_attempts); - } else { - write_unlock(&ei->i_meta_lock); - ext2_discard_prealloc (inode); - ext2_debug ("preallocation miss (%lu/%lu).\n", - alloc_hits, ++alloc_attempts); - if (S_ISREG(inode->i_mode)) - result = ext2_new_block (inode, goal, - &ei->i_prealloc_count, - &ei->i_prealloc_block, err); - else - result = ext2_new_block(inode, goal, NULL, NULL, err); - } -#else - result = ext2_new_block (inode, goal, 0, 0, err); -#endif - return result; -} - typedef struct { __le32 *p; __le32 key; @@ -228,7 +160,8 @@ static int ext2_block_to_path(struct inode *inode, ext2_warning (inode->i_sb, "ext2_block_to_path", "block > big"); } if (boundary) - *boundary = (i_block & (ptrs - 1)) == (final - 1); + *boundary = final - 1 - (i_block & (ptrs - 1)); + return n; } @@ -355,39 +288,129 @@ static unsigned long ext2_find_near(struct inode *inode, Indirect *ind) * @block: block we want * @chain: chain of indirect blocks * @partial: pointer to the last triple within a chain - * @goal: place to store the result. * - * Normally this function find the prefered place for block allocation, - * stores it in *@goal and returns zero. If the branch had been changed - * under us we return -EAGAIN. + * Returns preferred place for a block (the goal). */ static inline int ext2_find_goal(struct inode *inode, long block, Indirect chain[4], - Indirect *partial, - unsigned long *goal) + Indirect *partial) { - struct ext2_inode_info *ei = EXT2_I(inode); - write_lock(&ei->i_meta_lock); - if ((block == ei->i_next_alloc_block + 1) && ei->i_next_alloc_goal) { - ei->i_next_alloc_block++; - ei->i_next_alloc_goal++; - } - if (verify_chain(chain, partial)) { - /* - * try the heuristic for sequential allocation, - * failing that at least try to get decent locality. - */ - if (block == ei->i_next_alloc_block) - *goal = ei->i_next_alloc_goal; - if (!*goal) - *goal = ext2_find_near(inode, partial); - write_unlock(&ei->i_meta_lock); - return 0; + struct ext2_block_alloc_info *block_i; + + block_i = EXT2_I(inode)->i_block_alloc_info; + + /* + * try the heuristic for sequential allocation, + * failing that at least try to get decent locality. + */ + if (block_i && (block == block_i->last_alloc_logical_block + 1) + && (block_i->last_alloc_physical_block != 0)) { + return block_i->last_alloc_physical_block + 1; + } + + return ext2_find_near(inode, partial); +} + +/** + * ext2_blks_to_allocate: Look up the block map and count the number + * of direct blocks need to be allocated for the given branch. + * + * @branch: chain of indirect blocks + * @k: number of blocks need for indirect blocks + * @blks: number of data blocks to be mapped. + * @blocks_to_boundary: the offset in the indirect block + * + * return the total number of blocks to be allocate, including the + * direct and indirect blocks. + */ +static int +ext2_blks_to_allocate(Indirect * branch, int k, unsigned long blks, + int blocks_to_boundary) +{ + unsigned long count = 0; + + /* + * Simple case, [t,d]Indirect block(s) has not allocated yet + * then it's clear blocks on that path have not allocated + */ + if (k > 0) { + /* right now don't hanel cross boundary allocation */ + if (blks < blocks_to_boundary + 1) + count += blks; + else + count += blocks_to_boundary + 1; + return count; + } + + count++; + while (count < blks && count <= blocks_to_boundary + && le32_to_cpu(*(branch[0].p + count)) == 0) { + count++; } - write_unlock(&ei->i_meta_lock); - return -EAGAIN; + return count; +} + +/** + * ext2_alloc_blocks: multiple allocate blocks needed for a branch + * @indirect_blks: the number of blocks need to allocate for indirect + * blocks + * + * @new_blocks: on return it will store the new block numbers for + * the indirect blocks(if needed) and the first direct block, + * @blks: on return it will store the total number of allocated + * direct blocks + */ +static int ext2_alloc_blocks(struct inode *inode, + ext2_fsblk_t goal, int indirect_blks, int blks, + ext2_fsblk_t new_blocks[4], int *err) +{ + int target, i; + unsigned long count = 0; + int index = 0; + ext2_fsblk_t current_block = 0; + int ret = 0; + + /* + * Here we try to allocate the requested multiple blocks at once, + * on a best-effort basis. + * To build a branch, we should allocate blocks for + * the indirect blocks(if not allocated yet), and at least + * the first direct block of this branch. That's the + * minimum number of blocks need to allocate(required) + */ + target = blks + indirect_blks; + + while (1) { + count = target; + /* allocating blocks for indirect blocks and direct blocks */ + current_block = ext2_new_blocks(inode,goal,&count,err); + if (*err) + goto failed_out; + + target -= count; + /* allocate blocks for indirect blocks */ + while (index < indirect_blks && count) { + new_blocks[index++] = current_block++; + count--; + } + + if (count > 0) + break; + } + + /* save the new block number for the first direct block */ + new_blocks[index] = current_block; + + /* total number of blocks allocated for direct blocks */ + ret = count; + *err = 0; + return ret; +failed_out: + for (i = 0; i <index; i++) + ext2_free_blocks(inode, new_blocks[i], 1); + return ret; } /** @@ -416,39 +439,49 @@ static inline int ext2_find_goal(struct inode *inode, */ static int ext2_alloc_branch(struct inode *inode, - int num, - unsigned long goal, - int *offsets, - Indirect *branch) + int indirect_blks, int *blks, ext2_fsblk_t goal, + int *offsets, Indirect *branch) { int blocksize = inode->i_sb->s_blocksize; - int n = 0; - int err; - int i; - int parent = ext2_alloc_block(inode, goal, &err); - - branch[0].key = cpu_to_le32(parent); - if (parent) for (n = 1; n < num; n++) { - struct buffer_head *bh; - /* Allocate the next block */ - int nr = ext2_alloc_block(inode, parent, &err); - if (!nr) - break; - branch[n].key = cpu_to_le32(nr); + int i, n = 0; + int err = 0; + struct buffer_head *bh; + int num; + ext2_fsblk_t new_blocks[4]; + ext2_fsblk_t current_block; + + num = ext2_alloc_blocks(inode, goal, indirect_blks, + *blks, new_blocks, &err); + if (err) + return err; + + branch[0].key = cpu_to_le32(new_blocks[0]); + /* + * metadata blocks and data blocks are allocated. + */ + for (n = 1; n <= indirect_blks; n++) { /* - * Get buffer_head for parent block, zero it out and set - * the pointer to new one, then send parent to disk. + * Get buffer_head for parent block, zero it out + * and set the pointer to new one, then send + * parent to disk. */ - bh = sb_getblk(inode->i_sb, parent); - if (!bh) { - err = -EIO; - break; - } + bh = sb_getblk(inode->i_sb, new_blocks[n-1]); + branch[n].bh = bh; lock_buffer(bh); memset(bh->b_data, 0, blocksize); - branch[n].bh = bh; branch[n].p = (__le32 *) bh->b_data + offsets[n]; + branch[n].key = cpu_to_le32(new_blocks[n]); *branch[n].p = branch[n].key; + if ( n == indirect_blks) { + current_block = new_blocks[n]; + /* + * End of chain, update the last new metablock of + * the chain to point to the new allocated + * data blocks numbers + */ + for (i=1; i < num; i++) + *(branch[n].p + i) = cpu_to_le32(++current_block); + } set_buffer_uptodate(bh); unlock_buffer(bh); mark_buffer_dirty_inode(bh, inode); @@ -458,77 +491,68 @@ static int ext2_alloc_branch(struct inode *inode, */ if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) sync_dirty_buffer(bh); - parent = nr; } - if (n == num) - return 0; - - /* Allocation failed, free what we already allocated */ - for (i = 1; i < n; i++) - bforget(branch[i].bh); - for (i = 0; i < n; i++) - ext2_free_blocks(inode, le32_to_cpu(branch[i].key), 1); + *blks = num; return err; } /** - * ext2_splice_branch - splice the allocated branch onto inode. - * @inode: owner - * @block: (logical) number of block we are adding - * @chain: chain of indirect blocks (with a missing link - see - * ext2_alloc_branch) - * @where: location of missing link - * @num: number of blocks we are adding + * ext2_splice_branch - splice the allocated branch onto inode. + * @inode: owner + * @block: (logical) number of block we are adding + * @chain: chain of indirect blocks (with a missing link - see + * ext2_alloc_branch) + * @where: location of missing link + * @num: number of indirect blocks we are adding + * @blks: number of direct blocks we are adding * - * This function verifies that chain (up to the missing link) had not - * changed, fills the missing link and does all housekeeping needed in - * inode (->i_blocks, etc.). In case of success we end up with the full - * chain to new block and return 0. Otherwise (== chain had been changed) - * we free the new blocks (forgetting their buffer_heads, indeed) and - * return -EAGAIN. + * This function fills the missing link and does all housekeeping needed in + * inode (->i_blocks, etc.). In case of success we end up with the full + * chain to new block and return 0. */ - -static inline int ext2_splice_branch(struct inode *inode, - long block, - Indirect chain[4], - Indirect *where, - int num) +static void ext2_splice_branch(struct inode *inode, + long block, Indirect *where, int num, int blks) { - struct ext2_inode_info *ei = EXT2_I(inode); int i; + struct ext2_block_alloc_info *block_i; + ext2_fsblk_t current_block; - /* Verify that place we are splicing to is still there and vacant */ - - write_lock(&ei->i_meta_lock); - if (!verify_chain(chain, where-1) || *where->p) - goto changed; + block_i = EXT2_I(inode)->i_block_alloc_info; + /* XXX LOCKING probably should have i_meta_lock ?*/ /* That's it */ *where->p = where->key; - ei->i_next_alloc_block = block; - ei->i_next_alloc_goal = le32_to_cpu(where[num-1].key); - write_unlock(&ei->i_meta_lock); + /* + * Update the host buffer_head or inode to point to more just allocated + * direct blocks blocks + */ + if (num == 0 && blks > 1) { + current_block = le32_to_cpu(where->key) + 1; + for (i = 1; i < blks; i++) + *(where->p + i ) = cpu_to_le32(current_block++); + } + + /* + * update the most recently allocated logical & physical block + * in i_block_alloc_info, to assist find the proper goal block for next + * allocation + */ + if (block_i) { + block_i->last_alloc_logical_block = block + blks - 1; + block_i->last_alloc_physical_block = + le32_to_cpu(where[num].key) + blks - 1; + } /* We are done with atomic stuff, now do the rest of housekeeping */ - inode->i_ctime = CURRENT_TIME_SEC; - /* had we spliced it onto indirect block? */ if (where->bh) mark_buffer_dirty_inode(where->bh, inode); + inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); - return 0; - -changed: - write_unlock(&ei->i_meta_lock); - for (i = 1; i < num; i++) - bforget(where[i].bh); - for (i = 0; i < num; i++) - ext2_free_blocks(inode, le32_to_cpu(where[i].key), 1); - return -EAGAIN; } /* @@ -542,64 +566,99 @@ changed: * That has a nice additional property: no special recovery from the failed * allocations is needed - we simply release blocks and do not touch anything * reachable from inode. + * + * `handle' can be NULL if create == 0. + * + * The BKL may not be held on entry here. Be sure to take it early. + * return > 0, # of blocks mapped or allocated. + * return = 0, if plain lookup failed. + * return < 0, error case. */ - -int ext2_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) +static int ext2_get_blocks(struct inode *inode, + sector_t iblock, unsigned long maxblocks, + struct buffer_head *bh_result, + int create) { int err = -EIO; int offsets[4]; Indirect chain[4]; Indirect *partial; - unsigned long goal; - int left; - int boundary = 0; - int depth = ext2_block_to_path(inode, iblock, offsets, &boundary); + ext2_fsblk_t goal; + int indirect_blks; + int blocks_to_boundary = 0; + int depth; + struct ext2_inode_info *ei = EXT2_I(inode); + int count = 0; + ext2_fsblk_t first_block = 0; - if (depth == 0) - goto out; + depth = ext2_block_to_path(inode,iblock,offsets,&blocks_to_boundary); + if (depth == 0) + return (err); reread: partial = ext2_get_branch(inode, depth, offsets, chain, &err); /* Simplest case - block found, no allocation needed */ if (!partial) { -got_it: - map_bh(bh_result, inode->i_sb, le32_to_cpu(chain[depth-1].key)); - if (boundary) - set_buffer_boundary(bh_result); - /* Clean up and exit */ - partial = chain+depth-1; /* the whole chain */ - goto cleanup; + first_block = le32_to_cpu(chain[depth - 1].key); + clear_buffer_new(bh_result); /* What's this do? */ + count++; + /*map more blocks*/ + while (count < maxblocks && count <= blocks_to_boundary) { + ext2_fsblk_t blk; + + if (!verify_chain(chain, partial)) { + /* + * Indirect block might be removed by + * truncate while we were reading it. + * Handling of that case: forget what we've + * got now, go to reread. + */ + count = 0; + goto changed; + } + blk = le32_to_cpu(*(chain[depth-1].p + count)); + if (blk == first_block + count) + count++; + else + break; + } + goto got_it; } /* Next simple case - plain lookup or failed read of indirect block */ - if (!create || err == -EIO) { -cleanup: - while (partial > chain) { - brelse(partial->bh); - partial--; - } -out: - return err; - } + if (!create || err == -EIO) + goto cleanup; + + mutex_lock(&ei->truncate_mutex); /* - * Indirect block might be removed by truncate while we were - * reading it. Handling of that case (forget what we've got and - * reread) is taken out of the main path. - */ - if (err == -EAGAIN) - goto changed; + * Okay, we need to do block allocation. Lazily initialize the block + * allocation info here if necessary + */ + if (S_ISREG(inode->i_mode) && (!ei->i_block_alloc_info)) + ext2_init_block_alloc_info(inode); - goal = 0; - if (ext2_find_goal(inode, iblock, chain, partial, &goal) < 0) - goto changed; + goal = ext2_find_goal(inode, iblock, chain, partial); - left = (chain + depth) - partial; - err = ext2_alloc_branch(inode, left, goal, - offsets+(partial-chain), partial); - if (err) + /* the number of blocks need to allocate for [d,t]indirect blocks */ + indirect_blks = (chain + depth) - partial - 1; + /* + * Next look up the indirect map to count the totoal number of + * direct blocks to allocate for this branch. + */ + count = ext2_blks_to_allocate(partial, indirect_blks, + maxblocks, blocks_to_boundary); + /* + * XXX ???? Block out ext2_truncate while we alter the tree + */ + err = ext2_alloc_branch(inode, indirect_blks, &count, goal, + offsets + (partial - chain), partial); + + if (err) { + mutex_unlock(&ei->truncate_mutex); goto cleanup; + } if (ext2_use_xip(inode->i_sb)) { /* @@ -607,16 +666,28 @@ out: */ err = ext2_clear_xip_target (inode, le32_to_cpu(chain[depth-1].key)); - if (err) + if (err) { + mutex_unlock(&ei->truncate_mutex); goto cleanup; + } } - if (ext2_splice_branch(inode, iblock, chain, partial, left) < 0) - goto changed; - + ext2_splice_branch(inode, iblock, partial, indirect_blks, count); + mutex_unlock(&ei->truncate_mutex); set_buffer_new(bh_result); - goto got_it; - +got_it: + map_bh(bh_result, inode->i_sb, le32_to_cpu(chain[depth-1].key)); + if (count > blocks_to_boundary) + set_buffer_boundary(bh_result); + err = count; + /* Clean up and exit */ + partial = chain + depth - 1; /* the whole chain */ +cleanup: + while (partial > chain) { + brelse(partial->bh); + partial--; + } + return err; changed: while (partial > chain) { brelse(partial->bh); @@ -625,6 +696,19 @@ changed: goto reread; } +int ext2_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) +{ + unsigned max_blocks = bh_result->b_size >> inode->i_blkbits; + int ret = ext2_get_blocks(inode, iblock, max_blocks, + bh_result, create); + if (ret > 0) { + bh_result->b_size = (ret << inode->i_blkbits); + ret = 0; + } + return ret; + +} + static int ext2_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page, ext2_get_block, wbc); @@ -642,18 +726,35 @@ ext2_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, ext2_get_block); } +int __ext2_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ext2_get_block); +} + static int -ext2_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +ext2_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page,from,to,ext2_get_block); + *pagep = NULL; + return __ext2_write_begin(file, mapping, pos, len, flags, pagep,fsdata); } static int -ext2_nobh_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +ext2_nobh_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return nobh_prepare_write(page,from,to,ext2_get_block); + /* + * Dir-in-pagecache still uses ext2_write_begin. Would have to rework + * directory handling code to pass around offsets rather than struct + * pages in order to make this work easily. + */ + return nobh_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ext2_get_block); } static int ext2_nobh_writepage(struct page *page, @@ -689,8 +790,8 @@ const struct address_space_operations ext2_aops = { .readpages = ext2_readpages, .writepage = ext2_writepage, .sync_page = block_sync_page, - .prepare_write = ext2_prepare_write, - .commit_write = generic_commit_write, + .write_begin = ext2_write_begin, + .write_end = generic_write_end, .bmap = ext2_bmap, .direct_IO = ext2_direct_IO, .writepages = ext2_writepages, @@ -707,8 +808,8 @@ const struct address_space_operations ext2_nobh_aops = { .readpages = ext2_readpages, .writepage = ext2_nobh_writepage, .sync_page = block_sync_page, - .prepare_write = ext2_nobh_prepare_write, - .commit_write = nobh_commit_write, + .write_begin = ext2_nobh_write_begin, + .write_end = nobh_write_end, .bmap = ext2_bmap, .direct_IO = ext2_direct_IO, .writepages = ext2_writepages, @@ -896,9 +997,10 @@ static void ext2_free_branches(struct inode *inode, __le32 *p, __le32 *q, int de ext2_free_data(inode, p, q); } -void ext2_truncate (struct inode * inode) +void ext2_truncate(struct inode *inode) { __le32 *i_data = EXT2_I(inode)->i_data; + struct ext2_inode_info *ei = EXT2_I(inode); int addr_per_block = EXT2_ADDR_PER_BLOCK(inode->i_sb); int offsets[4]; Indirect chain[4]; @@ -916,8 +1018,6 @@ void ext2_truncate (struct inode * inode) if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) return; - ext2_discard_prealloc(inode); - blocksize = inode->i_sb->s_blocksize; iblock = (inode->i_size + blocksize-1) >> EXT2_BLOCK_SIZE_BITS(inode->i_sb); @@ -925,7 +1025,8 @@ void ext2_truncate (struct inode * inode) if (mapping_is_xip(inode->i_mapping)) xip_truncate_page(inode->i_mapping, inode->i_size); else if (test_opt(inode->i_sb, NOBH)) - nobh_truncate_page(inode->i_mapping, inode->i_size); + nobh_truncate_page(inode->i_mapping, + inode->i_size, ext2_get_block); else block_truncate_page(inode->i_mapping, inode->i_size, ext2_get_block); @@ -934,6 +1035,12 @@ void ext2_truncate (struct inode * inode) if (n == 0) return; + /* + * From here we block out all ext2_get_block() callers who want to + * modify the block allocation tree. + */ + mutex_lock(&ei->truncate_mutex); + if (n == 1) { ext2_free_data(inode, i_data+offsets[0], i_data + EXT2_NDIR_BLOCKS); @@ -986,6 +1093,10 @@ do_indirects: case EXT2_TIND_BLOCK: ; } + + ext2_discard_reservation(inode); + + mutex_unlock(&ei->truncate_mutex); inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; if (inode_needs_sync(inode)) { sync_mapping_buffers(inode->i_mapping); @@ -1010,7 +1121,7 @@ static struct ext2_inode *ext2_get_inode(struct super_block *sb, ino_t ino, goto Einval; block_group = (ino - 1) / EXT2_INODES_PER_GROUP(sb); - gdp = ext2_get_group_desc(sb, block_group, &bh); + gdp = ext2_get_group_desc(sb, block_group, NULL); if (!gdp) goto Egdp; /* @@ -1086,6 +1197,8 @@ void ext2_read_inode (struct inode * inode) ei->i_acl = EXT2_ACL_NOT_CACHED; ei->i_default_acl = EXT2_ACL_NOT_CACHED; #endif + ei->i_block_alloc_info = NULL; + if (IS_ERR(raw_inode)) goto bad_inode; @@ -1127,9 +1240,6 @@ void ext2_read_inode (struct inode * inode) ei->i_dtime = 0; inode->i_generation = le32_to_cpu(raw_inode->i_generation); ei->i_state = 0; - ei->i_next_alloc_block = 0; - ei->i_next_alloc_goal = 0; - ei->i_prealloc_count = 0; ei->i_block_group = (ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb); ei->i_dir_start_lookup = 0; diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 3bcd25422ee..c2324d5fe4a 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -22,6 +22,7 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, { struct ext2_inode_info *ei = EXT2_I(inode); unsigned int flags; + unsigned short rsv_window_size; ext2_debug ("cmd = %u, arg = %lu\n", cmd, arg); @@ -83,6 +84,50 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); return 0; + case EXT2_IOC_GETRSVSZ: + if (test_opt(inode->i_sb, RESERVATION) + && S_ISREG(inode->i_mode) + && ei->i_block_alloc_info) { + rsv_window_size = ei->i_block_alloc_info->rsv_window_node.rsv_goal_size; + return put_user(rsv_window_size, (int __user *)arg); + } + return -ENOTTY; + case EXT2_IOC_SETRSVSZ: { + + if (!test_opt(inode->i_sb, RESERVATION) ||!S_ISREG(inode->i_mode)) + return -ENOTTY; + + if (IS_RDONLY(inode)) + return -EROFS; + + if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER)) + return -EACCES; + + if (get_user(rsv_window_size, (int __user *)arg)) + return -EFAULT; + + if (rsv_window_size > EXT2_MAX_RESERVE_BLOCKS) + rsv_window_size = EXT2_MAX_RESERVE_BLOCKS; + + /* + * need to allocate reservation structure for this inode + * before set the window size + */ + /* + * XXX What lock should protect the rsv_goal_size? + * Accessed in ext2_get_block only. ext3 uses i_truncate. + */ + mutex_lock(&ei->truncate_mutex); + if (!ei->i_block_alloc_info) + ext2_init_block_alloc_info(inode); + + if (ei->i_block_alloc_info){ + struct ext2_reserve_window_node *rsv = &ei->i_block_alloc_info->rsv_window_node; + rsv->rsv_goal_size = rsv_window_size; + } + mutex_unlock(&ei->truncate_mutex); + return 0; + } default: return -ENOTTY; } diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 639a32c3c9c..77bd5f9262f 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -30,6 +30,7 @@ #include <linux/vfs.h> #include <linux/seq_file.h> #include <linux/mount.h> +#include <linux/log2.h> #include <asm/uaccess.h> #include "ext2.h" #include "xattr.h" @@ -148,6 +149,7 @@ static struct inode *ext2_alloc_inode(struct super_block *sb) ei->i_acl = EXT2_ACL_NOT_CACHED; ei->i_default_acl = EXT2_ACL_NOT_CACHED; #endif + ei->i_block_alloc_info = NULL; ei->vfs_inode.i_version = 1; return &ei->vfs_inode; } @@ -157,7 +159,7 @@ static void ext2_destroy_inode(struct inode *inode) kmem_cache_free(ext2_inode_cachep, EXT2_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct ext2_inode_info *ei = (struct ext2_inode_info *) foo; @@ -165,6 +167,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag #ifdef CONFIG_EXT2_FS_XATTR init_rwsem(&ei->xattr_sem); #endif + mutex_init(&ei->truncate_mutex); inode_init_once(&ei->vfs_inode); } @@ -187,6 +190,7 @@ static void destroy_inodecache(void) static void ext2_clear_inode(struct inode *inode) { + struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info; #ifdef CONFIG_EXT2_FS_POSIX_ACL struct ext2_inode_info *ei = EXT2_I(inode); @@ -199,14 +203,74 @@ static void ext2_clear_inode(struct inode *inode) ei->i_default_acl = EXT2_ACL_NOT_CACHED; } #endif + ext2_discard_reservation(inode); + EXT2_I(inode)->i_block_alloc_info = NULL; + if (unlikely(rsv)) + kfree(rsv); } static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs) { - struct ext2_sb_info *sbi = EXT2_SB(vfs->mnt_sb); + struct super_block *sb = vfs->mnt_sb; + struct ext2_sb_info *sbi = EXT2_SB(sb); + struct ext2_super_block *es = sbi->s_es; + unsigned long def_mount_opts; + + def_mount_opts = le32_to_cpu(es->s_default_mount_opts); - if (sbi->s_mount_opt & EXT2_MOUNT_GRPID) + if (sbi->s_sb_block != 1) + seq_printf(seq, ",sb=%lu", sbi->s_sb_block); + if (test_opt(sb, MINIX_DF)) + seq_puts(seq, ",minixdf"); + if (test_opt(sb, GRPID)) seq_puts(seq, ",grpid"); + if (!test_opt(sb, GRPID) && (def_mount_opts & EXT2_DEFM_BSDGROUPS)) + seq_puts(seq, ",nogrpid"); + if (sbi->s_resuid != EXT2_DEF_RESUID || + le16_to_cpu(es->s_def_resuid) != EXT2_DEF_RESUID) { + seq_printf(seq, ",resuid=%u", sbi->s_resuid); + } + if (sbi->s_resgid != EXT2_DEF_RESGID || + le16_to_cpu(es->s_def_resgid) != EXT2_DEF_RESGID) { + seq_printf(seq, ",resgid=%u", sbi->s_resgid); + } + if (test_opt(sb, ERRORS_CONT)) { + int def_errors = le16_to_cpu(es->s_errors); + + if (def_errors == EXT2_ERRORS_PANIC || + def_errors == EXT2_ERRORS_RO) { + seq_puts(seq, ",errors=continue"); + } + } + if (test_opt(sb, ERRORS_RO)) + seq_puts(seq, ",errors=remount-ro"); + if (test_opt(sb, ERRORS_PANIC)) + seq_puts(seq, ",errors=panic"); + if (test_opt(sb, NO_UID32)) + seq_puts(seq, ",nouid32"); + if (test_opt(sb, DEBUG)) + seq_puts(seq, ",debug"); + if (test_opt(sb, OLDALLOC)) + seq_puts(seq, ",oldalloc"); + +#ifdef CONFIG_EXT2_FS_XATTR + if (test_opt(sb, XATTR_USER)) + seq_puts(seq, ",user_xattr"); + if (!test_opt(sb, XATTR_USER) && + (def_mount_opts & EXT2_DEFM_XATTR_USER)) { + seq_puts(seq, ",nouser_xattr"); + } +#endif + +#ifdef CONFIG_EXT2_FS_POSIX_ACL + if (test_opt(sb, POSIX_ACL)) + seq_puts(seq, ",acl"); + if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT2_DEFM_ACL)) + seq_puts(seq, ",noacl"); +#endif + + if (test_opt(sb, NOBH)) + seq_puts(seq, ",nobh"); #if defined(CONFIG_QUOTA) if (sbi->s_mount_opt & EXT2_MOUNT_USRQUOTA) @@ -234,7 +298,6 @@ static const struct super_operations ext2_sops = { .destroy_inode = ext2_destroy_inode, .read_inode = ext2_read_inode, .write_inode = ext2_write_inode, - .put_inode = ext2_put_inode, .delete_inode = ext2_delete_inode, .put_super = ext2_put_super, .write_super = ext2_write_super, @@ -322,7 +385,7 @@ enum { Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug, Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr, Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota, - Opt_usrquota, Opt_grpquota + Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation }; static match_table_t tokens = { @@ -354,6 +417,8 @@ static match_table_t tokens = { {Opt_ignore, "noquota"}, {Opt_quota, "quota"}, {Opt_usrquota, "usrquota"}, + {Opt_reservation, "reservation"}, + {Opt_noreservation, "noreservation"}, {Opt_err, NULL} }; @@ -486,6 +551,14 @@ static int parse_options (char * options, break; #endif + case Opt_reservation: + set_opt(sbi->s_mount_opt, RESERVATION); + printk("reservations ON\n"); + break; + case Opt_noreservation: + clear_opt(sbi->s_mount_opt, RESERVATION); + printk("reservations OFF\n"); + break; case Opt_ignore: break; default: @@ -653,11 +726,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) int db_count; int i, j; __le32 features; + int err; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) return -ENOMEM; sb->s_fs_info = sbi; + sbi->s_sb_block = sb_block; /* * See what the current blocksize for the device is, and @@ -725,6 +800,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi->s_resuid = le16_to_cpu(es->s_def_resuid); sbi->s_resgid = le16_to_cpu(es->s_def_resgid); + set_opt(sbi->s_mount_opt, RESERVATION); + if (!parse_options ((char *) data, sbi)) goto failed_mount; @@ -804,7 +881,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi->s_inode_size = le16_to_cpu(es->s_inode_size); sbi->s_first_ino = le32_to_cpu(es->s_first_ino); if ((sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE) || - (sbi->s_inode_size & (sbi->s_inode_size - 1)) || + !is_power_of_2(sbi->s_inode_size) || (sbi->s_inode_size > blocksize)) { printk ("EXT2-fs: unsupported inode size: %d\n", sbi->s_inode_size); @@ -906,12 +983,35 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); - percpu_counter_init(&sbi->s_freeblocks_counter, + /* per fileystem reservation list head & lock */ + spin_lock_init(&sbi->s_rsv_window_lock); + sbi->s_rsv_window_root = RB_ROOT; + /* + * Add a single, static dummy reservation to the start of the + * reservation window list --- it gives us a placeholder for + * append-at-start-of-list which makes the allocation logic + * _much_ simpler. + */ + sbi->s_rsv_window_head.rsv_start = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + sbi->s_rsv_window_head.rsv_end = EXT2_RESERVE_WINDOW_NOT_ALLOCATED; + sbi->s_rsv_window_head.rsv_alloc_hit = 0; + sbi->s_rsv_window_head.rsv_goal_size = 0; + ext2_rsv_window_add(sb, &sbi->s_rsv_window_head); + + err = percpu_counter_init(&sbi->s_freeblocks_counter, ext2_count_free_blocks(sb)); - percpu_counter_init(&sbi->s_freeinodes_counter, + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, ext2_count_free_inodes(sb)); - percpu_counter_init(&sbi->s_dirs_counter, + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, ext2_count_dirs(sb)); + } + if (err) { + printk(KERN_ERR "EXT2-fs: insufficient memory\n"); + goto failed_mount3; + } /* * set up enough so that it can read an inode */ @@ -1193,7 +1293,7 @@ static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, tmp_bh.b_state = 0; err = ext2_get_block(inode, blk, &tmp_bh, 0); - if (err) + if (err < 0) return err; if (!buffer_mapped(&tmp_bh)) /* A hole? */ memset(data, 0, tocopy); @@ -1232,7 +1332,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type, tmp_bh.b_state = 0; err = ext2_get_block(inode, blk, &tmp_bh, 1); - if (err) + if (err < 0) goto out; if (offset || tocopy != EXT2_BLOCK_SIZE(sb)) bh = sb_bread(sb, tmp_bh.b_blocknr); diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index 247efd0b51d..3e8683dbb13 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -664,8 +664,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh, s_first_data_block) + EXT2_I(inode)->i_block_group * EXT2_BLOCKS_PER_GROUP(sb); - int block = ext2_new_block(inode, goal, - NULL, NULL, &error); + int block = ext2_new_block(inode, goal, &error); if (error) goto cleanup; ea_idebug(inode, "creating block %d", block); diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index ca8aee6efe3..7a87d15523b 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -80,6 +80,14 @@ struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb, return desc + offset; } +static inline int +block_in_use(ext3_fsblk_t block, struct super_block *sb, unsigned char *map) +{ + return ext3_test_bit ((block - + le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block)) % + EXT3_BLOCKS_PER_GROUP(sb), map); +} + /** * read_block_bitmap() * @sb: super block @@ -93,20 +101,51 @@ struct ext3_group_desc * ext3_get_group_desc(struct super_block * sb, static struct buffer_head * read_block_bitmap(struct super_block *sb, unsigned int block_group) { + int i; struct ext3_group_desc * desc; struct buffer_head * bh = NULL; + ext3_fsblk_t bitmap_blk; desc = ext3_get_group_desc (sb, block_group, NULL); if (!desc) - goto error_out; - bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap)); + return NULL; + bitmap_blk = le32_to_cpu(desc->bg_block_bitmap); + bh = sb_bread(sb, bitmap_blk); if (!bh) - ext3_error (sb, "read_block_bitmap", + ext3_error (sb, __FUNCTION__, "Cannot read block bitmap - " "block_group = %d, block_bitmap = %u", block_group, le32_to_cpu(desc->bg_block_bitmap)); -error_out: + + /* check whether block bitmap block number is set */ + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + /* check whether the inode bitmap block number is set */ + bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap); + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + /* check whether the inode table block number is set */ + bitmap_blk = le32_to_cpu(desc->bg_inode_table); + for (i = 0; i < EXT3_SB(sb)->s_itb_per_group; i++, bitmap_blk++) { + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + } + return bh; + +error_out: + brelse(bh); + ext3_error(sb, __FUNCTION__, + "Invalid block bitmap - " + "block_group = %d, block = %lu", + block_group, bitmap_blk); + return NULL; } /* * The reservation window structure operations @@ -570,7 +609,7 @@ do_more: cpu_to_le16(le16_to_cpu(desc->bg_free_blocks_count) + group_freed); spin_unlock(sb_bgl_lock(sbi, block_group)); - percpu_counter_mod(&sbi->s_freeblocks_counter, count); + percpu_counter_add(&sbi->s_freeblocks_counter, count); /* We dirtied the bitmap block */ BUFFER_TRACE(bitmap_bh, "dirtied bitmap block"); @@ -1633,7 +1672,7 @@ allocated: gdp->bg_free_blocks_count = cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)-num); spin_unlock(sb_bgl_lock(sbi, group_no)); - percpu_counter_mod(&sbi->s_freeblocks_counter, -num); + percpu_counter_sub(&sbi->s_freeblocks_counter, num); BUFFER_TRACE(gdp_bh, "journal_dirty_metadata for group descriptor"); err = ext3_journal_dirty_metadata(handle, gdp_bh); @@ -1733,13 +1772,6 @@ ext3_fsblk_t ext3_count_free_blocks(struct super_block *sb) #endif } -static inline int -block_in_use(ext3_fsblk_t block, struct super_block *sb, unsigned char *map) -{ - return ext3_test_bit ((block - - le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block)) % - EXT3_BLOCKS_PER_GROUP(sb), map); -} static inline int test_root(int a, int b) { diff --git a/fs/ext3/bitmap.c b/fs/ext3/bitmap.c index b9176eed98d..6afc39d8025 100644 --- a/fs/ext3/bitmap.c +++ b/fs/ext3/bitmap.c @@ -13,7 +13,7 @@ #ifdef EXT3FS_DEBUG -static int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; +static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; unsigned long ext3_count_free (struct buffer_head * map, unsigned int numchars) { diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index c00723a99f4..c8e4ee3af1d 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -47,9 +47,7 @@ const struct file_operations ext3_dir_operations = { .compat_ioctl = ext3_compat_ioctl, #endif .fsync = ext3_sync_file, /* BKL held */ -#ifdef CONFIG_EXT3_INDEX .release = ext3_release_dir, -#endif }; @@ -107,7 +105,6 @@ static int ext3_readdir(struct file * filp, sb = inode->i_sb; -#ifdef CONFIG_EXT3_INDEX if (EXT3_HAS_COMPAT_FEATURE(inode->i_sb, EXT3_FEATURE_COMPAT_DIR_INDEX) && ((EXT3_I(inode)->i_flags & EXT3_INDEX_FL) || @@ -123,7 +120,6 @@ static int ext3_readdir(struct file * filp, */ EXT3_I(filp->f_path.dentry->d_inode)->i_flags &= ~EXT3_INDEX_FL; } -#endif stored = 0; offset = filp->f_pos & (sb->s_blocksize - 1); @@ -143,7 +139,7 @@ static int ext3_readdir(struct file * filp, sb->s_bdev->bd_inode->i_mapping, &filp->f_ra, filp, index, 1); - filp->f_ra.prev_index = index; + filp->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT; bh = ext3_bread(NULL, inode, blk, 0, &err); } @@ -210,7 +206,7 @@ revalidate: * not the directory has been modified * during the copy operation. */ - unsigned long version = filp->f_version; + u64 version = filp->f_version; error = filldir(dirent, de->name, de->name_len, @@ -232,7 +228,6 @@ out: return ret; } -#ifdef CONFIG_EXT3_INDEX /* * These functions convert from the major/minor hash to an f_pos * value. @@ -518,5 +513,3 @@ static int ext3_release_dir (struct inode * inode, struct file * filp) return 0; } - -#endif diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c index e45dbd65173..1bc8cd89c51 100644 --- a/fs/ext3/ialloc.c +++ b/fs/ext3/ialloc.c @@ -204,14 +204,13 @@ static int find_group_dir(struct super_block *sb, struct inode *parent) int ngroups = EXT3_SB(sb)->s_groups_count; unsigned int freei, avefreei; struct ext3_group_desc *desc, *best_desc = NULL; - struct buffer_head *bh; int group, best_group = -1; freei = percpu_counter_read_positive(&EXT3_SB(sb)->s_freeinodes_counter); avefreei = freei / ngroups; for (group = 0; group < ngroups; group++) { - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) < avefreei) @@ -269,7 +268,6 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) ext3_grpblk_t min_blocks; int group = -1, i; struct ext3_group_desc *desc; - struct buffer_head *bh; freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter); avefreei = freei / ngroups; @@ -286,7 +284,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) parent_group = (unsigned)group % ngroups; for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_used_dirs_count) >= best_ndir) @@ -319,7 +317,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_used_dirs_count) >= max_dirs) @@ -334,7 +332,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) fallback: for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) >= avefreei) @@ -358,14 +356,13 @@ static int find_group_other(struct super_block *sb, struct inode *parent) int parent_group = EXT3_I(parent)->i_block_group; int ngroups = EXT3_SB(sb)->s_groups_count; struct ext3_group_desc *desc; - struct buffer_head *bh; int group, i; /* * Try to place the inode in its parent directory */ group = parent_group; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) return group; @@ -389,7 +386,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) group += i; if (group >= ngroups) group -= ngroups; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) return group; @@ -403,7 +400,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { if (++group >= ngroups) group = 0; - desc = ext3_get_group_desc (sb, group, &bh); + desc = ext3_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count)) return group; } diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index de4e3161e47..2f2b6864db1 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1147,51 +1147,68 @@ static int do_journal_get_write_access(handle_t *handle, return ext3_journal_get_write_access(handle, bh); } -static int ext3_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext3_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; int ret, needed_blocks = ext3_writepage_trans_blocks(inode); handle_t *handle; int retries = 0; + struct page *page; + pgoff_t index; + unsigned from, to; + + index = pos >> PAGE_CACHE_SHIFT; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; retry: + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + handle = ext3_journal_start(inode, needed_blocks); if (IS_ERR(handle)) { + unlock_page(page); + page_cache_release(page); ret = PTR_ERR(handle); goto out; } - if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) - ret = nobh_prepare_write(page, from, to, ext3_get_block); - else - ret = block_prepare_write(page, from, to, ext3_get_block); + ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ext3_get_block); if (ret) - goto prepare_write_failed; + goto write_begin_failed; if (ext3_should_journal_data(inode)) { ret = walk_page_buffers(handle, page_buffers(page), from, to, NULL, do_journal_get_write_access); } -prepare_write_failed: - if (ret) +write_begin_failed: + if (ret) { ext3_journal_stop(handle); + unlock_page(page); + page_cache_release(page); + } if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries)) goto retry; out: return ret; } + int ext3_journal_dirty_data(handle_t *handle, struct buffer_head *bh) { int err = journal_dirty_data(handle, bh); if (err) ext3_journal_abort_handle(__FUNCTION__, __FUNCTION__, - bh, handle,err); + bh, handle, err); return err; } -/* For commit_write() in data=journal mode */ -static int commit_write_fn(handle_t *handle, struct buffer_head *bh) +/* For write_end() in data=journal mode */ +static int write_end_fn(handle_t *handle, struct buffer_head *bh) { if (!buffer_mapped(bh) || buffer_freed(bh)) return 0; @@ -1200,84 +1217,130 @@ static int commit_write_fn(handle_t *handle, struct buffer_head *bh) } /* + * Generic write_end handler for ordered and writeback ext3 journal modes. + * We can't use generic_write_end, because that unlocks the page and we need to + * unlock the page after ext3_journal_stop, but ext3_journal_stop must run + * after block_write_end. + */ +static int ext3_generic_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = file->f_mapping->host; + + copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); + + if (pos+copied > inode->i_size) { + i_size_write(inode, pos+copied); + mark_inode_dirty(inode); + } + + return copied; +} + +/* * We need to pick up the new inode size which generic_commit_write gave us * `file' can be NULL - eg, when called from page_symlink(). * * ext3 never places buffers on inode->i_mapping->private_list. metadata * buffers are managed internally. */ -static int ext3_ordered_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext3_ordered_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext3_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = file->f_mapping->host; + unsigned from, to; int ret = 0, ret2; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; + ret = walk_page_buffers(handle, page_buffers(page), from, to, NULL, ext3_journal_dirty_data); if (ret == 0) { /* - * generic_commit_write() will run mark_inode_dirty() if i_size + * generic_write_end() will run mark_inode_dirty() if i_size * changes. So let's piggyback the i_disksize mark_inode_dirty * into that. */ loff_t new_i_size; - new_i_size = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + new_i_size = pos + copied; if (new_i_size > EXT3_I(inode)->i_disksize) EXT3_I(inode)->i_disksize = new_i_size; - ret = generic_commit_write(file, page, from, to); + copied = ext3_generic_write_end(file, mapping, pos, len, copied, + page, fsdata); + if (copied < 0) + ret = copied; } ret2 = ext3_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } -static int ext3_writeback_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext3_writeback_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext3_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = file->f_mapping->host; int ret = 0, ret2; loff_t new_i_size; - new_i_size = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + new_i_size = pos + copied; if (new_i_size > EXT3_I(inode)->i_disksize) EXT3_I(inode)->i_disksize = new_i_size; - if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) - ret = nobh_commit_write(file, page, from, to); - else - ret = generic_commit_write(file, page, from, to); + copied = ext3_generic_write_end(file, mapping, pos, len, copied, + page, fsdata); + if (copied < 0) + ret = copied; ret2 = ext3_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } -static int ext3_journalled_commit_write(struct file *file, - struct page *page, unsigned from, unsigned to) +static int ext3_journalled_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext3_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; int ret = 0, ret2; int partial = 0; - loff_t pos; + unsigned from, to; - /* - * Here we duplicate the generic_commit_write() functionality - */ - pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; + + if (copied < len) { + if (!PageUptodate(page)) + copied = 0; + page_zero_new_buffers(page, from+copied, to); + } ret = walk_page_buffers(handle, page_buffers(page), from, - to, &partial, commit_write_fn); + to, &partial, write_end_fn); if (!partial) SetPageUptodate(page); - if (pos > inode->i_size) - i_size_write(inode, pos); + if (pos+copied > inode->i_size) + i_size_write(inode, pos+copied); EXT3_I(inode)->i_state |= EXT3_STATE_JDATA; if (inode->i_size > EXT3_I(inode)->i_disksize) { EXT3_I(inode)->i_disksize = inode->i_size; @@ -1285,10 +1348,14 @@ static int ext3_journalled_commit_write(struct file *file, if (!ret) ret = ret2; } + ret2 = ext3_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } /* @@ -1546,7 +1613,7 @@ static int ext3_journalled_writepage(struct page *page, PAGE_CACHE_SIZE, NULL, do_journal_get_write_access); err = walk_page_buffers(handle, page_buffers(page), 0, - PAGE_CACHE_SIZE, NULL, commit_write_fn); + PAGE_CACHE_SIZE, NULL, write_end_fn); if (ret == 0) ret = err; EXT3_I(inode)->i_state |= EXT3_STATE_JDATA; @@ -1706,8 +1773,8 @@ static const struct address_space_operations ext3_ordered_aops = { .readpages = ext3_readpages, .writepage = ext3_ordered_writepage, .sync_page = block_sync_page, - .prepare_write = ext3_prepare_write, - .commit_write = ext3_ordered_commit_write, + .write_begin = ext3_write_begin, + .write_end = ext3_ordered_write_end, .bmap = ext3_bmap, .invalidatepage = ext3_invalidatepage, .releasepage = ext3_releasepage, @@ -1720,8 +1787,8 @@ static const struct address_space_operations ext3_writeback_aops = { .readpages = ext3_readpages, .writepage = ext3_writeback_writepage, .sync_page = block_sync_page, - .prepare_write = ext3_prepare_write, - .commit_write = ext3_writeback_commit_write, + .write_begin = ext3_write_begin, + .write_end = ext3_writeback_write_end, .bmap = ext3_bmap, .invalidatepage = ext3_invalidatepage, .releasepage = ext3_releasepage, @@ -1734,8 +1801,8 @@ static const struct address_space_operations ext3_journalled_aops = { .readpages = ext3_readpages, .writepage = ext3_journalled_writepage, .sync_page = block_sync_page, - .prepare_write = ext3_prepare_write, - .commit_write = ext3_journalled_commit_write, + .write_begin = ext3_write_begin, + .write_end = ext3_journalled_write_end, .set_page_dirty = ext3_journalled_set_page_dirty, .bmap = ext3_bmap, .invalidatepage = ext3_invalidatepage, diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index c1fa1908dba..ec8170adac5 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -144,7 +144,6 @@ struct dx_map_entry u16 size; }; -#ifdef CONFIG_EXT3_INDEX static inline unsigned dx_get_block (struct dx_entry *entry); static void dx_set_block (struct dx_entry *entry, unsigned value); static inline unsigned dx_get_hash (struct dx_entry *entry); @@ -768,8 +767,6 @@ static void dx_insert_block(struct dx_frame *frame, u32 hash, u32 block) dx_set_block(new, block); dx_set_count(entries, count + 1); } -#endif - static void ext3_update_dx_flag(struct inode *inode) { @@ -871,7 +868,6 @@ static struct buffer_head * ext3_find_entry (struct dentry *dentry, name = dentry->d_name.name; if (namelen > EXT3_NAME_LEN) return NULL; -#ifdef CONFIG_EXT3_INDEX if (is_dx(dir)) { bh = ext3_dx_find_entry(dentry, res_dir, &err); /* @@ -883,7 +879,6 @@ static struct buffer_head * ext3_find_entry (struct dentry *dentry, return bh; dxtrace(printk("ext3_find_entry: dx failed, falling back\n")); } -#endif nblocks = dir->i_size >> EXT3_BLOCK_SIZE_BITS(sb); start = EXT3_I(dir)->i_dir_start_lookup; if (start >= nblocks) @@ -959,7 +954,6 @@ cleanup_and_exit: return ret; } -#ifdef CONFIG_EXT3_INDEX static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry, struct ext3_dir_entry_2 **res_dir, int *err) { @@ -1027,7 +1021,6 @@ errout: dx_release (frames); return NULL; } -#endif static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) { @@ -1123,7 +1116,6 @@ static inline void ext3_set_de_type(struct super_block *sb, de->file_type = ext3_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; } -#ifdef CONFIG_EXT3_INDEX /* * Move count entries from end of map between two memory locations. * Returns pointer to last entry moved. @@ -1268,7 +1260,6 @@ errout: *error = err; return NULL; } -#endif /* @@ -1366,7 +1357,6 @@ static int add_dirent_to_buf(handle_t *handle, struct dentry *dentry, return 0; } -#ifdef CONFIG_EXT3_INDEX /* * This converts a one block unindexed directory to a 3 block indexed * directory, and adds the dentry to the indexed directory. @@ -1445,7 +1435,6 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry, return add_dirent_to_buf(handle, dentry, inode, de, bh); } -#endif /* * ext3_add_entry() @@ -1466,9 +1455,7 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, struct ext3_dir_entry_2 *de; struct super_block * sb; int retval; -#ifdef CONFIG_EXT3_INDEX int dx_fallback=0; -#endif unsigned blocksize; u32 block, blocks; @@ -1476,7 +1463,6 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, blocksize = sb->s_blocksize; if (!dentry->d_name.len) return -EINVAL; -#ifdef CONFIG_EXT3_INDEX if (is_dx(dir)) { retval = ext3_dx_add_entry(handle, dentry, inode); if (!retval || (retval != ERR_BAD_DX_DIR)) @@ -1485,7 +1471,6 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, dx_fallback++; ext3_mark_inode_dirty(handle, dir); } -#endif blocks = dir->i_size >> sb->s_blocksize_bits; for (block = 0, offset = 0; block < blocks; block++) { bh = ext3_bread(handle, dir, block, 0, &retval); @@ -1495,11 +1480,9 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, if (retval != -ENOSPC) return retval; -#ifdef CONFIG_EXT3_INDEX if (blocks == 1 && !dx_fallback && EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_DIR_INDEX)) return make_indexed_dir(handle, dentry, inode, bh); -#endif brelse(bh); } bh = ext3_append(handle, dir, &block, &retval); @@ -1511,7 +1494,6 @@ static int ext3_add_entry (handle_t *handle, struct dentry *dentry, return add_dirent_to_buf(handle, dentry, inode, de, bh); } -#ifdef CONFIG_EXT3_INDEX /* * Returns 0 for success, or a negative error value */ @@ -1646,7 +1628,6 @@ cleanup: dx_release(frames); return err; } -#endif /* * ext3_delete_entry deletes a directory entry by merging it with the diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 2c97e09c6c6..771f7ada15d 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -154,6 +154,34 @@ static void mark_bitmap_end(int start_bit, int end_bit, char *bitmap) } /* + * If we have fewer than thresh credits, extend by EXT3_MAX_TRANS_DATA. + * If that fails, restart the transaction & regain write access for the + * buffer head which is used for block_bitmap modifications. + */ +static int extend_or_restart_transaction(handle_t *handle, int thresh, + struct buffer_head *bh) +{ + int err; + + if (handle->h_buffer_credits >= thresh) + return 0; + + err = ext3_journal_extend(handle, EXT3_MAX_TRANS_DATA); + if (err < 0) + return err; + if (err) { + err = ext3_journal_restart(handle, EXT3_MAX_TRANS_DATA); + if (err) + return err; + err = ext3_journal_get_write_access(handle, bh); + if (err) + return err; + } + + return 0; +} + +/* * Set up the block and inode bitmaps, and the inode table for the new group. * This doesn't need to be part of the main transaction, since we are only * changing blocks outside the actual filesystem. We still do journaling to @@ -175,8 +203,9 @@ static int setup_new_group_blocks(struct super_block *sb, int i; int err = 0, err2; - handle = ext3_journal_start_sb(sb, reserved_gdb + gdblocks + - 2 + sbi->s_itb_per_group); + /* This transaction may be extended/restarted along the way */ + handle = ext3_journal_start_sb(sb, EXT3_MAX_TRANS_DATA); + if (IS_ERR(handle)) return PTR_ERR(handle); @@ -203,6 +232,10 @@ static int setup_new_group_blocks(struct super_block *sb, ext3_debug("update backup group %#04lx (+%d)\n", block, bit); + err = extend_or_restart_transaction(handle, 1, bh); + if (err) + goto exit_bh; + gdb = sb_getblk(sb, block); if (!gdb) { err = -EIO; @@ -228,6 +261,10 @@ static int setup_new_group_blocks(struct super_block *sb, ext3_debug("clear reserved block %#04lx (+%d)\n", block, bit); + err = extend_or_restart_transaction(handle, 1, bh); + if (err) + goto exit_bh; + if (IS_ERR(gdb = bclean(handle, sb, block))) { err = PTR_ERR(bh); goto exit_bh; @@ -249,6 +286,11 @@ static int setup_new_group_blocks(struct super_block *sb, struct buffer_head *it; ext3_debug("clear inode block %#04lx (+%d)\n", block, bit); + + err = extend_or_restart_transaction(handle, 1, bh); + if (err) + goto exit_bh; + if (IS_ERR(it = bclean(handle, sb, block))) { err = PTR_ERR(it); goto exit_bh; @@ -257,6 +299,11 @@ static int setup_new_group_blocks(struct super_block *sb, brelse(it); ext3_set_bit(bit, bh->b_data); } + + err = extend_or_restart_transaction(handle, 2, bh); + if (err) + goto exit_bh; + mark_bitmap_end(input->blocks_count, EXT3_BLOCKS_PER_GROUP(sb), bh->b_data); ext3_journal_dirty_metadata(handle, bh); @@ -884,9 +931,9 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input) input->reserved_blocks); /* Update the free space counts */ - percpu_counter_mod(&sbi->s_freeblocks_counter, + percpu_counter_add(&sbi->s_freeblocks_counter, input->free_blocks_count); - percpu_counter_mod(&sbi->s_freeinodes_counter, + percpu_counter_add(&sbi->s_freeinodes_counter, EXT3_INODES_PER_GROUP(sb)); ext3_journal_dirty_metadata(handle, sbi->s_sbh); diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 9537316a071..141573de7a9 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -472,7 +472,7 @@ static void ext3_destroy_inode(struct inode *inode) kmem_cache_free(ext3_inode_cachep, EXT3_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct ext3_inode_info *ei = (struct ext3_inode_info *) foo; @@ -545,9 +545,78 @@ static inline void ext3_show_quota_options(struct seq_file *seq, struct super_bl #endif } +/* + * Show an option if + * - it's set to a non-default value OR + * - if the per-sb default is different from the global default + */ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs) { struct super_block *sb = vfs->mnt_sb; + struct ext3_sb_info *sbi = EXT3_SB(sb); + struct ext3_super_block *es = sbi->s_es; + unsigned long def_mount_opts; + + def_mount_opts = le32_to_cpu(es->s_default_mount_opts); + + if (sbi->s_sb_block != 1) + seq_printf(seq, ",sb=%lu", sbi->s_sb_block); + if (test_opt(sb, MINIX_DF)) + seq_puts(seq, ",minixdf"); + if (test_opt(sb, GRPID)) + seq_puts(seq, ",grpid"); + if (!test_opt(sb, GRPID) && (def_mount_opts & EXT3_DEFM_BSDGROUPS)) + seq_puts(seq, ",nogrpid"); + if (sbi->s_resuid != EXT3_DEF_RESUID || + le16_to_cpu(es->s_def_resuid) != EXT3_DEF_RESUID) { + seq_printf(seq, ",resuid=%u", sbi->s_resuid); + } + if (sbi->s_resgid != EXT3_DEF_RESGID || + le16_to_cpu(es->s_def_resgid) != EXT3_DEF_RESGID) { + seq_printf(seq, ",resgid=%u", sbi->s_resgid); + } + if (test_opt(sb, ERRORS_CONT)) { + int def_errors = le16_to_cpu(es->s_errors); + + if (def_errors == EXT3_ERRORS_PANIC || + def_errors == EXT3_ERRORS_RO) { + seq_puts(seq, ",errors=continue"); + } + } + if (test_opt(sb, ERRORS_RO)) + seq_puts(seq, ",errors=remount-ro"); + if (test_opt(sb, ERRORS_PANIC)) + seq_puts(seq, ",errors=panic"); + if (test_opt(sb, NO_UID32)) + seq_puts(seq, ",nouid32"); + if (test_opt(sb, DEBUG)) + seq_puts(seq, ",debug"); + if (test_opt(sb, OLDALLOC)) + seq_puts(seq, ",oldalloc"); +#ifdef CONFIG_EXT3_FS_XATTR + if (test_opt(sb, XATTR_USER)) + seq_puts(seq, ",user_xattr"); + if (!test_opt(sb, XATTR_USER) && + (def_mount_opts & EXT3_DEFM_XATTR_USER)) { + seq_puts(seq, ",nouser_xattr"); + } +#endif +#ifdef CONFIG_EXT3_FS_POSIX_ACL + if (test_opt(sb, POSIX_ACL)) + seq_puts(seq, ",acl"); + if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT3_DEFM_ACL)) + seq_puts(seq, ",noacl"); +#endif + if (!test_opt(sb, RESERVATION)) + seq_puts(seq, ",noreservation"); + if (sbi->s_commit_interval) { + seq_printf(seq, ",commit=%u", + (unsigned) (sbi->s_commit_interval / HZ)); + } + if (test_opt(sb, BARRIER)) + seq_puts(seq, ",barrier=1"); + if (test_opt(sb, NOBH)) + seq_puts(seq, ",nobh"); if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_JOURNAL_DATA) seq_puts(seq, ",data=journal"); @@ -1416,6 +1485,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) int i; int needs_recovery; __le32 features; + int err; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) @@ -1424,6 +1494,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) sbi->s_mount_opt = 0; sbi->s_resuid = EXT3_DEF_RESUID; sbi->s_resgid = EXT3_DEF_RESGID; + sbi->s_sb_block = sb_block; unlock_kernel(); @@ -1675,12 +1746,20 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); - percpu_counter_init(&sbi->s_freeblocks_counter, - ext3_count_free_blocks(sb)); - percpu_counter_init(&sbi->s_freeinodes_counter, - ext3_count_free_inodes(sb)); - percpu_counter_init(&sbi->s_dirs_counter, - ext3_count_dirs(sb)); + err = percpu_counter_init(&sbi->s_freeblocks_counter, + ext3_count_free_blocks(sb)); + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, + ext3_count_free_inodes(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, + ext3_count_dirs(sb)); + } + if (err) { + printk(KERN_ERR "EXT3-fs: insufficient memory\n"); + goto failed_mount3; + } /* per fileystem reservation list head & lock */ spin_lock_init(&sbi->s_rsv_window_lock); @@ -2472,13 +2551,13 @@ static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf) buf->f_type = EXT3_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = le32_to_cpu(es->s_blocks_count) - sbi->s_overhead_last; - buf->f_bfree = percpu_counter_sum(&sbi->s_freeblocks_counter); + buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter); es->s_free_blocks_count = cpu_to_le32(buf->f_bfree); buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count); if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count)) buf->f_bavail = 0; buf->f_files = le32_to_cpu(es->s_inodes_count); - buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter); + buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter); es->s_free_inodes_count = cpu_to_le32(buf->f_ffree); buf->f_namelen = EXT3_NAME_LEN; fsid = le64_to_cpup((void *)es->s_uuid) ^ diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index e53b4af52f1..b74bf436844 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -100,6 +100,15 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb, return desc; } +static inline int +block_in_use(ext4_fsblk_t block, struct super_block *sb, unsigned char *map) +{ + ext4_grpblk_t offset; + + ext4_get_group_no_and_offset(sb, block, NULL, &offset); + return ext4_test_bit (offset, map); +} + /** * read_block_bitmap() * @sb: super block @@ -113,21 +122,53 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb, static struct buffer_head * read_block_bitmap(struct super_block *sb, unsigned int block_group) { + int i; struct ext4_group_desc * desc; struct buffer_head * bh = NULL; + ext4_fsblk_t bitmap_blk; desc = ext4_get_group_desc (sb, block_group, NULL); if (!desc) - goto error_out; - bh = sb_bread(sb, ext4_block_bitmap(sb, desc)); + return NULL; + bitmap_blk = ext4_block_bitmap(sb, desc); + bh = sb_bread(sb, bitmap_blk); if (!bh) - ext4_error (sb, "read_block_bitmap", + ext4_error (sb, __FUNCTION__, "Cannot read block bitmap - " "block_group = %d, block_bitmap = %llu", - block_group, - ext4_block_bitmap(sb, desc)); -error_out: + block_group, bitmap_blk); + + /* check whether block bitmap block number is set */ + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + + /* check whether the inode bitmap block number is set */ + bitmap_blk = ext4_inode_bitmap(sb, desc); + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + /* check whether the inode table block number is set */ + bitmap_blk = ext4_inode_table(sb, desc); + for (i = 0; i < EXT4_SB(sb)->s_itb_per_group; i++, bitmap_blk++) { + if (!block_in_use(bitmap_blk, sb, bh->b_data)) { + /* bad block bitmap */ + goto error_out; + } + } + return bh; + +error_out: + brelse(bh); + ext4_error(sb, __FUNCTION__, + "Invalid block bitmap - " + "block_group = %d, block = %llu", + block_group, bitmap_blk); + return NULL; + } /* * The reservation window structure operations @@ -587,7 +628,7 @@ do_more: cpu_to_le16(le16_to_cpu(desc->bg_free_blocks_count) + group_freed); spin_unlock(sb_bgl_lock(sbi, block_group)); - percpu_counter_mod(&sbi->s_freeblocks_counter, count); + percpu_counter_add(&sbi->s_freeblocks_counter, count); /* We dirtied the bitmap block */ BUFFER_TRACE(bitmap_bh, "dirtied bitmap block"); @@ -1647,7 +1688,7 @@ allocated: gdp->bg_free_blocks_count = cpu_to_le16(le16_to_cpu(gdp->bg_free_blocks_count)-num); spin_unlock(sb_bgl_lock(sbi, group_no)); - percpu_counter_mod(&sbi->s_freeblocks_counter, -num); + percpu_counter_sub(&sbi->s_freeblocks_counter, num); BUFFER_TRACE(gdp_bh, "journal_dirty_metadata for group descriptor"); err = ext4_journal_dirty_metadata(handle, gdp_bh); @@ -1747,15 +1788,6 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb) #endif } -static inline int -block_in_use(ext4_fsblk_t block, struct super_block *sb, unsigned char *map) -{ - ext4_grpblk_t offset; - - ext4_get_group_no_and_offset(sb, block, NULL, &offset); - return ext4_test_bit (offset, map); -} - static inline int test_root(int a, int b) { int num = b; diff --git a/fs/ext4/bitmap.c b/fs/ext4/bitmap.c index 11e93c169bc..420554f8f79 100644 --- a/fs/ext4/bitmap.c +++ b/fs/ext4/bitmap.c @@ -13,7 +13,7 @@ #ifdef EXT4FS_DEBUG -static int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; +static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; unsigned long ext4_count_free (struct buffer_head * map, unsigned int numchars) { diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 3ab01c04e00..0fb1e62b20d 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -142,7 +142,7 @@ static int ext4_readdir(struct file * filp, sb->s_bdev->bd_inode->i_mapping, &filp->f_ra, filp, index, 1); - filp->f_ra.prev_index = index; + filp->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT; bh = ext4_bread(NULL, inode, blk, 0, &err); } @@ -210,7 +210,7 @@ revalidate: * not the directory has been modified * during the copy operation. */ - unsigned long version = filp->f_version; + u64 version = filp->f_version; error = filldir(dirent, de->name, de->name_len, diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 427f83066a0..d0c7793d939 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -204,14 +204,13 @@ static int find_group_dir(struct super_block *sb, struct inode *parent) int ngroups = EXT4_SB(sb)->s_groups_count; unsigned int freei, avefreei; struct ext4_group_desc *desc, *best_desc = NULL; - struct buffer_head *bh; int group, best_group = -1; freei = percpu_counter_read_positive(&EXT4_SB(sb)->s_freeinodes_counter); avefreei = freei / ngroups; for (group = 0; group < ngroups; group++) { - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) < avefreei) @@ -269,7 +268,6 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) ext4_grpblk_t min_blocks; int group = -1, i; struct ext4_group_desc *desc; - struct buffer_head *bh; freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter); avefreei = freei / ngroups; @@ -287,7 +285,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) parent_group = (unsigned)group % ngroups; for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_used_dirs_count) >= best_ndir) @@ -322,7 +320,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_used_dirs_count) >= max_dirs) @@ -337,7 +335,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) fallback: for (i = 0; i < ngroups; i++) { group = (parent_group + i) % ngroups; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (!desc || !desc->bg_free_inodes_count) continue; if (le16_to_cpu(desc->bg_free_inodes_count) >= avefreei) @@ -361,14 +359,13 @@ static int find_group_other(struct super_block *sb, struct inode *parent) int parent_group = EXT4_I(parent)->i_block_group; int ngroups = EXT4_SB(sb)->s_groups_count; struct ext4_group_desc *desc; - struct buffer_head *bh; int group, i; /* * Try to place the inode in its parent directory */ group = parent_group; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) return group; @@ -392,7 +389,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) group += i; if (group >= ngroups) group -= ngroups; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count) && le16_to_cpu(desc->bg_free_blocks_count)) return group; @@ -406,7 +403,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) for (i = 0; i < ngroups; i++) { if (++group >= ngroups) group = 0; - desc = ext4_get_group_desc (sb, group, &bh); + desc = ext4_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count)) return group; } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a4848e04a5e..0df2b1e06d0 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1146,34 +1146,50 @@ static int do_journal_get_write_access(handle_t *handle, return ext4_journal_get_write_access(handle, bh); } -static int ext4_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext4_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; int ret, needed_blocks = ext4_writepage_trans_blocks(inode); handle_t *handle; int retries = 0; + struct page *page; + pgoff_t index; + unsigned from, to; + + index = pos >> PAGE_CACHE_SHIFT; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; retry: - handle = ext4_journal_start(inode, needed_blocks); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - goto out; + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + + handle = ext4_journal_start(inode, needed_blocks); + if (IS_ERR(handle)) { + unlock_page(page); + page_cache_release(page); + ret = PTR_ERR(handle); + goto out; } - if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode)) - ret = nobh_prepare_write(page, from, to, ext4_get_block); - else - ret = block_prepare_write(page, from, to, ext4_get_block); - if (ret) - goto prepare_write_failed; - if (ext4_should_journal_data(inode)) { + ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ext4_get_block); + + if (!ret && ext4_should_journal_data(inode)) { ret = walk_page_buffers(handle, page_buffers(page), from, to, NULL, do_journal_get_write_access); } -prepare_write_failed: - if (ret) + + if (ret) { ext4_journal_stop(handle); + unlock_page(page); + page_cache_release(page); + } + if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) goto retry; out: @@ -1185,12 +1201,12 @@ int ext4_journal_dirty_data(handle_t *handle, struct buffer_head *bh) int err = jbd2_journal_dirty_data(handle, bh); if (err) ext4_journal_abort_handle(__FUNCTION__, __FUNCTION__, - bh, handle,err); + bh, handle, err); return err; } -/* For commit_write() in data=journal mode */ -static int commit_write_fn(handle_t *handle, struct buffer_head *bh) +/* For write_end() in data=journal mode */ +static int write_end_fn(handle_t *handle, struct buffer_head *bh) { if (!buffer_mapped(bh) || buffer_freed(bh)) return 0; @@ -1199,84 +1215,130 @@ static int commit_write_fn(handle_t *handle, struct buffer_head *bh) } /* + * Generic write_end handler for ordered and writeback ext4 journal modes. + * We can't use generic_write_end, because that unlocks the page and we need to + * unlock the page after ext4_journal_stop, but ext4_journal_stop must run + * after block_write_end. + */ +static int ext4_generic_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = file->f_mapping->host; + + copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); + + if (pos+copied > inode->i_size) { + i_size_write(inode, pos+copied); + mark_inode_dirty(inode); + } + + return copied; +} + +/* * We need to pick up the new inode size which generic_commit_write gave us * `file' can be NULL - eg, when called from page_symlink(). * * ext4 never places buffers on inode->i_mapping->private_list. metadata * buffers are managed internally. */ -static int ext4_ordered_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext4_ordered_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext4_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = file->f_mapping->host; + unsigned from, to; int ret = 0, ret2; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; + ret = walk_page_buffers(handle, page_buffers(page), from, to, NULL, ext4_journal_dirty_data); if (ret == 0) { /* - * generic_commit_write() will run mark_inode_dirty() if i_size + * generic_write_end() will run mark_inode_dirty() if i_size * changes. So let's piggyback the i_disksize mark_inode_dirty * into that. */ loff_t new_i_size; - new_i_size = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + new_i_size = pos + copied; if (new_i_size > EXT4_I(inode)->i_disksize) EXT4_I(inode)->i_disksize = new_i_size; - ret = generic_commit_write(file, page, from, to); + copied = ext4_generic_write_end(file, mapping, pos, len, copied, + page, fsdata); + if (copied < 0) + ret = copied; } ret2 = ext4_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } -static int ext4_writeback_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ext4_writeback_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext4_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = file->f_mapping->host; int ret = 0, ret2; loff_t new_i_size; - new_i_size = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + new_i_size = pos + copied; if (new_i_size > EXT4_I(inode)->i_disksize) EXT4_I(inode)->i_disksize = new_i_size; - if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode)) - ret = nobh_commit_write(file, page, from, to); - else - ret = generic_commit_write(file, page, from, to); + copied = ext4_generic_write_end(file, mapping, pos, len, copied, + page, fsdata); + if (copied < 0) + ret = copied; ret2 = ext4_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } -static int ext4_journalled_commit_write(struct file *file, - struct page *page, unsigned from, unsigned to) +static int ext4_journalled_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { handle_t *handle = ext4_journal_current_handle(); - struct inode *inode = page->mapping->host; + struct inode *inode = mapping->host; int ret = 0, ret2; int partial = 0; - loff_t pos; + unsigned from, to; - /* - * Here we duplicate the generic_commit_write() functionality - */ - pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + from = pos & (PAGE_CACHE_SIZE - 1); + to = from + len; + + if (copied < len) { + if (!PageUptodate(page)) + copied = 0; + page_zero_new_buffers(page, from+copied, to); + } ret = walk_page_buffers(handle, page_buffers(page), from, - to, &partial, commit_write_fn); + to, &partial, write_end_fn); if (!partial) SetPageUptodate(page); - if (pos > inode->i_size) - i_size_write(inode, pos); + if (pos+copied > inode->i_size) + i_size_write(inode, pos+copied); EXT4_I(inode)->i_state |= EXT4_STATE_JDATA; if (inode->i_size > EXT4_I(inode)->i_disksize) { EXT4_I(inode)->i_disksize = inode->i_size; @@ -1284,10 +1346,14 @@ static int ext4_journalled_commit_write(struct file *file, if (!ret) ret = ret2; } + ret2 = ext4_journal_stop(handle); if (!ret) ret = ret2; - return ret; + unlock_page(page); + page_cache_release(page); + + return ret ? ret : copied; } /* @@ -1545,7 +1611,7 @@ static int ext4_journalled_writepage(struct page *page, PAGE_CACHE_SIZE, NULL, do_journal_get_write_access); err = walk_page_buffers(handle, page_buffers(page), 0, - PAGE_CACHE_SIZE, NULL, commit_write_fn); + PAGE_CACHE_SIZE, NULL, write_end_fn); if (ret == 0) ret = err; EXT4_I(inode)->i_state |= EXT4_STATE_JDATA; @@ -1705,8 +1771,8 @@ static const struct address_space_operations ext4_ordered_aops = { .readpages = ext4_readpages, .writepage = ext4_ordered_writepage, .sync_page = block_sync_page, - .prepare_write = ext4_prepare_write, - .commit_write = ext4_ordered_commit_write, + .write_begin = ext4_write_begin, + .write_end = ext4_ordered_write_end, .bmap = ext4_bmap, .invalidatepage = ext4_invalidatepage, .releasepage = ext4_releasepage, @@ -1719,8 +1785,8 @@ static const struct address_space_operations ext4_writeback_aops = { .readpages = ext4_readpages, .writepage = ext4_writeback_writepage, .sync_page = block_sync_page, - .prepare_write = ext4_prepare_write, - .commit_write = ext4_writeback_commit_write, + .write_begin = ext4_write_begin, + .write_end = ext4_writeback_write_end, .bmap = ext4_bmap, .invalidatepage = ext4_invalidatepage, .releasepage = ext4_releasepage, @@ -1733,8 +1799,8 @@ static const struct address_space_operations ext4_journalled_aops = { .readpages = ext4_readpages, .writepage = ext4_journalled_writepage, .sync_page = block_sync_page, - .prepare_write = ext4_prepare_write, - .commit_write = ext4_journalled_commit_write, + .write_begin = ext4_write_begin, + .write_end = ext4_journalled_write_end, .set_page_dirty = ext4_journalled_set_page_dirty, .bmap = ext4_bmap, .invalidatepage = ext4_invalidatepage, diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index aa11d7dbe97..472fc0d3e1c 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -893,9 +893,9 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input) input->reserved_blocks); /* Update the free space counts */ - percpu_counter_mod(&sbi->s_freeblocks_counter, + percpu_counter_add(&sbi->s_freeblocks_counter, input->free_blocks_count); - percpu_counter_mod(&sbi->s_freeinodes_counter, + percpu_counter_add(&sbi->s_freeinodes_counter, EXT4_INODES_PER_GROUP(sb)); ext4_journal_dirty_metadata(handle, sbi->s_sbh); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 3c1397fa83d..4c8d31c6145 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -523,7 +523,7 @@ static void ext4_destroy_inode(struct inode *inode) kmem_cache_free(ext4_inode_cachep, EXT4_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct ext4_inode_info *ei = (struct ext4_inode_info *) foo; @@ -596,9 +596,80 @@ static inline void ext4_show_quota_options(struct seq_file *seq, struct super_bl #endif } +/* + * Show an option if + * - it's set to a non-default value OR + * - if the per-sb default is different from the global default + */ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) { struct super_block *sb = vfs->mnt_sb; + struct ext4_sb_info *sbi = EXT4_SB(sb); + struct ext4_super_block *es = sbi->s_es; + unsigned long def_mount_opts; + + def_mount_opts = le32_to_cpu(es->s_default_mount_opts); + + if (sbi->s_sb_block != 1) + seq_printf(seq, ",sb=%llu", sbi->s_sb_block); + if (test_opt(sb, MINIX_DF)) + seq_puts(seq, ",minixdf"); + if (test_opt(sb, GRPID)) + seq_puts(seq, ",grpid"); + if (!test_opt(sb, GRPID) && (def_mount_opts & EXT4_DEFM_BSDGROUPS)) + seq_puts(seq, ",nogrpid"); + if (sbi->s_resuid != EXT4_DEF_RESUID || + le16_to_cpu(es->s_def_resuid) != EXT4_DEF_RESUID) { + seq_printf(seq, ",resuid=%u", sbi->s_resuid); + } + if (sbi->s_resgid != EXT4_DEF_RESGID || + le16_to_cpu(es->s_def_resgid) != EXT4_DEF_RESGID) { + seq_printf(seq, ",resgid=%u", sbi->s_resgid); + } + if (test_opt(sb, ERRORS_CONT)) { + int def_errors = le16_to_cpu(es->s_errors); + + if (def_errors == EXT4_ERRORS_PANIC || + def_errors == EXT4_ERRORS_RO) { + seq_puts(seq, ",errors=continue"); + } + } + if (test_opt(sb, ERRORS_RO)) + seq_puts(seq, ",errors=remount-ro"); + if (test_opt(sb, ERRORS_PANIC)) + seq_puts(seq, ",errors=panic"); + if (test_opt(sb, NO_UID32)) + seq_puts(seq, ",nouid32"); + if (test_opt(sb, DEBUG)) + seq_puts(seq, ",debug"); + if (test_opt(sb, OLDALLOC)) + seq_puts(seq, ",oldalloc"); +#ifdef CONFIG_EXT4_FS_XATTR + if (test_opt(sb, XATTR_USER)) + seq_puts(seq, ",user_xattr"); + if (!test_opt(sb, XATTR_USER) && + (def_mount_opts & EXT4_DEFM_XATTR_USER)) { + seq_puts(seq, ",nouser_xattr"); + } +#endif +#ifdef CONFIG_EXT4_FS_POSIX_ACL + if (test_opt(sb, POSIX_ACL)) + seq_puts(seq, ",acl"); + if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT4_DEFM_ACL)) + seq_puts(seq, ",noacl"); +#endif + if (!test_opt(sb, RESERVATION)) + seq_puts(seq, ",noreservation"); + if (sbi->s_commit_interval) { + seq_printf(seq, ",commit=%u", + (unsigned) (sbi->s_commit_interval / HZ)); + } + if (test_opt(sb, BARRIER)) + seq_puts(seq, ",barrier=1"); + if (test_opt(sb, NOBH)) + seq_puts(seq, ",nobh"); + if (!test_opt(sb, EXTENTS)) + seq_puts(seq, ",noextents"); if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) seq_puts(seq, ",data=journal"); @@ -1415,8 +1486,6 @@ static void ext4_orphan_cleanup (struct super_block * sb, sb->s_flags = s_flags; /* Restore MS_RDONLY status */ } -#define log2(n) ffz(~(n)) - /* * Maximal file size. There is a direct, and {,double-,triple-}indirect * block limit, and also a limit of (2^32 - 1) 512-byte sectors in i_blocks. @@ -1479,6 +1548,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) int needs_recovery; __le32 features; __u64 blocks_count; + int err; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) @@ -1487,6 +1557,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) sbi->s_mount_opt = 0; sbi->s_resuid = EXT4_DEF_RESUID; sbi->s_resgid = EXT4_DEF_RESGID; + sbi->s_sb_block = sb_block; unlock_kernel(); @@ -1667,7 +1738,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT)) { if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT || sbi->s_desc_size > EXT4_MAX_DESC_SIZE || - sbi->s_desc_size & (sbi->s_desc_size - 1)) { + !is_power_of_2(sbi->s_desc_size)) { printk(KERN_ERR "EXT4-fs: unsupported descriptor size %lu\n", sbi->s_desc_size); @@ -1688,8 +1759,8 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb); sbi->s_sbh = bh; sbi->s_mount_state = le16_to_cpu(es->s_state); - sbi->s_addr_per_block_bits = log2(EXT4_ADDR_PER_BLOCK(sb)); - sbi->s_desc_per_block_bits = log2(EXT4_DESC_PER_BLOCK(sb)); + sbi->s_addr_per_block_bits = ilog2(EXT4_ADDR_PER_BLOCK(sb)); + sbi->s_desc_per_block_bits = ilog2(EXT4_DESC_PER_BLOCK(sb)); for (i=0; i < 4; i++) sbi->s_hash_seed[i] = le32_to_cpu(es->s_hash_seed[i]); sbi->s_def_hash_version = es->s_def_hash_version; @@ -1759,12 +1830,20 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); - percpu_counter_init(&sbi->s_freeblocks_counter, - ext4_count_free_blocks(sb)); - percpu_counter_init(&sbi->s_freeinodes_counter, - ext4_count_free_inodes(sb)); - percpu_counter_init(&sbi->s_dirs_counter, - ext4_count_dirs(sb)); + err = percpu_counter_init(&sbi->s_freeblocks_counter, + ext4_count_free_blocks(sb)); + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, + ext4_count_free_inodes(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, + ext4_count_dirs(sb)); + } + if (err) { + printk(KERN_ERR "EXT4-fs: insufficient memory\n"); + goto failed_mount3; + } /* per fileystem reservation list head & lock */ spin_lock_init(&sbi->s_rsv_window_lock); @@ -2592,13 +2671,13 @@ static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf) buf->f_type = EXT4_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = ext4_blocks_count(es) - sbi->s_overhead_last; - buf->f_bfree = percpu_counter_sum(&sbi->s_freeblocks_counter); + buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter); es->s_free_blocks_count = cpu_to_le32(buf->f_bfree); buf->f_bavail = buf->f_bfree - ext4_r_blocks_count(es); if (buf->f_bfree < ext4_r_blocks_count(es)) buf->f_bavail = 0; buf->f_files = le32_to_cpu(es->s_inodes_count); - buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter); + buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter); es->s_free_inodes_count = cpu_to_le32(buf->f_ffree); buf->f_namelen = EXT4_NAME_LEN; fsid = le64_to_cpup((void *)es->s_uuid) ^ diff --git a/fs/fat/cache.c b/fs/fat/cache.c index be6f89b152c..639b3b4f86d 100644 --- a/fs/fat/cache.c +++ b/fs/fat/cache.c @@ -36,7 +36,7 @@ static inline int fat_max_cache(struct inode *inode) static struct kmem_cache *fat_cache_cachep; -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct fat_cache *cache = (struct fat_cache *)foo; diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 4baa5f20536..c0c5e9c55b5 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -141,19 +141,24 @@ static int fat_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, fat_get_block); } -static int fat_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int fat_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page, from, to, fat_get_block, - &MSDOS_I(page->mapping->host)->mmu_private); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + fat_get_block, + &MSDOS_I(mapping->host)->mmu_private); } -static int fat_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int fat_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *pagep, void *fsdata) { - struct inode *inode = page->mapping->host; - int err = generic_commit_write(file, page, from, to); - if (!err && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) { + struct inode *inode = mapping->host; + int err; + err = generic_write_end(file, mapping, pos, len, copied, pagep, fsdata); + if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) { inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; MSDOS_I(inode)->i_attrs |= ATTR_ARCH; mark_inode_dirty(inode); @@ -202,8 +207,8 @@ static const struct address_space_operations fat_aops = { .writepage = fat_writepage, .writepages = fat_writepages, .sync_page = block_sync_page, - .prepare_write = fat_prepare_write, - .commit_write = fat_commit_write, + .write_begin = fat_write_begin, + .write_end = fat_write_end, .direct_IO = fat_direct_IO, .bmap = _fat_bmap }; @@ -496,7 +501,7 @@ static void fat_destroy_inode(struct inode *inode) kmem_cache_free(fat_inode_cachep, MSDOS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct msdos_inode_info *ei = (struct msdos_inode_info *)foo; diff --git a/fs/fcntl.c b/fs/fcntl.c index 78b2ff04405..c9db73fc5e3 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -110,7 +110,7 @@ out: return error; } -static int dupfd(struct file *file, unsigned int start) +static int dupfd(struct file *file, unsigned int start, int cloexec) { struct files_struct * files = current->files; struct fdtable *fdt; @@ -122,7 +122,10 @@ static int dupfd(struct file *file, unsigned int start) /* locate_fd() may have expanded fdtable, load the ptr */ fdt = files_fdtable(files); FD_SET(fd, fdt->open_fds); - FD_CLR(fd, fdt->close_on_exec); + if (cloexec) + FD_SET(fd, fdt->close_on_exec); + else + FD_CLR(fd, fdt->close_on_exec); spin_unlock(&files->file_lock); fd_install(fd, file); } else { @@ -195,7 +198,7 @@ asmlinkage long sys_dup(unsigned int fildes) struct file * file = fget(fildes); if (file) - ret = dupfd(file, 0); + ret = dupfd(file, 0, 0); return ret; } @@ -319,8 +322,9 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, switch (cmd) { case F_DUPFD: + case F_DUPFD_CLOEXEC: get_file(filp); - err = dupfd(filp, arg); + err = dupfd(filp, arg, cmd == F_DUPFD_CLOEXEC); break; case F_GETFD: err = get_close_on_exec(fd) ? FD_CLOEXEC : 0; diff --git a/fs/file_table.c b/fs/file_table.c index d17fd691b83..3176fefc92e 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -98,16 +98,15 @@ struct file *get_empty_filp(void) * percpu_counters are inaccurate. Do an expensive check before * we go and fail. */ - if (percpu_counter_sum(&nr_files) >= files_stat.max_files) + if (percpu_counter_sum_positive(&nr_files) >= files_stat.max_files) goto over; } - f = kmem_cache_alloc(filp_cachep, GFP_KERNEL); + f = kmem_cache_zalloc(filp_cachep, GFP_KERNEL); if (f == NULL) goto fail; percpu_counter_inc(&nr_files); - memset(f, 0, sizeof(*f)); if (security_file_alloc(f)) goto fail_sec; @@ -138,6 +137,66 @@ fail: EXPORT_SYMBOL(get_empty_filp); +/** + * alloc_file - allocate and initialize a 'struct file' + * @mnt: the vfsmount on which the file will reside + * @dentry: the dentry representing the new file + * @mode: the mode with which the new file will be opened + * @fop: the 'struct file_operations' for the new file + * + * Use this instead of get_empty_filp() to get a new + * 'struct file'. Do so because of the same initialization + * pitfalls reasons listed for init_file(). This is a + * preferred interface to using init_file(). + * + * If all the callers of init_file() are eliminated, its + * code should be moved into this function. + */ +struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry, + mode_t mode, const struct file_operations *fop) +{ + struct file *file; + struct path; + + file = get_empty_filp(); + if (!file) + return NULL; + + init_file(file, mnt, dentry, mode, fop); + return file; +} +EXPORT_SYMBOL(alloc_file); + +/** + * init_file - initialize a 'struct file' + * @file: the already allocated 'struct file' to initialized + * @mnt: the vfsmount on which the file resides + * @dentry: the dentry representing this file + * @mode: the mode the file is opened with + * @fop: the 'struct file_operations' for this file + * + * Use this instead of setting the members directly. Doing so + * avoids making mistakes like forgetting the mntget() or + * forgetting to take a write on the mnt. + * + * Note: This is a crappy interface. It is here to make + * merging with the existing users of get_empty_filp() + * who have complex failure logic easier. All users + * of this should be moving to alloc_file(). + */ +int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry, + mode_t mode, const struct file_operations *fop) +{ + int error = 0; + file->f_path.dentry = dentry; + file->f_path.mnt = mntget(mnt); + file->f_mapping = dentry->d_inode->i_mapping; + file->f_mode = mode; + file->f_op = fop; + return error; +} +EXPORT_SYMBOL(init_file); + void fastcall fput(struct file *file) { if (atomic_dec_and_test(&file->f_count)) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 8d23b0b3871..686734ff973 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -100,11 +100,11 @@ void __mark_inode_dirty(struct inode *inode, int flags) inode->i_state |= flags; /* - * If the inode is locked, just update its dirty state. + * If the inode is being synced, just update its dirty state. * The unlocker will place the inode on the appropriate * superblock list, based upon its state. */ - if (inode->i_state & I_LOCK) + if (inode->i_state & I_SYNC) goto out; /* @@ -119,7 +119,7 @@ void __mark_inode_dirty(struct inode *inode, int flags) goto out; /* - * If the inode was already on s_dirty or s_io, don't + * If the inode was already on s_dirty/s_io/s_more_io, don't * reposition it (that would break s_dirty time-ordering). */ if (!was_dirty) { @@ -141,6 +141,82 @@ static int write_inode(struct inode *inode, int sync) } /* + * Redirty an inode: set its when-it-was dirtied timestamp and move it to the + * furthest end of its superblock's dirty-inode list. + * + * Before stamping the inode's ->dirtied_when, we check to see whether it is + * already the most-recently-dirtied inode on the s_dirty list. If that is + * the case then the inode must have been redirtied while it was being written + * out and we don't reset its dirtied_when. + */ +static void redirty_tail(struct inode *inode) +{ + struct super_block *sb = inode->i_sb; + + if (!list_empty(&sb->s_dirty)) { + struct inode *tail_inode; + + tail_inode = list_entry(sb->s_dirty.next, struct inode, i_list); + if (!time_after_eq(inode->dirtied_when, + tail_inode->dirtied_when)) + inode->dirtied_when = jiffies; + } + list_move(&inode->i_list, &sb->s_dirty); +} + +/* + * requeue inode for re-scanning after sb->s_io list is exhausted. + */ +static void requeue_io(struct inode *inode) +{ + list_move(&inode->i_list, &inode->i_sb->s_more_io); +} + +static void inode_sync_complete(struct inode *inode) +{ + /* + * Prevent speculative execution through spin_unlock(&inode_lock); + */ + smp_mb(); + wake_up_bit(&inode->i_state, __I_SYNC); +} + +/* + * Move expired dirty inodes from @delaying_queue to @dispatch_queue. + */ +static void move_expired_inodes(struct list_head *delaying_queue, + struct list_head *dispatch_queue, + unsigned long *older_than_this) +{ + while (!list_empty(delaying_queue)) { + struct inode *inode = list_entry(delaying_queue->prev, + struct inode, i_list); + if (older_than_this && + time_after(inode->dirtied_when, *older_than_this)) + break; + list_move(&inode->i_list, dispatch_queue); + } +} + +/* + * Queue all expired dirty inodes for io, eldest first. + */ +static void queue_io(struct super_block *sb, + unsigned long *older_than_this) +{ + list_splice_init(&sb->s_more_io, sb->s_io.prev); + move_expired_inodes(&sb->s_dirty, &sb->s_io, older_than_this); +} + +int sb_has_dirty_inodes(struct super_block *sb) +{ + return !list_empty(&sb->s_dirty) || + !list_empty(&sb->s_io) || + !list_empty(&sb->s_more_io); +} +EXPORT_SYMBOL(sb_has_dirty_inodes); + +/* * Write a single inode's dirty pages and inode data out to disk. * If `wait' is set, wait on the writeout. * @@ -155,15 +231,14 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc) { unsigned dirty; struct address_space *mapping = inode->i_mapping; - struct super_block *sb = inode->i_sb; int wait = wbc->sync_mode == WB_SYNC_ALL; int ret; - BUG_ON(inode->i_state & I_LOCK); + BUG_ON(inode->i_state & I_SYNC); - /* Set I_LOCK, reset I_DIRTY */ + /* Set I_SYNC, reset I_DIRTY */ dirty = inode->i_state & I_DIRTY; - inode->i_state |= I_LOCK; + inode->i_state |= I_SYNC; inode->i_state &= ~I_DIRTY; spin_unlock(&inode_lock); @@ -184,24 +259,32 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc) } spin_lock(&inode_lock); - inode->i_state &= ~I_LOCK; + inode->i_state &= ~I_SYNC; if (!(inode->i_state & I_FREEING)) { if (!(inode->i_state & I_DIRTY) && mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) { /* * We didn't write back all the pages. nfs_writepages() * sometimes bales out without doing anything. Redirty - * the inode. It is still on sb->s_io. + * the inode; Move it from s_io onto s_more_io/s_dirty. + */ + /* + * akpm: if the caller was the kupdate function we put + * this inode at the head of s_dirty so it gets first + * consideration. Otherwise, move it to the tail, for + * the reasons described there. I'm not really sure + * how much sense this makes. Presumably I had a good + * reasons for doing it this way, and I'd rather not + * muck with it at present. */ if (wbc->for_kupdate) { /* - * For the kupdate function we leave the inode - * at the head of sb_dirty so it will get more - * writeout as soon as the queue becomes - * uncongested. + * For the kupdate function we move the inode + * to s_more_io so it will get more writeout as + * soon as the queue becomes uncongested. */ inode->i_state |= I_DIRTY_PAGES; - list_move_tail(&inode->i_list, &sb->s_dirty); + requeue_io(inode); } else { /* * Otherwise fully redirty the inode so that @@ -211,15 +294,14 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc) * all the other files. */ inode->i_state |= I_DIRTY_PAGES; - inode->dirtied_when = jiffies; - list_move(&inode->i_list, &sb->s_dirty); + redirty_tail(inode); } } else if (inode->i_state & I_DIRTY) { /* * Someone redirtied the inode while were writing back * the pages. */ - list_move(&inode->i_list, &sb->s_dirty); + redirty_tail(inode); } else if (atomic_read(&inode->i_count)) { /* * The inode is clean, inuse @@ -232,7 +314,7 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc) list_move(&inode->i_list, &inode_unused); } } - wake_up_inode(inode); + inode_sync_complete(inode); return ret; } @@ -251,11 +333,18 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc) else WARN_ON(inode->i_state & I_WILL_FREE); - if ((wbc->sync_mode != WB_SYNC_ALL) && (inode->i_state & I_LOCK)) { + if ((wbc->sync_mode != WB_SYNC_ALL) && (inode->i_state & I_SYNC)) { struct address_space *mapping = inode->i_mapping; int ret; - list_move(&inode->i_list, &inode->i_sb->s_dirty); + /* + * We're skipping this inode because it's locked, and we're not + * doing writeback-for-data-integrity. Move it to s_more_io so + * that writeback can proceed with the other inodes on s_io. + * We'll have another go at writing back this inode when we + * completed a full scan of s_io. + */ + requeue_io(inode); /* * Even if we don't actually write the inode itself here, @@ -270,16 +359,16 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc) /* * It's a data-integrity sync. We must wait. */ - if (inode->i_state & I_LOCK) { - DEFINE_WAIT_BIT(wq, &inode->i_state, __I_LOCK); + if (inode->i_state & I_SYNC) { + DEFINE_WAIT_BIT(wq, &inode->i_state, __I_SYNC); - wqh = bit_waitqueue(&inode->i_state, __I_LOCK); + wqh = bit_waitqueue(&inode->i_state, __I_SYNC); do { spin_unlock(&inode_lock); __wait_on_bit(wqh, &wq, inode_wait, TASK_UNINTERRUPTIBLE); spin_lock(&inode_lock); - } while (inode->i_state & I_LOCK); + } while (inode->i_state & I_SYNC); } return __sync_single_inode(inode, wbc); } @@ -312,7 +401,7 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc) * The inodes to be written are parked on sb->s_io. They are moved back onto * sb->s_dirty as they are selected for writing. This way, none can be missed * on the writer throttling path, and we get decent balancing between many - * throttled threads: we don't want them all piling up on __wait_on_inode. + * throttled threads: we don't want them all piling up on inode_sync_wait. */ static void sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) @@ -320,7 +409,7 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) const unsigned long start = jiffies; /* livelock avoidance */ if (!wbc->for_kupdate || list_empty(&sb->s_io)) - list_splice_init(&sb->s_dirty, &sb->s_io); + queue_io(sb, wbc->older_than_this); while (!list_empty(&sb->s_io)) { struct inode *inode = list_entry(sb->s_io.prev, @@ -330,7 +419,7 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) long pages_skipped; if (!bdi_cap_writeback_dirty(bdi)) { - list_move(&inode->i_list, &sb->s_dirty); + redirty_tail(inode); if (sb_is_blkdev_sb(sb)) { /* * Dirty memory-backed blockdev: the ramdisk @@ -350,14 +439,14 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) wbc->encountered_congestion = 1; if (!sb_is_blkdev_sb(sb)) break; /* Skip a congested fs */ - list_move(&inode->i_list, &sb->s_dirty); + requeue_io(inode); continue; /* Skip a congested blockdev */ } if (wbc->bdi && bdi != wbc->bdi) { if (!sb_is_blkdev_sb(sb)) break; /* fs has the wrong queue */ - list_move(&inode->i_list, &sb->s_dirty); + requeue_io(inode); continue; /* blockdev has wrong queue */ } @@ -365,11 +454,6 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) if (time_after(inode->dirtied_when, start)) break; - /* Was this inode dirtied too recently? */ - if (wbc->older_than_this && time_after(inode->dirtied_when, - *wbc->older_than_this)) - break; - /* Is another pdflush already flushing this queue? */ if (current_is_pdflush() && !writeback_acquire(bdi)) break; @@ -389,7 +473,7 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) * writeback is not making progress due to locked * buffers. Skip this inode for now. */ - list_move(&inode->i_list, &sb->s_dirty); + redirty_tail(inode); } spin_unlock(&inode_lock); iput(inode); @@ -398,6 +482,8 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) if (wbc->nr_to_write <= 0) break; } + if (!list_empty(&sb->s_more_io)) + wbc->more_io = 1; return; /* Leave any unwritten inodes on s_io */ } @@ -407,7 +493,7 @@ sync_sb_inodes(struct super_block *sb, struct writeback_control *wbc) * Note: * We don't need to grab a reference to superblock here. If it has non-empty * ->s_dirty it's hadn't been killed yet and kill_super() won't proceed - * past sync_inodes_sb() until both the ->s_dirty and ->s_io lists are + * past sync_inodes_sb() until the ->s_dirty/s_io/s_more_io lists are all * empty. Since __sync_single_inode() regains inode_lock before it finally moves * inode from superblock lists we are OK. * @@ -430,7 +516,7 @@ writeback_inodes(struct writeback_control *wbc) restart: sb = sb_entry(super_blocks.prev); for (; sb != sb_entry(&super_blocks); sb = sb_entry(sb->s_list.prev)) { - if (!list_empty(&sb->s_dirty) || !list_empty(&sb->s_io)) { + if (sb_has_dirty_inodes(sb)) { /* we're making our own get_super here */ sb->s_count++; spin_unlock(&sb_lock); @@ -584,7 +670,7 @@ int write_inode_now(struct inode *inode, int sync) ret = __writeback_single_inode(inode, &wbc); spin_unlock(&inode_lock); if (sync) - wait_on_inode(inode); + inode_sync_wait(inode); return ret; } EXPORT_SYMBOL(write_inode_now); @@ -659,7 +745,7 @@ int generic_osync_inode(struct inode *inode, struct address_space *mapping, int err = err2; } else - wait_on_inode(inode); + inode_sync_wait(inode); return err; } diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 3ad22beb24c..db534bcde45 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -129,7 +129,7 @@ static struct fuse_req *get_reserved_req(struct fuse_conn *fc, struct fuse_file *ff = file->private_data; do { - wait_event(fc->blocked_waitq, ff->reserved_req); + wait_event(fc->reserved_req_waitq, ff->reserved_req); spin_lock(&fc->lock); if (ff->reserved_req) { req = ff->reserved_req; @@ -155,7 +155,7 @@ static void put_reserved_req(struct fuse_conn *fc, struct fuse_req *req) fuse_request_init(req); BUG_ON(ff->reserved_req); ff->reserved_req = req; - wake_up(&fc->blocked_waitq); + wake_up_all(&fc->reserved_req_waitq); spin_unlock(&fc->lock); fput(file); } @@ -224,13 +224,13 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req) fc->blocked = 0; wake_up_all(&fc->blocked_waitq); } + if (fc->num_background == FUSE_CONGESTION_THRESHOLD) { + clear_bdi_congested(&fc->bdi, READ); + clear_bdi_congested(&fc->bdi, WRITE); + } fc->num_background--; } spin_unlock(&fc->lock); - dput(req->dentry); - mntput(req->vfsmount); - if (req->file) - fput(req->file); wake_up(&req->waitq); if (end) end(fc, req); @@ -273,28 +273,41 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) queue_interrupt(fc, req); } - if (req->force) { - spin_unlock(&fc->lock); - wait_event(req->waitq, req->state == FUSE_REQ_FINISHED); - spin_lock(&fc->lock); - } else { + if (!req->force) { sigset_t oldset; /* Only fatal signals may interrupt this */ block_sigs(&oldset); wait_answer_interruptible(fc, req); restore_sigs(&oldset); + + if (req->aborted) + goto aborted; + if (req->state == FUSE_REQ_FINISHED) + return; + + /* Request is not yet in userspace, bail out */ + if (req->state == FUSE_REQ_PENDING) { + list_del(&req->list); + __fuse_put_request(req); + req->out.h.error = -EINTR; + return; + } } - if (req->aborted) - goto aborted; - if (req->state == FUSE_REQ_FINISHED) - return; + /* + * Either request is already in userspace, or it was forced. + * Wait it out. + */ + spin_unlock(&fc->lock); + wait_event(req->waitq, req->state == FUSE_REQ_FINISHED); + spin_lock(&fc->lock); - req->out.h.error = -EINTR; - req->aborted = 1; + if (!req->aborted) + return; aborted: + BUG_ON(req->state != FUSE_REQ_FINISHED); if (req->locked) { /* This is uninterruptible sleep, because data is being copied to/from the buffers of req. During @@ -305,14 +318,6 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req) wait_event(req->waitq, !req->locked); spin_lock(&fc->lock); } - if (req->state == FUSE_REQ_PENDING) { - list_del(&req->list); - __fuse_put_request(req); - } else if (req->state == FUSE_REQ_SENT) { - spin_unlock(&fc->lock); - wait_event(req->waitq, req->state == FUSE_REQ_FINISHED); - spin_lock(&fc->lock); - } } static unsigned len_args(unsigned numargs, struct fuse_arg *args) @@ -378,6 +383,10 @@ static void request_send_nowait(struct fuse_conn *fc, struct fuse_req *req) fc->num_background++; if (fc->num_background == FUSE_MAX_BACKGROUND) fc->blocked = 1; + if (fc->num_background == FUSE_CONGESTION_THRESHOLD) { + set_bdi_congested(&fc->bdi, READ); + set_bdi_congested(&fc->bdi, WRITE); + } queue_request(fc, req); spin_unlock(&fc->lock); @@ -738,11 +747,12 @@ static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, fuse_copy_finish(&cs); spin_lock(&fc->lock); req->locked = 0; - if (!err && req->aborted) - err = -ENOENT; + if (req->aborted) { + request_end(fc, req); + return -ENODEV; + } if (err) { - if (!req->aborted) - req->out.h.error = -EIO; + req->out.h.error = -EIO; request_end(fc, req); return err; } diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index bd5a772d8cc..d1acab93133 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -288,12 +288,11 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, static void fuse_sync_release(struct fuse_conn *fc, struct fuse_file *ff, u64 nodeid, int flags) { - struct fuse_req *req; - - req = fuse_release_fill(ff, nodeid, flags, FUSE_RELEASE); - req->force = 1; - request_send(fc, req); - fuse_put_request(fc, req); + fuse_release_fill(ff, nodeid, flags, FUSE_RELEASE); + ff->reserved_req->force = 1; + request_send(fc, ff->reserved_req); + fuse_put_request(fc, ff->reserved_req); + kfree(ff); } /* @@ -664,7 +663,7 @@ static int fuse_link(struct dentry *entry, struct inode *newdir, return err; } -int fuse_do_getattr(struct inode *inode) +static int fuse_do_getattr(struct inode *inode) { int err; struct fuse_attr_out arg; @@ -696,6 +695,20 @@ int fuse_do_getattr(struct inode *inode) } /* + * Check if attributes are still valid, and if not send a GETATTR + * request to refresh them. + */ +static int fuse_refresh_attributes(struct inode *inode) +{ + struct fuse_inode *fi = get_fuse_inode(inode); + + if (fi->i_time < get_jiffies_64()) + return fuse_do_getattr(inode); + else + return 0; +} + +/* * Calling into a user-controlled filesystem gives the filesystem * daemon ptrace-like capabilities over the requester process. This * means, that the filesystem daemon is able to record the exact @@ -724,30 +737,6 @@ static int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task) return 0; } -/* - * Check whether the inode attributes are still valid - * - * If the attribute validity timeout has expired, then fetch the fresh - * attributes with a 'getattr' request - * - * I'm not sure why cached attributes are never returned for the root - * inode, this is probably being too cautious. - */ -static int fuse_revalidate(struct dentry *entry) -{ - struct inode *inode = entry->d_inode; - struct fuse_inode *fi = get_fuse_inode(inode); - struct fuse_conn *fc = get_fuse_conn(inode); - - if (!fuse_allow_task(fc, current)) - return -EACCES; - if (get_node_id(inode) != FUSE_ROOT_ID && - fi->i_time >= get_jiffies_64()) - return 0; - - return fuse_do_getattr(inode); -} - static int fuse_access(struct inode *inode, int mask) { struct fuse_conn *fc = get_fuse_conn(inode); @@ -795,16 +784,31 @@ static int fuse_access(struct inode *inode, int mask) static int fuse_permission(struct inode *inode, int mask, struct nameidata *nd) { struct fuse_conn *fc = get_fuse_conn(inode); + bool refreshed = false; + int err = 0; if (!fuse_allow_task(fc, current)) return -EACCES; - else if (fc->flags & FUSE_DEFAULT_PERMISSIONS) { + + /* + * If attributes are needed, refresh them before proceeding + */ + if ((fc->flags & FUSE_DEFAULT_PERMISSIONS) || + ((mask & MAY_EXEC) && S_ISREG(inode->i_mode))) { + err = fuse_refresh_attributes(inode); + if (err) + return err; + + refreshed = true; + } + + if (fc->flags & FUSE_DEFAULT_PERMISSIONS) { int err = generic_permission(inode, mask, NULL); /* If permission is denied, try to refresh file attributes. This is also needed, because the root node will at first have no permissions */ - if (err == -EACCES) { + if (err == -EACCES && !refreshed) { err = fuse_do_getattr(inode); if (!err) err = generic_permission(inode, mask, NULL); @@ -814,17 +818,19 @@ static int fuse_permission(struct inode *inode, int mask, struct nameidata *nd) exist. So if permissions are revoked this won't be noticed immediately, only after the attribute timeout has expired */ - - return err; - } else { - int mode = inode->i_mode; - if ((mask & MAY_EXEC) && !S_ISDIR(mode) && !(mode & S_IXUGO)) - return -EACCES; - - if (nd && (nd->flags & (LOOKUP_ACCESS | LOOKUP_CHDIR))) - return fuse_access(inode, mask); - return 0; + } else if (nd && (nd->flags & (LOOKUP_ACCESS | LOOKUP_CHDIR))) { + err = fuse_access(inode, mask); + } else if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode)) { + if (!(inode->i_mode & S_IXUGO)) { + if (refreshed) + return -EACCES; + + err = fuse_do_getattr(inode); + if (!err && !(inode->i_mode & S_IXUGO)) + return -EACCES; + } } + return err; } static int parse_dirfile(char *buf, size_t nbytes, struct file *file, @@ -859,6 +865,7 @@ static int fuse_readdir(struct file *file, void *dstbuf, filldir_t filldir) struct page *page; struct inode *inode = file->f_path.dentry->d_inode; struct fuse_conn *fc = get_fuse_conn(inode); + struct fuse_file *ff = file->private_data; struct fuse_req *req; if (is_bad_inode(inode)) @@ -875,7 +882,7 @@ static int fuse_readdir(struct file *file, void *dstbuf, filldir_t filldir) } req->num_pages = 1; req->pages[0] = page; - fuse_read_fill(req, file, inode, file->f_pos, PAGE_SIZE, FUSE_READDIR); + fuse_read_fill(req, ff, inode, file->f_pos, PAGE_SIZE, FUSE_READDIR); request_send(fc, req); nbytes = req->out.args[0].size; err = req->out.h.error; @@ -980,23 +987,6 @@ static void iattr_to_fattr(struct iattr *iattr, struct fuse_setattr_in *arg) } } -static void fuse_vmtruncate(struct inode *inode, loff_t offset) -{ - struct fuse_conn *fc = get_fuse_conn(inode); - int need_trunc; - - spin_lock(&fc->lock); - need_trunc = inode->i_size > offset; - i_size_write(inode, offset); - spin_unlock(&fc->lock); - - if (need_trunc) { - struct address_space *mapping = inode->i_mapping; - unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); - truncate_inode_pages(mapping, offset); - } -} - /* * Set attributes, and at the same time refresh them. * @@ -1014,7 +1004,6 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr) struct fuse_setattr_in inarg; struct fuse_attr_out outarg; int err; - int is_truncate = 0; if (fc->flags & FUSE_DEFAULT_PERMISSIONS) { err = inode_change_ok(inode, attr); @@ -1024,7 +1013,6 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr) if (attr->ia_valid & ATTR_SIZE) { unsigned long limit; - is_truncate = 1; if (IS_SWAPFILE(inode)) return -ETXTBSY; limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; @@ -1051,30 +1039,38 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr) request_send(fc, req); err = req->out.h.error; fuse_put_request(fc, req); - if (!err) { - if ((inode->i_mode ^ outarg.attr.mode) & S_IFMT) { - make_bad_inode(inode); - err = -EIO; - } else { - if (is_truncate) - fuse_vmtruncate(inode, outarg.attr.size); - fuse_change_attributes(inode, &outarg.attr); - fi->i_time = time_to_jiffies(outarg.attr_valid, - outarg.attr_valid_nsec); - } - } else if (err == -EINTR) - fuse_invalidate_attr(inode); + if (err) { + if (err == -EINTR) + fuse_invalidate_attr(inode); + return err; + } - return err; + if ((inode->i_mode ^ outarg.attr.mode) & S_IFMT) { + make_bad_inode(inode); + return -EIO; + } + + fuse_change_attributes(inode, &outarg.attr); + fi->i_time = time_to_jiffies(outarg.attr_valid, outarg.attr_valid_nsec); + return 0; } static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry, struct kstat *stat) { struct inode *inode = entry->d_inode; - int err = fuse_revalidate(entry); - if (!err) + struct fuse_inode *fi = get_fuse_inode(inode); + struct fuse_conn *fc = get_fuse_conn(inode); + int err; + + if (!fuse_allow_task(fc, current)) + return -EACCES; + + err = fuse_refresh_attributes(inode); + if (!err) { generic_fillattr(inode, stat); + stat->mode = fi->orig_i_mode; + } return err; } diff --git a/fs/fuse/file.c b/fs/fuse/file.c index f79de7c8cdf..c4b98c03a46 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -54,6 +54,7 @@ struct fuse_file *fuse_file_alloc(void) kfree(ff); ff = NULL; } + atomic_set(&ff->count, 0); } return ff; } @@ -64,15 +65,39 @@ void fuse_file_free(struct fuse_file *ff) kfree(ff); } +static struct fuse_file *fuse_file_get(struct fuse_file *ff) +{ + atomic_inc(&ff->count); + return ff; +} + +static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req) +{ + dput(req->dentry); + mntput(req->vfsmount); + fuse_put_request(fc, req); +} + +static void fuse_file_put(struct fuse_file *ff) +{ + if (atomic_dec_and_test(&ff->count)) { + struct fuse_req *req = ff->reserved_req; + struct fuse_conn *fc = get_fuse_conn(req->dentry->d_inode); + req->end = fuse_release_end; + request_send_background(fc, req); + kfree(ff); + } +} + void fuse_finish_open(struct inode *inode, struct file *file, struct fuse_file *ff, struct fuse_open_out *outarg) { if (outarg->open_flags & FOPEN_DIRECT_IO) file->f_op = &fuse_direct_io_file_operations; if (!(outarg->open_flags & FOPEN_KEEP_CACHE)) - invalidate_mapping_pages(inode->i_mapping, 0, -1); + invalidate_inode_pages2(inode->i_mapping); ff->fh = outarg->fh; - file->private_data = ff; + file->private_data = fuse_file_get(ff); } int fuse_open_common(struct inode *inode, struct file *file, int isdir) @@ -89,14 +114,6 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) if (err) return err; - /* If opening the root node, no lookup has been performed on - it, so the attributes must be refreshed */ - if (get_node_id(inode) == FUSE_ROOT_ID) { - err = fuse_do_getattr(inode); - if (err) - return err; - } - ff = fuse_file_alloc(); if (!ff) return -ENOMEM; @@ -113,8 +130,7 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) return err; } -struct fuse_req *fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, - int opcode) +void fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, int opcode) { struct fuse_req *req = ff->reserved_req; struct fuse_release_in *inarg = &req->misc.release_in; @@ -126,25 +142,24 @@ struct fuse_req *fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, req->in.numargs = 1; req->in.args[0].size = sizeof(struct fuse_release_in); req->in.args[0].value = inarg; - kfree(ff); - - return req; } int fuse_release_common(struct inode *inode, struct file *file, int isdir) { struct fuse_file *ff = file->private_data; if (ff) { - struct fuse_conn *fc = get_fuse_conn(inode); - struct fuse_req *req; - - req = fuse_release_fill(ff, get_node_id(inode), file->f_flags, - isdir ? FUSE_RELEASEDIR : FUSE_RELEASE); + fuse_release_fill(ff, get_node_id(inode), file->f_flags, + isdir ? FUSE_RELEASEDIR : FUSE_RELEASE); /* Hold vfsmount and dentry until release is finished */ - req->vfsmount = mntget(file->f_path.mnt); - req->dentry = dget(file->f_path.dentry); - request_send_background(fc, req); + ff->reserved_req->vfsmount = mntget(file->f_path.mnt); + ff->reserved_req->dentry = dget(file->f_path.dentry); + /* + * Normally this will send the RELEASE request, + * however if some asynchronous READ or WRITE requests + * are outstanding, the sending will be delayed + */ + fuse_file_put(ff); } /* Return value is ignored by VFS */ @@ -264,10 +279,9 @@ static int fuse_fsync(struct file *file, struct dentry *de, int datasync) return fuse_fsync_common(file, de, datasync, 0); } -void fuse_read_fill(struct fuse_req *req, struct file *file, +void fuse_read_fill(struct fuse_req *req, struct fuse_file *ff, struct inode *inode, loff_t pos, size_t count, int opcode) { - struct fuse_file *ff = file->private_data; struct fuse_read_in *inarg = &req->misc.read_in; inarg->fh = ff->fh; @@ -288,7 +302,8 @@ static size_t fuse_send_read(struct fuse_req *req, struct file *file, struct inode *inode, loff_t pos, size_t count) { struct fuse_conn *fc = get_fuse_conn(inode); - fuse_read_fill(req, file, inode, pos, count, FUSE_READ); + struct fuse_file *ff = file->private_data; + fuse_read_fill(req, ff, inode, pos, count, FUSE_READ); request_send(fc, req); return req->out.args[0].size; } @@ -337,20 +352,21 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req) SetPageError(page); unlock_page(page); } + if (req->ff) + fuse_file_put(req->ff); fuse_put_request(fc, req); } -static void fuse_send_readpages(struct fuse_req *req, struct file *file, +static void fuse_send_readpages(struct fuse_req *req, struct fuse_file *ff, struct inode *inode) { struct fuse_conn *fc = get_fuse_conn(inode); loff_t pos = page_offset(req->pages[0]); size_t count = req->num_pages << PAGE_CACHE_SHIFT; req->out.page_zeroing = 1; - fuse_read_fill(req, file, inode, pos, count, FUSE_READ); + fuse_read_fill(req, ff, inode, pos, count, FUSE_READ); if (fc->async_read) { - get_file(file); - req->file = file; + req->ff = fuse_file_get(ff); req->end = fuse_readpages_end; request_send_background(fc, req); } else { @@ -359,15 +375,15 @@ static void fuse_send_readpages(struct fuse_req *req, struct file *file, } } -struct fuse_readpages_data { +struct fuse_fill_data { struct fuse_req *req; - struct file *file; + struct fuse_file *ff; struct inode *inode; }; static int fuse_readpages_fill(void *_data, struct page *page) { - struct fuse_readpages_data *data = _data; + struct fuse_fill_data *data = _data; struct fuse_req *req = data->req; struct inode *inode = data->inode; struct fuse_conn *fc = get_fuse_conn(inode); @@ -376,7 +392,7 @@ static int fuse_readpages_fill(void *_data, struct page *page) (req->num_pages == FUSE_MAX_PAGES_PER_REQ || (req->num_pages + 1) * PAGE_CACHE_SIZE > fc->max_read || req->pages[req->num_pages - 1]->index + 1 != page->index)) { - fuse_send_readpages(req, data->file, inode); + fuse_send_readpages(req, data->ff, inode); data->req = req = fuse_get_req(fc); if (IS_ERR(req)) { unlock_page(page); @@ -393,14 +409,14 @@ static int fuse_readpages(struct file *file, struct address_space *mapping, { struct inode *inode = mapping->host; struct fuse_conn *fc = get_fuse_conn(inode); - struct fuse_readpages_data data; + struct fuse_fill_data data; int err; err = -EIO; if (is_bad_inode(inode)) goto out; - data.file = file; + data.ff = file->private_data; data.inode = inode; data.req = fuse_get_req(fc); err = PTR_ERR(data.req); @@ -410,7 +426,7 @@ static int fuse_readpages(struct file *file, struct address_space *mapping, err = read_cache_pages(mapping, pages, fuse_readpages_fill, &data); if (!err) { if (data.req->num_pages) - fuse_send_readpages(data.req, file, inode); + fuse_send_readpages(data.req, data.ff, inode); else fuse_put_request(fc, data.req); } @@ -444,22 +460,25 @@ static size_t fuse_send_write(struct fuse_req *req, struct file *file, return outarg.size; } -static int fuse_prepare_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int fuse_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - /* No op */ + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + + *pagep = __grab_cache_page(mapping, index); + if (!*pagep) + return -ENOMEM; return 0; } -static int fuse_commit_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int fuse_buffered_write(struct file *file, struct inode *inode, + loff_t pos, unsigned count, struct page *page) { int err; size_t nres; - unsigned count = to - offset; - struct inode *inode = page->mapping->host; struct fuse_conn *fc = get_fuse_conn(inode); - loff_t pos = page_offset(page) + offset; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); struct fuse_req *req; if (is_bad_inode(inode)) @@ -475,20 +494,35 @@ static int fuse_commit_write(struct file *file, struct page *page, nres = fuse_send_write(req, file, inode, pos, count); err = req->out.h.error; fuse_put_request(fc, req); - if (!err && nres != count) + if (!err && !nres) err = -EIO; if (!err) { - pos += count; + pos += nres; spin_lock(&fc->lock); if (pos > inode->i_size) i_size_write(inode, pos); spin_unlock(&fc->lock); - if (offset == 0 && to == PAGE_CACHE_SIZE) + if (count == PAGE_CACHE_SIZE) SetPageUptodate(page); } fuse_invalidate_attr(inode); - return err; + return err ? err : nres; +} + +static int fuse_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = mapping->host; + int res = 0; + + if (copied) + res = fuse_buffered_write(file, inode, pos, copied, page); + + unlock_page(page); + page_cache_release(page); + return res; } static void fuse_release_user_pages(struct fuse_req *req, int write) @@ -819,8 +853,8 @@ static const struct file_operations fuse_direct_io_file_operations = { static const struct address_space_operations fuse_file_aops = { .readpage = fuse_readpage, - .prepare_write = fuse_prepare_write, - .commit_write = fuse_commit_write, + .write_begin = fuse_write_begin, + .write_end = fuse_write_end, .readpages = fuse_readpages, .set_page_dirty = fuse_set_page_dirty, .bmap = fuse_bmap, diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 68ae87cbafa..1764506fdd1 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -20,7 +20,10 @@ #define FUSE_MAX_PAGES_PER_REQ 32 /** Maximum number of outstanding background requests */ -#define FUSE_MAX_BACKGROUND 10 +#define FUSE_MAX_BACKGROUND 12 + +/** Congestion starts at 75% of maximum */ +#define FUSE_CONGESTION_THRESHOLD (FUSE_MAX_BACKGROUND * 75 / 100) /** It could be as large as PATH_MAX, but would that have any uses? */ #define FUSE_NAME_MAX 1024 @@ -60,6 +63,10 @@ struct fuse_inode { /** Time in jiffies until the file attributes are valid */ u64 i_time; + + /** The sticky bit in inode->i_mode may have been removed, so + preserve the original mode */ + mode_t orig_i_mode; }; /** FUSE specific file data */ @@ -69,6 +76,9 @@ struct fuse_file { /** File handle used by userspace */ u64 fh; + + /** Refcount */ + atomic_t count; }; /** One input argument of a request */ @@ -213,7 +223,7 @@ struct fuse_req { unsigned page_offset; /** File used in the request (or NULL) */ - struct file *file; + struct fuse_file *ff; /** vfsmount used in release */ struct vfsmount *vfsmount; @@ -286,6 +296,9 @@ struct fuse_conn { /** waitq for blocked connection */ wait_queue_head_t blocked_waitq; + /** waitq for reserved requests */ + wait_queue_head_t reserved_req_waitq; + /** The next unique request id */ u64 reqctr; @@ -414,7 +427,7 @@ void fuse_send_forget(struct fuse_conn *fc, struct fuse_req *req, /** * Initialize READ or READDIR request */ -void fuse_read_fill(struct fuse_req *req, struct file *file, +void fuse_read_fill(struct fuse_req *req, struct fuse_file *ff, struct inode *inode, loff_t pos, size_t count, int opcode); /** @@ -427,9 +440,9 @@ void fuse_file_free(struct fuse_file *ff); void fuse_finish_open(struct inode *inode, struct file *file, struct fuse_file *ff, struct fuse_open_out *outarg); -/** */ -struct fuse_req *fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, - int opcode); +/** Fill in ff->reserved_req with a RELEASE request */ +void fuse_release_fill(struct fuse_file *ff, u64 nodeid, int flags, int opcode); + /** * Send RELEASE or RELEASEDIR request */ @@ -524,11 +537,6 @@ void request_send_background(struct fuse_conn *fc, struct fuse_req *req); void fuse_abort_conn(struct fuse_conn *fc); /** - * Get the attributes of a file - */ -int fuse_do_getattr(struct inode *inode); - -/** * Invalidate inode attributes */ void fuse_invalidate_attr(struct inode *inode); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 5448f625ab5..fd0735715c1 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -109,20 +109,25 @@ static int fuse_remount_fs(struct super_block *sb, int *flags, char *data) return 0; } +static void fuse_truncate(struct address_space *mapping, loff_t offset) +{ + /* See vmtruncate() */ + unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); + truncate_inode_pages(mapping, offset); + unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); +} + void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr) { struct fuse_conn *fc = get_fuse_conn(inode); - if (S_ISREG(inode->i_mode) && i_size_read(inode) != attr->size) - invalidate_mapping_pages(inode->i_mapping, 0, -1); + struct fuse_inode *fi = get_fuse_inode(inode); + loff_t oldsize; inode->i_ino = attr->ino; - inode->i_mode = (inode->i_mode & S_IFMT) + (attr->mode & 07777); + inode->i_mode = (inode->i_mode & S_IFMT) | (attr->mode & 07777); inode->i_nlink = attr->nlink; inode->i_uid = attr->uid; inode->i_gid = attr->gid; - spin_lock(&fc->lock); - i_size_write(inode, attr->size); - spin_unlock(&fc->lock); inode->i_blocks = attr->blocks; inode->i_atime.tv_sec = attr->atime; inode->i_atime.tv_nsec = attr->atimensec; @@ -130,6 +135,26 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr) inode->i_mtime.tv_nsec = attr->mtimensec; inode->i_ctime.tv_sec = attr->ctime; inode->i_ctime.tv_nsec = attr->ctimensec; + + /* + * Don't set the sticky bit in i_mode, unless we want the VFS + * to check permissions. This prevents failures due to the + * check in may_delete(). + */ + fi->orig_i_mode = inode->i_mode; + if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS)) + inode->i_mode &= ~S_ISVTX; + + spin_lock(&fc->lock); + oldsize = inode->i_size; + i_size_write(inode, attr->size); + spin_unlock(&fc->lock); + + if (S_ISREG(inode->i_mode) && oldsize != attr->size) { + if (attr->size < oldsize) + fuse_truncate(inode->i_mapping, attr->size); + invalidate_inode_pages2(inode->i_mapping); + } } static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr) @@ -232,6 +257,7 @@ static void fuse_put_super(struct super_block *sb) kill_fasync(&fc->fasync, SIGIO, POLL_IN); wake_up_all(&fc->waitq); wake_up_all(&fc->blocked_waitq); + wake_up_all(&fc->reserved_req_waitq); mutex_lock(&fuse_mutex); list_del(&fc->entry); fuse_ctl_remove_conn(fc); @@ -401,6 +427,7 @@ static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt) static struct fuse_conn *new_conn(void) { struct fuse_conn *fc; + int err; fc = kzalloc(sizeof(*fc), GFP_KERNEL); if (fc) { @@ -409,6 +436,7 @@ static struct fuse_conn *new_conn(void) atomic_set(&fc->count, 1); init_waitqueue_head(&fc->waitq); init_waitqueue_head(&fc->blocked_waitq); + init_waitqueue_head(&fc->reserved_req_waitq); INIT_LIST_HEAD(&fc->pending); INIT_LIST_HEAD(&fc->processing); INIT_LIST_HEAD(&fc->io); @@ -416,10 +444,17 @@ static struct fuse_conn *new_conn(void) atomic_set(&fc->num_waiting, 0); fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE; fc->bdi.unplug_io_fn = default_unplug_io_fn; + err = bdi_init(&fc->bdi); + if (err) { + kfree(fc); + fc = NULL; + goto out; + } fc->reqctr = 0; fc->blocked = 1; get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key)); } +out: return fc; } @@ -429,6 +464,7 @@ void fuse_conn_put(struct fuse_conn *fc) if (fc->destroy_req) fuse_request_free(fc->destroy_req); mutex_destroy(&fc->inst_mutex); + bdi_destroy(&fc->bdi); kfree(fc); } } @@ -446,6 +482,7 @@ static struct inode *get_root_inode(struct super_block *sb, unsigned mode) attr.mode = mode; attr.ino = FUSE_ROOT_ID; + attr.nlink = 1; return fuse_iget(sb, 1, 0, &attr); } @@ -683,8 +720,7 @@ static inline void unregister_fuseblk(void) static decl_subsys(fuse, NULL, NULL); static decl_subsys(connections, NULL, NULL); -static void fuse_inode_init_once(void *foo, struct kmem_cache *cachep, - unsigned long flags) +static void fuse_inode_init_once(struct kmem_cache *cachep, void *foo) { struct inode * inode = foo; diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 79c91fd8381..7ecfe0d3a49 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -24,7 +24,7 @@ #include "util.h" #include "glock.h" -static void gfs2_init_inode_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void gfs2_init_inode_once(struct kmem_cache *cachep, void *foo) { struct gfs2_inode *ip = foo; @@ -34,7 +34,7 @@ static void gfs2_init_inode_once(void *foo, struct kmem_cache *cachep, unsigned memset(ip->i_cache, 0, sizeof(ip->i_cache)); } -static void gfs2_init_glock_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void gfs2_init_glock_once(struct kmem_cache *cachep, void *foo) { struct gfs2_glock *gl = foo; diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 873a511ef2b..9679f8b9870 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -17,6 +17,7 @@ #include <linux/mpage.h> #include <linux/fs.h> #include <linux/writeback.h> +#include <linux/swap.h> #include <linux/gfs2_ondisk.h> #include <linux/lm_interface.h> @@ -349,45 +350,49 @@ out_unlock: } /** - * gfs2_prepare_write - Prepare to write a page to a file + * gfs2_write_begin - Begin to write to a file * @file: The file to write to - * @page: The page which is to be prepared for writing - * @from: From (byte range within page) - * @to: To (byte range within page) + * @mapping: The mapping in which to write + * @pos: The file offset at which to start writing + * @len: Length of the write + * @flags: Various flags + * @pagep: Pointer to return the page + * @fsdata: Pointer to return fs data (unused by GFS2) * * Returns: errno */ -static int gfs2_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int gfs2_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct gfs2_inode *ip = GFS2_I(page->mapping->host); - struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host); + struct gfs2_inode *ip = GFS2_I(mapping->host); + struct gfs2_sbd *sdp = GFS2_SB(mapping->host); unsigned int data_blocks, ind_blocks, rblocks; int alloc_required; int error = 0; - loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + from; - loff_t end = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; struct gfs2_alloc *al; - unsigned int write_len = to - from; + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + unsigned from = pos & (PAGE_CACHE_SIZE - 1); + unsigned to = from + len; + struct page *page; - - gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|LM_FLAG_TRY_1CB, &ip->i_gh); + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME, &ip->i_gh); error = gfs2_glock_nq_atime(&ip->i_gh); - if (unlikely(error)) { - if (error == GLR_TRYFAILED) { - unlock_page(page); - error = AOP_TRUNCATED_PAGE; - yield(); - } + if (unlikely(error)) goto out_uninit; - } - gfs2_write_calc_reserv(ip, write_len, &data_blocks, &ind_blocks); + error = -ENOMEM; + page = __grab_cache_page(mapping, index); + *pagep = page; + if (!page) + goto out_unlock; + + gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); - error = gfs2_write_alloc_required(ip, pos, write_len, &alloc_required); + error = gfs2_write_alloc_required(ip, pos, len, &alloc_required); if (error) - goto out_unlock; + goto out_putpage; ip->i_alloc.al_requested = 0; @@ -420,7 +425,7 @@ static int gfs2_prepare_write(struct file *file, struct page *page, goto out_trans_fail; if (gfs2_is_stuffed(ip)) { - if (end > sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)) { + if (pos + len > sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)) { error = gfs2_unstuff_dinode(ip, page); if (error == 0) goto prepare_write; @@ -443,6 +448,10 @@ out_qunlock: out_alloc_put: gfs2_alloc_put(ip); } +out_putpage: + page_cache_release(page); + if (pos + len > ip->i_inode.i_size) + vmtruncate(&ip->i_inode, ip->i_inode.i_size); out_unlock: gfs2_glock_dq_m(1, &ip->i_gh); out_uninit: @@ -478,65 +487,117 @@ static void adjust_fs_space(struct inode *inode) } /** - * gfs2_commit_write - Commit write to a file + * gfs2_stuffed_write_end - Write end for stuffed files + * @inode: The inode + * @dibh: The buffer_head containing the on-disk inode + * @pos: The file position + * @len: The length of the write + * @copied: How much was actually copied by the VFS + * @page: The page + * + * This copies the data from the page into the inode block after + * the inode data structure itself. + * + * Returns: errno + */ +static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh, + loff_t pos, unsigned len, unsigned copied, + struct page *page) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_sbd *sdp = GFS2_SB(inode); + u64 to = pos + copied; + void *kaddr; + unsigned char *buf = dibh->b_data + sizeof(struct gfs2_dinode); + struct gfs2_dinode *di = (struct gfs2_dinode *)dibh->b_data; + + BUG_ON((pos + len) > (dibh->b_size - sizeof(struct gfs2_dinode))); + kaddr = kmap_atomic(page, KM_USER0); + memcpy(buf + pos, kaddr + pos, copied); + memset(kaddr + pos + copied, 0, len - copied); + flush_dcache_page(page); + kunmap_atomic(kaddr, KM_USER0); + + if (!PageUptodate(page)) + SetPageUptodate(page); + unlock_page(page); + page_cache_release(page); + + if (inode->i_size < to) { + i_size_write(inode, to); + ip->i_di.di_size = inode->i_size; + di->di_size = cpu_to_be64(inode->i_size); + mark_inode_dirty(inode); + } + + if (inode == sdp->sd_rindex) + adjust_fs_space(inode); + + brelse(dibh); + gfs2_trans_end(sdp); + gfs2_glock_dq(&ip->i_gh); + gfs2_holder_uninit(&ip->i_gh); + return copied; +} + +/** + * gfs2_write_end * @file: The file to write to - * @page: The page containing the data - * @from: From (byte range within page) - * @to: To (byte range within page) + * @mapping: The address space to write to + * @pos: The file position + * @len: The length of the data + * @copied: + * @page: The page that has been written + * @fsdata: The fsdata (unused in GFS2) + * + * The main write_end function for GFS2. We have a separate one for + * stuffed files as they are slightly different, otherwise we just + * put our locking around the VFS provided functions. * * Returns: errno */ -static int gfs2_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int gfs2_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { struct inode *inode = page->mapping->host; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); - int error = -EOPNOTSUPP; struct buffer_head *dibh; struct gfs2_alloc *al = &ip->i_alloc; struct gfs2_dinode *di; + unsigned int from = pos & (PAGE_CACHE_SIZE - 1); + unsigned int to = from + len; + int ret; - if (gfs2_assert_withdraw(sdp, gfs2_glock_is_locked_by_me(ip->i_gl))) - goto fail_nounlock; + BUG_ON(gfs2_glock_is_locked_by_me(ip->i_gl) == 0); - error = gfs2_meta_inode_buffer(ip, &dibh); - if (error) - goto fail_endtrans; + ret = gfs2_meta_inode_buffer(ip, &dibh); + if (unlikely(ret)) { + unlock_page(page); + page_cache_release(page); + goto failed; + } gfs2_trans_add_bh(ip->i_gl, dibh, 1); - di = (struct gfs2_dinode *)dibh->b_data; - - if (gfs2_is_stuffed(ip)) { - u64 file_size; - void *kaddr; - file_size = ((u64)page->index << PAGE_CACHE_SHIFT) + to; + if (gfs2_is_stuffed(ip)) + return gfs2_stuffed_write_end(inode, dibh, pos, len, copied, page); - kaddr = kmap_atomic(page, KM_USER0); - memcpy(dibh->b_data + sizeof(struct gfs2_dinode) + from, - kaddr + from, to - from); - kunmap_atomic(kaddr, KM_USER0); + if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip)) + gfs2_page_add_databufs(ip, page, from, to); - SetPageUptodate(page); + ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); - if (inode->i_size < file_size) { - i_size_write(inode, file_size); + if (likely(ret >= 0)) { + copied = ret; + if ((pos + copied) > inode->i_size) { + di = (struct gfs2_dinode *)dibh->b_data; + ip->i_di.di_size = inode->i_size; + di->di_size = cpu_to_be64(inode->i_size); mark_inode_dirty(inode); } - } else { - if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || - gfs2_is_jdata(ip)) - gfs2_page_add_databufs(ip, page, from, to); - error = generic_commit_write(file, page, from, to); - if (error) - goto fail; - } - - if (ip->i_di.di_size < inode->i_size) { - ip->i_di.di_size = inode->i_size; - di->di_size = cpu_to_be64(inode->i_size); } if (inode == sdp->sd_rindex) @@ -544,33 +605,15 @@ static int gfs2_commit_write(struct file *file, struct page *page, brelse(dibh); gfs2_trans_end(sdp); +failed: if (al->al_requested) { gfs2_inplace_release(ip); gfs2_quota_unlock(ip); gfs2_alloc_put(ip); } - unlock_page(page); - gfs2_glock_dq_m(1, &ip->i_gh); - lock_page(page); + gfs2_glock_dq(&ip->i_gh); gfs2_holder_uninit(&ip->i_gh); - return 0; - -fail: - brelse(dibh); -fail_endtrans: - gfs2_trans_end(sdp); - if (al->al_requested) { - gfs2_inplace_release(ip); - gfs2_quota_unlock(ip); - gfs2_alloc_put(ip); - } - unlock_page(page); - gfs2_glock_dq_m(1, &ip->i_gh); - lock_page(page); - gfs2_holder_uninit(&ip->i_gh); -fail_nounlock: - ClearPageUptodate(page); - return error; + return ret; } /** @@ -799,8 +842,8 @@ const struct address_space_operations gfs2_file_aops = { .readpage = gfs2_readpage, .readpages = gfs2_readpages, .sync_page = block_sync_page, - .prepare_write = gfs2_prepare_write, - .commit_write = gfs2_commit_write, + .write_begin = gfs2_write_begin, + .write_end = gfs2_write_end, .set_page_dirty = gfs2_set_page_dirty, .bmap = gfs2_bmap, .invalidatepage = gfs2_invalidatepage, diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 7eb4b280ac6..bb11fd6752d 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -406,7 +406,7 @@ static int gfs2_open(struct inode *inode, struct file *file) if (!(file->f_flags & O_LARGEFILE) && ip->i_di.di_size > MAX_NON_LFS) { - error = -EFBIG; + error = -EOVERFLOW; goto fail_gunlock; } diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c index 5ea6b3d45ea..c176f67ba0a 100644 --- a/fs/hfs/extent.c +++ b/fs/hfs/extent.c @@ -464,23 +464,20 @@ void hfs_file_truncate(struct inode *inode) (long long)HFS_I(inode)->phys_size, inode->i_size); if (inode->i_size > HFS_I(inode)->phys_size) { struct address_space *mapping = inode->i_mapping; + void *fsdata; struct page *page; int res; + /* XXX: Can use generic_cont_expand? */ size = inode->i_size - 1; - page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT); - if (!page) - return; - size &= PAGE_CACHE_SIZE - 1; - size++; - res = mapping->a_ops->prepare_write(NULL, page, size, size); - if (!res) - res = mapping->a_ops->commit_write(NULL, page, size, size); + res = pagecache_write_begin(NULL, mapping, size+1, 0, + AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata); + if (!res) { + res = pagecache_write_end(NULL, mapping, size+1, 0, 0, + page, fsdata); + } if (res) inode->i_size = HFS_I(inode)->phys_size; - unlock_page(page); - page_cache_release(page); - mark_inode_dirty(inode); return; } else if (inode->i_size == HFS_I(inode)->phys_size) return; diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index bc835f272a6..97f8446c4ff 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -35,10 +35,14 @@ static int hfs_readpage(struct file *file, struct page *page) return block_read_full_page(page, hfs_get_block); } -static int hfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int hfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page, from, to, hfs_get_block, - &HFS_I(page->mapping->host)->phys_size); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + hfs_get_block, + &HFS_I(mapping->host)->phys_size); } static sector_t hfs_bmap(struct address_space *mapping, sector_t block) @@ -119,8 +123,8 @@ const struct address_space_operations hfs_btree_aops = { .readpage = hfs_readpage, .writepage = hfs_writepage, .sync_page = block_sync_page, - .prepare_write = hfs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = hfs_write_begin, + .write_end = generic_write_end, .bmap = hfs_bmap, .releasepage = hfs_releasepage, }; @@ -129,8 +133,8 @@ const struct address_space_operations hfs_aops = { .readpage = hfs_readpage, .writepage = hfs_writepage, .sync_page = block_sync_page, - .prepare_write = hfs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = hfs_write_begin, + .write_end = generic_write_end, .bmap = hfs_bmap, .direct_IO = hfs_direct_IO, .writepages = hfs_writepages, diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 6c5f92dfb50..16cbd902f8b 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -430,7 +430,7 @@ static struct file_system_type hfs_fs_type = { .fs_flags = FS_REQUIRES_DEV, }; -static void hfs_init_once(void *p, struct kmem_cache *cachep, unsigned long flags) +static void hfs_init_once(struct kmem_cache *cachep, void *p) { struct hfs_inode_info *i = p; diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 1a7480089e8..12e899cd788 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -443,21 +443,18 @@ void hfsplus_file_truncate(struct inode *inode) if (inode->i_size > HFSPLUS_I(inode).phys_size) { struct address_space *mapping = inode->i_mapping; struct page *page; - u32 size = inode->i_size - 1; + void *fsdata; + u32 size = inode->i_size; int res; - page = grab_cache_page(mapping, size >> PAGE_CACHE_SHIFT); - if (!page) - return; - size &= PAGE_CACHE_SIZE - 1; - size++; - res = mapping->a_ops->prepare_write(NULL, page, size, size); - if (!res) - res = mapping->a_ops->commit_write(NULL, page, size, size); + res = pagecache_write_begin(NULL, mapping, size, 0, + AOP_FLAG_UNINTERRUPTIBLE, + &page, &fsdata); if (res) - inode->i_size = HFSPLUS_I(inode).phys_size; - unlock_page(page); - page_cache_release(page); + return; + res = pagecache_write_end(NULL, mapping, size, 0, 0, page, fsdata); + if (res < 0) + return; mark_inode_dirty(inode); return; } else if (inode->i_size == HFSPLUS_I(inode).phys_size) diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 6f7c662174d..37744cf3706 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -27,10 +27,14 @@ static int hfsplus_writepage(struct page *page, struct writeback_control *wbc) return block_write_full_page(page, hfsplus_get_block, wbc); } -static int hfsplus_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) +static int hfsplus_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page, from, to, hfsplus_get_block, - &HFSPLUS_I(page->mapping->host).phys_size); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + hfsplus_get_block, + &HFSPLUS_I(mapping->host).phys_size); } static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block) @@ -114,8 +118,8 @@ const struct address_space_operations hfsplus_btree_aops = { .readpage = hfsplus_readpage, .writepage = hfsplus_writepage, .sync_page = block_sync_page, - .prepare_write = hfsplus_prepare_write, - .commit_write = generic_commit_write, + .write_begin = hfsplus_write_begin, + .write_end = generic_write_end, .bmap = hfsplus_bmap, .releasepage = hfsplus_releasepage, }; @@ -124,8 +128,8 @@ const struct address_space_operations hfsplus_aops = { .readpage = hfsplus_readpage, .writepage = hfsplus_writepage, .sync_page = block_sync_page, - .prepare_write = hfsplus_prepare_write, - .commit_write = generic_commit_write, + .write_begin = hfsplus_write_begin, + .write_end = generic_write_end, .bmap = hfsplus_bmap, .direct_IO = hfsplus_direct_IO, .writepages = hfsplus_writepages, diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 7b0f2e5a44e..ecf70dafb64 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -466,7 +466,7 @@ static struct file_system_type hfsplus_fs_type = { .fs_flags = FS_REQUIRES_DEV, }; -static void hfsplus_init_once(void *p, struct kmem_cache *cachep, unsigned long flags) +static void hfsplus_init_once(struct kmem_cache *cachep, void *p) { struct hfsplus_inode_info *i = p; diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index 06e5930515f..6ae9011b95e 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -3,7 +3,8 @@ #include "os.h" -/* These are exactly the same definitions as in fs.h, but the names are +/* + * These are exactly the same definitions as in fs.h, but the names are * changed so that this file can be included in both kernel and user files. */ @@ -21,7 +22,8 @@ #define HOSTFS_ATTR_FORCE 512 /* Not a change, but a change it */ #define HOSTFS_ATTR_ATTR_FLAG 1024 -/* If you are very careful, you'll notice that these two are missing: +/* + * If you are very careful, you'll notice that these two are missing: * * #define ATTR_KILL_SUID 2048 * #define ATTR_KILL_SGID 4096 @@ -76,7 +78,8 @@ extern int make_symlink(const char *from, const char *to); extern int unlink_file(const char *file); extern int do_mkdir(const char *file, int mode); extern int do_rmdir(const char *file); -extern int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor); +extern int do_mknod(const char *file, int mode, unsigned int major, + unsigned int minor); extern int link_file(const char *from, const char *to); extern int do_readlink(char *file, char *buf, int size); extern int rename_file(char *from, char *to); diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index c77862032e8..8966b050196 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -6,21 +6,14 @@ * 2003-02-10 Petr Baudis <pasky@ucw.cz> */ -#include <linux/stddef.h> #include <linux/fs.h> #include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> +#include <linux/mm.h> #include <linux/pagemap.h> -#include <linux/blkdev.h> -#include <linux/list.h> #include <linux/statfs.h> -#include <linux/kdev_t.h> -#include <asm/uaccess.h> #include "hostfs.h" -#include "kern_util.h" -#include "kern.h" #include "init.h" +#include "kern.h" struct hostfs_inode_info { char *host_filename; @@ -61,18 +54,18 @@ static int __init hostfs_args(char *options, int *add) char *ptr; ptr = strchr(options, ','); - if(ptr != NULL) + if (ptr != NULL) *ptr++ = '\0'; - if(*options != '\0') + if (*options != '\0') root_ino = options; options = ptr; - while(options){ + while (options) { ptr = strchr(options, ','); - if(ptr != NULL) + if (ptr != NULL) *ptr++ = '\0'; - if(*options != '\0'){ - if(!strcmp(options, "append")) + if (*options != '\0') { + if (!strcmp(options, "append")) append = 1; else printf("hostfs_args - unsupported option - %s\n", options); @@ -102,7 +95,7 @@ static char *dentry_name(struct dentry *dentry, int extra) len = 0; parent = dentry; - while(parent->d_parent != parent){ + while (parent->d_parent != parent) { len += parent->d_name.len + 1; parent = parent->d_parent; } @@ -110,12 +103,12 @@ static char *dentry_name(struct dentry *dentry, int extra) root = HOSTFS_I(parent->d_inode)->host_filename; len += strlen(root); name = kmalloc(len + extra + 1, GFP_KERNEL); - if(name == NULL) + if (name == NULL) return NULL; name[len] = '\0'; parent = dentry; - while(parent->d_parent != parent){ + while (parent->d_parent != parent) { len -= parent->d_name.len + 1; name[len] = '/'; strncpy(&name[len + 1], parent->d_name.name, @@ -136,7 +129,8 @@ static char *inode_name(struct inode *ino, int extra) static int read_name(struct inode *ino, char *name) { - /* The non-int inode fields are copied into ints by stat_file and + /* + * The non-int inode fields are copied into ints by stat_file and * then copied into the inode because passing the actual pointers * in and having them treated as int * breaks on big-endian machines */ @@ -149,7 +143,7 @@ static int read_name(struct inode *ino, char *name) err = stat_file(name, &i_ino, &i_mode, &i_nlink, &ino->i_uid, &ino->i_gid, &i_size, &ino->i_atime, &ino->i_mtime, &ino->i_ctime, &i_blksize, &i_blocks, -1); - if(err) + if (err) return err; ino->i_ino = i_ino; @@ -166,33 +160,33 @@ static char *follow_link(char *link) char *name, *resolved, *end; len = 64; - while(1){ + while (1) { n = -ENOMEM; name = kmalloc(len, GFP_KERNEL); - if(name == NULL) + if (name == NULL) goto out; n = do_readlink(link, name, len); - if(n < len) + if (n < len) break; len *= 2; kfree(name); } - if(n < 0) + if (n < 0) goto out_free; - if(*name == '/') + if (*name == '/') return name; end = strrchr(link, '/'); - if(end == NULL) + if (end == NULL) return name; *(end + 1) = '\0'; len = strlen(link) + strlen(name) + 1; resolved = kmalloc(len, GFP_KERNEL); - if(resolved == NULL){ + if (resolved == NULL) { n = -ENOMEM; goto out_free; } @@ -213,20 +207,21 @@ static int read_inode(struct inode *ino) char *name; int err = 0; - /* Unfortunately, we are called from iget() when we don't have a dentry + /* + * Unfortunately, we are called from iget() when we don't have a dentry * allocated yet. */ - if(list_empty(&ino->i_dentry)) + if (list_empty(&ino->i_dentry)) goto out; err = -ENOMEM; name = inode_name(ino, 0); - if(name == NULL) + if (name == NULL) goto out; - if(file_type(name, NULL, NULL) == OS_TYPE_SYMLINK){ + if (file_type(name, NULL, NULL) == OS_TYPE_SYMLINK) { name = follow_link(name); - if(IS_ERR(name)){ + if (IS_ERR(name)) { err = PTR_ERR(name); goto out; } @@ -240,7 +235,8 @@ static int read_inode(struct inode *ino) int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) { - /* do_statfs uses struct statfs64 internally, but the linux kernel + /* + * do_statfs uses struct statfs64 internally, but the linux kernel * struct statfs still has 32-bit versions for most of these fields, * so we convert them here */ @@ -255,7 +251,7 @@ int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) &sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files, &f_ffree, &sf->f_fsid, sizeof(sf->f_fsid), &sf->f_namelen, sf->f_spare); - if(err) + if (err) return err; sf->f_blocks = f_blocks; sf->f_bfree = f_bfree; @@ -271,7 +267,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) struct hostfs_inode_info *hi; hi = kmalloc(sizeof(*hi), GFP_KERNEL); - if(hi == NULL) + if (hi == NULL) return NULL; *hi = ((struct hostfs_inode_info) { .host_filename = NULL, @@ -284,7 +280,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) static void hostfs_delete_inode(struct inode *inode) { truncate_inode_pages(&inode->i_data, 0); - if(HOSTFS_I(inode)->fd != -1) { + if (HOSTFS_I(inode)->fd != -1) { close_file(&HOSTFS_I(inode)->fd); HOSTFS_I(inode)->fd = -1; } @@ -295,9 +291,11 @@ static void hostfs_destroy_inode(struct inode *inode) { kfree(HOSTFS_I(inode)->host_filename); - /*XXX: This should not happen, probably. The check is here for - * additional safety.*/ - if(HOSTFS_I(inode)->fd != -1) { + /* + * XXX: This should not happen, probably. The check is here for + * additional safety. + */ + if (HOSTFS_I(inode)->fd != -1) { close_file(&HOSTFS_I(inode)->fd); printk(KERN_DEBUG "Closing host fd in .destroy_inode\n"); } @@ -327,17 +325,17 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) int error, len; name = dentry_name(file->f_path.dentry, 0); - if(name == NULL) + if (name == NULL) return -ENOMEM; dir = open_dir(name, &error); kfree(name); - if(dir == NULL) + if (dir == NULL) return -error; next = file->f_pos; - while((name = read_dir(dir, &next, &ino, &len)) != NULL){ + while ((name = read_dir(dir, &next, &ino, &len)) != NULL) { error = (*filldir)(ent, name, len, file->f_pos, ino, DT_UNKNOWN); - if(error) break; + if (error) break; file->f_pos = next; } close_dir(dir); @@ -350,32 +348,33 @@ int hostfs_file_open(struct inode *ino, struct file *file) int mode = 0, r = 0, w = 0, fd; mode = file->f_mode & (FMODE_READ | FMODE_WRITE); - if((mode & HOSTFS_I(ino)->mode) == mode) + if ((mode & HOSTFS_I(ino)->mode) == mode) return 0; - /* The file may already have been opened, but with the wrong access, + /* + * The file may already have been opened, but with the wrong access, * so this resets things and reopens the file with the new access. */ - if(HOSTFS_I(ino)->fd != -1){ + if (HOSTFS_I(ino)->fd != -1) { close_file(&HOSTFS_I(ino)->fd); HOSTFS_I(ino)->fd = -1; } HOSTFS_I(ino)->mode |= mode; - if(HOSTFS_I(ino)->mode & FMODE_READ) + if (HOSTFS_I(ino)->mode & FMODE_READ) r = 1; - if(HOSTFS_I(ino)->mode & FMODE_WRITE) + if (HOSTFS_I(ino)->mode & FMODE_WRITE) w = 1; - if(w) + if (w) r = 1; name = dentry_name(file->f_path.dentry, 0); - if(name == NULL) + if (name == NULL) return -ENOMEM; fd = open_file(name, r, w, append); kfree(name); - if(fd < 0) + if (fd < 0) return fd; FILE_HOSTFS_I(file)->fd = fd; @@ -423,7 +422,7 @@ int hostfs_writepage(struct page *page, struct writeback_control *wbc) base = ((unsigned long long) page->index) << PAGE_CACHE_SHIFT; err = write_file(HOSTFS_I(inode)->fd, &base, buffer, count); - if(err != count){ + if (err != count) { ClearPageUptodate(page); goto out; } @@ -452,7 +451,8 @@ int hostfs_readpage(struct file *file, struct page *page) buffer = kmap(page); err = read_file(FILE_HOSTFS_I(file)->fd, &start, buffer, PAGE_CACHE_SIZE); - if(err < 0) goto out; + if (err < 0) + goto out; memset(&buffer[err], 0, PAGE_CACHE_SIZE - err); @@ -466,56 +466,43 @@ int hostfs_readpage(struct file *file, struct page *page) return err; } -int hostfs_prepare_write(struct file *file, struct page *page, - unsigned int from, unsigned int to) +int hostfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - char *buffer; - long long start, tmp; - int err; + pgoff_t index = pos >> PAGE_CACHE_SHIFT; - start = (long long) page->index << PAGE_CACHE_SHIFT; - buffer = kmap(page); - if(from != 0){ - tmp = start; - err = read_file(FILE_HOSTFS_I(file)->fd, &tmp, buffer, - from); - if(err < 0) goto out; - } - if(to != PAGE_CACHE_SIZE){ - start += to; - err = read_file(FILE_HOSTFS_I(file)->fd, &start, buffer + to, - PAGE_CACHE_SIZE - to); - if(err < 0) goto out; - } - err = 0; - out: - kunmap(page); - return err; + *pagep = __grab_cache_page(mapping, index); + if (!*pagep) + return -ENOMEM; + return 0; } -int hostfs_commit_write(struct file *file, struct page *page, unsigned from, - unsigned to) +int hostfs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - struct address_space *mapping = page->mapping; struct inode *inode = mapping->host; - char *buffer; - long long start; - int err = 0; + void *buffer; + unsigned from = pos & (PAGE_CACHE_SIZE - 1); + int err; - start = (((long long) page->index) << PAGE_CACHE_SHIFT) + from; buffer = kmap(page); - err = write_file(FILE_HOSTFS_I(file)->fd, &start, buffer + from, - to - from); - if(err > 0) err = 0; + err = write_file(FILE_HOSTFS_I(file)->fd, &pos, buffer + from, copied); + kunmap(page); - /* Actually, if !err, write_file has added to-from to start, so, despite - * the appearance, we are comparing i_size against the _last_ written - * location, as we should. */ + if (!PageUptodate(page) && err == PAGE_CACHE_SIZE) + SetPageUptodate(page); - if(!err && (start > inode->i_size)) - inode->i_size = start; + /* + * If err > 0, write_file has added err to pos, so we are comparing + * i_size against the last byte written. + */ + if (err > 0 && (pos > inode->i_size)) + inode->i_size = pos; + unlock_page(page); + page_cache_release(page); - kunmap(page); return err; } @@ -523,8 +510,8 @@ static const struct address_space_operations hostfs_aops = { .writepage = hostfs_writepage, .readpage = hostfs_readpage, .set_page_dirty = __set_page_dirty_nobuffers, - .prepare_write = hostfs_prepare_write, - .commit_write = hostfs_commit_write + .write_begin = hostfs_write_begin, + .write_end = hostfs_write_end, }; static int init_inode(struct inode *inode, struct dentry *dentry) @@ -534,28 +521,28 @@ static int init_inode(struct inode *inode, struct dentry *dentry) int maj, min; dev_t rdev = 0; - if(dentry){ + if (dentry) { name = dentry_name(dentry, 0); - if(name == NULL) + if (name == NULL) goto out; type = file_type(name, &maj, &min); - /*Reencode maj and min with the kernel encoding.*/ + /* Reencode maj and min with the kernel encoding.*/ rdev = MKDEV(maj, min); kfree(name); } else type = OS_TYPE_DIR; err = 0; - if(type == OS_TYPE_SYMLINK) + if (type == OS_TYPE_SYMLINK) inode->i_op = &page_symlink_inode_operations; - else if(type == OS_TYPE_DIR) + else if (type == OS_TYPE_DIR) inode->i_op = &hostfs_dir_iops; else inode->i_op = &hostfs_iops; - if(type == OS_TYPE_DIR) inode->i_fop = &hostfs_dir_fops; + if (type == OS_TYPE_DIR) inode->i_fop = &hostfs_dir_fops; else inode->i_fop = &hostfs_file_fops; - if(type == OS_TYPE_SYMLINK) + if (type == OS_TYPE_SYMLINK) inode->i_mapping->a_ops = &hostfs_link_aops; else inode->i_mapping->a_ops = &hostfs_aops; @@ -578,7 +565,7 @@ static int init_inode(struct inode *inode, struct dentry *dentry) } int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, - struct nameidata *nd) + struct nameidata *nd) { struct inode *inode; char *name; @@ -586,27 +573,28 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, error = -ENOMEM; inode = iget(dir->i_sb, 0); - if(inode == NULL) goto out; + if (inode == NULL) + goto out; error = init_inode(inode, dentry); - if(error) + if (error) goto out_put; error = -ENOMEM; name = dentry_name(dentry, 0); - if(name == NULL) + if (name == NULL) goto out_put; fd = file_create(name, mode & S_IRUSR, mode & S_IWUSR, mode & S_IXUSR, mode & S_IRGRP, mode & S_IWGRP, mode & S_IXGRP, mode & S_IROTH, mode & S_IWOTH, mode & S_IXOTH); - if(fd < 0) + if (fd < 0) error = fd; else error = read_name(inode, name); kfree(name); - if(error) + if (error) goto out_put; HOSTFS_I(inode)->fd = fd; @@ -629,25 +617,25 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, err = -ENOMEM; inode = iget(ino->i_sb, 0); - if(inode == NULL) + if (inode == NULL) goto out; err = init_inode(inode, dentry); - if(err) + if (err) goto out_put; err = -ENOMEM; name = dentry_name(dentry, 0); - if(name == NULL) + if (name == NULL) goto out_put; err = read_name(inode, name); kfree(name); - if(err == -ENOENT){ + if (err == -ENOENT) { iput(inode); inode = NULL; } - else if(err) + else if (err) goto out_put; d_add(dentry, inode); @@ -666,7 +654,7 @@ static char *inode_dentry_name(struct inode *ino, struct dentry *dentry) int len; file = inode_name(ino, dentry->d_name.len + 1); - if(file == NULL) + if (file == NULL) return NULL; strcat(file, "/"); len = strlen(file); @@ -680,10 +668,10 @@ int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from) char *from_name, *to_name; int err; - if((from_name = inode_dentry_name(ino, from)) == NULL) + if ((from_name = inode_dentry_name(ino, from)) == NULL) return -ENOMEM; to_name = dentry_name(to, 0); - if(to_name == NULL){ + if (to_name == NULL) { kfree(from_name); return -ENOMEM; } @@ -698,9 +686,9 @@ int hostfs_unlink(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) + if ((file = inode_dentry_name(ino, dentry)) == NULL) return -ENOMEM; - if(append) + if (append) return -EPERM; err = unlink_file(file); @@ -713,7 +701,7 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) + if ((file = inode_dentry_name(ino, dentry)) == NULL) return -ENOMEM; err = make_symlink(file, to); kfree(file); @@ -725,7 +713,7 @@ int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) + if ((file = inode_dentry_name(ino, dentry)) == NULL) return -ENOMEM; err = do_mkdir(file, mode); kfree(file); @@ -737,7 +725,7 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) + if ((file = inode_dentry_name(ino, dentry)) == NULL) return -ENOMEM; err = do_rmdir(file); kfree(file); @@ -751,26 +739,26 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) int err = -ENOMEM; inode = iget(dir->i_sb, 0); - if(inode == NULL) + if (inode == NULL) goto out; err = init_inode(inode, dentry); - if(err) + if (err) goto out_put; err = -ENOMEM; name = dentry_name(dentry, 0); - if(name == NULL) + if (name == NULL) goto out_put; init_special_inode(inode, mode, dev); err = do_mknod(name, mode, MAJOR(dev), MINOR(dev)); - if(err) + if (err) goto out_free; err = read_name(inode, name); kfree(name); - if(err) + if (err) goto out_put; d_instantiate(dentry, inode); @@ -790,9 +778,9 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from, char *from_name, *to_name; int err; - if((from_name = inode_dentry_name(from_ino, from)) == NULL) + if ((from_name = inode_dentry_name(from_ino, from)) == NULL) return -ENOMEM; - if((to_name = inode_dentry_name(to_ino, to)) == NULL){ + if ((to_name = inode_dentry_name(to_ino, to)) == NULL) { kfree(from_name); return -ENOMEM; } @@ -815,12 +803,12 @@ int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) return -ENOMEM; if (S_ISCHR(ino->i_mode) || S_ISBLK(ino->i_mode) || - S_ISFIFO(ino->i_mode) || S_ISSOCK(ino->i_mode)) + S_ISFIFO(ino->i_mode) || S_ISSOCK(ino->i_mode)) err = 0; else err = access_file(name, r, w, x); kfree(name); - if(!err) + if (!err) err = generic_permission(ino, desired, NULL); return err; } @@ -837,62 +825,55 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) if (err) return err; - if(append) + if (append) attr->ia_valid &= ~ATTR_SIZE; attrs.ia_valid = 0; - if(attr->ia_valid & ATTR_MODE){ + if (attr->ia_valid & ATTR_MODE) { attrs.ia_valid |= HOSTFS_ATTR_MODE; attrs.ia_mode = attr->ia_mode; } - if(attr->ia_valid & ATTR_UID){ + if (attr->ia_valid & ATTR_UID) { attrs.ia_valid |= HOSTFS_ATTR_UID; attrs.ia_uid = attr->ia_uid; } - if(attr->ia_valid & ATTR_GID){ + if (attr->ia_valid & ATTR_GID) { attrs.ia_valid |= HOSTFS_ATTR_GID; attrs.ia_gid = attr->ia_gid; } - if(attr->ia_valid & ATTR_SIZE){ + if (attr->ia_valid & ATTR_SIZE) { attrs.ia_valid |= HOSTFS_ATTR_SIZE; attrs.ia_size = attr->ia_size; } - if(attr->ia_valid & ATTR_ATIME){ + if (attr->ia_valid & ATTR_ATIME) { attrs.ia_valid |= HOSTFS_ATTR_ATIME; attrs.ia_atime = attr->ia_atime; } - if(attr->ia_valid & ATTR_MTIME){ + if (attr->ia_valid & ATTR_MTIME) { attrs.ia_valid |= HOSTFS_ATTR_MTIME; attrs.ia_mtime = attr->ia_mtime; } - if(attr->ia_valid & ATTR_CTIME){ + if (attr->ia_valid & ATTR_CTIME) { attrs.ia_valid |= HOSTFS_ATTR_CTIME; attrs.ia_ctime = attr->ia_ctime; } - if(attr->ia_valid & ATTR_ATIME_SET){ + if (attr->ia_valid & ATTR_ATIME_SET) { attrs.ia_valid |= HOSTFS_ATTR_ATIME_SET; } - if(attr->ia_valid & ATTR_MTIME_SET){ + if (attr->ia_valid & ATTR_MTIME_SET) { attrs.ia_valid |= HOSTFS_ATTR_MTIME_SET; } name = dentry_name(dentry, 0); - if(name == NULL) + if (name == NULL) return -ENOMEM; err = set_attr(name, &attrs, fd); kfree(name); - if(err) + if (err) return err; return inode_setattr(dentry->d_inode, attr); } -int hostfs_getattr(struct vfsmount *mnt, struct dentry *dentry, - struct kstat *stat) -{ - generic_fillattr(dentry->d_inode, stat); - return 0; -} - static const struct inode_operations hostfs_iops = { .create = hostfs_create, .link = hostfs_link, @@ -904,7 +885,6 @@ static const struct inode_operations hostfs_iops = { .rename = hostfs_rename, .permission = hostfs_permission, .setattr = hostfs_setattr, - .getattr = hostfs_getattr, }; static const struct inode_operations hostfs_dir_iops = { @@ -919,7 +899,6 @@ static const struct inode_operations hostfs_dir_iops = { .rename = hostfs_rename, .permission = hostfs_permission, .setattr = hostfs_setattr, - .getattr = hostfs_getattr, }; int hostfs_link_readpage(struct file *file, struct page *page) @@ -929,13 +908,13 @@ int hostfs_link_readpage(struct file *file, struct page *page) buffer = kmap(page); name = inode_name(page->mapping->host, 0); - if(name == NULL) + if (name == NULL) return -ENOMEM; err = do_readlink(name, buffer, PAGE_CACHE_SIZE); kfree(name); - if(err == PAGE_CACHE_SIZE) + if (err == PAGE_CACHE_SIZE) err = -E2BIG; - else if(err > 0){ + else if (err > 0) { flush_dcache_page(page); SetPageUptodate(page); if (PageError(page)) ClearPageError(page); @@ -968,31 +947,33 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) err = -ENOMEM; host_root_path = kmalloc(strlen(root_ino) + 1 + strlen(req_root) + 1, GFP_KERNEL); - if(host_root_path == NULL) + if (host_root_path == NULL) goto out; sprintf(host_root_path, "%s/%s", root_ino, req_root); root_inode = iget(sb, 0); - if(root_inode == NULL) + if (root_inode == NULL) goto out_free; err = init_inode(root_inode, NULL); - if(err) + if (err) goto out_put; HOSTFS_I(root_inode)->host_filename = host_root_path; - /* Avoid that in the error path, iput(root_inode) frees again - * host_root_path through hostfs_destroy_inode! */ + /* + * Avoid that in the error path, iput(root_inode) frees again + * host_root_path through hostfs_destroy_inode! + */ host_root_path = NULL; err = -ENOMEM; sb->s_root = d_alloc_root(root_inode); - if(sb->s_root == NULL) + if (sb->s_root == NULL) goto out_put; err = read_inode(root_inode); - if(err){ + if (err) { /* No iput in this case because the dput does that for us */ dput(sb->s_root); sb->s_root = NULL; diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 5625e2481dd..35c1a9f33f4 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -3,19 +3,21 @@ * Licensed under the GPL */ -#include <unistd.h> #include <stdio.h> -#include <fcntl.h> +#include <stddef.h> +#include <unistd.h> #include <dirent.h> #include <errno.h> -#include <utime.h> +#include <fcntl.h> #include <string.h> #include <sys/stat.h> #include <sys/time.h> +#include <sys/types.h> #include <sys/vfs.h> #include "hostfs.h" -#include "kern_util.h" +#include "os.h" #include "user.h" +#include <utime.h> int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, @@ -25,33 +27,41 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, { struct stat64 buf; - if(fd >= 0) { + if (fd >= 0) { if (fstat64(fd, &buf) < 0) return -errno; - } else if(lstat64(path, &buf) < 0) { + } else if (lstat64(path, &buf) < 0) { return -errno; } - if(inode_out != NULL) *inode_out = buf.st_ino; - if(mode_out != NULL) *mode_out = buf.st_mode; - if(nlink_out != NULL) *nlink_out = buf.st_nlink; - if(uid_out != NULL) *uid_out = buf.st_uid; - if(gid_out != NULL) *gid_out = buf.st_gid; - if(size_out != NULL) *size_out = buf.st_size; - if(atime_out != NULL) { + if (inode_out != NULL) + *inode_out = buf.st_ino; + if (mode_out != NULL) + *mode_out = buf.st_mode; + if (nlink_out != NULL) + *nlink_out = buf.st_nlink; + if (uid_out != NULL) + *uid_out = buf.st_uid; + if (gid_out != NULL) + *gid_out = buf.st_gid; + if (size_out != NULL) + *size_out = buf.st_size; + if (atime_out != NULL) { atime_out->tv_sec = buf.st_atime; atime_out->tv_nsec = 0; } - if(mtime_out != NULL) { + if (mtime_out != NULL) { mtime_out->tv_sec = buf.st_mtime; mtime_out->tv_nsec = 0; } - if(ctime_out != NULL) { + if (ctime_out != NULL) { ctime_out->tv_sec = buf.st_ctime; ctime_out->tv_nsec = 0; } - if(blksize_out != NULL) *blksize_out = buf.st_blksize; - if(blocks_out != NULL) *blocks_out = buf.st_blocks; + if (blksize_out != NULL) + *blksize_out = buf.st_blksize; + if (blocks_out != NULL) + *blocks_out = buf.st_blocks; return 0; } @@ -59,21 +69,29 @@ int file_type(const char *path, int *maj, int *min) { struct stat64 buf; - if(lstat64(path, &buf) < 0) + if (lstat64(path, &buf) < 0) return -errno; - /*We cannot pass rdev as is because glibc and the kernel disagree - *about its definition.*/ - if(maj != NULL) + /* + * We cannot pass rdev as is because glibc and the kernel disagree + * about its definition. + */ + if (maj != NULL) *maj = major(buf.st_rdev); - if(min != NULL) + if (min != NULL) *min = minor(buf.st_rdev); - if(S_ISDIR(buf.st_mode)) return OS_TYPE_DIR; - else if(S_ISLNK(buf.st_mode)) return OS_TYPE_SYMLINK; - else if(S_ISCHR(buf.st_mode)) return OS_TYPE_CHARDEV; - else if(S_ISBLK(buf.st_mode)) return OS_TYPE_BLOCKDEV; - else if(S_ISFIFO(buf.st_mode))return OS_TYPE_FIFO; - else if(S_ISSOCK(buf.st_mode))return OS_TYPE_SOCK; + if (S_ISDIR(buf.st_mode)) + return OS_TYPE_DIR; + else if (S_ISLNK(buf.st_mode)) + return OS_TYPE_SYMLINK; + else if (S_ISCHR(buf.st_mode)) + return OS_TYPE_CHARDEV; + else if (S_ISBLK(buf.st_mode)) + return OS_TYPE_BLOCKDEV; + else if (S_ISFIFO(buf.st_mode)) + return OS_TYPE_FIFO; + else if (S_ISSOCK(buf.st_mode)) + return OS_TYPE_SOCK; else return OS_TYPE_FILE; } @@ -81,10 +99,13 @@ int access_file(char *path, int r, int w, int x) { int mode = 0; - if(r) mode = R_OK; - if(w) mode |= W_OK; - if(x) mode |= X_OK; - if(access(path, mode) != 0) + if (r) + mode = R_OK; + if (w) + mode |= W_OK; + if (x) + mode |= X_OK; + if (access(path, mode) != 0) return -errno; else return 0; } @@ -93,18 +114,18 @@ int open_file(char *path, int r, int w, int append) { int mode = 0, fd; - if(r && !w) + if (r && !w) mode = O_RDONLY; - else if(!r && w) + else if (!r && w) mode = O_WRONLY; - else if(r && w) + else if (r && w) mode = O_RDWR; else panic("Impossible mode in open_file"); - if(append) + if (append) mode |= O_APPEND; fd = open64(path, mode); - if(fd < 0) + if (fd < 0) return -errno; else return fd; } @@ -115,7 +136,7 @@ void *open_dir(char *path, int *err_out) dir = opendir(path); *err_out = errno; - if(dir == NULL) + if (dir == NULL) return NULL; return dir; } @@ -128,7 +149,7 @@ char *read_dir(void *stream, unsigned long long *pos, seekdir(dir, *pos); ent = readdir(dir); - if(ent == NULL) + if (ent == NULL) return NULL; *len_out = strlen(ent->d_name); *ino_out = ent->d_ino; @@ -141,7 +162,7 @@ int read_file(int fd, unsigned long long *offset, char *buf, int len) int n; n = pread64(fd, buf, len, *offset); - if(n < 0) + if (n < 0) return -errno; *offset += n; return n; @@ -152,7 +173,7 @@ int write_file(int fd, unsigned long long *offset, const char *buf, int len) int n; n = pwrite64(fd, buf, len, *offset); - if(n < 0) + if (n < 0) return -errno; *offset += n; return n; @@ -163,7 +184,7 @@ int lseek_file(int fd, long long offset, int whence) int ret; ret = lseek64(fd, offset, whence); - if(ret < 0) + if (ret < 0) return -errno; return 0; } @@ -207,7 +228,7 @@ int file_create(char *name, int ur, int uw, int ux, int gr, mode |= ow ? S_IWOTH : 0; mode |= ox ? S_IXOTH : 0; fd = open64(name, O_CREAT | O_RDWR, mode); - if(fd < 0) + if (fd < 0) return -errno; return fd; } @@ -230,7 +251,7 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) if (fd >= 0) { if (fchown(fd, attrs->ia_uid, -1)) return -errno; - } else if(chown(file, attrs->ia_uid, -1)) { + } else if (chown(file, attrs->ia_uid, -1)) { return -errno; } } @@ -251,9 +272,11 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) } } - /* Update accessed and/or modified time, in two parts: first set + /* + * Update accessed and/or modified time, in two parts: first set * times according to the changes to perform, and then call futimes() - * or utimes() to apply them. */ + * or utimes() to apply them. + */ ma = (HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET); if (attrs->ia_valid & ma) { err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, @@ -283,12 +306,12 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) } } - if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ; - if(attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)){ + /* Note: ctime is not handled */ + if (attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)) { err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, &attrs->ia_atime, &attrs->ia_mtime, NULL, NULL, NULL, fd); - if(err != 0) + if (err != 0) return err; } return 0; @@ -299,7 +322,7 @@ int make_symlink(const char *from, const char *to) int err; err = symlink(to, from); - if(err) + if (err) return -errno; return 0; } @@ -309,7 +332,7 @@ int unlink_file(const char *file) int err; err = unlink(file); - if(err) + if (err) return -errno; return 0; } @@ -319,7 +342,7 @@ int do_mkdir(const char *file, int mode) int err; err = mkdir(file, mode); - if(err) + if (err) return -errno; return 0; } @@ -329,7 +352,7 @@ int do_rmdir(const char *file) int err; err = rmdir(file); - if(err) + if (err) return -errno; return 0; } @@ -339,7 +362,7 @@ int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) int err; err = mknod(file, mode, makedev(major, minor)); - if(err) + if (err) return -errno; return 0; } @@ -349,7 +372,7 @@ int link_file(const char *to, const char *from) int err; err = link(to, from); - if(err) + if (err) return -errno; return 0; } @@ -359,9 +382,9 @@ int do_readlink(char *file, char *buf, int size) int n; n = readlink(file, buf, size); - if(n < 0) + if (n < 0) return -errno; - if(n < size) + if (n < size) buf[n] = '\0'; return n; } @@ -371,7 +394,7 @@ int rename_file(char *from, char *to) int err; err = rename(from, to); - if(err < 0) + if (err < 0) return -errno; return 0; } @@ -386,7 +409,7 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, int err; err = statfs64(root, &buf); - if(err < 0) + if (err < 0) return -errno; *bsize_out = buf.f_bsize; diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index 5b53e5c5d8d..be8be5040e0 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -86,25 +86,33 @@ static int hpfs_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page,hpfs_get_block, wbc); } + static int hpfs_readpage(struct file *file, struct page *page) { return block_read_full_page(page,hpfs_get_block); } -static int hpfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) + +static int hpfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return cont_prepare_write(page,from,to,hpfs_get_block, - &hpfs_i(page->mapping->host)->mmu_private); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + hpfs_get_block, + &hpfs_i(mapping->host)->mmu_private); } + static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,hpfs_get_block); } + const struct address_space_operations hpfs_aops = { .readpage = hpfs_readpage, .writepage = hpfs_writepage, .sync_page = block_sync_page, - .prepare_write = hpfs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = hpfs_write_begin, + .write_end = generic_write_end, .bmap = _hpfs_bmap }; diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 89612ee7c80..00971d99996 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -173,7 +173,7 @@ static void hpfs_destroy_inode(struct inode *inode) kmem_cache_free(hpfs_inode_cachep, hpfs_i(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct hpfs_inode_info *ei = (struct hpfs_inode_info *) foo; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 950c2fbb815..12aca8ed605 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -179,6 +179,130 @@ full_search: } #endif +static int +hugetlbfs_read_actor(struct page *page, unsigned long offset, + char __user *buf, unsigned long count, + unsigned long size) +{ + char *kaddr; + unsigned long left, copied = 0; + int i, chunksize; + + if (size > count) + size = count; + + /* Find which 4k chunk and offset with in that chunk */ + i = offset >> PAGE_CACHE_SHIFT; + offset = offset & ~PAGE_CACHE_MASK; + + while (size) { + chunksize = PAGE_CACHE_SIZE; + if (offset) + chunksize -= offset; + if (chunksize > size) + chunksize = size; + kaddr = kmap(&page[i]); + left = __copy_to_user(buf, kaddr + offset, chunksize); + kunmap(&page[i]); + if (left) { + copied += (chunksize - left); + break; + } + offset = 0; + size -= chunksize; + buf += chunksize; + copied += chunksize; + i++; + } + return copied ? copied : -EFAULT; +} + +/* + * Support for read() - Find the page attached to f_mapping and copy out the + * data. Its *very* similar to do_generic_mapping_read(), we can't use that + * since it has PAGE_CACHE_SIZE assumptions. + */ +static ssize_t hugetlbfs_read(struct file *filp, char __user *buf, + size_t len, loff_t *ppos) +{ + struct address_space *mapping = filp->f_mapping; + struct inode *inode = mapping->host; + unsigned long index = *ppos >> HPAGE_SHIFT; + unsigned long offset = *ppos & ~HPAGE_MASK; + unsigned long end_index; + loff_t isize; + ssize_t retval = 0; + + mutex_lock(&inode->i_mutex); + + /* validate length */ + if (len == 0) + goto out; + + isize = i_size_read(inode); + if (!isize) + goto out; + + end_index = (isize - 1) >> HPAGE_SHIFT; + for (;;) { + struct page *page; + int nr, ret; + + /* nr is the maximum number of bytes to copy from this page */ + nr = HPAGE_SIZE; + if (index >= end_index) { + if (index > end_index) + goto out; + nr = ((isize - 1) & ~HPAGE_MASK) + 1; + if (nr <= offset) { + goto out; + } + } + nr = nr - offset; + + /* Find the page */ + page = find_get_page(mapping, index); + if (unlikely(page == NULL)) { + /* + * We have a HOLE, zero out the user-buffer for the + * length of the hole or request. + */ + ret = len < nr ? len : nr; + if (clear_user(buf, ret)) + ret = -EFAULT; + } else { + /* + * We have the page, copy it to user space buffer. + */ + ret = hugetlbfs_read_actor(page, offset, buf, len, nr); + } + if (ret < 0) { + if (retval == 0) + retval = ret; + if (page) + page_cache_release(page); + goto out; + } + + offset += ret; + retval += ret; + len -= ret; + index += offset >> HPAGE_SHIFT; + offset &= ~HPAGE_MASK; + + if (page) + page_cache_release(page); + + /* short read or no more work */ + if ((ret != nr) || (len == 0)) + break; + } +out: + *ppos = ((loff_t)index << HPAGE_SHIFT) + offset; + mutex_unlock(&inode->i_mutex); + return retval; +} + /* * Read a page. Again trivial. If it didn't already exist * in the page cache, it is zero-filled. @@ -189,15 +313,19 @@ static int hugetlbfs_readpage(struct file *file, struct page * page) return -EINVAL; } -static int hugetlbfs_prepare_write(struct file *file, - struct page *page, unsigned offset, unsigned to) +static int hugetlbfs_write_begin(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { return -EINVAL; } -static int hugetlbfs_commit_write(struct file *file, - struct page *page, unsigned offset, unsigned to) +static int hugetlbfs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { + BUG(); return -EINVAL; } @@ -256,7 +384,7 @@ static void hugetlbfs_forget_inode(struct inode *inode) __releases(inode_lock) struct super_block *sb = inode->i_sb; if (!hlist_unhashed(&inode->i_hash)) { - if (!(inode->i_state & (I_DIRTY|I_LOCK))) + if (!(inode->i_state & (I_DIRTY|I_SYNC))) list_move(&inode->i_list, &inode_unused); inodes_stat.nr_unused++; if (!sb || (sb->s_flags & MS_ACTIVE)) { @@ -318,21 +446,15 @@ hugetlb_vmtruncate_list(struct prio_tree_root *root, pgoff_t pgoff) } } -/* - * Expanding truncates are not allowed. - */ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset) { pgoff_t pgoff; struct address_space *mapping = inode->i_mapping; - if (offset > inode->i_size) - return -EINVAL; - BUG_ON(offset & ~HPAGE_MASK); pgoff = offset >> PAGE_SHIFT; - inode->i_size = offset; + i_size_write(inode, offset); spin_lock(&mapping->i_mmap_lock); if (!prio_tree_empty(&mapping->i_mmap)) hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff); @@ -569,13 +691,13 @@ static void hugetlbfs_destroy_inode(struct inode *inode) static const struct address_space_operations hugetlbfs_aops = { .readpage = hugetlbfs_readpage, - .prepare_write = hugetlbfs_prepare_write, - .commit_write = hugetlbfs_commit_write, + .write_begin = hugetlbfs_write_begin, + .write_end = hugetlbfs_write_end, .set_page_dirty = hugetlbfs_set_page_dirty, }; -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct hugetlbfs_inode_info *ei = (struct hugetlbfs_inode_info *)foo; @@ -583,6 +705,7 @@ static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) } const struct file_operations hugetlbfs_file_operations = { + .read = hugetlbfs_read, .mmap = hugetlbfs_file_mmap, .fsync = simple_sync_file, .get_unmapped_area = hugetlb_get_unmapped_area, @@ -810,16 +933,11 @@ struct file *hugetlb_file_setup(const char *name, size_t size) if (!dentry) goto out_shm_unlock; - error = -ENFILE; - file = get_empty_filp(); - if (!file) - goto out_dentry; - error = -ENOSPC; inode = hugetlbfs_get_inode(root->d_sb, current->fsuid, current->fsgid, S_IFREG | S_IRWXUGO, 0); if (!inode) - goto out_file; + goto out_dentry; error = -ENOMEM; if (hugetlb_reserve_pages(inode, 0, size >> HPAGE_SHIFT)) @@ -828,17 +946,18 @@ struct file *hugetlb_file_setup(const char *name, size_t size) d_instantiate(dentry, inode); inode->i_size = size; inode->i_nlink = 0; - file->f_path.mnt = mntget(hugetlbfs_vfsmount); - file->f_path.dentry = dentry; - file->f_mapping = inode->i_mapping; - file->f_op = &hugetlbfs_file_operations; - file->f_mode = FMODE_WRITE | FMODE_READ; + + error = -ENFILE; + file = alloc_file(hugetlbfs_vfsmount, dentry, + FMODE_WRITE | FMODE_READ, + &hugetlbfs_file_operations); + if (!file) + goto out_inode; + return file; out_inode: iput(inode); -out_file: - put_filp(file); out_dentry: dput(dentry); out_shm_unlock: @@ -851,11 +970,15 @@ static int __init init_hugetlbfs_fs(void) int error; struct vfsmount *vfsmount; + error = bdi_init(&hugetlbfs_backing_dev_info); + if (error) + return error; + hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache", sizeof(struct hugetlbfs_inode_info), 0, 0, init_once); if (hugetlbfs_inode_cachep == NULL) - return -ENOMEM; + goto out2; error = register_filesystem(&hugetlbfs_fs_type); if (error) @@ -873,6 +996,8 @@ static int __init init_hugetlbfs_fs(void) out: if (error) kmem_cache_destroy(hugetlbfs_inode_cachep); + out2: + bdi_destroy(&hugetlbfs_backing_dev_info); return error; } @@ -880,6 +1005,7 @@ static void __exit exit_hugetlbfs_fs(void) { kmem_cache_destroy(hugetlbfs_inode_cachep); unregister_filesystem(&hugetlbfs_fs_type); + bdi_destroy(&hugetlbfs_backing_dev_info); } module_init(init_hugetlbfs_fs) diff --git a/fs/inode.c b/fs/inode.c index f97de0aeb3b..ed35383d0b6 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -99,6 +99,15 @@ struct inodes_stat_t inodes_stat; static struct kmem_cache * inode_cachep __read_mostly; +static void wake_up_inode(struct inode *inode) +{ + /* + * Prevent speculative execution through spin_unlock(&inode_lock); + */ + smp_mb(); + wake_up_bit(&inode->i_state, __I_LOCK); +} + static struct inode *alloc_inode(struct super_block *sb) { static const struct address_space_operations empty_aops; @@ -215,7 +224,7 @@ void inode_init_once(struct inode *inode) EXPORT_SYMBOL(inode_init_once); -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct inode * inode = (struct inode *) foo; @@ -232,7 +241,7 @@ void __iget(struct inode * inode) return; } atomic_inc(&inode->i_count); - if (!(inode->i_state & (I_DIRTY|I_LOCK))) + if (!(inode->i_state & (I_DIRTY|I_SYNC))) list_move(&inode->i_list, &inode_in_use); inodes_stat.nr_unused--; } @@ -253,7 +262,7 @@ void clear_inode(struct inode *inode) BUG_ON(inode->i_data.nrpages); BUG_ON(!(inode->i_state & I_FREEING)); BUG_ON(inode->i_state & I_CLEAR); - wait_on_inode(inode); + inode_sync_wait(inode); DQUOT_DROP(inode); if (inode->i_sb->s_op->clear_inode) inode->i_sb->s_op->clear_inode(inode); @@ -568,16 +577,16 @@ EXPORT_SYMBOL(new_inode); void unlock_new_inode(struct inode *inode) { #ifdef CONFIG_DEBUG_LOCK_ALLOC - struct file_system_type *type = inode->i_sb->s_type; - /* - * ensure nobody is actually holding i_mutex - */ - mutex_destroy(&inode->i_mutex); - mutex_init(&inode->i_mutex); - if (inode->i_mode & S_IFDIR) + if (inode->i_mode & S_IFDIR) { + struct file_system_type *type = inode->i_sb->s_type; + + /* + * ensure nobody is actually holding i_mutex + */ + mutex_destroy(&inode->i_mutex); + mutex_init(&inode->i_mutex); lockdep_set_class(&inode->i_mutex, &type->i_mutex_dir_key); - else - lockdep_set_class(&inode->i_mutex, &type->i_mutex_key); + } #endif /* * This is special! We do not need the spinlock @@ -1071,7 +1080,7 @@ static void generic_forget_inode(struct inode *inode) struct super_block *sb = inode->i_sb; if (!hlist_unhashed(&inode->i_hash)) { - if (!(inode->i_state & (I_DIRTY|I_LOCK))) + if (!(inode->i_state & (I_DIRTY|I_SYNC))) list_move(&inode->i_list, &inode_unused); inodes_stat.nr_unused++; if (sb->s_flags & MS_ACTIVE) { @@ -1314,15 +1323,6 @@ static void __wait_on_freeing_inode(struct inode *inode) spin_lock(&inode_lock); } -void wake_up_inode(struct inode *inode) -{ - /* - * Prevent speculative execution through spin_unlock(&inode_lock); - */ - smp_mb(); - wake_up_bit(&inode->i_state, __I_LOCK); -} - /* * We rarely want to lock two inodes that do not have a parent/child * relationship (such as directory, child inode) simultaneously. The @@ -1396,7 +1396,7 @@ void __init inode_init_early(void) INIT_HLIST_HEAD(&inode_hashtable[loop]); } -void __init inode_init(unsigned long mempages) +void __init inode_init(void) { int loop; diff --git a/fs/inotify_user.c b/fs/inotify_user.c index 9bf2f6c09df..5e009331c01 100644 --- a/fs/inotify_user.c +++ b/fs/inotify_user.c @@ -31,6 +31,7 @@ #include <linux/list.h> #include <linux/inotify.h> #include <linux/syscalls.h> +#include <linux/magic.h> #include <asm/ioctls.h> @@ -684,7 +685,8 @@ static int inotify_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - return get_sb_pseudo(fs_type, "inotify", NULL, 0xBAD1DEA, mnt); + return get_sb_pseudo(fs_type, "inotify", NULL, + INOTIFYFS_SUPER_MAGIC, mnt); } static struct file_system_type inotify_fs_type = { diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 6bbbdb53581..37dbd640478 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -33,7 +33,7 @@ static char zisofs_sink_page[PAGE_CACHE_SIZE]; * allocation; this avoids failures at block-decompression time. */ static void *zisofs_zlib_workspace; -static struct semaphore zisofs_zlib_semaphore; +static DEFINE_MUTEX(zisofs_zlib_lock); /* * When decompressing, we typically obtain more than one page @@ -180,9 +180,9 @@ static int zisofs_readpage(struct file *file, struct page *page) /* First block is special since it may be fractional. We also wait for it before grabbing the zlib - semaphore; odds are that the subsequent blocks are + mutex; odds are that the subsequent blocks are going to come in in short order so we don't hold - the zlib semaphore longer than necessary. */ + the zlib mutex longer than necessary. */ if ( !bh || (wait_on_buffer(bh), !buffer_uptodate(bh)) ) { printk(KERN_DEBUG "zisofs: Hit null buffer, fpage = %d, xpage = %d, csize = %ld\n", @@ -194,7 +194,7 @@ static int zisofs_readpage(struct file *file, struct page *page) csize -= stream.avail_in; stream.workspace = zisofs_zlib_workspace; - down(&zisofs_zlib_semaphore); + mutex_lock(&zisofs_zlib_lock); zerr = zlib_inflateInit(&stream); if ( zerr != Z_OK ) { @@ -281,7 +281,7 @@ static int zisofs_readpage(struct file *file, struct page *page) zlib_inflateEnd(&stream); z_eio: - up(&zisofs_zlib_semaphore); + mutex_unlock(&zisofs_zlib_lock); b_eio: for ( i = 0 ; i < haveblocks ; i++ ) { @@ -317,31 +317,16 @@ const struct address_space_operations zisofs_aops = { /* No bmap operation supported */ }; -static int initialized; - int __init zisofs_init(void) { - if ( initialized ) { - printk("zisofs_init: called more than once\n"); - return 0; - } - zisofs_zlib_workspace = vmalloc(zlib_inflate_workspacesize()); if ( !zisofs_zlib_workspace ) return -ENOMEM; - init_MUTEX(&zisofs_zlib_semaphore); - initialized = 1; return 0; } void zisofs_cleanup(void) { - if ( !initialized ) { - printk("zisofs_cleanup: called without initialization\n"); - return; - } - vfree(zisofs_zlib_workspace); - initialized = 0; } diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 043b470fd3b..aa359a2e4ce 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -73,7 +73,7 @@ static void isofs_destroy_inode(struct inode *inode) kmem_cache_free(isofs_inode_cachep, ISOFS_I(inode)); } -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct iso_inode_info *ei = foo; diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c index c8c7e5138a0..e2b4dad39ca 100644 --- a/fs/isofs/namei.c +++ b/fs/isofs/namei.c @@ -158,7 +158,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry, struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { int found; - unsigned long block, offset; + unsigned long uninitialized_var(block); + unsigned long uninitialized_var(offset); struct inode *inode; struct page *page; diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 06ab3c10b1b..a6be78c05dc 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -1710,7 +1710,7 @@ static int journal_init_journal_head_cache(void) journal_head_cache = kmem_cache_create("journal_head", sizeof(struct journal_head), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ retval = 0; if (journal_head_cache == 0) { @@ -2006,7 +2006,7 @@ static int __init journal_init_handle_cache(void) jbd_handle_cache = kmem_cache_create("journal_handle", sizeof(handle_t), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ if (jbd_handle_cache == NULL) { printk(KERN_EMERG "JBD: failed to create handle cache\n"); diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index 62e13c8db13..ad2eacf570c 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -170,13 +170,15 @@ int __init journal_init_revoke_caches(void) { revoke_record_cache = kmem_cache_create("revoke_record", sizeof(struct jbd_revoke_record_s), - 0, SLAB_HWCACHE_ALIGN, NULL); + 0, + SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY, + NULL); if (revoke_record_cache == 0) return -ENOMEM; revoke_table_cache = kmem_cache_create("revoke_table", sizeof(struct jbd_revoke_table_s), - 0, 0, NULL); + 0, SLAB_TEMPORARY, NULL); if (revoke_table_cache == 0) { kmem_cache_destroy(revoke_record_cache); revoke_record_cache = NULL; diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index c2530197be0..023a17539dd 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -19,10 +19,12 @@ #include <linux/jffs2.h> #include "nodelist.h" -static int jffs2_commit_write (struct file *filp, struct page *pg, - unsigned start, unsigned end); -static int jffs2_prepare_write (struct file *filp, struct page *pg, - unsigned start, unsigned end); +static int jffs2_write_end(struct file *filp, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *pg, void *fsdata); +static int jffs2_write_begin(struct file *filp, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); static int jffs2_readpage (struct file *filp, struct page *pg); int jffs2_fsync(struct file *filp, struct dentry *dentry, int datasync) @@ -65,8 +67,8 @@ const struct inode_operations jffs2_file_inode_operations = const struct address_space_operations jffs2_file_address_operations = { .readpage = jffs2_readpage, - .prepare_write =jffs2_prepare_write, - .commit_write = jffs2_commit_write + .write_begin = jffs2_write_begin, + .write_end = jffs2_write_end, }; static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg) @@ -119,15 +121,23 @@ static int jffs2_readpage (struct file *filp, struct page *pg) return ret; } -static int jffs2_prepare_write (struct file *filp, struct page *pg, - unsigned start, unsigned end) +static int jffs2_write_begin(struct file *filp, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct inode *inode = pg->mapping->host; + struct page *pg; + struct inode *inode = mapping->host; struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); - uint32_t pageofs = pg->index << PAGE_CACHE_SHIFT; + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + uint32_t pageofs = pos & (PAGE_CACHE_SIZE - 1); int ret = 0; - D1(printk(KERN_DEBUG "jffs2_prepare_write()\n")); + pg = __grab_cache_page(mapping, index); + if (!pg) + return -ENOMEM; + *pagep = pg; + + D1(printk(KERN_DEBUG "jffs2_write_begin()\n")); if (pageofs > inode->i_size) { /* Make new hole frag from old EOF to new page */ @@ -142,7 +152,7 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg, ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len, ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE); if (ret) - return ret; + goto out_page; down(&f->sem); memset(&ri, 0, sizeof(ri)); @@ -172,7 +182,7 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg, ret = PTR_ERR(fn); jffs2_complete_reservation(c); up(&f->sem); - return ret; + goto out_page; } ret = jffs2_add_full_dnode_to_inode(c, f, fn); if (f->metadata) { @@ -181,65 +191,79 @@ static int jffs2_prepare_write (struct file *filp, struct page *pg, f->metadata = NULL; } if (ret) { - D1(printk(KERN_DEBUG "Eep. add_full_dnode_to_inode() failed in prepare_write, returned %d\n", ret)); + D1(printk(KERN_DEBUG "Eep. add_full_dnode_to_inode() failed in write_begin, returned %d\n", ret)); jffs2_mark_node_obsolete(c, fn->raw); jffs2_free_full_dnode(fn); jffs2_complete_reservation(c); up(&f->sem); - return ret; + goto out_page; } jffs2_complete_reservation(c); inode->i_size = pageofs; up(&f->sem); } - /* Read in the page if it wasn't already present, unless it's a whole page */ - if (!PageUptodate(pg) && (start || end < PAGE_CACHE_SIZE)) { + /* + * Read in the page if it wasn't already present. Cannot optimize away + * the whole page write case until jffs2_write_end can handle the + * case of a short-copy. + */ + if (!PageUptodate(pg)) { down(&f->sem); ret = jffs2_do_readpage_nolock(inode, pg); up(&f->sem); + if (ret) + goto out_page; } - D1(printk(KERN_DEBUG "end prepare_write(). pg->flags %lx\n", pg->flags)); + D1(printk(KERN_DEBUG "end write_begin(). pg->flags %lx\n", pg->flags)); + return ret; + +out_page: + unlock_page(pg); + page_cache_release(pg); return ret; } -static int jffs2_commit_write (struct file *filp, struct page *pg, - unsigned start, unsigned end) +static int jffs2_write_end(struct file *filp, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *pg, void *fsdata) { /* Actually commit the write from the page cache page we're looking at. * For now, we write the full page out each time. It sucks, but it's simple */ - struct inode *inode = pg->mapping->host; + struct inode *inode = mapping->host; struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); struct jffs2_raw_inode *ri; + unsigned start = pos & (PAGE_CACHE_SIZE - 1); + unsigned end = start + copied; unsigned aligned_start = start & ~3; int ret = 0; uint32_t writtenlen = 0; - D1(printk(KERN_DEBUG "jffs2_commit_write(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n", + D1(printk(KERN_DEBUG "jffs2_write_end(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n", inode->i_ino, pg->index << PAGE_CACHE_SHIFT, start, end, pg->flags)); + /* We need to avoid deadlock with page_cache_read() in + jffs2_garbage_collect_pass(). So the page must be + up to date to prevent page_cache_read() from trying + to re-lock it. */ + BUG_ON(!PageUptodate(pg)); + if (end == PAGE_CACHE_SIZE) { - if (!start) { - /* We need to avoid deadlock with page_cache_read() in - jffs2_garbage_collect_pass(). So we have to mark the - page up to date, to prevent page_cache_read() from - trying to re-lock it. */ - SetPageUptodate(pg); - } else { - /* When writing out the end of a page, write out the - _whole_ page. This helps to reduce the number of - nodes in files which have many short writes, like - syslog files. */ - start = aligned_start = 0; - } + /* When writing out the end of a page, write out the + _whole_ page. This helps to reduce the number of + nodes in files which have many short writes, like + syslog files. */ + start = aligned_start = 0; } ri = jffs2_alloc_raw_inode(); if (!ri) { - D1(printk(KERN_DEBUG "jffs2_commit_write(): Allocation of raw inode failed\n")); + D1(printk(KERN_DEBUG "jffs2_write_end(): Allocation of raw inode failed\n")); + unlock_page(pg); + page_cache_release(pg); return -ENOMEM; } @@ -287,11 +311,14 @@ static int jffs2_commit_write (struct file *filp, struct page *pg, /* generic_file_write has written more to the page cache than we've actually written to the medium. Mark the page !Uptodate so that it gets reread */ - D1(printk(KERN_DEBUG "jffs2_commit_write(): Not all bytes written. Marking page !uptodate\n")); + D1(printk(KERN_DEBUG "jffs2_write_end(): Not all bytes written. Marking page !uptodate\n")); SetPageError(pg); ClearPageUptodate(pg); } - D1(printk(KERN_DEBUG "jffs2_commit_write() returning %d\n",start+writtenlen==end?0:ret)); - return start+writtenlen==end?0:ret; + D1(printk(KERN_DEBUG "jffs2_write_end() returning %d\n", + writtenlen > 0 ? writtenlen : ret)); + unlock_page(pg); + page_cache_release(pg); + return writtenlen > 0 ? writtenlen : ret; } diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index be2b70c2ec1..ffa447511e6 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -43,7 +43,7 @@ static void jffs2_destroy_inode(struct inode *inode) kmem_cache_free(jffs2_inode_cachep, JFFS2_INODE_INFO(inode)); } -static void jffs2_i_init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void jffs2_i_init_once(struct kmem_cache *cachep, void *foo) { struct jffs2_inode_info *ei = (struct jffs2_inode_info *) foo; diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 3467dde27e5..4672013802e 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -255,7 +255,7 @@ int jfs_get_block(struct inode *ip, sector_t lblock, static int jfs_writepage(struct page *page, struct writeback_control *wbc) { - return nobh_writepage(page, jfs_get_block, wbc); + return block_write_full_page(page, jfs_get_block, wbc); } static int jfs_writepages(struct address_space *mapping, @@ -275,10 +275,12 @@ static int jfs_readpages(struct file *file, struct address_space *mapping, return mpage_readpages(mapping, pages, nr_pages, jfs_get_block); } -static int jfs_prepare_write(struct file *file, - struct page *page, unsigned from, unsigned to) +static int jfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return nobh_prepare_write(page, from, to, jfs_get_block); + return nobh_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + jfs_get_block); } static sector_t jfs_bmap(struct address_space *mapping, sector_t block) @@ -302,8 +304,8 @@ const struct address_space_operations jfs_aops = { .writepage = jfs_writepage, .writepages = jfs_writepages, .sync_page = block_sync_page, - .prepare_write = jfs_prepare_write, - .commit_write = nobh_commit_write, + .write_begin = jfs_write_begin, + .write_end = nobh_write_end, .bmap = jfs_bmap, .direct_IO = jfs_direct_IO, }; @@ -356,7 +358,7 @@ void jfs_truncate(struct inode *ip) { jfs_info("jfs_truncate: size = 0x%lx", (ulong) ip->i_size); - nobh_truncate_page(ip->i_mapping, ip->i_size); + nobh_truncate_page(ip->i_mapping, ip->i_size, jfs_get_block); IWRITE_LOCK(ip, RDWRLOCK_NORMAL); jfs_truncate_nolock(ip, ip->i_size); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 941369c1ac8..f5cd8d38af7 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -180,7 +180,7 @@ static inline void remove_metapage(struct page *page, struct metapage *mp) #endif -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct metapage *mp = (struct metapage *)foo; diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index 7aa1f7004ea..e7c60ae6b5b 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -1289,7 +1289,14 @@ int txCommit(tid_t tid, /* transaction identifier */ * commit the transaction synchronously, so the last iput * will be done by the calling thread (or later) */ - if (tblk->u.ip->i_state & I_LOCK) + /* + * I believe this code is no longer needed. Splitting I_LOCK + * into two bits, I_LOCK and I_SYNC should prevent this + * deadlock as well. But since I don't have a JFS testload + * to verify this, only a trivial s/I_LOCK/I_SYNC/ was done. + * Joern + */ + if (tblk->u.ip->i_state & I_SYNC) tblk->xflag &= ~COMMIT_LAZY; } diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 4b372f55065..cff60c17194 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -750,7 +750,7 @@ static struct file_system_type jfs_fs_type = { .fs_flags = FS_REQUIRES_DEV, }; -static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct jfs_inode_info *jfs_ip = (struct jfs_inode_info *) foo; diff --git a/fs/libfs.c b/fs/libfs.c index 5294de1f40c..ae51481e45e 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -351,8 +351,28 @@ int simple_prepare_write(struct file *file, struct page *page, return 0; } -int simple_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +int simple_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + struct page *page; + pgoff_t index; + unsigned from; + + index = pos >> PAGE_CACHE_SHIFT; + from = pos & (PAGE_CACHE_SIZE - 1); + + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + + *pagep = page; + + return simple_prepare_write(file, page, from, from+len); +} + +static int simple_commit_write(struct file *file, struct page *page, + unsigned from, unsigned to) { struct inode *inode = page->mapping->host; loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; @@ -369,6 +389,28 @@ int simple_commit_write(struct file *file, struct page *page, return 0; } +int simple_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + unsigned from = pos & (PAGE_CACHE_SIZE - 1); + + /* zero the stale part of the page if we did a short copy */ + if (copied < len) { + void *kaddr = kmap_atomic(page, KM_USER0); + memset(kaddr + from + copied, 0, len - copied); + flush_dcache_page(page); + kunmap_atomic(kaddr, KM_USER0); + } + + simple_commit_write(file, page, from, from+copied); + + unlock_page(page); + page_cache_release(page); + + return copied; +} + /* * the inodes created here are not hashed. If you use iunique to generate * unique inode values later for this filesystem, then you must take care @@ -642,7 +684,8 @@ EXPORT_SYMBOL(dcache_dir_open); EXPORT_SYMBOL(dcache_readdir); EXPORT_SYMBOL(generic_read_dir); EXPORT_SYMBOL(get_sb_pseudo); -EXPORT_SYMBOL(simple_commit_write); +EXPORT_SYMBOL(simple_write_begin); +EXPORT_SYMBOL(simple_write_end); EXPORT_SYMBOL(simple_dir_inode_operations); EXPORT_SYMBOL(simple_dir_operations); EXPORT_SYMBOL(simple_empty); diff --git a/fs/locks.c b/fs/locks.c index 7f9a3ea4741..0127a284681 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -199,7 +199,7 @@ EXPORT_SYMBOL(locks_init_lock); * Initialises the fields of the file lock which are invariant for * free file_locks. */ -static void init_once(void *foo, struct kmem_cache *cache, unsigned long flags) +static void init_once(struct kmem_cache *cache, void *foo) { struct file_lock *lock = (struct file_lock *) foo; diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index 99a12f12776..703cc35e04b 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -17,7 +17,7 @@ #include <linux/bitops.h> #include <linux/sched.h> -static int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 }; +static const int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 }; static unsigned long count_free(struct buffer_head *map[], unsigned numblocks, __u32 numbits) { diff --git a/fs/minix/dir.c b/fs/minix/dir.c index e207cbe7095..f70433816a3 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -9,8 +9,10 @@ */ #include "minix.h" +#include <linux/buffer_head.h> #include <linux/highmem.h> #include <linux/smp_lock.h> +#include <linux/swap.h> typedef struct minix_dir_entry minix_dirent; typedef struct minix3_dir_entry minix3_dirent; @@ -48,11 +50,17 @@ static inline unsigned long dir_pages(struct inode *inode) return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT; } -static int dir_commit_chunk(struct page *page, unsigned from, unsigned to) +static int dir_commit_chunk(struct page *page, loff_t pos, unsigned len) { - struct inode *dir = (struct inode *)page->mapping->host; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; int err = 0; - page->mapping->a_ops->commit_write(NULL, page, from, to); + block_write_end(NULL, mapping, pos, len, len, page, NULL); + + if (pos+len > dir->i_size) { + i_size_write(dir, pos+len); + mark_inode_dirty(dir); + } if (IS_DIRSYNC(dir)) err = write_one_page(page, 1); else @@ -220,7 +228,7 @@ int minix_add_link(struct dentry *dentry, struct inode *inode) char *kaddr, *p; minix_dirent *de; minix3_dirent *de3; - unsigned from, to; + loff_t pos; int err; char *namx = NULL; __u32 inumber; @@ -272,9 +280,9 @@ int minix_add_link(struct dentry *dentry, struct inode *inode) return -EINVAL; got_it: - from = p - (char*)page_address(page); - to = from + sbi->s_dirsize; - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + pos = (page->index >> PAGE_CACHE_SHIFT) + p - (char*)page_address(page); + err = __minix_write_begin(NULL, page->mapping, pos, sbi->s_dirsize, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) goto out_unlock; memcpy (namx, name, namelen); @@ -285,7 +293,7 @@ got_it: memset (namx + namelen, 0, sbi->s_dirsize - namelen - 2); de->inode = inode->i_ino; } - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, sbi->s_dirsize); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(dir); out_put: @@ -302,15 +310,16 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page) struct address_space *mapping = page->mapping; struct inode *inode = (struct inode*)mapping->host; char *kaddr = page_address(page); - unsigned from = (char*)de - kaddr; - unsigned to = from + minix_sb(inode->i_sb)->s_dirsize; + loff_t pos = page_offset(page) + (char*)de - kaddr; + unsigned len = minix_sb(inode->i_sb)->s_dirsize; int err; lock_page(page); - err = mapping->a_ops->prepare_write(NULL, page, from, to); + err = __minix_write_begin(NULL, mapping, pos, len, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err == 0) { de->inode = 0; - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, len); } else { unlock_page(page); } @@ -330,7 +339,8 @@ int minix_make_empty(struct inode *inode, struct inode *dir) if (!page) return -ENOMEM; - err = mapping->a_ops->prepare_write(NULL, page, 0, 2 * sbi->s_dirsize); + err = __minix_write_begin(NULL, mapping, 0, 2 * sbi->s_dirsize, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) { unlock_page(page); goto fail; @@ -421,17 +431,20 @@ not_empty: void minix_set_link(struct minix_dir_entry *de, struct page *page, struct inode *inode) { - struct inode *dir = (struct inode*)page->mapping->host; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; struct minix_sb_info *sbi = minix_sb(dir->i_sb); - unsigned from = (char *)de-(char*)page_address(page); - unsigned to = from + sbi->s_dirsize; + loff_t pos = page_offset(page) + + (char *)de-(char*)page_address(page); int err; lock_page(page); - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + + err = __minix_write_begin(NULL, mapping, pos, sbi->s_dirsize, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err == 0) { de->inode = inode->i_ino; - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, sbi->s_dirsize); } else { unlock_page(page); } diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 43668d7d668..bf4cd316af8 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -69,7 +69,7 @@ static void minix_destroy_inode(struct inode *inode) kmem_cache_free(minix_inode_cachep, minix_i(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct minix_inode_info *ei = (struct minix_inode_info *) foo; @@ -346,24 +346,39 @@ static int minix_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page, minix_get_block, wbc); } + static int minix_readpage(struct file *file, struct page *page) { return block_read_full_page(page,minix_get_block); } -static int minix_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) + +int __minix_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page,from,to,minix_get_block); + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + minix_get_block); } + +static int minix_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + *pagep = NULL; + return __minix_write_begin(file, mapping, pos, len, flags, pagep, fsdata); +} + static sector_t minix_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,minix_get_block); } + static const struct address_space_operations minix_aops = { .readpage = minix_readpage, .writepage = minix_writepage, .sync_page = block_sync_page, - .prepare_write = minix_prepare_write, - .commit_write = generic_commit_write, + .write_begin = minix_write_begin, + .write_end = generic_write_end, .bmap = minix_bmap }; diff --git a/fs/minix/itree_v1.c b/fs/minix/itree_v1.c index 1a5f3bf0bce..82d6554b02f 100644 --- a/fs/minix/itree_v1.c +++ b/fs/minix/itree_v1.c @@ -23,11 +23,16 @@ static inline block_t *i_data(struct inode *inode) static int block_to_path(struct inode * inode, long block, int offsets[DEPTH]) { int n = 0; + char b[BDEVNAME_SIZE]; if (block < 0) { - printk("minix_bmap: block<0\n"); + printk("MINIX-fs: block_to_path: block %ld < 0 on dev %s\n", + block, bdevname(inode->i_sb->s_bdev, b)); } else if (block >= (minix_sb(inode->i_sb)->s_max_size/BLOCK_SIZE)) { - printk("minix_bmap: block>big\n"); + if (printk_ratelimit()) + printk("MINIX-fs: block_to_path: " + "block %ld too big on dev %s\n", + block, bdevname(inode->i_sb->s_bdev, b)); } else if (block < 7) { offsets[n++] = block; } else if ((block -= 7) < 512) { diff --git a/fs/minix/itree_v2.c b/fs/minix/itree_v2.c index ad8f0dec4ef..f2301096936 100644 --- a/fs/minix/itree_v2.c +++ b/fs/minix/itree_v2.c @@ -23,12 +23,17 @@ static inline block_t *i_data(struct inode *inode) static int block_to_path(struct inode * inode, long block, int offsets[DEPTH]) { int n = 0; + char b[BDEVNAME_SIZE]; struct super_block *sb = inode->i_sb; if (block < 0) { - printk("minix_bmap: block<0\n"); + printk("MINIX-fs: block_to_path: block %ld < 0 on dev %s\n", + block, bdevname(sb->s_bdev, b)); } else if (block >= (minix_sb(inode->i_sb)->s_max_size/sb->s_blocksize)) { - printk("minix_bmap: block>big\n"); + if (printk_ratelimit()) + printk("MINIX-fs: block_to_path: " + "block %ld too big on dev %s\n", + block, bdevname(sb->s_bdev, b)); } else if (block < 7) { offsets[n++] = block; } else if ((block -= 7) < 256) { diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 73ef84f8fb0..ac5d3a75cb0 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -54,6 +54,9 @@ extern int minix_new_block(struct inode * inode); extern void minix_free_block(struct inode *inode, unsigned long block); extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi); extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *); +extern int __minix_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); extern void V1_minix_truncate(struct inode *); extern void V2_minix_truncate(struct inode *); diff --git a/fs/mpage.c b/fs/mpage.c index b1c3e589050..d54f8f89722 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -379,31 +379,25 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages, struct bio *bio = NULL; unsigned page_idx; sector_t last_block_in_bio = 0; - struct pagevec lru_pvec; struct buffer_head map_bh; unsigned long first_logical_block = 0; clear_buffer_mapped(&map_bh); - pagevec_init(&lru_pvec, 0); for (page_idx = 0; page_idx < nr_pages; page_idx++) { struct page *page = list_entry(pages->prev, struct page, lru); prefetchw(&page->flags); list_del(&page->lru); - if (!add_to_page_cache(page, mapping, + if (!add_to_page_cache_lru(page, mapping, page->index, GFP_KERNEL)) { bio = do_mpage_readpage(bio, page, nr_pages - page_idx, &last_block_in_bio, &map_bh, &first_logical_block, get_block); - if (!pagevec_add(&lru_pvec, page)) - __pagevec_lru_add(&lru_pvec); - } else { - page_cache_release(page); } + page_cache_release(page); } - pagevec_lru_add(&lru_pvec); BUG_ON(!list_empty(pages)); if (bio) mpage_bio_submit(READ, bio); diff --git a/fs/namei.c b/fs/namei.c index a83160acd74..464eeccb675 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -30,7 +30,6 @@ #include <linux/capability.h> #include <linux/file.h> #include <linux/fcntl.h> -#include <linux/namei.h> #include <asm/namei.h> #include <asm/uaccess.h> @@ -228,10 +227,14 @@ int generic_permission(struct inode *inode, int mask, int permission(struct inode *inode, int mask, struct nameidata *nd) { - umode_t mode = inode->i_mode; int retval, submask; + struct vfsmount *mnt = NULL; + + if (nd) + mnt = nd->mnt; if (mask & MAY_WRITE) { + umode_t mode = inode->i_mode; /* * Nobody gets write access to a read-only fs. @@ -247,22 +250,34 @@ int permission(struct inode *inode, int mask, struct nameidata *nd) return -EACCES; } - - /* - * MAY_EXEC on regular files requires special handling: We override - * filesystem execute permissions if the mode bits aren't set or - * the fs is mounted with the "noexec" flag. - */ - if ((mask & MAY_EXEC) && S_ISREG(mode) && (!(mode & S_IXUGO) || - (nd && nd->mnt && (nd->mnt->mnt_flags & MNT_NOEXEC)))) - return -EACCES; + if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode)) { + /* + * MAY_EXEC on regular files is denied if the fs is mounted + * with the "noexec" flag. + */ + if (mnt && (mnt->mnt_flags & MNT_NOEXEC)) + return -EACCES; + } /* Ordinary permission routines do not understand MAY_APPEND. */ submask = mask & ~MAY_APPEND; - if (inode->i_op && inode->i_op->permission) + if (inode->i_op && inode->i_op->permission) { retval = inode->i_op->permission(inode, submask, nd); - else + if (!retval) { + /* + * Exec permission on a regular file is denied if none + * of the execute bits are set. + * + * This check should be done by the ->permission() + * method. + */ + if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode) && + !(inode->i_mode & S_IXUGO)) + return -EACCES; + } + } else { retval = generic_permission(inode, submask, NULL); + } if (retval) return retval; @@ -1273,7 +1288,8 @@ int __user_path_lookup_open(const char __user *name, unsigned int lookup_flags, return err; } -static inline struct dentry *__lookup_hash_kern(struct qstr *name, struct dentry *base, struct nameidata *nd) +static struct dentry *__lookup_hash(struct qstr *name, + struct dentry *base, struct nameidata *nd) { struct dentry *dentry; struct inode *inode; @@ -1313,31 +1329,18 @@ out: * needs parent already locked. Doesn't follow mounts. * SMP-safe. */ -static inline struct dentry * __lookup_hash(struct qstr *name, struct dentry *base, struct nameidata *nd) +static struct dentry *lookup_hash(struct nameidata *nd) { - struct dentry *dentry; - struct inode *inode; int err; - inode = base->d_inode; - - err = permission(inode, MAY_EXEC, nd); - dentry = ERR_PTR(err); + err = permission(nd->dentry->d_inode, MAY_EXEC, nd); if (err) - goto out; - - dentry = __lookup_hash_kern(name, base, nd); -out: - return dentry; -} - -static struct dentry *lookup_hash(struct nameidata *nd) -{ + return ERR_PTR(err); return __lookup_hash(&nd->last, nd->dentry, nd); } -/* SMP-safe */ -static inline int __lookup_one_len(const char *name, struct qstr *this, struct dentry *base, int len) +static int __lookup_one_len(const char *name, struct qstr *this, + struct dentry *base, int len) { unsigned long hash; unsigned int c; @@ -1358,6 +1361,17 @@ static inline int __lookup_one_len(const char *name, struct qstr *this, struct d return 0; } +/** + * lookup_one_len: filesystem helper to lookup single pathname component + * @name: pathname component to lookup + * @base: base directory to lookup from + * @len: maximum length @len should be interpreted to + * + * Note that this routine is purely a helper for filesystem useage and should + * not be called by generic code. Also note that by using this function to + * nameidata argument is passed to the filesystem methods and a filesystem + * using this helper needs to be prepared for that. + */ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len) { int err; @@ -1366,18 +1380,33 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len) err = __lookup_one_len(name, &this, base, len); if (err) return ERR_PTR(err); + + err = permission(base->d_inode, MAY_EXEC, NULL); + if (err) + return ERR_PTR(err); return __lookup_hash(&this, base, NULL); } -struct dentry *lookup_one_len_kern(const char *name, struct dentry *base, int len) +/** + * lookup_one_noperm - bad hack for sysfs + * @name: pathname component to lookup + * @base: base directory to lookup from + * + * This is a variant of lookup_one_len that doesn't perform any permission + * checks. It's a horrible hack to work around the braindead sysfs + * architecture and should not be used anywhere else. + * + * DON'T USE THIS FUNCTION EVER, thanks. + */ +struct dentry *lookup_one_noperm(const char *name, struct dentry *base) { int err; struct qstr this; - err = __lookup_one_len(name, &this, base, len); + err = __lookup_one_len(name, &this, base, strlen(name)); if (err) return ERR_PTR(err); - return __lookup_hash_kern(&this, base, NULL); + return __lookup_hash(&this, base, NULL); } int fastcall __user_walk_fd(int dfd, const char __user *name, unsigned flags, @@ -1579,10 +1608,6 @@ int may_open(struct nameidata *nd, int acc_mode, int flag) if (S_ISDIR(inode->i_mode) && (flag & FMODE_WRITE)) return -EISDIR; - error = vfs_permission(nd, acc_mode); - if (error) - return error; - /* * FIFO's, sockets and device files are special: they don't * actually live on the filesystem itself, and as such you @@ -1597,6 +1622,10 @@ int may_open(struct nameidata *nd, int acc_mode, int flag) flag &= ~O_TRUNC; } else if (IS_RDONLY(inode) && (flag & FMODE_WRITE)) return -EROFS; + + error = vfs_permission(nd, acc_mode); + if (error) + return error; /* * An append-only file must be opened in append mode for writing. */ @@ -2729,53 +2758,29 @@ int __page_symlink(struct inode *inode, const char *symname, int len, { struct address_space *mapping = inode->i_mapping; struct page *page; + void *fsdata; int err; char *kaddr; retry: - err = -ENOMEM; - page = find_or_create_page(mapping, 0, gfp_mask); - if (!page) - goto fail; - err = mapping->a_ops->prepare_write(NULL, page, 0, len-1); - if (err == AOP_TRUNCATED_PAGE) { - page_cache_release(page); - goto retry; - } + err = pagecache_write_begin(NULL, mapping, 0, len-1, + AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata); if (err) - goto fail_map; + goto fail; + kaddr = kmap_atomic(page, KM_USER0); memcpy(kaddr, symname, len-1); kunmap_atomic(kaddr, KM_USER0); - err = mapping->a_ops->commit_write(NULL, page, 0, len-1); - if (err == AOP_TRUNCATED_PAGE) { - page_cache_release(page); - goto retry; - } - if (err) - goto fail_map; - /* - * Notice that we are _not_ going to block here - end of page is - * unmapped, so this will only try to map the rest of page, see - * that it is unmapped (typically even will not look into inode - - * ->i_size will be enough for everything) and zero it out. - * OTOH it's obviously correct and should make the page up-to-date. - */ - if (!PageUptodate(page)) { - err = mapping->a_ops->readpage(NULL, page); - if (err != AOP_TRUNCATED_PAGE) - wait_on_page_locked(page); - } else { - unlock_page(page); - } - page_cache_release(page); + + err = pagecache_write_end(NULL, mapping, 0, len-1, len-1, + page, fsdata); if (err < 0) goto fail; + if (err < len-1) + goto retry; + mark_inode_dirty(inode); return 0; -fail_map: - unlock_page(page); - page_cache_release(page); fail: return err; } diff --git a/fs/namespace.c b/fs/namespace.c index ddbda13c2d3..07daa797259 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1791,7 +1791,7 @@ static void __init init_mount_tree(void) set_fs_root(current->fs, ns->root, ns->root->mnt_root); } -void __init mnt_init(unsigned long mempages) +void __init mnt_init(void) { struct list_head *d; unsigned int nr_hash; diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 7f8536dbded..e1cb70c643f 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -56,7 +56,7 @@ static void ncp_destroy_inode(struct inode *inode) kmem_cache_free(ncp_inode_cachep, NCP_FINFO(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct ncp_inode_info *ei = (struct ncp_inode_info *) foo; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index a532ee12740..70587f383f1 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -627,6 +627,7 @@ static void nfs_server_set_fsinfo(struct nfs_server *server, struct nfs_fsinfo * if (server->rsize > NFS_MAX_FILE_IO_SIZE) server->rsize = NFS_MAX_FILE_IO_SIZE; server->rpages = (server->rsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD; if (server->wsize > max_rpc_payload) @@ -677,6 +678,10 @@ static int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, str goto out_error; nfs_server_set_fsinfo(server, &fsinfo); + error = bdi_init(&server->backing_dev_info); + if (error) + goto out_error; + /* Get some general file system info */ if (server->namelen == 0) { @@ -756,6 +761,7 @@ void nfs_free_server(struct nfs_server *server) nfs_put_client(server->nfs_client); nfs_free_iostats(server->io_stats); + bdi_destroy(&server->backing_dev_info); kfree(server); nfs_release_automount_timer(); dprintk("<-- nfs_free_server()\n"); diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 08c7c7387fc..d29f90d00aa 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -306,27 +306,50 @@ nfs_fsync(struct file *file, struct dentry *dentry, int datasync) } /* - * This does the "real" work of the write. The generic routine has - * allocated the page, locked it, done all the page alignment stuff - * calculations etc. Now we should just copy the data from user - * space and write it back to the real medium.. + * This does the "real" work of the write. We must allocate and lock the + * page to be sent back to the generic routine, which then copies the + * data from user space. * * If the writer ends up delaying the write, the writer needs to * increment the page use counts until he is done with the page. */ -static int nfs_prepare_write(struct file *file, struct page *page, unsigned offset, unsigned to) +static int nfs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return nfs_flush_incompatible(file, page); + int ret; + pgoff_t index; + struct page *page; + index = pos >> PAGE_CACHE_SHIFT; + + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + + ret = nfs_flush_incompatible(file, page); + if (ret) { + unlock_page(page); + page_cache_release(page); + } + return ret; } -static int nfs_commit_write(struct file *file, struct page *page, unsigned offset, unsigned to) +static int nfs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - long status; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); + int status; lock_kernel(); - status = nfs_updatepage(file, page, offset, to-offset); + status = nfs_updatepage(file, page, offset, copied); unlock_kernel(); - return status; + + unlock_page(page); + page_cache_release(page); + + return status < 0 ? status : copied; } static void nfs_invalidate_page(struct page *page, unsigned long offset) @@ -354,8 +377,8 @@ const struct address_space_operations nfs_file_aops = { .set_page_dirty = __set_page_dirty_nobuffers, .writepage = nfs_writepage, .writepages = nfs_writepages, - .prepare_write = nfs_prepare_write, - .commit_write = nfs_commit_write, + .write_begin = nfs_write_begin, + .write_end = nfs_write_end, .invalidatepage = nfs_invalidate_page, .releasepage = nfs_release_page, #ifdef CONFIG_NFS_DIRECTIO @@ -369,18 +392,35 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page) struct file *filp = vma->vm_file; unsigned pagelen; int ret = -EINVAL; + void *fsdata; + struct address_space *mapping; + loff_t offset; lock_page(page); - if (page->mapping != vma->vm_file->f_path.dentry->d_inode->i_mapping) - goto out_unlock; + mapping = page->mapping; + if (mapping != vma->vm_file->f_path.dentry->d_inode->i_mapping) { + unlock_page(page); + return -EINVAL; + } pagelen = nfs_page_length(page); - if (pagelen == 0) - goto out_unlock; - ret = nfs_prepare_write(filp, page, 0, pagelen); - if (!ret) - ret = nfs_commit_write(filp, page, 0, pagelen); -out_unlock: + offset = (loff_t)page->index << PAGE_CACHE_SHIFT; unlock_page(page); + + /* + * we can use mapping after releasing the page lock, because: + * we hold mmap_sem on the fault path, which should pin the vma + * which should pin the file, which pins the dentry which should + * hold a reference on inode. + */ + + if (pagelen) { + struct page *page2 = NULL; + ret = nfs_write_begin(filp, mapping, offset, pagelen, + 0, &page2, &fsdata); + if (!ret) + ret = nfs_write_end(filp, mapping, offset, pagelen, + pagelen, page2, fsdata); + } return ret; } diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 035c769b715..6c22453d77a 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1154,7 +1154,7 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi) #endif } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct nfs_inode *nfsi = (struct nfs_inode *) foo; diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e2bb66c3440..0cf9d1cd9bd 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -242,10 +242,8 @@ static void nfs_end_page_writeback(struct page *page) struct nfs_server *nfss = NFS_SERVER(inode); end_page_writeback(page); - if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) { + if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) clear_bdi_congested(&nfss->backing_dev_info, WRITE); - congestion_end(WRITE); - } } /* @@ -449,6 +447,7 @@ nfs_mark_request_commit(struct nfs_page *req) NFS_PAGE_TAG_COMMIT); spin_unlock(&inode->i_lock); inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); + inc_bdi_stat(req->wb_page->mapping->backing_dev_info, BDI_RECLAIMABLE); __mark_inode_dirty(inode, I_DIRTY_DATASYNC); } @@ -535,6 +534,8 @@ static void nfs_cancel_commit_list(struct list_head *head) while(!list_empty(head)) { req = nfs_list_entry(head->next); dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); + dec_bdi_stat(req->wb_page->mapping->backing_dev_info, + BDI_RECLAIMABLE); nfs_list_remove_request(req); clear_bit(PG_NEED_COMMIT, &(req)->wb_flags); nfs_inode_remove_request(req); @@ -1195,6 +1196,8 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how) nfs_list_remove_request(req); nfs_mark_request_commit(req); dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); + dec_bdi_stat(req->wb_page->mapping->backing_dev_info, + BDI_RECLAIMABLE); nfs_clear_page_tag_locked(req); } return -ENOMEM; @@ -1220,6 +1223,8 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) nfs_list_remove_request(req); clear_bit(PG_NEED_COMMIT, &(req)->wb_flags); dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS); + dec_bdi_stat(req->wb_page->mapping->backing_dev_info, + BDI_RECLAIMABLE); dprintk("NFS: commit (%s/%Ld %d@%Ld)", req->wb_context->path.dentry->d_inode->i_sb->s_id, diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index cba899a3494..04b26672980 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -861,9 +861,9 @@ exp_get_fsid_key(svc_client *clp, int fsid) return exp_find_key(clp, FSID_NUM, fsidv, NULL); } -svc_export * -exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, - struct cache_req *reqp) +static svc_export *exp_get_by_name(svc_client *clp, struct vfsmount *mnt, + struct dentry *dentry, + struct cache_req *reqp) { struct svc_export *exp, key; int err; @@ -887,9 +887,9 @@ exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, /* * Find the export entry for a given dentry. */ -struct svc_export * -exp_parent(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, - struct cache_req *reqp) +static struct svc_export *exp_parent(svc_client *clp, struct vfsmount *mnt, + struct dentry *dentry, + struct cache_req *reqp) { svc_export *exp; @@ -1214,9 +1214,8 @@ out: return err; } -struct svc_export * -exp_find(struct auth_domain *clp, int fsid_type, u32 *fsidv, - struct cache_req *reqp) +static struct svc_export *exp_find(struct auth_domain *clp, int fsid_type, + u32 *fsidv, struct cache_req *reqp) { struct svc_export *exp; struct svc_expkey *ek = exp_find_key(clp, fsid_type, fsidv, reqp); diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 2a8d665b134..819545d2167 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -368,7 +368,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap, /* Revoke setuid/setgid bit on chown/chgrp */ if ((iap->ia_valid & ATTR_UID) && iap->ia_uid != inode->i_uid) - iap->ia_valid |= ATTR_KILL_SUID; + iap->ia_valid |= ATTR_KILL_SUID | ATTR_KILL_PRIV; if ((iap->ia_valid & ATTR_GID) && iap->ia_gid != inode->i_gid) iap->ia_valid |= ATTR_KILL_SGID; @@ -865,6 +865,15 @@ static int nfsd_direct_splice_actor(struct pipe_inode_info *pipe, return __splice_from_pipe(pipe, sd, nfsd_splice_actor); } +static inline int svc_msnfs(struct svc_fh *ffhp) +{ +#ifdef MSNFS + return (ffhp->fh_export->ex_flags & NFSEXP_MSNFS); +#else + return 0; +#endif +} + static __be32 nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, unsigned long *count) @@ -877,11 +886,9 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, err = nfserr_perm; inode = file->f_path.dentry->d_inode; -#ifdef MSNFS - if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) && - (!lock_may_read(inode, offset, *count))) + + if (svc_msnfs(fhp) && !lock_may_read(inode, offset, *count)) goto out; -#endif /* Get readahead parameters */ ra = nfsd_get_raparms(inode->i_sb->s_dev, inode->i_ino); @@ -930,7 +937,7 @@ out: static void kill_suid(struct dentry *dentry) { struct iattr ia; - ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID; + ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV; mutex_lock(&dentry->d_inode->i_mutex); notify_change(dentry, &ia); diff --git a/fs/nls/Kconfig b/fs/nls/Kconfig index 976ecccd6f5..a39edc41bec 100644 --- a/fs/nls/Kconfig +++ b/fs/nls/Kconfig @@ -2,10 +2,8 @@ # Native language support configuration # -menu "Native Language Support" - -config NLS - tristate "Base native language support" +menuconfig NLS + tristate "Native language support" ---help--- The base Native Language Support. A number of filesystems depend on it (e.g. FAT, JOLIET, NT, BEOS filesystems), as well @@ -17,9 +15,10 @@ config NLS To compile this code as a module, choose M here: the module will be called nls_base. +if NLS + config NLS_DEFAULT string "Default NLS Option" - depends on NLS default "iso8859-1" ---help--- The default NLS used when mounting file system. Note, that this is @@ -39,7 +38,6 @@ config NLS_DEFAULT config NLS_CODEPAGE_437 tristate "Codepage 437 (United States, Canada)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored @@ -52,7 +50,6 @@ config NLS_CODEPAGE_437 config NLS_CODEPAGE_737 tristate "Codepage 737 (Greek)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored @@ -65,7 +62,6 @@ config NLS_CODEPAGE_737 config NLS_CODEPAGE_775 tristate "Codepage 775 (Baltic Rim)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored @@ -79,7 +75,6 @@ config NLS_CODEPAGE_775 config NLS_CODEPAGE_850 tristate "Codepage 850 (Europe)" - depends on NLS ---help--- The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -96,7 +91,6 @@ config NLS_CODEPAGE_850 config NLS_CODEPAGE_852 tristate "Codepage 852 (Central/Eastern Europe)" - depends on NLS ---help--- The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -112,7 +106,6 @@ config NLS_CODEPAGE_852 config NLS_CODEPAGE_855 tristate "Codepage 855 (Cyrillic)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -124,7 +117,6 @@ config NLS_CODEPAGE_855 config NLS_CODEPAGE_857 tristate "Codepage 857 (Turkish)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -136,7 +128,6 @@ config NLS_CODEPAGE_857 config NLS_CODEPAGE_860 tristate "Codepage 860 (Portuguese)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -148,7 +139,6 @@ config NLS_CODEPAGE_860 config NLS_CODEPAGE_861 tristate "Codepage 861 (Icelandic)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -160,7 +150,6 @@ config NLS_CODEPAGE_861 config NLS_CODEPAGE_862 tristate "Codepage 862 (Hebrew)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -172,7 +161,6 @@ config NLS_CODEPAGE_862 config NLS_CODEPAGE_863 tristate "Codepage 863 (Canadian French)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -185,7 +173,6 @@ config NLS_CODEPAGE_863 config NLS_CODEPAGE_864 tristate "Codepage 864 (Arabic)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -197,7 +184,6 @@ config NLS_CODEPAGE_864 config NLS_CODEPAGE_865 tristate "Codepage 865 (Norwegian, Danish)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -210,7 +196,6 @@ config NLS_CODEPAGE_865 config NLS_CODEPAGE_866 tristate "Codepage 866 (Cyrillic/Russian)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -223,7 +208,6 @@ config NLS_CODEPAGE_866 config NLS_CODEPAGE_869 tristate "Codepage 869 (Greek)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -235,7 +219,6 @@ config NLS_CODEPAGE_869 config NLS_CODEPAGE_936 tristate "Simplified Chinese charset (CP936, GB2312)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -248,7 +231,6 @@ config NLS_CODEPAGE_936 config NLS_CODEPAGE_950 tristate "Traditional Chinese charset (Big5)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -261,7 +243,6 @@ config NLS_CODEPAGE_950 config NLS_CODEPAGE_932 tristate "Japanese charsets (Shift-JIS, EUC-JP)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -275,7 +256,6 @@ config NLS_CODEPAGE_932 config NLS_CODEPAGE_949 tristate "Korean charset (CP949, EUC-KR)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -287,7 +267,6 @@ config NLS_CODEPAGE_949 config NLS_CODEPAGE_874 tristate "Thai charset (CP874, TIS-620)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -299,7 +278,6 @@ config NLS_CODEPAGE_874 config NLS_ISO8859_8 tristate "Hebrew charsets (ISO-8859-8, CP1255)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -309,7 +287,6 @@ config NLS_ISO8859_8 config NLS_CODEPAGE_1250 tristate "Windows CP1250 (Slavic/Central European Languages)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CDROMs @@ -321,7 +298,6 @@ config NLS_CODEPAGE_1250 config NLS_CODEPAGE_1251 tristate "Windows CP1251 (Bulgarian, Belarusian)" - depends on NLS help The Microsoft FAT file system family can deal with filenames in native language character sets. These character sets are stored in @@ -334,7 +310,6 @@ config NLS_CODEPAGE_1251 config NLS_ASCII tristate "ASCII (United States)" - depends on NLS help An ASCII NLS module is needed if you want to override the DEFAULT NLS with this very basic charset and don't want any @@ -342,7 +317,6 @@ config NLS_ASCII config NLS_ISO8859_1 tristate "NLS ISO 8859-1 (Latin 1; Western European Languages)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -355,7 +329,6 @@ config NLS_ISO8859_1 config NLS_ISO8859_2 tristate "NLS ISO 8859-2 (Latin 2; Slavic/Central European Languages)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -367,7 +340,6 @@ config NLS_ISO8859_2 config NLS_ISO8859_3 tristate "NLS ISO 8859-3 (Latin 3; Esperanto, Galician, Maltese, Turkish)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -378,7 +350,6 @@ config NLS_ISO8859_3 config NLS_ISO8859_4 tristate "NLS ISO 8859-4 (Latin 4; old Baltic charset)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -389,7 +360,6 @@ config NLS_ISO8859_4 config NLS_ISO8859_5 tristate "NLS ISO 8859-5 (Cyrillic)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -401,7 +371,6 @@ config NLS_ISO8859_5 config NLS_ISO8859_6 tristate "NLS ISO 8859-6 (Arabic)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -411,7 +380,6 @@ config NLS_ISO8859_6 config NLS_ISO8859_7 tristate "NLS ISO 8859-7 (Modern Greek)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -421,7 +389,6 @@ config NLS_ISO8859_7 config NLS_ISO8859_9 tristate "NLS ISO 8859-9 (Latin 5; Turkish)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -432,7 +399,6 @@ config NLS_ISO8859_9 config NLS_ISO8859_13 tristate "NLS ISO 8859-13 (Latin 7; Baltic)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -443,7 +409,6 @@ config NLS_ISO8859_13 config NLS_ISO8859_14 tristate "NLS ISO 8859-14 (Latin 8; Celtic)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -455,7 +420,6 @@ config NLS_ISO8859_14 config NLS_ISO8859_15 tristate "NLS ISO 8859-15 (Latin 9; Western European Languages with Euro)" - depends on NLS ---help--- If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -472,7 +436,6 @@ config NLS_ISO8859_15 config NLS_KOI8_R tristate "NLS KOI8-R (Russian)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -482,7 +445,6 @@ config NLS_KOI8_R config NLS_KOI8_U tristate "NLS KOI8-U/RU (Ukrainian, Belarusian)" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -492,7 +454,6 @@ config NLS_KOI8_U config NLS_UTF8 tristate "NLS UTF-8" - depends on NLS help If you want to display filenames with native language characters from the Microsoft FAT file system family or from JOLIET CD-ROMs @@ -500,5 +461,4 @@ config NLS_UTF8 input/output character sets. Say Y here for the UTF-8 encoding of the Unicode/ISO9646 universal character set. -endmenu - +endif # NLS diff --git a/fs/nls/nls_ascii.c b/fs/nls/nls_ascii.c index 6993faea28a..7020e940f74 100644 --- a/fs/nls/nls_ascii.c +++ b/fs/nls/nls_ascii.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -56,7 +56,7 @@ static wchar_t charset2uni[256] = { 0x007c, 0x007d, 0x007e, 0x007f, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -75,11 +75,11 @@ static unsigned char page00[256] = { 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -98,7 +98,7 @@ static unsigned char charset2lower[256] = { 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, /* 0x78-0x7f */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -119,7 +119,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c index 7dfdab98729..e7905816c4c 100644 --- a/fs/nls/nls_base.c +++ b/fs/nls/nls_base.c @@ -34,7 +34,7 @@ struct utf8_table { long lval; }; -static struct utf8_table utf8_table[] = +static const struct utf8_table utf8_table[] = { {0x80, 0x00, 0*6, 0x7F, 0, /* 1 byte sequence */}, {0xE0, 0xC0, 1*6, 0x7FF, 0x80, /* 2 byte sequence */}, @@ -50,7 +50,7 @@ utf8_mbtowc(wchar_t *p, const __u8 *s, int n) { long l; int c0, c, nc; - struct utf8_table *t; + const struct utf8_table *t; nc = 0; c0 = *s; @@ -109,7 +109,7 @@ utf8_wctomb(__u8 *s, wchar_t wc, int maxlen) { long l; int c, nc; - struct utf8_table *t; + const struct utf8_table *t; if (s == 0) return 0; @@ -240,7 +240,7 @@ void unload_nls(struct nls_table *nls) module_put(nls->owner); } -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -323,7 +323,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x00fe, 0x00ff, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -359,11 +359,11 @@ static unsigned char page00[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00 }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -399,7 +399,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -438,7 +438,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp1250.c b/fs/nls/nls_cp1250.c index 570aa69846a..c8471fe78e4 100644 --- a/fs/nls/nls_cp1250.c +++ b/fs/nls/nls_cp1250.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x0163, 0x02d9, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0xfa, 0x00, 0xfc, 0xfd, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0xc3, 0xe3, 0xa5, 0xb9, 0xc6, 0xe6, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0xcf, 0xef, /* 0x08-0x0f */ 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -152,7 +152,7 @@ static unsigned char page01[256] = { }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page02[256] = { 0xa2, 0xff, 0x00, 0xb2, 0x00, 0xbd, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -210,7 +210,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -218,7 +218,7 @@ static unsigned char page21[256] = { 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -226,7 +226,7 @@ static unsigned char *page_uni2charset[256] = { page20, page21, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -262,7 +262,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -300,7 +300,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp1251.c b/fs/nls/nls_cp1251.c index f114afa069d..1939b46e772 100644 --- a/fs/nls/nls_cp1251.c +++ b/fs/nls/nls_cp1251.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x044c, 0x044d, 0x044e, 0x044f, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf, /* 0x00-0x07 */ 0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x00, 0xa1, 0x8f, /* 0x08-0x0f */ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page04[256] = { 0x00, 0xa5, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -166,7 +166,7 @@ static unsigned char page20[256] = { 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb9, 0x00, /* 0x10-0x17 */ @@ -174,7 +174,7 @@ static unsigned char page21[256] = { 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -182,7 +182,7 @@ static unsigned char *page_uni2charset[256] = { page20, page21, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -217,7 +217,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -254,7 +254,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp1255.c b/fs/nls/nls_cp1255.c index e57f2cbf5bc..8120ae2e091 100644 --- a/fs/nls/nls_cp1255.c +++ b/fs/nls/nls_cp1255.c @@ -11,7 +11,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -94,7 +94,7 @@ static wchar_t charset2uni[256] = { 0x0000, 0x0000, 0x0000, 0x0000, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -129,7 +129,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0xf0-0xf7 */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -152,7 +152,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char page05[256] = { +static const unsigned char page05[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -219,7 +219,7 @@ static unsigned char page05[256] = { 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0x00, 0x00, 0x00, /* 0xf0-0xf7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfd, 0xfe, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -245,7 +245,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0xa4, 0x00, 0x80, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb9, 0x00, /* 0x10-0x17 */ @@ -253,7 +253,7 @@ static unsigned char page21[256] = { 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, page05, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -261,7 +261,7 @@ static unsigned char *page_uni2charset[256] = { page20, page21, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -297,7 +297,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -335,7 +335,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp437.c b/fs/nls/nls_cp437.c index d41930ce4a4..ff37a4628ce 100644 --- a/fs/nls/nls_cp437.c +++ b/fs/nls/nls_cp437.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0x98, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -209,7 +209,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -225,7 +225,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -233,7 +233,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -258,7 +258,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -266,7 +266,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -302,7 +302,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -340,7 +340,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp737.c b/fs/nls/nls_cp737.c index d21f8790aa1..f5576b8be1b 100644 --- a/fs/nls/nls_cp737.c +++ b/fs/nls/nls_cp737.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -131,7 +131,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, /* 0xf0-0xf7 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -161,7 +161,7 @@ static unsigned char page03[256] = { 0xaf, 0xe0, 0xe4, 0xe8, 0xe6, 0xe7, 0xe9, 0x00, /* 0xc8-0xcf */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -180,7 +180,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, /* 0x78-0x7f */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -196,7 +196,7 @@ static unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -221,7 +221,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -229,7 +229,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -265,7 +265,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -303,7 +303,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp775.c b/fs/nls/nls_cp775.c index c97714c38a9..4905635d1c0 100644 --- a/fs/nls/nls_cp775.c +++ b/fs/nls/nls_cp775.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00b3, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x9b, 0x00, 0x00, 0x00, 0x81, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0xa0, 0x83, 0x00, 0x00, 0xb5, 0xd0, 0x80, 0x87, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xb6, 0xd1, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0xed, 0x89, 0x00, 0x00, 0xb8, 0xd3, /* 0x10-0x17 */ @@ -151,21 +151,21 @@ static unsigned char page01[256] = { 0x00, 0x8d, 0xa5, 0xa3, 0xa4, 0xcf, 0xd8, 0x00, /* 0x78-0x7f */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 0x00, 0xef, 0x00, 0x00, 0xf2, 0xa6, 0xf7, 0x00, /* 0x18-0x1f */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 0x00, 0xf9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -190,7 +190,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -198,7 +198,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -234,7 +234,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -272,7 +272,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp850.c b/fs/nls/nls_cp850.c index 843b7d975ba..fe5bdad50e2 100644 --- a/fs/nls/nls_cp850.c +++ b/fs/nls/nls_cp850.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00b3, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x9b, 0x97, 0xa3, 0x96, 0x81, 0xec, 0xe7, 0x98, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,13 +155,13 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, /* 0x10-0x17 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -186,7 +186,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -194,7 +194,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, NULL, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -230,7 +230,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -268,7 +268,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp852.c b/fs/nls/nls_cp852.c index 83cfd844d5c..ceb1c0166dd 100644 --- a/fs/nls/nls_cp852.c +++ b/fs/nls/nls_cp852.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x0158, 0x0159, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0xa3, 0x00, 0x81, 0xec, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0xc6, 0xc7, 0xa4, 0xa5, 0x8f, 0x86, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xac, 0x9f, 0xd2, 0xd4, /* 0x08-0x0f */ 0xd1, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -151,7 +151,7 @@ static unsigned char page01[256] = { 0x00, 0x8d, 0xab, 0xbd, 0xbe, 0xa6, 0xa7, 0x00, /* 0x78-0x7f */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -183,7 +183,7 @@ static unsigned char page02[256] = { 0xf4, 0xfa, 0x00, 0xf2, 0x00, 0xf1, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -208,7 +208,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -216,7 +216,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -252,7 +252,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfd, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -290,7 +290,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp855.c b/fs/nls/nls_cp855.c index 9190b7b574f..cc7f5fb2e0c 100644 --- a/fs/nls/nls_cp855.c +++ b/fs/nls/nls_cp855.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x0427, 0x00a7, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -124,7 +124,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0xaf, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0x85, 0x81, 0x83, 0x87, 0x89, 0x8b, 0x8d, /* 0x00-0x07 */ 0x8f, 0x91, 0x93, 0x95, 0x97, 0x00, 0x99, 0x9b, /* 0x08-0x0f */ 0xa1, 0xa3, 0xec, 0xad, 0xa7, 0xa9, 0xea, 0xf4, /* 0x10-0x17 */ @@ -139,13 +139,13 @@ static unsigned char page04[256] = { 0x8e, 0x90, 0x92, 0x94, 0x96, 0x00, 0x98, 0x9a, /* 0x58-0x5f */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xef, 0x00, /* 0x10-0x17 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -170,7 +170,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -178,7 +178,7 @@ static unsigned char *page_uni2charset[256] = { NULL, page21, NULL, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -214,7 +214,7 @@ static unsigned char charset2lower[256] = { 0xf7, 0xf9, 0xf9, 0xfb, 0xfb, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -252,7 +252,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp857.c b/fs/nls/nls_cp857.c index ef3d36db808..e418e198e8d 100644 --- a/fs/nls/nls_cp857.c +++ b/fs/nls/nls_cp857.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00b3, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x9b, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0xed, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -147,7 +147,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, 0x9f, /* 0x58-0x5f */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -172,7 +172,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -180,7 +180,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -216,7 +216,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -254,7 +254,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp860.c b/fs/nls/nls_cp860.c index 7e2fb664589..a86c97d1aa3 100644 --- a/fs/nls/nls_cp860.c +++ b/fs/nls/nls_cp860.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x97, 0xa3, 0x00, 0x81, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -161,7 +161,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -186,7 +186,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -202,7 +202,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -210,7 +210,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -235,7 +235,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -243,7 +243,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -279,7 +279,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -317,7 +317,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp861.c b/fs/nls/nls_cp861.c index 66d8d808ccf..bd920227acd 100644 --- a/fs/nls/nls_cp861.c +++ b/fs/nls/nls_cp861.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x9b, 0x00, 0xa3, 0x96, 0x81, 0x98, 0x95, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -209,7 +209,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -225,7 +225,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -233,7 +233,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -258,7 +258,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -266,7 +266,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -302,7 +302,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -340,7 +340,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp862.c b/fs/nls/nls_cp862.c index 360ba388485..e9b68eb3daf 100644 --- a/fs/nls/nls_cp862.c +++ b/fs/nls/nls_cp862.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0xa3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page05[256] = { +static const unsigned char page05[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -218,7 +218,7 @@ static unsigned char page05[256] = { 0x98, 0x99, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -243,7 +243,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -259,7 +259,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -267,7 +267,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -292,7 +292,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, page03, NULL, page05, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -300,7 +300,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -336,7 +336,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -374,7 +374,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp863.c b/fs/nls/nls_cp863.c index 656a93113e3..f8a9b07ab4e 100644 --- a/fs/nls/nls_cp863.c +++ b/fs/nls/nls_cp863.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8d, /* 0x10-0x17 */ @@ -203,7 +203,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, /* 0x78-0x7f */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -219,7 +219,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -227,7 +227,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -252,7 +252,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -260,7 +260,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -296,7 +296,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -334,7 +334,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp864.c b/fs/nls/nls_cp864.c index 01ca7309753..8d31f435fc6 100644 --- a/fs/nls/nls_cp864.c +++ b/fs/nls/nls_cp864.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0xfed9, 0xfef1, 0x25a0, 0x0000, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -131,7 +131,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdd, /* 0xf0-0xf7 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -160,7 +160,7 @@ static unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x92, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page06[256] = { +static const unsigned char page06[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xac, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -177,7 +177,7 @@ static unsigned char page06[256] = { 0xb8, 0xb9, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -190,7 +190,7 @@ static unsigned char page22[256] = { 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0x85, 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x8c, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -215,7 +215,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char pagefe[256] = { +static const unsigned char pagefe[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -251,7 +251,7 @@ static unsigned char pagefe[256] = { 0x9a, 0x00, 0x00, 0x9d, 0x9e, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, page03, NULL, NULL, page06, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -286,7 +286,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, pagefe, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -322,7 +322,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -360,7 +360,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp865.c b/fs/nls/nls_cp865.c index 5ba6ee13e10..4bd902fe3ec 100644 --- a/fs/nls/nls_cp865.c +++ b/fs/nls/nls_cp865.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x207f, 0x00b2, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x9b, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0x98, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -155,7 +155,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -184,7 +184,7 @@ static unsigned char page03[256] = { 0xe3, 0x00, 0x00, 0xe5, 0xe7, 0x00, 0xed, 0x00, /* 0xc0-0xc7 */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -209,7 +209,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xa0-0xa7 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -225,7 +225,7 @@ static unsigned char page22[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf3, 0xf2, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -233,7 +233,7 @@ static unsigned char page23[256] = { 0xf4, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -258,7 +258,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -266,7 +266,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -302,7 +302,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -340,7 +340,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp866.c b/fs/nls/nls_cp866.c index c5f82221c9f..bdc7cb39139 100644 --- a/fs/nls/nls_cp866.c +++ b/fs/nls/nls_cp866.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x2116, 0x00a4, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -123,7 +123,7 @@ static unsigned char page00[256] = { 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfa, /* 0xb0-0xb7 */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0xf0, 0x00, 0x00, 0xf2, 0x00, 0x00, 0xf4, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0x00, /* 0x08-0x0f */ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x10-0x17 */ @@ -138,20 +138,20 @@ static unsigned char page04[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf7, 0x00, /* 0x58-0x5f */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, /* 0x10-0x17 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 0x00, 0xf9, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -176,7 +176,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -184,7 +184,7 @@ static unsigned char *page_uni2charset[256] = { NULL, page21, page22, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -220,7 +220,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -258,7 +258,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp869.c b/fs/nls/nls_cp869.c index 8d4015124d1..9f283a2b151 100644 --- a/fs/nls/nls_cp869.c +++ b/fs/nls/nls_cp869.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x03b0, 0x03ce, 0x25a0, 0x00a0, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -124,7 +124,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0xaf, 0x00, 0xab, 0x00, 0x00, /* 0xb8-0xbf */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -154,14 +154,14 @@ static unsigned char page03[256] = { 0xf6, 0xfa, 0xa0, 0xfb, 0xa2, 0xa3, 0xfd, 0x00, /* 0xc8-0xcf */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, /* 0x10-0x17 */ 0x8b, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -186,7 +186,7 @@ static unsigned char page25[256] = { 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -194,7 +194,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, NULL, NULL, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -230,7 +230,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -268,7 +268,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp874.c b/fs/nls/nls_cp874.c index df042052c2d..0b3c4886f8c 100644 --- a/fs/nls/nls_cp874.c +++ b/fs/nls/nls_cp874.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x0000, 0x0000, 0x0000, 0x0000, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -121,7 +121,7 @@ static unsigned char page00[256] = { 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char page0e[256] = { +static const unsigned char page0e[256] = { 0x00, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x08-0x0f */ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */ @@ -136,7 +136,7 @@ static unsigned char page0e[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -144,7 +144,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, page0e, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -152,7 +152,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -188,7 +188,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -226,7 +226,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_cp932.c b/fs/nls/nls_cp932.c index 2a9ccf3bc7e..0ffed6f1ceb 100644 --- a/fs/nls/nls_cp932.c +++ b/fs/nls/nls_cp932.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t c2u_81[256] = { +static const wchar_t c2u_81[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -49,7 +49,7 @@ static wchar_t c2u_81[256] = { 0x0000,0x0000,0x0000,0x0000,0x25EF,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_82[256] = { +static const wchar_t c2u_82[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -84,7 +84,7 @@ static wchar_t c2u_82[256] = { 0x3092,0x3093,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_83[256] = { +static const wchar_t c2u_83[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -115,7 +115,7 @@ static wchar_t c2u_83[256] = { 0x03C3,0x03C4,0x03C5,0x03C6,0x03C7,0x03C8,0x03C9,0x0000,/* 0xD0-0xD7 */ }; -static wchar_t c2u_84[256] = { +static const wchar_t c2u_84[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -143,7 +143,7 @@ static wchar_t c2u_84[256] = { 0x2537,0x253F,0x251D,0x2530,0x2525,0x2538,0x2542,0x0000,/* 0xB8-0xBF */ }; -static wchar_t c2u_87[256] = { +static const wchar_t c2u_87[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -167,7 +167,7 @@ static wchar_t c2u_87[256] = { 0x221F,0x22BF,0x2235,0x2229,0x222A,0x0000,0x0000,0x0000,/* 0x98-0x9F */ }; -static wchar_t c2u_88[256] = { +static const wchar_t c2u_88[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -203,7 +203,7 @@ static wchar_t c2u_88[256] = { 0x5F15,0x98F2,0x6DEB,0x80E4,0x852D,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_89[256] = { +static const wchar_t c2u_89[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -239,7 +239,7 @@ static wchar_t c2u_89[256] = { 0x6062,0x61D0,0x6212,0x62D0,0x6539,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8A[256] = { +static const wchar_t c2u_8A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -275,7 +275,7 @@ static wchar_t c2u_8A[256] = { 0x65D7,0x65E2,0x671F,0x68CB,0x68C4,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8B[256] = { +static const wchar_t c2u_8B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -311,7 +311,7 @@ static wchar_t c2u_8B[256] = { 0x4E32,0x6ADB,0x91E7,0x5C51,0x5C48,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8C[256] = { +static const wchar_t c2u_8C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -347,7 +347,7 @@ static wchar_t c2u_8C[256] = { 0x52B9,0x52FE,0x539A,0x53E3,0x5411,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8D[256] = { +static const wchar_t c2u_8D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -383,7 +383,7 @@ static wchar_t c2u_8D[256] = { 0x9BAD,0x7B39,0x5319,0x518A,0x5237,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8E[256] = { +static const wchar_t c2u_8E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -419,7 +419,7 @@ static wchar_t c2u_8E[256] = { 0x7DAC,0x9700,0x56DA,0x53CE,0x5468,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8F[256] = { +static const wchar_t c2u_8F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -455,7 +455,7 @@ static wchar_t c2u_8F[256] = { 0x91B8,0x9320,0x5631,0x57F4,0x98FE,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_90[256] = { +static const wchar_t c2u_90[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -491,7 +491,7 @@ static wchar_t c2u_90[256] = { 0x717D,0x65CB,0x7A7F,0x7BAD,0x7DDA,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_91[256] = { +static const wchar_t c2u_91[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -527,7 +527,7 @@ static wchar_t c2u_91[256] = { 0x8AFE,0x8338,0x51E7,0x86F8,0x53EA,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_92[256] = { +static const wchar_t c2u_92[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -563,7 +563,7 @@ static wchar_t c2u_92[256] = { 0x8247,0x8A02,0x8AE6,0x8E44,0x9013,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_93[256] = { +static const wchar_t c2u_93[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -599,7 +599,7 @@ static wchar_t c2u_93[256] = { 0x8679,0x5EFF,0x65E5,0x4E73,0x5165,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_94[256] = { +static const wchar_t c2u_94[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -635,7 +635,7 @@ static wchar_t c2u_94[256] = { 0x6787,0x6BD8,0x7435,0x7709,0x7F8E,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_95[256] = { +static const wchar_t c2u_95[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -671,7 +671,7 @@ static wchar_t c2u_95[256] = { 0x62B1,0x6367,0x653E,0x65B9,0x670B,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_96[256] = { +static const wchar_t c2u_96[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -707,7 +707,7 @@ static wchar_t c2u_96[256] = { 0x9453,0x6109,0x6108,0x6CB9,0x7652,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_97[256] = { +static const wchar_t c2u_97[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -743,7 +743,7 @@ static wchar_t c2u_97[256] = { 0x6F23,0x7149,0x7C3E,0x7DF4,0x806F,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_98[256] = { +static const wchar_t c2u_98[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -779,7 +779,7 @@ static wchar_t c2u_98[256] = { 0x5080,0x509A,0x5085,0x50B4,0x50B2,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_99[256] = { +static const wchar_t c2u_99[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -815,7 +815,7 @@ static wchar_t c2u_99[256] = { 0x54A5,0x54AC,0x54C4,0x54C8,0x54A8,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9A[256] = { +static const wchar_t c2u_9A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -851,7 +851,7 @@ static wchar_t c2u_9A[256] = { 0x5962,0x5960,0x5967,0x596C,0x5969,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9B[256] = { +static const wchar_t c2u_9B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -887,7 +887,7 @@ static wchar_t c2u_9B[256] = { 0x5EC1,0x5EC2,0x5EC8,0x5ED0,0x5ECF,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9C[256] = { +static const wchar_t c2u_9C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -923,7 +923,7 @@ static wchar_t c2u_9C[256] = { 0x6209,0x620D,0x620C,0x6214,0x621B,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9D[256] = { +static const wchar_t c2u_9D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -959,7 +959,7 @@ static wchar_t c2u_9D[256] = { 0x66C1,0x66B9,0x66C9,0x66BE,0x66BC,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9E[256] = { +static const wchar_t c2u_9E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -995,7 +995,7 @@ static wchar_t c2u_9E[256] = { 0x6A8D,0x6AA0,0x6A84,0x6AA2,0x6AA3,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9F[256] = { +static const wchar_t c2u_9F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1031,7 +1031,7 @@ static wchar_t c2u_9F[256] = { 0x6EF2,0x6F31,0x6EEF,0x6F32,0x6ECC,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E0[256] = { +static const wchar_t c2u_E0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1067,7 +1067,7 @@ static wchar_t c2u_E0[256] = { 0x74A7,0x74CA,0x74CF,0x74D4,0x73F1,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E1[256] = { +static const wchar_t c2u_E1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1103,7 +1103,7 @@ static wchar_t c2u_E1[256] = { 0x78BE,0x78BC,0x78C5,0x78CA,0x78EC,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E2[256] = { +static const wchar_t c2u_E2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1139,7 +1139,7 @@ static wchar_t c2u_E2[256] = { 0x7CF2,0x7CF4,0x7CF6,0x7CFA,0x7D06,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E3[256] = { +static const wchar_t c2u_E3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1175,7 +1175,7 @@ static wchar_t c2u_E3[256] = { 0x811B,0x8129,0x8123,0x812F,0x814B,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E4[256] = { +static const wchar_t c2u_E4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1211,7 +1211,7 @@ static wchar_t c2u_E4[256] = { 0x84FC,0x8540,0x8563,0x8558,0x8548,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E5[256] = { +static const wchar_t c2u_E5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1247,7 +1247,7 @@ static wchar_t c2u_E5[256] = { 0x8938,0x894C,0x891D,0x8960,0x895E,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E6[256] = { +static const wchar_t c2u_E6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1283,7 +1283,7 @@ static wchar_t c2u_E6[256] = { 0x8E42,0x8E35,0x8E30,0x8E34,0x8E4A,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E7[256] = { +static const wchar_t c2u_E7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1319,7 +1319,7 @@ static wchar_t c2u_E7[256] = { 0x92E9,0x930F,0x92FA,0x9344,0x932E,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E8[256] = { +static const wchar_t c2u_E8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1355,7 +1355,7 @@ static wchar_t c2u_E8[256] = { 0x984F,0x984B,0x986B,0x986F,0x9870,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E9[256] = { +static const wchar_t c2u_E9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1391,7 +1391,7 @@ static wchar_t c2u_E9[256] = { 0x9D41,0x9D3F,0x9D3E,0x9D46,0x9D48,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EA[256] = { +static const wchar_t c2u_EA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1416,7 +1416,7 @@ static wchar_t c2u_EA[256] = { 0x69C7,0x9059,0x7464,0x51DC,0x7199,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_ED[256] = { +static const wchar_t c2u_ED[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1452,7 +1452,7 @@ static wchar_t c2u_ED[256] = { 0x7147,0xFA15,0x71C1,0x71FE,0x72B1,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EE[256] = { +static const wchar_t c2u_EE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1488,7 +1488,7 @@ static wchar_t c2u_EE[256] = { 0x2179,0xFFE2,0xFFE4,0xFF07,0xFF02,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FA[256] = { +static const wchar_t c2u_FA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1524,7 +1524,7 @@ static wchar_t c2u_FA[256] = { 0x6C6F,0x6CDA,0x6D04,0x6D87,0x6D6F,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FB[256] = { +static const wchar_t c2u_FB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1560,7 +1560,7 @@ static wchar_t c2u_FB[256] = { 0x9927,0xFA2C,0x999E,0x9A4E,0x9AD9,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FC[256] = { +static const wchar_t c2u_FC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1573,7 +1573,7 @@ static wchar_t c2u_FC[256] = { 0x9D6B,0xFA2D,0x9E19,0x9ED1,0x0000,0x0000,0x0000,0x0000,/* 0x48-0x4F */ }; -static wchar_t *page_charset2uni[256] = { +static const wchar_t *page_charset2uni[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -1608,7 +1608,7 @@ static wchar_t *page_charset2uni[256] = { NULL, NULL, c2u_FA, c2u_FB, c2u_FC, NULL, NULL, NULL, }; -static unsigned char u2c_00hi[256 - 0xA0][2] = { +static const unsigned char u2c_00hi[256 - 0xA0][2] = { {0x00, 0x00}, {0x00, 0x00}, {0x81, 0x91}, {0x81, 0x92},/* 0xA0-0xA3 */ {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}, {0x81, 0x98},/* 0xA4-0xA7 */ {0x81, 0x4E}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00},/* 0xA8-0xAB */ @@ -1635,7 +1635,7 @@ static unsigned char u2c_00hi[256 - 0xA0][2] = { {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00},/* 0xFC-0xFF */ }; -static unsigned char u2c_03[512] = { +static const unsigned char u2c_03[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1690,7 +1690,7 @@ static unsigned char u2c_03[512] = { 0x83, 0xD5, 0x83, 0xD6, 0x00, 0x00, 0x00, 0x00, /* 0xC8-0xCB */ }; -static unsigned char u2c_04[512] = { +static const unsigned char u2c_04[512] = { 0x00, 0x00, 0x84, 0x46, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1714,7 +1714,7 @@ static unsigned char u2c_04[512] = { 0x00, 0x00, 0x84, 0x76, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x53 */ }; -static unsigned char u2c_20[512] = { +static const unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1732,7 +1732,7 @@ static unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0xA6, /* 0x38-0x3B */ }; -static unsigned char u2c_21[512] = { +static const unsigned char u2c_21[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x8E, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1790,7 +1790,7 @@ static unsigned char u2c_21[512] = { 0x81, 0xCC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xD4-0xD7 */ }; -static unsigned char u2c_22[512] = { +static const unsigned char u2c_22[512] = { 0x81, 0xCD, 0x00, 0x00, 0x81, 0xDD, 0x81, 0xCE, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0xDE, /* 0x04-0x07 */ 0x81, 0xB8, 0x00, 0x00, 0x00, 0x00, 0x81, 0xB9, /* 0x08-0x0B */ @@ -1842,7 +1842,7 @@ static unsigned char u2c_22[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87, 0x99, /* 0xBC-0xBF */ }; -static unsigned char u2c_23[512] = { +static const unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1850,7 +1850,7 @@ static unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0x81, 0xDC, 0x00, 0x00, /* 0x10-0x13 */ }; -static unsigned char u2c_24[512] = { +static const unsigned char u2c_24[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1882,7 +1882,7 @@ static unsigned char u2c_24[512] = { 0x87, 0x50, 0x87, 0x51, 0x87, 0x52, 0x87, 0x53, /* 0x70-0x73 */ }; -static unsigned char u2c_25[512] = { +static const unsigned char u2c_25[512] = { 0x84, 0x9F, 0x84, 0xAA, 0x84, 0xA0, 0x84, 0xAB, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1946,7 +1946,7 @@ static unsigned char u2c_25[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0xFC, /* 0xEC-0xEF */ }; -static unsigned char u2c_26[512] = { +static const unsigned char u2c_26[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x81, 0x9A, 0x81, 0x99, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -1977,7 +1977,7 @@ static unsigned char u2c_26[512] = { 0x00, 0x00, 0x81, 0xF3, 0x00, 0x00, 0x81, 0xF2, /* 0x6C-0x6F */ }; -static unsigned char u2c_30[512] = { +static const unsigned char u2c_30[512] = { 0x81, 0x40, 0x81, 0x41, 0x81, 0x42, 0x81, 0x56, /* 0x00-0x03 */ 0x00, 0x00, 0x81, 0x58, 0x81, 0x59, 0x81, 0x5A, /* 0x04-0x07 */ 0x81, 0x71, 0x81, 0x72, 0x81, 0x73, 0x81, 0x74, /* 0x08-0x0B */ @@ -2045,7 +2045,7 @@ static unsigned char u2c_30[512] = { 0x81, 0x5B, 0x81, 0x52, 0x81, 0x53, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_32[512] = { +static const unsigned char u2c_32[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2092,7 +2092,7 @@ static unsigned char u2c_32[512] = { 0x87, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xA8-0xAB */ }; -static unsigned char u2c_33[512] = { +static const unsigned char u2c_33[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87, 0x65, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2148,7 +2148,7 @@ static unsigned char u2c_33[512] = { 0x00, 0x00, 0x87, 0x83, 0x00, 0x00, 0x00, 0x00, /* 0xCC-0xCF */ }; -static unsigned char u2c_4E[512] = { +static const unsigned char u2c_4E[512] = { 0x88, 0xEA, 0x92, 0x9A, 0x00, 0x00, 0x8E, 0xB5, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x96, 0x9C, /* 0x04-0x07 */ 0x8F, 0xE4, 0x8E, 0x4F, 0x8F, 0xE3, 0x89, 0xBA, /* 0x08-0x0B */ @@ -2216,7 +2216,7 @@ static unsigned char u2c_4E[512] = { 0xED, 0x4E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_4F[512] = { +static const unsigned char u2c_4F[512] = { 0xED, 0x4F, 0x8A, 0xE9, 0x00, 0x00, 0xED, 0x50, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x98, 0xC2, 0x88, 0xC9, 0x00, 0x00, /* 0x08-0x0B */ @@ -2284,7 +2284,7 @@ static unsigned char u2c_4F[512] = { 0x00, 0x00, 0x00, 0x00, 0x98, 0xEA, 0xED, 0x5A, /* 0xFC-0xFF */ }; -static unsigned char u2c_50[512] = { +static const unsigned char u2c_50[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x98, 0xE4, 0x98, 0xED, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x91, 0x71, 0x00, 0x00, 0x8C, 0xC2, /* 0x08-0x0B */ @@ -2351,7 +2351,7 @@ static unsigned char u2c_50[512] = { 0x00, 0x00, 0x99, 0x4A, 0x00, 0x00, 0x95, 0xC6, /* 0xF8-0xFB */ }; -static unsigned char u2c_51[512] = { +static const unsigned char u2c_51[512] = { 0x8B, 0x56, 0x99, 0x4D, 0x99, 0x4E, 0x00, 0x00, /* 0x00-0x03 */ 0x89, 0xAD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x99, 0x4C, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2419,7 +2419,7 @@ static unsigned char u2c_51[512] = { 0x00, 0x00, 0x94, 0x9F, 0x99, 0x82, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_52[512] = { +static const unsigned char u2c_52[512] = { 0x93, 0x81, 0x00, 0x00, 0x00, 0x00, 0x90, 0x6E, /* 0x00-0x03 */ 0x99, 0x83, 0x00, 0x00, 0x95, 0xAA, 0x90, 0xD8, /* 0x04-0x07 */ 0x8A, 0xA0, 0x00, 0x00, 0x8A, 0xA7, 0x99, 0x84, /* 0x08-0x0B */ @@ -2487,7 +2487,7 @@ static unsigned char u2c_52[512] = { 0x00, 0x00, 0x00, 0x00, 0x8C, 0xF9, 0x96, 0xDC, /* 0xFC-0xFF */ }; -static unsigned char u2c_53[512] = { +static const unsigned char u2c_53[512] = { 0xED, 0x6C, 0x96, 0xE6, 0x93, 0xF5, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x95, 0xEF, 0x99, 0xB0, 0xED, 0x6D, /* 0x04-0x07 */ 0x99, 0xB1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2554,7 +2554,7 @@ static unsigned char u2c_53[512] = { 0x8E, 0x69, 0x00, 0x00, 0x99, 0xDB, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_54[512] = { +static const unsigned char u2c_54[512] = { 0x00, 0x00, 0x99, 0xDC, 0x00, 0x00, 0x8B, 0x68, /* 0x00-0x03 */ 0x8A, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x8D, 0x87, 0x8B, 0x67, 0x92, 0xDD, 0x89, 0x44, /* 0x08-0x0B */ @@ -2622,7 +2622,7 @@ static unsigned char u2c_54[512] = { 0x00, 0x00, 0x9A, 0x4A, 0x00, 0x00, 0xED, 0x77, /* 0xFC-0xFF */ }; -static unsigned char u2c_55[512] = { +static const unsigned char u2c_55[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x89, 0x53, 0x00, 0x00, 0x8D, 0xB4, 0x90, 0x4F, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2690,7 +2690,7 @@ static unsigned char u2c_55[512] = { 0x00, 0x00, 0x9A, 0x75, 0x9A, 0x74, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_56[512] = { +static const unsigned char u2c_56[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x92, 0x51, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x89, 0xC3, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -2758,7 +2758,7 @@ static unsigned char u2c_56[512] = { 0x00, 0x00, 0x8D, 0x91, 0x00, 0x00, 0x9A, 0x9C, /* 0xFC-0xFF */ }; -static unsigned char u2c_57[512] = { +static const unsigned char u2c_57[512] = { 0x9A, 0x9B, 0x00, 0x00, 0x00, 0x00, 0x95, 0xDE, /* 0x00-0x03 */ 0x9A, 0x9D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x9A, 0x9F, 0x9A, 0x9E, 0x00, 0x00, 0x9A, 0xA0, /* 0x08-0x0B */ @@ -2826,7 +2826,7 @@ static unsigned char u2c_57[512] = { 0x8D, 0xE9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_58[512] = { +static const unsigned char u2c_58[512] = { 0x96, 0x78, 0x00, 0x00, 0x93, 0xB0, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x8C, 0x98, 0x91, 0xCD, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x9A, 0xBF, 0x9A, 0xC2, /* 0x08-0x0B */ @@ -2894,7 +2894,7 @@ static unsigned char u2c_58[512] = { 0x9A, 0xE5, 0x9A, 0xE6, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_59[512] = { +static const unsigned char u2c_59[512] = { 0x00, 0x00, 0x00, 0x00, 0x9A, 0xE7, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x95, 0xCF, 0x9A, 0xE8, 0xED, 0x83, /* 0x08-0x0B */ @@ -2962,7 +2962,7 @@ static unsigned char u2c_59[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8E, 0x70, /* 0xFC-0xFF */ }; -static unsigned char u2c_5A[512] = { +static const unsigned char u2c_5A[512] = { 0x00, 0x00, 0x88, 0xD0, 0x00, 0x00, 0x88, 0xA1, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x9B, 0x51, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3029,7 +3029,7 @@ static unsigned char u2c_5A[512] = { 0x00, 0x00, 0x00, 0x00, 0x9B, 0x65, 0x9B, 0x66, /* 0xF8-0xFB */ }; -static unsigned char u2c_5B[512] = { +static const unsigned char u2c_5B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x8A, 0xF0, 0x00, 0x00, 0x9B, 0x68, /* 0x08-0x0B */ @@ -3097,7 +3097,7 @@ static unsigned char u2c_5B[512] = { 0x00, 0x00, 0x00, 0x00, 0x91, 0xCE, 0x8E, 0xF5, /* 0xFC-0xFF */ }; -static unsigned char u2c_5C[512] = { +static const unsigned char u2c_5C[512] = { 0x00, 0x00, 0x95, 0x95, 0x90, 0xEA, 0x00, 0x00, /* 0x00-0x03 */ 0x8E, 0xCB, 0x9B, 0x91, 0x8F, 0xAB, 0x9B, 0x92, /* 0x04-0x07 */ 0x9B, 0x93, 0x88, 0xD1, 0x91, 0xB8, 0x90, 0x71, /* 0x08-0x0B */ @@ -3165,7 +3165,7 @@ static unsigned char u2c_5C[512] = { 0x00, 0x00, 0x9B, 0xB5, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_5D[512] = { +static const unsigned char u2c_5D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x92, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9B, 0xBA, /* 0x08-0x0B */ @@ -3233,7 +3233,7 @@ static unsigned char u2c_5D[512] = { 0x00, 0x00, 0x92, 0x46, 0x8B, 0xD0, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_5E[512] = { +static const unsigned char u2c_5E[512] = { 0x00, 0x00, 0x00, 0x00, 0x8E, 0x73, 0x95, 0x7A, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x94, 0xBF, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9B, 0xE1, /* 0x08-0x0B */ @@ -3301,7 +3301,7 @@ static unsigned char u2c_5E[512] = { 0x94, 0x55, 0x00, 0x00, 0x9C, 0x4F, 0x93, 0xF9, /* 0xFC-0xFF */ }; -static unsigned char u2c_5F[512] = { +static const unsigned char u2c_5F[512] = { 0x00, 0x00, 0x95, 0xD9, 0x00, 0x00, 0x9C, 0x50, /* 0x00-0x03 */ 0x98, 0x4D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x9C, 0x51, 0x95, 0xBE, 0x9C, 0x54, /* 0x08-0x0B */ @@ -3369,7 +3369,7 @@ static unsigned char u2c_5F[512] = { 0x00, 0x00, 0x8D, 0x9A, 0x00, 0x00, 0x9C, 0x7C, /* 0xFC-0xFF */ }; -static unsigned char u2c_60[512] = { +static const unsigned char u2c_60[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3436,7 +3436,7 @@ static unsigned char u2c_60[512] = { 0x00, 0x00, 0x8E, 0xE4, 0x9C, 0xB7, 0x9C, 0xBA, /* 0xF8-0xFB */ }; -static unsigned char u2c_61[512] = { +static const unsigned char u2c_61[512] = { 0x9C, 0xB5, 0x8F, 0x44, 0x00, 0x00, 0x9C, 0xB8, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x9C, 0xB2, 0x00, 0x00, /* 0x04-0x07 */ 0x96, 0xFA, 0x96, 0xF9, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3504,7 +3504,7 @@ static unsigned char u2c_61[512] = { 0x9C, 0xF4, 0x9C, 0xF3, 0x9C, 0xF5, 0x9C, 0xF2, /* 0xFC-0xFF */ }; -static unsigned char u2c_62[512] = { +static const unsigned char u2c_62[512] = { 0x9C, 0xF6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x9C, 0xF7, 0x9C, 0xF8, 0x95, 0xE8, 0x00, 0x00, /* 0x08-0x0B */ @@ -3572,7 +3572,7 @@ static unsigned char u2c_62[512] = { 0x00, 0x00, 0x00, 0x00, 0x8F, 0x45, 0x9D, 0x5C, /* 0xFC-0xFF */ }; -static unsigned char u2c_63[512] = { +static const unsigned char u2c_63[512] = { 0x00, 0x00, 0x8E, 0x9D, 0x9D, 0x6B, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8E, 0x77, /* 0x04-0x07 */ 0x9D, 0x6C, 0x88, 0xC2, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3639,7 +3639,7 @@ static unsigned char u2c_63[512] = { 0x00, 0x00, 0x00, 0x00, 0x97, 0x68, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_64[512] = { +static const unsigned char u2c_64[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x9D, 0x8C, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3707,7 +3707,7 @@ static unsigned char u2c_64[512] = { 0x00, 0x00, 0x9D, 0xB4, 0x8F, 0xEF, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_65[512] = { +static const unsigned char u2c_65[512] = { 0x9D, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x9D, 0xB7, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3774,7 +3774,7 @@ static unsigned char u2c_65[512] = { 0x00, 0x00, 0x00, 0x00, 0x89, 0xA0, 0x9D, 0xDF, /* 0xF8-0xFB */ }; -static unsigned char u2c_66[512] = { +static const unsigned char u2c_66[512] = { 0xED, 0xB2, 0x00, 0x00, 0x8D, 0x56, 0x9D, 0xDE, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x8D, 0xA9, 0x8F, 0xB8, /* 0x04-0x07 */ 0x00, 0x00, 0xED, 0xB5, 0x9D, 0xDD, 0x00, 0x00, /* 0x08-0x0B */ @@ -3842,7 +3842,7 @@ static unsigned char u2c_66[512] = { 0x99, 0xD6, 0x91, 0x5D, 0x91, 0x5C, 0x91, 0xD6, /* 0xFC-0xFF */ }; -static unsigned char u2c_67[512] = { +static const unsigned char u2c_67[512] = { 0x8D, 0xC5, 0x00, 0x00, 0x00, 0x00, 0x98, 0xF0, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x8C, 0x8E, 0x97, 0x4C, 0x00, 0x00, 0x95, 0xFC, /* 0x08-0x0B */ @@ -3910,7 +3910,7 @@ static unsigned char u2c_67[512] = { 0x00, 0x00, 0x00, 0x00, 0x96, 0x8F, 0x8A, 0x60, /* 0xFC-0xFF */ }; -static unsigned char u2c_68[512] = { +static const unsigned char u2c_68[512] = { 0x00, 0x00, 0xED, 0xC9, 0x92, 0xCC, 0x93, 0xC8, /* 0x00-0x03 */ 0x89, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3977,7 +3977,7 @@ static unsigned char u2c_68[512] = { 0x00, 0x00, 0x9E, 0xA8, 0x8A, 0xBB, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_69[512] = { +static const unsigned char u2c_69[512] = { 0x98, 0x6F, 0x9E, 0x96, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x9E, 0xA4, 0x88, 0xD6, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x9E, 0x98, 0x00, 0x00, 0x00, 0x00, 0x96, 0xB8, /* 0x08-0x0B */ @@ -4045,7 +4045,7 @@ static unsigned char u2c_69[512] = { 0x00, 0x00, 0x91, 0x85, 0x00, 0x00, 0x9E, 0xDB, /* 0xFC-0xFF */ }; -static unsigned char u2c_6A[512] = { +static const unsigned char u2c_6A[512] = { 0x00, 0x00, 0x00, 0x00, 0x9E, 0xD9, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x9E, 0xE0, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x9E, 0xE6, 0x94, 0xF3, /* 0x08-0x0B */ @@ -4112,7 +4112,7 @@ static unsigned char u2c_6A[512] = { 0x00, 0x00, 0x00, 0x00, 0x9F, 0x51, 0x9F, 0x4E, /* 0xF8-0xFB */ }; -static unsigned char u2c_6B[512] = { +static const unsigned char u2c_6B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x97, 0x93, 0x9F, 0x4F, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x9E, 0xDC, 0x00, 0x00, /* 0x08-0x0B */ @@ -4177,7 +4177,7 @@ static unsigned char u2c_6B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9F, 0x7D, /* 0xF0-0xF3 */ }; -static unsigned char u2c_6C[512] = { +static const unsigned char u2c_6C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x9F, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4242,7 +4242,7 @@ static unsigned char u2c_6C[512] = { 0x91, 0xD7, 0x9F, 0x96, 0x00, 0x00, 0x89, 0x6A, /* 0xF0-0xF3 */ }; -static unsigned char u2c_6D[512] = { +static const unsigned char u2c_6D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xED, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x97, 0x6D, /* 0x08-0x0B */ @@ -4310,7 +4310,7 @@ static unsigned char u2c_6D[512] = { 0xED, 0xE6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_6E[512] = { +static const unsigned char u2c_6E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x90, 0xB4, 0x00, 0x00, 0x8A, 0x89, /* 0x04-0x07 */ 0x8D, 0xCF, 0x8F, 0xC2, 0x9F, 0xBB, 0x8F, 0x61, /* 0x08-0x0B */ @@ -4378,7 +4378,7 @@ static unsigned char u2c_6E[512] = { 0x00, 0x00, 0x00, 0x00, 0x9F, 0xF6, 0x9F, 0xDE, /* 0xFC-0xFF */ }; -static unsigned char u2c_6F[512] = { +static const unsigned char u2c_6F[512] = { 0x00, 0x00, 0x8B, 0x99, 0x95, 0x59, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x8E, 0xBD, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x8D, 0x97, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4446,7 +4446,7 @@ static unsigned char u2c_6F[512] = { 0x00, 0x00, 0x00, 0x00, 0xE0, 0x68, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_70[512] = { +static const unsigned char u2c_70[512] = { 0x00, 0x00, 0xE0, 0x66, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xED, 0xEF, 0x00, 0x00, 0xED, 0xF0, /* 0x04-0x07 */ 0x00, 0x00, 0xE0, 0x62, 0x00, 0x00, 0xE0, 0x63, /* 0x08-0x0B */ @@ -4514,7 +4514,7 @@ static unsigned char u2c_70[512] = { 0x00, 0x00, 0xE0, 0x82, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_71[512] = { +static const unsigned char u2c_71[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xED, 0xF5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE0, 0x81, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4582,7 +4582,7 @@ static unsigned char u2c_71[512] = { 0xE0, 0x9E, 0x00, 0x00, 0xED, 0xFB, 0xE0, 0xA0, /* 0xFC-0xFF */ }; -static unsigned char u2c_72[512] = { +static const unsigned char u2c_72[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x94, 0x9A, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4650,7 +4650,7 @@ static unsigned char u2c_72[512] = { 0x98, 0x54, 0x94, 0x82, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_73[512] = { +static const unsigned char u2c_73[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE0, 0xC7, 0x00, 0x00, /* 0x08-0x0B */ @@ -4718,7 +4718,7 @@ static unsigned char u2c_73[512] = { 0x00, 0x00, 0x00, 0x00, 0x8C, 0xBB, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_74[512] = { +static const unsigned char u2c_74[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8B, 0x85, /* 0x00-0x03 */ 0x00, 0x00, 0xE0, 0xE4, 0x97, 0x9D, 0xEE, 0x49, /* 0x04-0x07 */ 0x00, 0x00, 0x97, 0xAE, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4785,7 +4785,7 @@ static unsigned char u2c_74[512] = { 0xE1, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_75[512] = { +static const unsigned char u2c_75[512] = { 0x00, 0x00, 0xEE, 0x52, 0x00, 0x00, 0xE1, 0x4B, /* 0x00-0x03 */ 0xE1, 0x4A, 0xE1, 0x4C, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4853,7 +4853,7 @@ static unsigned char u2c_75[512] = { 0xE1, 0x80, 0x00, 0x00, 0xE1, 0x7D, 0xE1, 0x7E, /* 0xFC-0xFF */ }; -static unsigned char u2c_76[512] = { +static const unsigned char u2c_76[512] = { 0x00, 0x00, 0xE1, 0x81, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE1, 0x88, 0x00, 0x00, 0xE1, 0x86, /* 0x08-0x0B */ @@ -4921,7 +4921,7 @@ static unsigned char u2c_76[512] = { 0x00, 0x00, 0x00, 0x00, 0x8F, 0x82, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_77[512] = { +static const unsigned char u2c_77[512] = { 0x00, 0x00, 0x8F, 0xC8, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE1, 0xBE, 0x00, 0x00, 0x00, 0x00, 0xE1, 0xBD, /* 0x04-0x07 */ 0xE1, 0xBC, 0x94, 0xFB, 0x00, 0x00, 0x8A, 0xC5, /* 0x08-0x0B */ @@ -4989,7 +4989,7 @@ static unsigned char u2c_77[512] = { 0xE1, 0xE3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_78[512] = { +static const unsigned char u2c_78[512] = { 0x00, 0x00, 0x00, 0x00, 0x8D, 0xBB, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5057,7 +5057,7 @@ static unsigned char u2c_78[512] = { 0x00, 0x00, 0xE2, 0x42, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_79[512] = { +static const unsigned char u2c_79[512] = { 0x00, 0x00, 0x8F, 0xCA, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE2, 0x44, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5124,7 +5124,7 @@ static unsigned char u2c_79[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0xDA, /* 0xF8-0xFB */ }; -static unsigned char u2c_7A[512] = { +static const unsigned char u2c_7A[512] = { 0x8B, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xE2, 0x62, 0x00, 0x00, 0x00, 0x00, 0x92, 0xF6, /* 0x08-0x0B */ @@ -5192,7 +5192,7 @@ static unsigned char u2c_7A[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8A, 0xC6, /* 0xFC-0xFF */ }; -static unsigned char u2c_7B[512] = { +static const unsigned char u2c_7B[512] = { 0x00, 0x00, 0x00, 0x00, 0xE2, 0x93, 0x00, 0x00, /* 0x00-0x03 */ 0xE2, 0xA0, 0x00, 0x00, 0xE2, 0x96, 0x00, 0x00, /* 0x04-0x07 */ 0x8B, 0x88, 0x00, 0x00, 0xE2, 0x95, 0xE2, 0xA2, /* 0x08-0x0B */ @@ -5258,7 +5258,7 @@ static unsigned char u2c_7B[512] = { 0x00, 0x00, 0x00, 0x00, 0xE2, 0xCC, 0xE2, 0xC9, /* 0xF4-0xF7 */ }; -static unsigned char u2c_7C[512] = { +static const unsigned char u2c_7C[512] = { 0xE2, 0xC5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE2, 0xC6, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5326,7 +5326,7 @@ static unsigned char u2c_7C[512] = { 0x00, 0x00, 0x00, 0x00, 0x8B, 0x8A, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_7D[512] = { +static const unsigned char u2c_7D[512] = { 0x8B, 0x49, 0x00, 0x00, 0xE3, 0x40, 0x00, 0x00, /* 0x00-0x03 */ 0x96, 0xF1, 0x8D, 0x67, 0xE2, 0xFC, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE3, 0x43, 0x96, 0xE4, /* 0x08-0x0B */ @@ -5393,7 +5393,7 @@ static unsigned char u2c_7D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, 0x6B, /* 0xF8-0xFB */ }; -static unsigned char u2c_7E[512] = { +static const unsigned char u2c_7E[512] = { 0x00, 0x00, 0x89, 0x8F, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x93, 0xEA, 0xE3, 0x6E, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE3, 0x75, 0xE3, 0x6F, 0xE3, 0x76, /* 0x08-0x0B */ @@ -5437,7 +5437,7 @@ static unsigned char u2c_7E[512] = { 0xE3, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x9C-0x9F */ }; -static unsigned char u2c_7F[512] = { +static const unsigned char u2c_7F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5505,7 +5505,7 @@ static unsigned char u2c_7F[512] = { 0x97, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_80[512] = { +static const unsigned char u2c_80[512] = { 0x97, 0x73, 0x98, 0x56, 0x00, 0x00, 0x8D, 0x6C, /* 0x00-0x03 */ 0xE3, 0xCC, 0x8E, 0xD2, 0xE3, 0xCB, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, 0xCD, /* 0x08-0x0B */ @@ -5573,7 +5573,7 @@ static unsigned char u2c_80[512] = { 0xE4, 0x45, 0x94, 0x5C, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_81[512] = { +static const unsigned char u2c_81[512] = { 0x00, 0x00, 0x00, 0x00, 0x8E, 0x89, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x8B, 0xBA, 0x90, 0xC6, 0x98, 0x65, /* 0x04-0x07 */ 0x96, 0xAC, 0xE3, 0xF5, 0x90, 0xD2, 0x00, 0x00, /* 0x08-0x0B */ @@ -5641,7 +5641,7 @@ static unsigned char u2c_81[512] = { 0x89, 0x50, 0x00, 0x00, 0xE4, 0x6B, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_82[512] = { +static const unsigned char u2c_82[512] = { 0x00, 0x00, 0xE4, 0x6C, 0xE4, 0x6D, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE4, 0x6E, 0x00, 0x00, 0xE4, 0x6F, /* 0x04-0x07 */ 0x8B, 0xBB, 0x9D, 0xA8, 0xE4, 0x70, 0x00, 0x00, /* 0x08-0x0B */ @@ -5708,7 +5708,7 @@ static unsigned char u2c_82[512] = { 0x00, 0x00, 0xE4, 0x99, 0xE4, 0x95, 0xE4, 0x98, /* 0xF8-0xFB */ }; -static unsigned char u2c_83[512] = { +static const unsigned char u2c_83[512] = { 0x00, 0x00, 0xEE, 0x76, 0x96, 0xCE, 0xE4, 0x97, /* 0x00-0x03 */ 0x89, 0xD6, 0x8A, 0x9D, 0xE4, 0x9B, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE4, 0x9D, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5776,7 +5776,7 @@ static unsigned char u2c_83[512] = { 0x00, 0x00, 0xE4, 0xC1, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_84[512] = { +static const unsigned char u2c_84[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE4, 0xC2, /* 0x00-0x03 */ 0x93, 0xB8, 0x00, 0x00, 0x00, 0x00, 0xE4, 0xC7, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE4, 0xC4, /* 0x08-0x0B */ @@ -5844,7 +5844,7 @@ static unsigned char u2c_84[512] = { 0xE4, 0xF8, 0x00, 0x00, 0x00, 0x00, 0xE4, 0xF0, /* 0xFC-0xFF */ }; -static unsigned char u2c_85[512] = { +static const unsigned char u2c_85[512] = { 0x8E, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xE4, 0xCF, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5912,7 +5912,7 @@ static unsigned char u2c_85[512] = { 0x00, 0x00, 0x00, 0x00, 0xE5, 0x60, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_86[512] = { +static const unsigned char u2c_86[512] = { 0x00, 0x00, 0x00, 0x00, 0xE5, 0x41, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xE5, 0x62, 0x91, 0x68, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE5, 0x5D, 0xE5, 0x5F, /* 0x08-0x0B */ @@ -5980,7 +5980,7 @@ static unsigned char u2c_86[512] = { 0x00, 0x00, 0x00, 0x00, 0x89, 0xE9, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_87[512] = { +static const unsigned char u2c_87[512] = { 0xE5, 0x86, 0x00, 0x00, 0x96, 0x49, 0xE5, 0x87, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xE5, 0x84, 0x00, 0x00, /* 0x04-0x07 */ 0xE5, 0x85, 0xE5, 0x8A, 0xE5, 0x8D, 0x00, 0x00, /* 0x08-0x0B */ @@ -6048,7 +6048,7 @@ static unsigned char u2c_87[512] = { 0x00, 0x00, 0x00, 0x00, 0xE5, 0xB7, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_88[512] = { +static const unsigned char u2c_88[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE5, 0xA2, 0x00, 0x00, 0xEE, 0x85, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6116,7 +6116,7 @@ static unsigned char u2c_88[512] = { 0xE5, 0xE7, 0x90, 0xBB, 0x90, 0x9E, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_89[512] = { +static const unsigned char u2c_89[512] = { 0x00, 0x00, 0x00, 0x00, 0xE5, 0xE6, 0x00, 0x00, /* 0x00-0x03 */ 0xE5, 0xEB, 0x00, 0x00, 0x00, 0x00, 0x95, 0xA1, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE5, 0xED, 0x00, 0x00, /* 0x08-0x0B */ @@ -6183,7 +6183,7 @@ static unsigned char u2c_89[512] = { 0xE6, 0x5C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_8A[512] = { +static const unsigned char u2c_8A[512] = { 0x8C, 0xBE, 0x00, 0x00, 0x92, 0xF9, 0xE6, 0x5D, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x8C, 0x76, 0x00, 0x00, 0x90, 0x75, 0x00, 0x00, /* 0x08-0x0B */ @@ -6251,7 +6251,7 @@ static unsigned char u2c_8A[512] = { 0x00, 0x00, 0x00, 0x00, 0x91, 0xF8, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8B[512] = { +static const unsigned char u2c_8B[512] = { 0x96, 0x64, 0x89, 0x79, 0x88, 0xE0, 0x00, 0x00, /* 0x00-0x03 */ 0x93, 0xA3, 0x00, 0x00, 0x00, 0x00, 0xE6, 0x89, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6294,7 +6294,7 @@ static unsigned char u2c_8B[512] = { 0x00, 0x00, 0xE6, 0xAA, 0xE6, 0xAB, 0x00, 0x00, /* 0x98-0x9B */ }; -static unsigned char u2c_8C[512] = { +static const unsigned char u2c_8C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6362,7 +6362,7 @@ static unsigned char u2c_8C[512] = { 0x8D, 0x77, 0xE6, 0xCE, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8D[512] = { +static const unsigned char u2c_8D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE6, 0xD1, 0xE6, 0xD2, 0x00, 0x00, 0xE6, 0xD4, /* 0x04-0x07 */ 0x91, 0xA1, 0x00, 0x00, 0xE6, 0xD3, 0x8A, 0xE4, /* 0x08-0x0B */ @@ -6430,7 +6430,7 @@ static unsigned char u2c_8D[512] = { 0xE6, 0xF0, 0x00, 0x00, 0x00, 0x00, 0xE6, 0xF3, /* 0xFC-0xFF */ }; -static unsigned char u2c_8E[512] = { +static const unsigned char u2c_8E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xE6, 0xF1, 0xE6, 0xF2, 0x97, 0x78, 0x00, 0x00, /* 0x08-0x0B */ @@ -6498,7 +6498,7 @@ static unsigned char u2c_8E[512] = { 0xE7, 0x64, 0x8C, 0x79, 0xE7, 0x67, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8F[512] = { +static const unsigned char u2c_8F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8A, 0x72, /* 0x00-0x03 */ 0x00, 0x00, 0xE7, 0x69, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x8D, 0xDA, 0xE7, 0x68, 0x00, 0x00, /* 0x08-0x0B */ @@ -6566,7 +6566,7 @@ static unsigned char u2c_8F[512] = { 0x00, 0x00, 0x92, 0xC7, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_90[512] = { +static const unsigned char u2c_90[512] = { 0x91, 0xDE, 0x91, 0x97, 0x00, 0x00, 0x93, 0xA6, /* 0x00-0x03 */ 0x00, 0x00, 0xE7, 0x90, 0x8B, 0x74, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE7, 0x99, /* 0x08-0x0B */ @@ -6634,7 +6634,7 @@ static unsigned char u2c_90[512] = { 0x00, 0x00, 0x93, 0x73, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_91[512] = { +static const unsigned char u2c_91[512] = { 0x00, 0x00, 0x00, 0x00, 0xE7, 0xBD, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6702,7 +6702,7 @@ static unsigned char u2c_91[512] = { 0xE7, 0xDD, 0x00, 0x00, 0x00, 0x00, 0xE7, 0xE1, /* 0xFC-0xFF */ }; -static unsigned char u2c_92[512] = { +static const unsigned char u2c_92[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xEE, 0xA5, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xEE, 0xA7, 0x00, 0x00, /* 0x08-0x0B */ @@ -6770,7 +6770,7 @@ static unsigned char u2c_92[512] = { 0x8D, 0x7C, 0x00, 0x00, 0x00, 0x00, 0xEE, 0xC0, /* 0xFC-0xFF */ }; -static unsigned char u2c_93[512] = { +static const unsigned char u2c_93[512] = { 0x00, 0x00, 0x00, 0x00, 0xEE, 0xC2, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x8E, 0x4B, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6837,7 +6837,7 @@ static unsigned char u2c_93[512] = { 0xEE, 0xC8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_94[512] = { +static const unsigned char u2c_94[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE8, 0x5E, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE8, 0x5F, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6874,7 +6874,7 @@ static unsigned char u2c_94[512] = { 0x00, 0x00, 0xE8, 0x76, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x83 */ }; -static unsigned char u2c_95[512] = { +static const unsigned char u2c_95[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6936,7 +6936,7 @@ static unsigned char u2c_95[512] = { 0x00, 0x00, 0xE8, 0x92, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char u2c_96[512] = { +static const unsigned char u2c_96[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7003,7 +7003,7 @@ static unsigned char u2c_96[512] = { 0x00, 0x00, 0xE8, 0xB9, 0x00, 0x00, 0x93, 0x64, /* 0xF8-0xFB */ }; -static unsigned char u2c_97[512] = { +static const unsigned char u2c_97[512] = { 0x8E, 0xF9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE8, 0xBA, 0x00, 0x00, 0xE8, 0xBB, 0x90, 0x6B, /* 0x04-0x07 */ 0xE8, 0xBC, 0x00, 0x00, 0x97, 0xEC, 0x00, 0x00, /* 0x08-0x0B */ @@ -7071,7 +7071,7 @@ static unsigned char u2c_97[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8B, 0xBF, /* 0xFC-0xFF */ }; -static unsigned char u2c_98[512] = { +static const unsigned char u2c_98[512] = { 0x00, 0x00, 0x95, 0xC5, 0x92, 0xB8, 0x8D, 0xA0, /* 0x00-0x03 */ 0x00, 0x00, 0x8D, 0x80, 0x8F, 0x87, 0x00, 0x00, /* 0x04-0x07 */ 0x90, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7139,7 +7139,7 @@ static unsigned char u2c_98[512] = { 0x8E, 0x94, 0x96, 0x4F, 0x8F, 0xFC, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_99[512] = { +static const unsigned char u2c_99[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE9, 0x4C, /* 0x00-0x03 */ 0x00, 0x00, 0x96, 0xDD, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE9, 0x4D, 0x97, 0x7B, 0x00, 0x00, /* 0x08-0x0B */ @@ -7207,7 +7207,7 @@ static unsigned char u2c_99[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8F, 0x78, /* 0xFC-0xFF */ }; -static unsigned char u2c_9A[512] = { +static const unsigned char u2c_9A[512] = { 0x00, 0x00, 0xE9, 0x74, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE9, 0x76, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7274,7 +7274,7 @@ static unsigned char u2c_9A[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE9, 0x9F, /* 0xF8-0xFB */ }; -static unsigned char u2c_9B[512] = { +static const unsigned char u2c_9B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xE9, 0xA0, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7340,7 +7340,7 @@ static unsigned char u2c_9B[512] = { 0x00, 0x00, 0x88, 0xB1, 0x00, 0x00, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_9C[512] = { +static const unsigned char u2c_9C[512] = { 0xEE, 0xE7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE9, 0xD8, 0x00, 0x00, 0xE9, 0xD4, 0x00, 0x00, /* 0x04-0x07 */ 0xE9, 0xD5, 0xE9, 0xD1, 0xE9, 0xD7, 0x00, 0x00, /* 0x08-0x0B */ @@ -7406,7 +7406,7 @@ static unsigned char u2c_9C[512] = { 0x96, 0xC2, 0x00, 0x00, 0x93, 0xCE, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_9D[512] = { +static const unsigned char u2c_9D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE9, 0xEE, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xE9, 0xEF, 0x93, 0xBC, /* 0x04-0x07 */ 0xE9, 0xEC, 0xE9, 0xEB, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7474,7 +7474,7 @@ static unsigned char u2c_9D[512] = { 0x00, 0x00, 0xEA, 0x5E, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_9E[512] = { +static const unsigned char u2c_9E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7542,7 +7542,7 @@ static unsigned char u2c_9E[512] = { 0xEA, 0x85, 0xEA, 0x86, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_9F[512] = { +static const unsigned char u2c_9F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEA, 0x87, /* 0x04-0x07 */ 0xEA, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7587,11 +7587,11 @@ static unsigned char u2c_9F[512] = { 0xEA, 0x9E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xA0-0xA3 */ }; -static unsigned char u2c_DC[512] = { +static const unsigned char u2c_DC[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ }; -static unsigned char u2c_F9[512] = { +static const unsigned char u2c_F9[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7651,7 +7651,7 @@ static unsigned char u2c_F9[512] = { 0xEE, 0xCD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xDC-0xDF */ }; -static unsigned char u2c_FA[512] = { +static const unsigned char u2c_FA[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7666,7 +7666,7 @@ static unsigned char u2c_FA[512] = { 0xEE, 0xDD, 0xEE, 0xEA, 0x00, 0x00, 0x00, 0x00, /* 0x2C-0x2F */ }; -static unsigned char u2c_FF[512] = { +static const unsigned char u2c_FF[512] = { 0x00, 0x00, 0x81, 0x49, 0xEE, 0xFC, 0x81, 0x94, /* 0x00-0x03 */ 0x81, 0x90, 0x81, 0x93, 0x81, 0x95, 0xEE, 0xFB, /* 0x04-0x07 */ 0x81, 0x69, 0x81, 0x6A, 0x81, 0x96, 0x81, 0x7B, /* 0x08-0x0B */ @@ -7728,7 +7728,7 @@ static unsigned char u2c_FF[512] = { 0xEE, 0xFA, 0x81, 0x8F, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { NULL, NULL, NULL, u2c_03, u2c_04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -7762,7 +7762,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, u2c_F9, u2c_FA, NULL, NULL, NULL, NULL, u2c_FF, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -7798,7 +7798,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -7837,7 +7837,7 @@ static unsigned char charset2upper[256] = { static int uni2char(const wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni&0xFF; unsigned char ch = (uni>>8)&0xFF; @@ -7878,7 +7878,7 @@ static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) { unsigned char ch, cl; - wchar_t *charset2uni; + const wchar_t *charset2uni; if (boundlen <= 0) return -ENAMETOOLONG; diff --git a/fs/nls/nls_cp936.c b/fs/nls/nls_cp936.c index 65e640c61c8..82770301bc3 100644 --- a/fs/nls/nls_cp936.c +++ b/fs/nls/nls_cp936.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t c2u_81[256] = { +static const wchar_t c2u_81[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -49,7 +49,7 @@ static wchar_t c2u_81[256] = { 0x4F99,0x4F9A,0x4F9C,0x4F9E,0x4F9F,0x4FA1,0x4FA2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_82[256] = { +static const wchar_t c2u_82[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -85,7 +85,7 @@ static wchar_t c2u_82[256] = { 0x50B4,0x50B5,0x50B6,0x50B7,0x50B8,0x50B9,0x50BC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_83[256] = { +static const wchar_t c2u_83[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -121,7 +121,7 @@ static wchar_t c2u_83[256] = { 0x51D0,0x51D2,0x51D3,0x51D4,0x51D5,0x51D6,0x51D7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_84[256] = { +static const wchar_t c2u_84[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -157,7 +157,7 @@ static wchar_t c2u_84[256] = { 0x5304,0x5307,0x5309,0x530A,0x530B,0x530C,0x530E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_85[256] = { +static const wchar_t c2u_85[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -193,7 +193,7 @@ static wchar_t c2u_85[256] = { 0x5497,0x5498,0x549C,0x549E,0x549F,0x54A0,0x54A1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_86[256] = { +static const wchar_t c2u_86[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -229,7 +229,7 @@ static wchar_t c2u_86[256] = { 0x55FB,0x55FC,0x55FF,0x5602,0x5603,0x5604,0x5605,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_87[256] = { +static const wchar_t c2u_87[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -265,7 +265,7 @@ static wchar_t c2u_87[256] = { 0x570B,0x570C,0x570D,0x570E,0x570F,0x5710,0x5711,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_88[256] = { +static const wchar_t c2u_88[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -301,7 +301,7 @@ static wchar_t c2u_88[256] = { 0x5837,0x5838,0x5839,0x583A,0x583B,0x583C,0x583D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_89[256] = { +static const wchar_t c2u_89[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -337,7 +337,7 @@ static wchar_t c2u_89[256] = { 0x592C,0x5930,0x5932,0x5933,0x5935,0x5936,0x593B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8A[256] = { +static const wchar_t c2u_8A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -373,7 +373,7 @@ static wchar_t c2u_8A[256] = { 0x5A59,0x5A5B,0x5A5C,0x5A5D,0x5A5E,0x5A5F,0x5A60,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8B[256] = { +static const wchar_t c2u_8B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -409,7 +409,7 @@ static wchar_t c2u_8B[256] = { 0x5B41,0x5B42,0x5B43,0x5B44,0x5B45,0x5B46,0x5B47,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8C[256] = { +static const wchar_t c2u_8C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -445,7 +445,7 @@ static wchar_t c2u_8C[256] = { 0x5CA0,0x5CA1,0x5CA4,0x5CA5,0x5CA6,0x5CA7,0x5CA8,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8D[256] = { +static const wchar_t c2u_8D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -481,7 +481,7 @@ static wchar_t c2u_8D[256] = { 0x5D98,0x5D9A,0x5D9B,0x5D9C,0x5D9E,0x5D9F,0x5DA0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8E[256] = { +static const wchar_t c2u_8E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -517,7 +517,7 @@ static wchar_t c2u_8E[256] = { 0x5EBF,0x5EC0,0x5EC1,0x5EC2,0x5EC3,0x5EC4,0x5EC5,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8F[256] = { +static const wchar_t c2u_8F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -553,7 +553,7 @@ static wchar_t c2u_8F[256] = { 0x5FF4,0x5FF6,0x5FF7,0x5FF9,0x5FFA,0x5FFC,0x6007,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_90[256] = { +static const wchar_t c2u_90[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -589,7 +589,7 @@ static wchar_t c2u_90[256] = { 0x6140,0x6141,0x6142,0x6143,0x6144,0x6145,0x6146,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_91[256] = { +static const wchar_t c2u_91[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -625,7 +625,7 @@ static wchar_t c2u_91[256] = { 0x623B,0x623C,0x6242,0x6244,0x6245,0x6246,0x624A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_92[256] = { +static const wchar_t c2u_92[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -661,7 +661,7 @@ static wchar_t c2u_92[256] = { 0x63B5,0x63B6,0x63B9,0x63BB,0x63BD,0x63BF,0x63C0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_93[256] = { +static const wchar_t c2u_93[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -697,7 +697,7 @@ static wchar_t c2u_93[256] = { 0x64D1,0x64D3,0x64D4,0x64D5,0x64D6,0x64D9,0x64DA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_94[256] = { +static const wchar_t c2u_94[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -733,7 +733,7 @@ static wchar_t c2u_94[256] = { 0x65DE,0x65DF,0x65E1,0x65E3,0x65E4,0x65EA,0x65EB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_95[256] = { +static const wchar_t c2u_95[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -769,7 +769,7 @@ static wchar_t c2u_95[256] = { 0x66F8,0x66FA,0x66FB,0x66FD,0x6701,0x6702,0x6703,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_96[256] = { +static const wchar_t c2u_96[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -805,7 +805,7 @@ static wchar_t c2u_96[256] = { 0x6852,0x6856,0x6857,0x6858,0x6859,0x685A,0x685B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_97[256] = { +static const wchar_t c2u_97[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -841,7 +841,7 @@ static wchar_t c2u_97[256] = { 0x6955,0x6956,0x6958,0x6959,0x695B,0x695C,0x695F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_98[256] = { +static const wchar_t c2u_98[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -877,7 +877,7 @@ static wchar_t c2u_98[256] = { 0x6A52,0x6A53,0x6A54,0x6A55,0x6A56,0x6A57,0x6A5A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_99[256] = { +static const wchar_t c2u_99[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -913,7 +913,7 @@ static wchar_t c2u_99[256] = { 0x6B28,0x6B29,0x6B2A,0x6B2B,0x6B2C,0x6B2D,0x6B2E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9A[256] = { +static const wchar_t c2u_9A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -949,7 +949,7 @@ static wchar_t c2u_9A[256] = { 0x6C4E,0x6C4F,0x6C51,0x6C52,0x6C53,0x6C56,0x6C58,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9B[256] = { +static const wchar_t c2u_9B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -985,7 +985,7 @@ static wchar_t c2u_9B[256] = { 0x6DBE,0x6DC1,0x6DC2,0x6DC3,0x6DC8,0x6DC9,0x6DCA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9C[256] = { +static const wchar_t c2u_9C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1021,7 +1021,7 @@ static wchar_t c2u_9C[256] = { 0x6EE7,0x6EEA,0x6EEB,0x6EEC,0x6EED,0x6EEE,0x6EEF,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9D[256] = { +static const wchar_t c2u_9D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1057,7 +1057,7 @@ static wchar_t c2u_9D[256] = { 0x6FDC,0x6FDD,0x6FDF,0x6FE2,0x6FE3,0x6FE4,0x6FE5,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9E[256] = { +static const wchar_t c2u_9E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1093,7 +1093,7 @@ static wchar_t c2u_9E[256] = { 0x70D2,0x70D3,0x70D4,0x70D5,0x70D6,0x70D7,0x70DA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9F[256] = { +static const wchar_t c2u_9F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1129,7 +1129,7 @@ static wchar_t c2u_9F[256] = { 0x71CC,0x71CD,0x71CF,0x71D0,0x71D1,0x71D2,0x71D3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A0[256] = { +static const wchar_t c2u_A0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1165,7 +1165,7 @@ static wchar_t c2u_A0[256] = { 0x72D3,0x72D4,0x72D5,0x72D6,0x72D8,0x72DA,0x72DB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A1[256] = { +static const wchar_t c2u_A1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1201,7 +1201,7 @@ static wchar_t c2u_A1[256] = { 0x25B2,0x203B,0x2192,0x2190,0x2191,0x2193,0x3013,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A2[256] = { +static const wchar_t c2u_A2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1237,7 +1237,7 @@ static wchar_t c2u_A2[256] = { 0x2167,0x2168,0x2169,0x216A,0x216B,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A3[256] = { +static const wchar_t c2u_A3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1273,7 +1273,7 @@ static wchar_t c2u_A3[256] = { 0xFF58,0xFF59,0xFF5A,0xFF5B,0xFF5C,0xFF5D,0xFFE3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A4[256] = { +static const wchar_t c2u_A4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1308,7 +1308,7 @@ static wchar_t c2u_A4[256] = { 0x3090,0x3091,0x3092,0x3093,0x0000,0x0000,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_A5[256] = { +static const wchar_t c2u_A5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1343,7 +1343,7 @@ static wchar_t c2u_A5[256] = { 0x30F0,0x30F1,0x30F2,0x30F3,0x30F4,0x30F5,0x30F6,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_A6[256] = { +static const wchar_t c2u_A6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1378,7 +1378,7 @@ static wchar_t c2u_A6[256] = { 0xFE37,0xFE38,0xFE31,0x0000,0xFE33,0xFE34,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_A7[256] = { +static const wchar_t c2u_A7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1413,7 +1413,7 @@ static wchar_t c2u_A7[256] = { 0x044E,0x044F,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_A8[256] = { +static const wchar_t c2u_A8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1447,7 +1447,7 @@ static wchar_t c2u_A8[256] = { 0x3128,0x3129,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xE8-0xEF */ }; -static wchar_t c2u_A9[256] = { +static const wchar_t c2u_A9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1481,7 +1481,7 @@ static wchar_t c2u_A9[256] = { 0x2544,0x2545,0x2546,0x2547,0x2548,0x2549,0x254A,0x254B,/* 0xE8-0xEF */ }; -static wchar_t c2u_AA[256] = { +static const wchar_t c2u_AA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1506,7 +1506,7 @@ static wchar_t c2u_AA[256] = { 0x7371,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AB[256] = { +static const wchar_t c2u_AB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1531,7 +1531,7 @@ static wchar_t c2u_AB[256] = { 0x73F7,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AC[256] = { +static const wchar_t c2u_AC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1556,7 +1556,7 @@ static wchar_t c2u_AC[256] = { 0x747A,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AD[256] = { +static const wchar_t c2u_AD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1581,7 +1581,7 @@ static wchar_t c2u_AD[256] = { 0x74F2,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AE[256] = { +static const wchar_t c2u_AE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1606,7 +1606,7 @@ static wchar_t c2u_AE[256] = { 0x7587,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AF[256] = { +static const wchar_t c2u_AF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1631,7 +1631,7 @@ static wchar_t c2u_AF[256] = { 0x7644,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_B0[256] = { +static const wchar_t c2u_B0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1667,7 +1667,7 @@ static wchar_t c2u_B0[256] = { 0x508D,0x8C24,0x82DE,0x80DE,0x5305,0x8912,0x5265,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B1[256] = { +static const wchar_t c2u_B1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1703,7 +1703,7 @@ static wchar_t c2u_B1[256] = { 0x5175,0x51B0,0x67C4,0x4E19,0x79C9,0x997C,0x70B3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B2[256] = { +static const wchar_t c2u_B2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1739,7 +1739,7 @@ static wchar_t c2u_B2[256] = { 0x7F20,0x94F2,0x4EA7,0x9610,0x98A4,0x660C,0x7316,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B3[256] = { +static const wchar_t c2u_B3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1775,7 +1775,7 @@ static wchar_t c2u_B3[256] = { 0x53A8,0x8E87,0x9504,0x96CF,0x6EC1,0x9664,0x695A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B4[256] = { +static const wchar_t c2u_B4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1811,7 +1811,7 @@ static wchar_t c2u_B4[256] = { 0x5E26,0x6B86,0x4EE3,0x8D37,0x888B,0x5F85,0x902E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B5[256] = { +static const wchar_t c2u_B5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1847,7 +1847,7 @@ static wchar_t c2u_B5[256] = { 0x8DCC,0x7239,0x789F,0x8776,0x8FED,0x8C0D,0x53E0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B6[256] = { +static const wchar_t c2u_B6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1883,7 +1883,7 @@ static wchar_t c2u_B6[256] = { 0x800C,0x513F,0x8033,0x5C14,0x9975,0x6D31,0x4E8C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B7[256] = { +static const wchar_t c2u_B7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1919,7 +1919,7 @@ static wchar_t c2u_B7[256] = { 0x8F90,0x5E45,0x6C1F,0x7B26,0x4F0F,0x4FD8,0x670D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B8[256] = { +static const wchar_t c2u_B8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1955,7 +1955,7 @@ static wchar_t c2u_B8[256] = { 0x7ED9,0x6839,0x8DDF,0x8015,0x66F4,0x5E9A,0x7FB9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B9[256] = { +static const wchar_t c2u_B9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1991,7 +1991,7 @@ static wchar_t c2u_B9[256] = { 0x9505,0x90ED,0x56FD,0x679C,0x88F9,0x8FC7,0x54C8,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BA[256] = { +static const wchar_t c2u_BA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2027,7 +2027,7 @@ static wchar_t c2u_BA[256] = { 0x58F6,0x846B,0x80E1,0x8774,0x72D0,0x7CCA,0x6E56,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BB[256] = { +static const wchar_t c2u_BB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2063,7 +2063,7 @@ static wchar_t c2u_BB[256] = { 0x573E,0x57FA,0x673A,0x7578,0x7A3D,0x79EF,0x7B95,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BC[256] = { +static const wchar_t c2u_BC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2099,7 +2099,7 @@ static wchar_t c2u_BC[256] = { 0x9274,0x8DF5,0x8D31,0x89C1,0x952E,0x7BAD,0x4EF6,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BD[256] = { +static const wchar_t c2u_BD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2135,7 +2135,7 @@ static wchar_t c2u_BD[256] = { 0x8FDB,0x9773,0x664B,0x7981,0x8FD1,0x70EC,0x6D78,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BE[256] = { +static const wchar_t c2u_BE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2171,7 +2171,7 @@ static wchar_t c2u_BE[256] = { 0x7EDD,0x5747,0x83CC,0x94A7,0x519B,0x541B,0x5CFB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BF[256] = { +static const wchar_t c2u_BF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2207,7 +2207,7 @@ static wchar_t c2u_BF[256] = { 0x76D4,0x5CBF,0x7AA5,0x8475,0x594E,0x9B41,0x5080,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C0[256] = { +static const wchar_t c2u_C0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2243,7 +2243,7 @@ static wchar_t c2u_C0[256] = { 0x52B1,0x783E,0x5386,0x5229,0x5088,0x4F8B,0x4FD0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C1[256] = { +static const wchar_t c2u_C1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2279,7 +2279,7 @@ static wchar_t c2u_C1[256] = { 0x67F3,0x516D,0x9F99,0x804B,0x5499,0x7B3C,0x7ABF,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C2[256] = { +static const wchar_t c2u_C2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2315,7 +2315,7 @@ static wchar_t c2u_C2[256] = { 0x9992,0x86EE,0x6EE1,0x8513,0x66FC,0x6162,0x6F2B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C3[256] = { +static const wchar_t c2u_C3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2351,7 +2351,7 @@ static wchar_t c2u_C3[256] = { 0x879F,0x9E23,0x94ED,0x540D,0x547D,0x8C2C,0x6478,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C4[256] = { +static const wchar_t c2u_C4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2387,7 +2387,7 @@ static wchar_t c2u_C4[256] = { 0x954D,0x6D85,0x60A8,0x67E0,0x72DE,0x51DD,0x5B81,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C5[256] = { +static const wchar_t c2u_C5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2423,7 +2423,7 @@ static wchar_t c2u_C5[256] = { 0x7812,0x9739,0x6279,0x62AB,0x5288,0x7435,0x6BD7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C6[256] = { +static const wchar_t c2u_C6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2459,7 +2459,7 @@ static wchar_t c2u_C6[256] = { 0x6C14,0x8FC4,0x5F03,0x6C7D,0x6CE3,0x8BAB,0x6390,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C7[256] = { +static const wchar_t c2u_C7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2495,7 +2495,7 @@ static wchar_t c2u_C7[256] = { 0x533A,0x86C6,0x66F2,0x8EAF,0x5C48,0x9A71,0x6E20,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C8[256] = { +static const wchar_t c2u_C8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2531,7 +2531,7 @@ static wchar_t c2u_C8[256] = { 0x8428,0x816E,0x9CC3,0x585E,0x8D5B,0x4E09,0x53C1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C9[256] = { +static const wchar_t c2u_C9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2567,7 +2567,7 @@ static wchar_t c2u_C9[256] = { 0x6E17,0x58F0,0x751F,0x7525,0x7272,0x5347,0x7EF3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CA[256] = { +static const wchar_t c2u_CA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2603,7 +2603,7 @@ static wchar_t c2u_CA[256] = { 0x675F,0x620D,0x7AD6,0x5885,0x5EB6,0x6570,0x6F31,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CB[256] = { +static const wchar_t c2u_CB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2639,7 +2639,7 @@ static wchar_t c2u_CB[256] = { 0x9501,0x6240,0x584C,0x4ED6,0x5B83,0x5979,0x5854,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CC[256] = { +static const wchar_t c2u_CC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2675,7 +2675,7 @@ static wchar_t c2u_CC[256] = { 0x8DF3,0x8D34,0x94C1,0x5E16,0x5385,0x542C,0x70C3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CD[256] = { +static const wchar_t c2u_CD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2711,7 +2711,7 @@ static wchar_t c2u_CD[256] = { 0x7F51,0x5F80,0x65FA,0x671B,0x5FD8,0x5984,0x5A01,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CE[256] = { +static const wchar_t c2u_CE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2747,7 +2747,7 @@ static wchar_t c2u_CE[256] = { 0x7852,0x77FD,0x6670,0x563B,0x5438,0x9521,0x727A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CF[256] = { +static const wchar_t c2u_CF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2783,7 +2783,7 @@ static wchar_t c2u_CF[256] = { 0x54EE,0x56A3,0x9500,0x6D88,0x5BB5,0x6DC6,0x6653,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D0[256] = { +static const wchar_t c2u_D0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2819,7 +2819,7 @@ static wchar_t c2u_D0[256] = { 0x7EED,0x8F69,0x55A7,0x5BA3,0x60AC,0x65CB,0x7384,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D1[256] = { +static const wchar_t c2u_D1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2855,7 +2855,7 @@ static wchar_t c2u_D1[256] = { 0x517B,0x6837,0x6F3E,0x9080,0x8170,0x5996,0x7476,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D2[256] = { +static const wchar_t c2u_D2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2891,7 +2891,7 @@ static wchar_t c2u_D2[256] = { 0x94F6,0x6DEB,0x5BC5,0x996E,0x5C39,0x5F15,0x9690,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D3[256] = { +static const wchar_t c2u_D3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2927,7 +2927,7 @@ static wchar_t c2u_D3[256] = { 0x5CEA,0x5FA1,0x6108,0x6B32,0x72F1,0x80B2,0x8A89,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D4[256] = { +static const wchar_t c2u_D4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2963,7 +2963,7 @@ static wchar_t c2u_D4[256] = { 0x66FE,0x8D60,0x624E,0x55B3,0x6E23,0x672D,0x8F67,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D5[256] = { +static const wchar_t c2u_D5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2999,7 +2999,7 @@ static wchar_t c2u_D5[256] = { 0x72F0,0x4E89,0x6014,0x6574,0x62EF,0x6B63,0x653F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D6[256] = { +static const wchar_t c2u_D6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3035,7 +3035,7 @@ static wchar_t c2u_D6[256] = { 0x8457,0x67F1,0x52A9,0x86C0,0x8D2E,0x94F8,0x7B51,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D7[256] = { +static const wchar_t c2u_D7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3071,7 +3071,7 @@ static wchar_t c2u_D7[256] = { 0x5750,0x5EA7,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D8[256] = { +static const wchar_t c2u_D8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3107,7 +3107,7 @@ static wchar_t c2u_D8[256] = { 0x4F09,0x4F2B,0x4F5E,0x4F67,0x6538,0x4F5A,0x4F5D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D9[256] = { +static const wchar_t c2u_D9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3143,7 +3143,7 @@ static wchar_t c2u_D9[256] = { 0x5B34,0x8803,0x7FB8,0x51AB,0x51B1,0x51BD,0x51BC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DA[256] = { +static const wchar_t c2u_DA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3179,7 +3179,7 @@ static wchar_t c2u_DA[256] = { 0x9099,0x90AC,0x90A1,0x90B4,0x90B3,0x90B6,0x90BA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DB[256] = { +static const wchar_t c2u_DB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3215,7 +3215,7 @@ static wchar_t c2u_DB[256] = { 0x57D2,0x57B8,0x57F4,0x57EF,0x57F8,0x57E4,0x57DD,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DC[256] = { +static const wchar_t c2u_DC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3251,7 +3251,7 @@ static wchar_t c2u_DC[256] = { 0x8317,0x8360,0x832D,0x833A,0x8333,0x8366,0x8365,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DD[256] = { +static const wchar_t c2u_DD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3287,7 +3287,7 @@ static wchar_t c2u_DD[256] = { 0x850C,0x750D,0x8538,0x84F0,0x8539,0x851F,0x853A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DE[256] = { +static const wchar_t c2u_DE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3323,7 +3323,7 @@ static wchar_t c2u_DE[256] = { 0x640C,0x6426,0x6421,0x645E,0x6484,0x646D,0x6496,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DF[256] = { +static const wchar_t c2u_DF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3359,7 +3359,7 @@ static wchar_t c2u_DF[256] = { 0x5549,0x556D,0x5541,0x5555,0x553F,0x5550,0x553C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E0[256] = { +static const wchar_t c2u_E0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3395,7 +3395,7 @@ static wchar_t c2u_E0[256] = { 0x5E0F,0x5E19,0x5E14,0x5E11,0x5E31,0x5E3B,0x5E3C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E1[256] = { +static const wchar_t c2u_E1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3431,7 +3431,7 @@ static wchar_t c2u_E1[256] = { 0x72F2,0x72F4,0x72F7,0x7301,0x72F3,0x7303,0x72FA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E2[256] = { +static const wchar_t c2u_E2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3467,7 +3467,7 @@ static wchar_t c2u_E2[256] = { 0x603F,0x6021,0x6078,0x6079,0x607B,0x607A,0x6042,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E3[256] = { +static const wchar_t c2u_E3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3503,7 +3503,7 @@ static wchar_t c2u_E3[256] = { 0x6CFA,0x6CEB,0x6CEE,0x6CB1,0x6CD3,0x6CEF,0x6CFE,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E4[256] = { +static const wchar_t c2u_E4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3539,7 +3539,7 @@ static wchar_t c2u_E4[256] = { 0x6F8D,0x6F8C,0x6F78,0x6F72,0x6F7C,0x6F7A,0x6FD1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E5[256] = { +static const wchar_t c2u_E5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3575,7 +3575,7 @@ static wchar_t c2u_E5[256] = { 0x5C6E,0x5981,0x5983,0x598D,0x59A9,0x59AA,0x59A3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E6[256] = { +static const wchar_t c2u_E6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3611,7 +3611,7 @@ static wchar_t c2u_E6[256] = { 0x9AA7,0x7E9F,0x7EA1,0x7EA3,0x7EA5,0x7EA8,0x7EA9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E7[256] = { +static const wchar_t c2u_E7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3647,7 +3647,7 @@ static wchar_t c2u_E7[256] = { 0x745B,0x7426,0x7425,0x7428,0x7430,0x742E,0x742C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E8[256] = { +static const wchar_t c2u_E8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3683,7 +3683,7 @@ static wchar_t c2u_E8[256] = { 0x686B,0x68C2,0x696E,0x68FC,0x691F,0x6920,0x68F9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E9[256] = { +static const wchar_t c2u_E9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3719,7 +3719,7 @@ static wchar_t c2u_E9[256] = { 0x8F7C,0x8F7E,0x8F81,0x8F82,0x8F84,0x8F87,0x8F8B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EA[256] = { +static const wchar_t c2u_EA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3755,7 +3755,7 @@ static wchar_t c2u_EA[256] = { 0x728B,0x728D,0x728F,0x7292,0x6308,0x6332,0x63B0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EB[256] = { +static const wchar_t c2u_EB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3791,7 +3791,7 @@ static wchar_t c2u_EB[256] = { 0x6ED5,0x81A3,0x81AA,0x81CC,0x6726,0x81CA,0x81BB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EC[256] = { +static const wchar_t c2u_EC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3827,7 +3827,7 @@ static wchar_t c2u_EC[256] = { 0x7985,0x798A,0x799A,0x79A7,0x79B3,0x5FD1,0x5FD0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_ED[256] = { +static const wchar_t c2u_ED[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3863,7 +3863,7 @@ static wchar_t c2u_ED[256] = { 0x7738,0x7750,0x7751,0x7747,0x7743,0x775A,0x7768,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EE[256] = { +static const wchar_t c2u_EE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3899,7 +3899,7 @@ static wchar_t c2u_EE[256] = { 0x94E0,0x94E2,0x94E4,0x94E5,0x94E7,0x94E8,0x94EA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EF[256] = { +static const wchar_t c2u_EF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3935,7 +3935,7 @@ static wchar_t c2u_EF[256] = { 0x79EB,0x7A06,0x5D47,0x7A03,0x7A02,0x7A1E,0x7A14,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F0[256] = { +static const wchar_t c2u_F0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3971,7 +3971,7 @@ static wchar_t c2u_F0[256] = { 0x760C,0x7617,0x760A,0x7625,0x7618,0x7615,0x7619,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F1[256] = { +static const wchar_t c2u_F1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4007,7 +4007,7 @@ static wchar_t c2u_F1[256] = { 0x8052,0x8069,0x8071,0x8983,0x9878,0x9880,0x9883,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F2[256] = { +static const wchar_t c2u_F2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4043,7 +4043,7 @@ static wchar_t c2u_F2[256] = { 0x8764,0x8759,0x8765,0x8793,0x87AF,0x87A8,0x87D2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F3[256] = { +static const wchar_t c2u_F3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4079,7 +4079,7 @@ static wchar_t c2u_F3[256] = { 0x7BEA,0x7C0C,0x7BFE,0x7BFC,0x7C0F,0x7C16,0x7C0B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F4[256] = { +static const wchar_t c2u_F4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4115,7 +4115,7 @@ static wchar_t c2u_F4[256] = { 0x8C47,0x8C49,0x914A,0x9150,0x914E,0x914F,0x9164,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F5[256] = { +static const wchar_t c2u_F5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4151,7 +4151,7 @@ static wchar_t c2u_F5[256] = { 0x8C98,0x8C94,0x659B,0x89D6,0x89DE,0x89DA,0x89DC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F6[256] = { +static const wchar_t c2u_F6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4187,7 +4187,7 @@ static wchar_t c2u_F6[256] = { 0x9CBD,0x9CC4,0x9CC5,0x9CC6,0x9CC7,0x9CCA,0x9CCB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F7[256] = { +static const wchar_t c2u_F7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4223,7 +4223,7 @@ static wchar_t c2u_F7[256] = { 0x9F2C,0x9F2F,0x9F39,0x9F37,0x9F3D,0x9F3E,0x9F44,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F8[256] = { +static const wchar_t c2u_F8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4248,7 +4248,7 @@ static wchar_t c2u_F8[256] = { 0x9D42,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_F9[256] = { +static const wchar_t c2u_F9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4273,7 +4273,7 @@ static wchar_t c2u_F9[256] = { 0x9DA2,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_FA[256] = { +static const wchar_t c2u_FA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4298,7 +4298,7 @@ static wchar_t c2u_FA[256] = { 0x9E02,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_FB[256] = { +static const wchar_t c2u_FB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4323,7 +4323,7 @@ static wchar_t c2u_FB[256] = { 0x9EAA,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_FC[256] = { +static const wchar_t c2u_FC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4348,7 +4348,7 @@ static wchar_t c2u_FC[256] = { 0x9F31,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_FD[256] = { +static const wchar_t c2u_FD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4373,7 +4373,7 @@ static wchar_t c2u_FD[256] = { 0xF9F1,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_FE[256] = { +static const wchar_t c2u_FE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4386,7 +4386,7 @@ static wchar_t c2u_FE[256] = { 0xFA1F,0xFA20,0xFA21,0xFA23,0xFA24,0xFA27,0xFA28,0xFA29,/* 0x48-0x4F */ }; -static wchar_t *page_charset2uni[256] = { +static const wchar_t *page_charset2uni[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -4421,7 +4421,7 @@ static wchar_t *page_charset2uni[256] = { c2u_F8, c2u_F9, c2u_FA, c2u_FB, c2u_FC, c2u_FD, c2u_FE, NULL, }; -static unsigned char u2c_00[512] = { +static const unsigned char u2c_00[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4488,7 +4488,7 @@ static unsigned char u2c_00[512] = { 0xA8, 0xB9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_01[512] = { +static const unsigned char u2c_01[512] = { 0xA8, 0xA1, 0xA8, 0xA1, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4548,7 +4548,7 @@ static unsigned char u2c_01[512] = { 0xA8, 0xB8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xDC-0xDF */ }; -static unsigned char u2c_02[512] = { +static const unsigned char u2c_02[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4607,7 +4607,7 @@ static unsigned char u2c_02[512] = { 0x00, 0x00, 0xA8, 0x42, 0x00, 0x00, 0x00, 0x00, /* 0xD8-0xDB */ }; -static unsigned char u2c_03[512] = { +static const unsigned char u2c_03[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4662,7 +4662,7 @@ static unsigned char u2c_03[512] = { 0xA6, 0xD7, 0xA6, 0xD8, 0x00, 0x00, 0x00, 0x00, /* 0xC8-0xCB */ }; -static unsigned char u2c_04[512] = { +static const unsigned char u2c_04[512] = { 0x00, 0x00, 0xA7, 0xA7, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4686,7 +4686,7 @@ static unsigned char u2c_04[512] = { 0x00, 0x00, 0xA7, 0xD7, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x53 */ }; -static unsigned char u2c_20[512] = { +static const unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4705,7 +4705,7 @@ static unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0xA3, 0xFE, 0x00, 0x00, /* 0x3C-0x3F */ }; -static unsigned char u2c_21[512] = { +static const unsigned char u2c_21[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, 0xE6, /* 0x00-0x03 */ 0x00, 0x00, 0xA8, 0x47, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xA8, 0x48, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4748,7 +4748,7 @@ static unsigned char u2c_21[512] = { 0xA8, 0x4B, 0xA8, 0x4C, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9B */ }; -static unsigned char u2c_22[512] = { +static const unsigned char u2c_22[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xA1, 0xCA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4800,7 +4800,7 @@ static unsigned char u2c_22[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA8, 0x53, /* 0xBC-0xBF */ }; -static unsigned char u2c_23[512] = { +static const unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4808,7 +4808,7 @@ static unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0xA1, 0xD0, 0x00, 0x00, /* 0x10-0x13 */ }; -static unsigned char u2c_24[512] = { +static const unsigned char u2c_24[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4851,7 +4851,7 @@ static unsigned char u2c_24[512] = { 0xA2, 0xC1, 0xA2, 0xC2, 0xA2, 0xC3, 0xA2, 0xC4, /* 0x98-0x9B */ }; -static unsigned char u2c_25[512] = { +static const unsigned char u2c_25[512] = { 0xA9, 0xA4, 0xA9, 0xA5, 0xA9, 0xA6, 0xA9, 0xA7, /* 0x00-0x03 */ 0xA9, 0xA8, 0xA9, 0xA9, 0xA9, 0xAA, 0xA9, 0xAB, /* 0x04-0x07 */ 0xA9, 0xAC, 0xA9, 0xAD, 0xA9, 0xAE, 0xA9, 0xAF, /* 0x08-0x0B */ @@ -4919,7 +4919,7 @@ static unsigned char u2c_25[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_26[512] = { +static const unsigned char u2c_26[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xEF, 0xA1, 0xEE, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xA8, 0x91, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4939,7 +4939,7 @@ static unsigned char u2c_26[512] = { 0xA1, 0xE2, 0x00, 0x00, 0xA1, 0xE1, 0x00, 0x00, /* 0x40-0x43 */ }; -static unsigned char u2c_30[512] = { +static const unsigned char u2c_30[512] = { 0xA1, 0xA1, 0xA1, 0xA2, 0xA1, 0xA3, 0xA1, 0xA8, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xA9, 0xA9, 0x65, 0xA9, 0x96, /* 0x04-0x07 */ 0xA1, 0xB4, 0xA1, 0xB5, 0xA1, 0xB6, 0xA1, 0xB7, /* 0x08-0x0B */ @@ -5007,7 +5007,7 @@ static unsigned char u2c_30[512] = { 0xA9, 0x60, 0xA9, 0x63, 0xA9, 0x64, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_31[512] = { +static const unsigned char u2c_31[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA8, 0xC5, 0xA8, 0xC6, 0xA8, 0xC7, /* 0x04-0x07 */ 0xA8, 0xC8, 0xA8, 0xC9, 0xA8, 0xCA, 0xA8, 0xCB, /* 0x08-0x0B */ @@ -5051,7 +5051,7 @@ static unsigned char u2c_31[512] = { 0xB6, 0xA1, 0xCC, 0xEC, 0xB5, 0xD8, 0xC8, 0xCB, /* 0x9C-0x9F */ }; -static unsigned char u2c_32[512] = { +static const unsigned char u2c_32[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5100,7 +5100,7 @@ static unsigned char u2c_32[512] = { 0xD2, 0xB9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xB0-0xB3 */ }; -static unsigned char u2c_33[512] = { +static const unsigned char u2c_33[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5158,7 +5158,7 @@ static unsigned char u2c_33[512] = { 0x00, 0x00, 0xA9, 0x54, 0x00, 0x00, 0x00, 0x00, /* 0xD4-0xD7 */ }; -static unsigned char u2c_4E[512] = { +static const unsigned char u2c_4E[512] = { 0xD2, 0xBB, 0xB6, 0xA1, 0x81, 0x40, 0xC6, 0xDF, /* 0x00-0x03 */ 0x81, 0x41, 0x81, 0x42, 0x81, 0x43, 0xCD, 0xF2, /* 0x04-0x07 */ 0xD5, 0xC9, 0xC8, 0xFD, 0xC9, 0xCF, 0xCF, 0xC2, /* 0x08-0x0B */ @@ -5226,7 +5226,7 @@ static unsigned char u2c_4E[512] = { 0x81, 0xA9, 0xB7, 0xDD, 0x81, 0xAA, 0xB7, 0xC2, /* 0xFC-0xFF */ }; -static unsigned char u2c_4F[512] = { +static const unsigned char u2c_4F[512] = { 0x81, 0xAB, 0xC6, 0xF3, 0x81, 0xAC, 0x81, 0xAD, /* 0x00-0x03 */ 0x81, 0xAE, 0x81, 0xAF, 0x81, 0xB0, 0x81, 0xB1, /* 0x04-0x07 */ 0x81, 0xB2, 0xD8, 0xF8, 0xD2, 0xC1, 0x81, 0xB3, /* 0x08-0x0B */ @@ -5294,7 +5294,7 @@ static unsigned char u2c_4F[512] = { 0x82, 0x71, 0x82, 0x72, 0xD9, 0xC2, 0x82, 0x73, /* 0xFC-0xFF */ }; -static unsigned char u2c_50[512] = { +static const unsigned char u2c_50[512] = { 0x82, 0x74, 0x82, 0x75, 0x82, 0x76, 0x82, 0x77, /* 0x00-0x03 */ 0x82, 0x78, 0x82, 0x79, 0x82, 0x7A, 0x82, 0x7B, /* 0x04-0x07 */ 0x82, 0x7C, 0x82, 0x7D, 0x82, 0x7E, 0x82, 0x80, /* 0x08-0x0B */ @@ -5362,7 +5362,7 @@ static unsigned char u2c_50[512] = { 0x83, 0x74, 0x83, 0x75, 0x83, 0x76, 0x83, 0x77, /* 0xFC-0xFF */ }; -static unsigned char u2c_51[512] = { +static const unsigned char u2c_51[512] = { 0x83, 0x78, 0x83, 0x79, 0x83, 0x7A, 0x83, 0x7B, /* 0x00-0x03 */ 0x83, 0x7C, 0x83, 0x7D, 0xD9, 0xD3, 0xD9, 0xD8, /* 0x04-0x07 */ 0x83, 0x7E, 0x83, 0x80, 0x83, 0x81, 0xD9, 0xD9, /* 0x08-0x0B */ @@ -5430,7 +5430,7 @@ static unsigned char u2c_51[512] = { 0xDB, 0xCA, 0xBA, 0xAF, 0x84, 0x54, 0xD4, 0xE4, /* 0xFC-0xFF */ }; -static unsigned char u2c_52[512] = { +static const unsigned char u2c_52[512] = { 0xB5, 0xB6, 0xB5, 0xF3, 0xD8, 0xD6, 0xC8, 0xD0, /* 0x00-0x03 */ 0x84, 0x55, 0x84, 0x56, 0xB7, 0xD6, 0xC7, 0xD0, /* 0x04-0x07 */ 0xD8, 0xD7, 0x84, 0x57, 0xBF, 0xAF, 0x84, 0x58, /* 0x08-0x0B */ @@ -5498,7 +5498,7 @@ static unsigned char u2c_52[512] = { 0x84, 0xF3, 0x84, 0xF4, 0xB9, 0xB4, 0xCE, 0xF0, /* 0xFC-0xFF */ }; -static unsigned char u2c_53[512] = { +static const unsigned char u2c_53[512] = { 0xD4, 0xC8, 0x84, 0xF5, 0x84, 0xF6, 0x84, 0xF7, /* 0x00-0x03 */ 0x84, 0xF8, 0xB0, 0xFC, 0xB4, 0xD2, 0x84, 0xF9, /* 0x04-0x07 */ 0xD0, 0xD9, 0x84, 0xFA, 0x84, 0xFB, 0x84, 0xFC, /* 0x08-0x0B */ @@ -5566,7 +5566,7 @@ static unsigned char u2c_53[512] = { 0xB5, 0xF0, 0xDF, 0xB4, 0x85, 0xB6, 0x85, 0xB7, /* 0xFC-0xFF */ }; -static unsigned char u2c_54[512] = { +static const unsigned char u2c_54[512] = { 0x85, 0xB8, 0xD3, 0xF5, 0x85, 0xB9, 0xB3, 0xD4, /* 0x00-0x03 */ 0xB8, 0xF7, 0x85, 0xBA, 0xDF, 0xBA, 0x85, 0xBB, /* 0x04-0x07 */ 0xBA, 0xCF, 0xBC, 0xAA, 0xB5, 0xF5, 0x85, 0xBC, /* 0x08-0x0B */ @@ -5634,7 +5634,7 @@ static unsigned char u2c_54[512] = { 0xBA, 0xDF, 0xDF, 0xEC, 0x86, 0x64, 0xDB, 0xC1, /* 0xFC-0xFF */ }; -static unsigned char u2c_55[512] = { +static const unsigned char u2c_55[512] = { 0x86, 0x65, 0xD1, 0xE4, 0x86, 0x66, 0x86, 0x67, /* 0x00-0x03 */ 0x86, 0x68, 0x86, 0x69, 0xCB, 0xF4, 0xB4, 0xBD, /* 0x04-0x07 */ 0x86, 0x6A, 0xB0, 0xA6, 0x86, 0x6B, 0x86, 0x6C, /* 0x08-0x0B */ @@ -5702,7 +5702,7 @@ static unsigned char u2c_55[512] = { 0x86, 0xF9, 0xCB, 0xD4, 0xE0, 0xD5, 0x86, 0xFA, /* 0xFC-0xFF */ }; -static unsigned char u2c_56[512] = { +static const unsigned char u2c_56[512] = { 0xE0, 0xD6, 0xE0, 0xD2, 0x86, 0xFB, 0x86, 0xFC, /* 0x00-0x03 */ 0x86, 0xFD, 0x86, 0xFE, 0x87, 0x40, 0x87, 0x41, /* 0x04-0x07 */ 0xE0, 0xD0, 0xBC, 0xCE, 0x87, 0x42, 0x87, 0x43, /* 0x08-0x0B */ @@ -5770,7 +5770,7 @@ static unsigned char u2c_56[512] = { 0x87, 0xF2, 0xB9, 0xFA, 0xCD, 0xBC, 0xE0, 0xF3, /* 0xFC-0xFF */ }; -static unsigned char u2c_57[512] = { +static const unsigned char u2c_57[512] = { 0x87, 0xF3, 0x87, 0xF4, 0x87, 0xF5, 0xC6, 0xD4, /* 0x00-0x03 */ 0xE0, 0xF4, 0x87, 0xF6, 0xD4, 0xB2, 0x87, 0xF7, /* 0x04-0x07 */ 0xC8, 0xA6, 0xE0, 0xF6, 0xE0, 0xF5, 0x87, 0xF8, /* 0x08-0x0B */ @@ -5838,7 +5838,7 @@ static unsigned char u2c_57[512] = { 0x88, 0xCE, 0xDC, 0xA3, 0x88, 0xCF, 0x88, 0xD0, /* 0xFC-0xFF */ }; -static unsigned char u2c_58[512] = { +static const unsigned char u2c_58[512] = { 0xDC, 0xA5, 0x88, 0xD1, 0xCC, 0xC3, 0x88, 0xD2, /* 0x00-0x03 */ 0x88, 0xD3, 0x88, 0xD4, 0xB6, 0xD1, 0xDD, 0xC0, /* 0x04-0x07 */ 0x88, 0xD5, 0x88, 0xD6, 0x88, 0xD7, 0xDC, 0xA1, /* 0x08-0x0B */ @@ -5906,7 +5906,7 @@ static unsigned char u2c_58[512] = { 0x89, 0xDA, 0x89, 0xDB, 0x89, 0xDC, 0x89, 0xDD, /* 0xFC-0xFF */ }; -static unsigned char u2c_59[512] = { +static const unsigned char u2c_59[512] = { 0x89, 0xDE, 0x89, 0xDF, 0xE2, 0xBA, 0x89, 0xE0, /* 0x00-0x03 */ 0xB4, 0xA6, 0x89, 0xE1, 0x89, 0xE2, 0xB1, 0xB8, /* 0x04-0x07 */ 0x89, 0xE3, 0x89, 0xE4, 0x89, 0xE5, 0x89, 0xE6, /* 0x08-0x0B */ @@ -5974,7 +5974,7 @@ static unsigned char u2c_59[512] = { 0x8A, 0xB8, 0x8A, 0xB9, 0x8A, 0xBA, 0xD7, 0xCB, /* 0xFC-0xFF */ }; -static unsigned char u2c_5A[512] = { +static const unsigned char u2c_5A[512] = { 0x8A, 0xBB, 0xCD, 0xFE, 0x8A, 0xBC, 0xCD, 0xDE, /* 0x00-0x03 */ 0xC2, 0xA6, 0xE6, 0xAB, 0xE6, 0xAC, 0xBD, 0xBF, /* 0x04-0x07 */ 0xE6, 0xAE, 0xE6, 0xB3, 0x8A, 0xBD, 0x8A, 0xBE, /* 0x08-0x0B */ @@ -6042,7 +6042,7 @@ static unsigned char u2c_5A[512] = { 0x8B, 0xBA, 0x8B, 0xBB, 0x8B, 0xBC, 0x8B, 0xBD, /* 0xFC-0xFF */ }; -static unsigned char u2c_5B[512] = { +static const unsigned char u2c_5B[512] = { 0x8B, 0xBE, 0x8B, 0xBF, 0x8B, 0xC0, 0x8B, 0xC1, /* 0x00-0x03 */ 0x8B, 0xC2, 0x8B, 0xC3, 0x8B, 0xC4, 0x8B, 0xC5, /* 0x04-0x07 */ 0x8B, 0xC6, 0xE6, 0xD2, 0x8B, 0xC7, 0x8B, 0xC8, /* 0x08-0x0B */ @@ -6110,7 +6110,7 @@ static unsigned char u2c_5B[512] = { 0xB5, 0xBC, 0x8C, 0x9C, 0x8C, 0x9D, 0xCA, 0xD9, /* 0xFC-0xFF */ }; -static unsigned char u2c_5C[512] = { +static const unsigned char u2c_5C[512] = { 0x8C, 0x9E, 0xB7, 0xE2, 0x8C, 0x9F, 0x8C, 0xA0, /* 0x00-0x03 */ 0xC9, 0xE4, 0x8C, 0xA1, 0xBD, 0xAB, 0x8C, 0xA2, /* 0x04-0x07 */ 0x8C, 0xA3, 0xCE, 0xBE, 0xD7, 0xF0, 0x8C, 0xA4, /* 0x08-0x0B */ @@ -6178,7 +6178,7 @@ static unsigned char u2c_5C[512] = { 0x8D, 0x7A, 0x8D, 0x7B, 0x8D, 0x7C, 0x8D, 0x7D, /* 0xFC-0xFF */ }; -static unsigned char u2c_5D[512] = { +static const unsigned char u2c_5D[512] = { 0x8D, 0x7E, 0x8D, 0x80, 0xE1, 0xC0, 0xE1, 0xC1, /* 0x00-0x03 */ 0x8D, 0x81, 0x8D, 0x82, 0xE1, 0xC7, 0xB3, 0xE7, /* 0x04-0x07 */ 0x8D, 0x83, 0x8D, 0x84, 0x8D, 0x85, 0x8D, 0x86, /* 0x08-0x0B */ @@ -6246,7 +6246,7 @@ static unsigned char u2c_5D[512] = { 0x8E, 0x87, 0xD9, 0xE3, 0xBD, 0xED, 0x8E, 0x88, /* 0xFC-0xFF */ }; -static unsigned char u2c_5E[512] = { +static const unsigned char u2c_5E[512] = { 0x8E, 0x89, 0xB1, 0xD2, 0xCA, 0xD0, 0xB2, 0xBC, /* 0x00-0x03 */ 0x8E, 0x8A, 0xCB, 0xA7, 0xB7, 0xAB, 0x8E, 0x8B, /* 0x04-0x07 */ 0xCA, 0xA6, 0x8E, 0x8C, 0x8E, 0x8D, 0x8E, 0x8E, /* 0x08-0x0B */ @@ -6314,7 +6314,7 @@ static unsigned char u2c_5E[512] = { 0x8F, 0x69, 0x8F, 0x6A, 0xDE, 0xC3, 0xD8, 0xA5, /* 0xFC-0xFF */ }; -static unsigned char u2c_5F[512] = { +static const unsigned char u2c_5F[512] = { 0xBF, 0xAA, 0xDB, 0xCD, 0xD2, 0xEC, 0xC6, 0xFA, /* 0x00-0x03 */ 0xC5, 0xAA, 0x8F, 0x6B, 0x8F, 0x6C, 0x8F, 0x6D, /* 0x04-0x07 */ 0xDE, 0xC4, 0x8F, 0x6E, 0xB1, 0xD7, 0xDF, 0xAE, /* 0x08-0x0B */ @@ -6382,7 +6382,7 @@ static unsigned char u2c_5F[512] = { 0x8F, 0xFD, 0xBA, 0xF6, 0xE2, 0xE9, 0xB7, 0xDE, /* 0xFC-0xFF */ }; -static unsigned char u2c_60[512] = { +static const unsigned char u2c_60[512] = { 0xBB, 0xB3, 0xCC, 0xAC, 0xCB, 0xCB, 0xE2, 0xE4, /* 0x00-0x03 */ 0xE2, 0xE6, 0xE2, 0xEA, 0xE2, 0xEB, 0x8F, 0xFE, /* 0x04-0x07 */ 0x90, 0x40, 0x90, 0x41, 0xE2, 0xF7, 0x90, 0x42, /* 0x08-0x0B */ @@ -6450,7 +6450,7 @@ static unsigned char u2c_60[512] = { 0x90, 0xC6, 0x90, 0xC7, 0x90, 0xC8, 0x90, 0xC9, /* 0xFC-0xFF */ }; -static unsigned char u2c_61[512] = { +static const unsigned char u2c_61[512] = { 0xE3, 0xB8, 0xB3, 0xEE, 0x90, 0xCA, 0x90, 0xCB, /* 0x00-0x03 */ 0x90, 0xCC, 0x90, 0xCD, 0xED, 0xA9, 0x90, 0xCE, /* 0x04-0x07 */ 0xD3, 0xFA, 0xD3, 0xE4, 0x90, 0xCF, 0x90, 0xD0, /* 0x08-0x0B */ @@ -6518,7 +6518,7 @@ static unsigned char u2c_61[512] = { 0x91, 0xD6, 0x91, 0xD7, 0x91, 0xD8, 0xDC, 0xB2, /* 0xFC-0xFF */ }; -static unsigned char u2c_62[512] = { +static const unsigned char u2c_62[512] = { 0x91, 0xD9, 0x91, 0xDA, 0x91, 0xDB, 0x91, 0xDC, /* 0x00-0x03 */ 0x91, 0xDD, 0x91, 0xDE, 0xED, 0xB0, 0x91, 0xDF, /* 0x04-0x07 */ 0xB8, 0xEA, 0x91, 0xE0, 0xCE, 0xEC, 0xEA, 0xA7, /* 0x08-0x0B */ @@ -6586,7 +6586,7 @@ static unsigned char u2c_62[512] = { 0xC6, 0xB4, 0xD7, 0xA7, 0xCA, 0xB0, 0xC4, 0xC3, /* 0xFC-0xFF */ }; -static unsigned char u2c_63[512] = { +static const unsigned char u2c_63[512] = { 0x92, 0x93, 0xB3, 0xD6, 0xB9, 0xD2, 0x92, 0x94, /* 0x00-0x03 */ 0x92, 0x95, 0x92, 0x96, 0x92, 0x97, 0xD6, 0xB8, /* 0x04-0x07 */ 0xEA, 0xFC, 0xB0, 0xB4, 0x92, 0x98, 0x92, 0x99, /* 0x08-0x0B */ @@ -6654,7 +6654,7 @@ static unsigned char u2c_63[512] = { 0x93, 0x67, 0xC0, 0xBF, 0x93, 0x68, 0xDE, 0xEC, /* 0xFC-0xFF */ }; -static unsigned char u2c_64[512] = { +static const unsigned char u2c_64[512] = { 0xB2, 0xF3, 0xB8, 0xE9, 0xC2, 0xA7, 0x93, 0x69, /* 0x00-0x03 */ 0x93, 0x6A, 0xBD, 0xC1, 0x93, 0x6B, 0x93, 0x6C, /* 0x04-0x07 */ 0x93, 0x6D, 0x93, 0x6E, 0x93, 0x6F, 0xDE, 0xF5, /* 0x08-0x0B */ @@ -6722,7 +6722,7 @@ static unsigned char u2c_64[512] = { 0x94, 0x5D, 0x94, 0x5E, 0x94, 0x5F, 0x94, 0x60, /* 0xFC-0xFF */ }; -static unsigned char u2c_65[512] = { +static const unsigned char u2c_65[512] = { 0xC5, 0xCA, 0x94, 0x61, 0x94, 0x62, 0x94, 0x63, /* 0x00-0x03 */ 0x94, 0x64, 0x94, 0x65, 0x94, 0x66, 0x94, 0x67, /* 0x04-0x07 */ 0x94, 0x68, 0xDF, 0xAB, 0x94, 0x69, 0x94, 0x6A, /* 0x08-0x0B */ @@ -6790,7 +6790,7 @@ static unsigned char u2c_65[512] = { 0x95, 0x47, 0x95, 0x48, 0x95, 0x49, 0x95, 0x4A, /* 0xFC-0xFF */ }; -static unsigned char u2c_66[512] = { +static const unsigned char u2c_66[512] = { 0xEA, 0xC0, 0x95, 0x4B, 0xB0, 0xBA, 0xEA, 0xBE, /* 0x00-0x03 */ 0x95, 0x4C, 0x95, 0x4D, 0xC0, 0xA5, 0x95, 0x4E, /* 0x04-0x07 */ 0x95, 0x4F, 0x95, 0x50, 0xEA, 0xBB, 0x95, 0x51, /* 0x08-0x0B */ @@ -6858,7 +6858,7 @@ static unsigned char u2c_66[512] = { 0xC2, 0xFC, 0x95, 0xFB, 0xD4, 0xF8, 0xCC, 0xE6, /* 0xFC-0xFF */ }; -static unsigned char u2c_67[512] = { +static const unsigned char u2c_67[512] = { 0xD7, 0xEE, 0x95, 0xFC, 0x95, 0xFD, 0x95, 0xFE, /* 0x00-0x03 */ 0x96, 0x40, 0x96, 0x41, 0x96, 0x42, 0x96, 0x43, /* 0x04-0x07 */ 0xD4, 0xC2, 0xD3, 0xD0, 0xEB, 0xC3, 0xC5, 0xF3, /* 0x08-0x0B */ @@ -6926,7 +6926,7 @@ static unsigned char u2c_67[512] = { 0x96, 0xCC, 0xE8, 0xDF, 0x96, 0xCD, 0xCA, 0xC1, /* 0xFC-0xFF */ }; -static unsigned char u2c_68[512] = { +static const unsigned char u2c_68[512] = { 0xE8, 0xD9, 0x96, 0xCE, 0x96, 0xCF, 0x96, 0xD0, /* 0x00-0x03 */ 0x96, 0xD1, 0xD5, 0xA4, 0x96, 0xD2, 0xB1, 0xEA, /* 0x04-0x07 */ 0xD5, 0xBB, 0xE8, 0xCE, 0xE8, 0xD0, 0xB6, 0xB0, /* 0x08-0x0B */ @@ -6994,7 +6994,7 @@ static unsigned char u2c_68[512] = { 0xE8, 0xFB, 0x97, 0xB2, 0x97, 0xB3, 0x97, 0xB4, /* 0xFC-0xFF */ }; -static unsigned char u2c_69[512] = { +static const unsigned char u2c_69[512] = { 0x97, 0xB5, 0xE9, 0xA4, 0x97, 0xB6, 0x97, 0xB7, /* 0x00-0x03 */ 0x97, 0xB8, 0xD2, 0xCE, 0x97, 0xB9, 0x97, 0xBA, /* 0x04-0x07 */ 0x97, 0xBB, 0x97, 0xBC, 0x97, 0xBD, 0xE9, 0xA3, /* 0x08-0x0B */ @@ -7062,7 +7062,7 @@ static unsigned char u2c_69[512] = { 0x98, 0xB3, 0xB2, 0xDB, 0x98, 0xB4, 0xE9, 0xC8, /* 0xFC-0xFF */ }; -static unsigned char u2c_6A[512] = { +static const unsigned char u2c_6A[512] = { 0x98, 0xB5, 0x98, 0xB6, 0x98, 0xB7, 0x98, 0xB8, /* 0x00-0x03 */ 0x98, 0xB9, 0x98, 0xBA, 0x98, 0xBB, 0x98, 0xBC, /* 0x04-0x07 */ 0x98, 0xBD, 0x98, 0xBE, 0xB7, 0xAE, 0x98, 0xBF, /* 0x08-0x0B */ @@ -7130,7 +7130,7 @@ static unsigned char u2c_6A[512] = { 0x99, 0xD2, 0x99, 0xD3, 0x99, 0xD4, 0x99, 0xD5, /* 0xFC-0xFF */ }; -static unsigned char u2c_6B[512] = { +static const unsigned char u2c_6B[512] = { 0x99, 0xD6, 0x99, 0xD7, 0x99, 0xD8, 0x99, 0xD9, /* 0x00-0x03 */ 0x99, 0xDA, 0x99, 0xDB, 0x99, 0xDC, 0x99, 0xDD, /* 0x04-0x07 */ 0x99, 0xDE, 0x99, 0xDF, 0x99, 0xE0, 0x99, 0xE1, /* 0x08-0x0B */ @@ -7198,7 +7198,7 @@ static unsigned char u2c_6B[512] = { 0x9A, 0xCE, 0xEB, 0xA6, 0x9A, 0xCF, 0x9A, 0xD0, /* 0xFC-0xFF */ }; -static unsigned char u2c_6C[512] = { +static const unsigned char u2c_6C[512] = { 0x9A, 0xD1, 0x9A, 0xD2, 0x9A, 0xD3, 0x9A, 0xD4, /* 0x00-0x03 */ 0x9A, 0xD5, 0xEB, 0xA9, 0xEB, 0xAB, 0xEB, 0xAA, /* 0x04-0x07 */ 0x9A, 0xD6, 0x9A, 0xD7, 0x9A, 0xD8, 0x9A, 0xD9, /* 0x08-0x0B */ @@ -7266,7 +7266,7 @@ static unsigned char u2c_6C[512] = { 0xC6, 0xC3, 0xD4, 0xF3, 0xE3, 0xFE, 0x9B, 0x8E, /* 0xFC-0xFF */ }; -static unsigned char u2c_6D[512] = { +static const unsigned char u2c_6D[512] = { 0x9B, 0x8F, 0xBD, 0xE0, 0x9B, 0x90, 0x9B, 0x91, /* 0x00-0x03 */ 0xE4, 0xA7, 0x9B, 0x92, 0x9B, 0x93, 0xE4, 0xA6, /* 0x04-0x07 */ 0x9B, 0x94, 0x9B, 0x95, 0x9B, 0x96, 0xD1, 0xF3, /* 0x08-0x0B */ @@ -7334,7 +7334,7 @@ static unsigned char u2c_6D[512] = { 0xED, 0xB5, 0x9C, 0x5D, 0x9C, 0x5E, 0x9C, 0x5F, /* 0xFC-0xFF */ }; -static unsigned char u2c_6E[512] = { +static const unsigned char u2c_6E[512] = { 0x9C, 0x60, 0x9C, 0x61, 0x9C, 0x62, 0x9C, 0x63, /* 0x00-0x03 */ 0x9C, 0x64, 0xC7, 0xE5, 0x9C, 0x65, 0x9C, 0x66, /* 0x04-0x07 */ 0x9C, 0x67, 0x9C, 0x68, 0xD4, 0xA8, 0x9C, 0x69, /* 0x08-0x0B */ @@ -7402,7 +7402,7 @@ static unsigned char u2c_6E[512] = { 0x9D, 0x4A, 0x9D, 0x4B, 0x9D, 0x4C, 0x9D, 0x4D, /* 0xFC-0xFF */ }; -static unsigned char u2c_6F[512] = { +static const unsigned char u2c_6F[512] = { 0x9D, 0x4E, 0x9D, 0x4F, 0xC6, 0xAF, 0x9D, 0x50, /* 0x00-0x03 */ 0x9D, 0x51, 0x9D, 0x52, 0xC6, 0xE1, 0x9D, 0x53, /* 0x04-0x07 */ 0x9D, 0x54, 0xE4, 0xF5, 0x9D, 0x55, 0x9D, 0x56, /* 0x08-0x0B */ @@ -7470,7 +7470,7 @@ static unsigned char u2c_6F[512] = { 0x9E, 0x54, 0x9E, 0x55, 0x9E, 0x56, 0x9E, 0x57, /* 0xFC-0xFF */ }; -static unsigned char u2c_70[512] = { +static const unsigned char u2c_70[512] = { 0x9E, 0x58, 0x9E, 0x59, 0x9E, 0x5A, 0x9E, 0x5B, /* 0x00-0x03 */ 0x9E, 0x5C, 0x9E, 0x5D, 0x9E, 0x5E, 0x9E, 0x5F, /* 0x04-0x07 */ 0x9E, 0x60, 0x9E, 0x61, 0x9E, 0x62, 0x9E, 0x63, /* 0x08-0x0B */ @@ -7538,7 +7538,7 @@ static unsigned char u2c_70[512] = { 0x9F, 0x54, 0xB7, 0xE9, 0x9F, 0x55, 0x9F, 0x56, /* 0xFC-0xFF */ }; -static unsigned char u2c_71[512] = { +static const unsigned char u2c_71[512] = { 0x9F, 0x57, 0x9F, 0x58, 0x9F, 0x59, 0x9F, 0x5A, /* 0x00-0x03 */ 0x9F, 0x5B, 0x9F, 0x5C, 0x9F, 0x5D, 0x9F, 0x5E, /* 0x04-0x07 */ 0x9F, 0x5F, 0xD1, 0xC9, 0xBA, 0xB8, 0x9F, 0x60, /* 0x08-0x0B */ @@ -7606,7 +7606,7 @@ static unsigned char u2c_71[512] = { 0xA0, 0x61, 0xA0, 0x62, 0xA0, 0x63, 0xA0, 0x64, /* 0xFC-0xFF */ }; -static unsigned char u2c_72[512] = { +static const unsigned char u2c_72[512] = { 0xA0, 0x65, 0xA0, 0x66, 0xA0, 0x67, 0xA0, 0x68, /* 0x00-0x03 */ 0xA0, 0x69, 0xA0, 0x6A, 0xB1, 0xAC, 0xA0, 0x6B, /* 0x04-0x07 */ 0xA0, 0x6C, 0xA0, 0x6D, 0xA0, 0x6E, 0xA0, 0x6F, /* 0x08-0x0B */ @@ -7674,7 +7674,7 @@ static unsigned char u2c_72[512] = { 0xC0, 0xC7, 0xAA, 0x4E, 0xAA, 0x4F, 0xAA, 0x50, /* 0xFC-0xFF */ }; -static unsigned char u2c_73[512] = { +static const unsigned char u2c_73[512] = { 0xAA, 0x51, 0xE1, 0xFB, 0xAA, 0x52, 0xE1, 0xFD, /* 0x00-0x03 */ 0xAA, 0x53, 0xAA, 0x54, 0xAA, 0x55, 0xAA, 0x56, /* 0x04-0x07 */ 0xAA, 0x57, 0xAA, 0x58, 0xE2, 0xA5, 0xAA, 0x59, /* 0x08-0x0B */ @@ -7742,7 +7742,7 @@ static unsigned char u2c_73[512] = { 0xAC, 0x44, 0xAC, 0x45, 0xAC, 0x46, 0xAC, 0x47, /* 0xFC-0xFF */ }; -static unsigned char u2c_74[512] = { +static const unsigned char u2c_74[512] = { 0xAC, 0x48, 0xAC, 0x49, 0xAC, 0x4A, 0xC7, 0xF2, /* 0x00-0x03 */ 0xAC, 0x4B, 0xC0, 0xC5, 0xC0, 0xED, 0xAC, 0x4C, /* 0x04-0x07 */ 0xAC, 0x4D, 0xC1, 0xF0, 0xE7, 0xF0, 0xAC, 0x4E, /* 0x08-0x0B */ @@ -7810,7 +7810,7 @@ static unsigned char u2c_74[512] = { 0xAE, 0x46, 0xAE, 0x47, 0xAE, 0x48, 0xEA, 0xB3, /* 0xFC-0xFF */ }; -static unsigned char u2c_75[512] = { +static const unsigned char u2c_75[512] = { 0xAE, 0x49, 0xAE, 0x4A, 0xAE, 0x4B, 0xAE, 0x4C, /* 0x00-0x03 */ 0xD5, 0xE7, 0xAE, 0x4D, 0xAE, 0x4E, 0xAE, 0x4F, /* 0x04-0x07 */ 0xAE, 0x50, 0xAE, 0x51, 0xAE, 0x52, 0xAE, 0x53, /* 0x08-0x0B */ @@ -7878,7 +7878,7 @@ static unsigned char u2c_75[512] = { 0xF0, 0xF3, 0xAF, 0x79, 0xAF, 0x7A, 0xF0, 0xF4, /* 0xFC-0xFF */ }; -static unsigned char u2c_76[512] = { +static const unsigned char u2c_76[512] = { 0xF0, 0xF6, 0xB4, 0xE1, 0xAF, 0x7B, 0xF0, 0xF1, /* 0x00-0x03 */ 0xAF, 0x7C, 0xF0, 0xF7, 0xAF, 0x7D, 0xAF, 0x7E, /* 0x04-0x07 */ 0xAF, 0x80, 0xAF, 0x81, 0xF0, 0xFA, 0xAF, 0x82, /* 0x08-0x0B */ @@ -7946,7 +7946,7 @@ static unsigned char u2c_76[512] = { 0xC5, 0xCE, 0xB1, 0x60, 0xB6, 0xDC, 0xB1, 0x61, /* 0xFC-0xFF */ }; -static unsigned char u2c_77[512] = { +static const unsigned char u2c_77[512] = { 0xB1, 0x62, 0xCA, 0xA1, 0xB1, 0x63, 0xB1, 0x64, /* 0x00-0x03 */ 0xED, 0xED, 0xB1, 0x65, 0xB1, 0x66, 0xED, 0xF0, /* 0x04-0x07 */ 0xED, 0xF1, 0xC3, 0xBC, 0xB1, 0x67, 0xBF, 0xB4, /* 0x08-0x0B */ @@ -8014,7 +8014,7 @@ static unsigned char u2c_77[512] = { 0xB3, 0x4D, 0xCE, 0xF9, 0xB7, 0xAF, 0xBF, 0xF3, /* 0xFC-0xFF */ }; -static unsigned char u2c_78[512] = { +static const unsigned char u2c_78[512] = { 0xED, 0xB8, 0xC2, 0xEB, 0xC9, 0xB0, 0xB3, 0x4E, /* 0x00-0x03 */ 0xB3, 0x4F, 0xB3, 0x50, 0xB3, 0x51, 0xB3, 0x52, /* 0x04-0x07 */ 0xB3, 0x53, 0xED, 0xB9, 0xB3, 0x54, 0xB3, 0x55, /* 0x08-0x0B */ @@ -8082,7 +8082,7 @@ static unsigned char u2c_78[512] = { 0xB4, 0x92, 0xB4, 0x93, 0xB4, 0x94, 0xB4, 0x95, /* 0xFC-0xFF */ }; -static unsigned char u2c_79[512] = { +static const unsigned char u2c_79[512] = { 0xB4, 0x96, 0xBD, 0xB8, 0xB4, 0x97, 0xB4, 0x98, /* 0x00-0x03 */ 0xB4, 0x99, 0xED, 0xE2, 0xB4, 0x9A, 0xB4, 0x9B, /* 0x04-0x07 */ 0xB4, 0x9C, 0xB4, 0x9D, 0xB4, 0x9E, 0xB4, 0x9F, /* 0x08-0x0B */ @@ -8150,7 +8150,7 @@ static unsigned char u2c_79[512] = { 0xB6, 0x8B, 0xBB, 0xE0, 0xB6, 0x8C, 0xB6, 0x8D, /* 0xFC-0xFF */ }; -static unsigned char u2c_7A[512] = { +static const unsigned char u2c_7A[512] = { 0xCF, 0xA1, 0xB6, 0x8E, 0xEF, 0xFC, 0xEF, 0xFB, /* 0x00-0x03 */ 0xB6, 0x8F, 0xB6, 0x90, 0xEF, 0xF9, 0xB6, 0x91, /* 0x04-0x07 */ 0xB6, 0x92, 0xB6, 0x93, 0xB6, 0x94, 0xB3, 0xCC, /* 0x08-0x0B */ @@ -8218,7 +8218,7 @@ static unsigned char u2c_7A[512] = { 0xB8, 0x86, 0xF3, 0xC4, 0xB8, 0x87, 0xB8, 0xCD, /* 0xFC-0xFF */ }; -static unsigned char u2c_7B[512] = { +static const unsigned char u2c_7B[512] = { 0xB8, 0x88, 0xB8, 0x89, 0xB8, 0x8A, 0xF3, 0xC6, /* 0x00-0x03 */ 0xF3, 0xC7, 0xB8, 0x8B, 0xB0, 0xCA, 0xB8, 0x8C, /* 0x04-0x07 */ 0xF3, 0xC5, 0xB8, 0x8D, 0xF3, 0xC9, 0xCB, 0xF1, /* 0x08-0x0B */ @@ -8286,7 +8286,7 @@ static unsigned char u2c_7B[512] = { 0xF3, 0xFB, 0xBA, 0x68, 0xF3, 0xFA, 0xBA, 0x69, /* 0xFC-0xFF */ }; -static unsigned char u2c_7C[512] = { +static const unsigned char u2c_7C[512] = { 0xBA, 0x6A, 0xBA, 0x6B, 0xBA, 0x6C, 0xBA, 0x6D, /* 0x00-0x03 */ 0xBA, 0x6E, 0xBA, 0x6F, 0xBA, 0x70, 0xB4, 0xD8, /* 0x04-0x07 */ 0xBA, 0x71, 0xBA, 0x72, 0xBA, 0x73, 0xF3, 0xFE, /* 0x08-0x0B */ @@ -8354,7 +8354,7 @@ static unsigned char u2c_7C[512] = { 0xBC, 0x6B, 0xBC, 0x6C, 0xBC, 0x6D, 0xBC, 0x6E, /* 0xFC-0xFF */ }; -static unsigned char u2c_7D[512] = { +static const unsigned char u2c_7D[512] = { 0xBC, 0x6F, 0xBC, 0x70, 0xBC, 0x71, 0xBC, 0x72, /* 0x00-0x03 */ 0xBC, 0x73, 0xBC, 0x74, 0xBC, 0x75, 0xBC, 0x76, /* 0x04-0x07 */ 0xBC, 0x77, 0xBC, 0x78, 0xCE, 0xC9, 0xBC, 0x79, /* 0x08-0x0B */ @@ -8422,7 +8422,7 @@ static unsigned char u2c_7D[512] = { 0xBF, 0x41, 0xBF, 0x42, 0xBF, 0x43, 0xBF, 0x44, /* 0xFC-0xFF */ }; -static unsigned char u2c_7E[512] = { +static const unsigned char u2c_7E[512] = { 0xBF, 0x45, 0xBF, 0x46, 0xBF, 0x47, 0xBF, 0x48, /* 0x00-0x03 */ 0xBF, 0x49, 0xBF, 0x4A, 0xBF, 0x4B, 0xBF, 0x4C, /* 0x04-0x07 */ 0xBF, 0x4D, 0xBF, 0x4E, 0xBF, 0x4F, 0xBF, 0x50, /* 0x08-0x0B */ @@ -8490,7 +8490,7 @@ static unsigned char u2c_7E[512] = { 0xD7, 0xDB, 0xD5, 0xC0, 0xE7, 0xBA, 0xC2, 0xCC, /* 0xFC-0xFF */ }; -static unsigned char u2c_7F[512] = { +static const unsigned char u2c_7F[512] = { 0xD7, 0xBA, 0xE7, 0xBB, 0xE7, 0xBC, 0xE7, 0xBD, /* 0x00-0x03 */ 0xBC, 0xEA, 0xC3, 0xE5, 0xC0, 0xC2, 0xE7, 0xBE, /* 0x04-0x07 */ 0xE7, 0xBF, 0xBC, 0xA9, 0xC0, 0x88, 0xE7, 0xC0, /* 0x08-0x0B */ @@ -8558,7 +8558,7 @@ static unsigned char u2c_7F[512] = { 0xD2, 0xED, 0xC2, 0x50, 0xC2, 0x51, 0xC2, 0x52, /* 0xFC-0xFF */ }; -static unsigned char u2c_80[512] = { +static const unsigned char u2c_80[512] = { 0xD2, 0xAB, 0xC0, 0xCF, 0xC2, 0x53, 0xBF, 0xBC, /* 0x00-0x03 */ 0xEB, 0xA3, 0xD5, 0xDF, 0xEA, 0xC8, 0xC2, 0x54, /* 0x04-0x07 */ 0xC2, 0x55, 0xC2, 0x56, 0xC2, 0x57, 0xF1, 0xF3, /* 0x08-0x0B */ @@ -8626,7 +8626,7 @@ static unsigned char u2c_80[512] = { 0xEB, 0xDD, 0xC4, 0xDC, 0xC3, 0x75, 0xC3, 0x76, /* 0xFC-0xFF */ }; -static unsigned char u2c_81[512] = { +static const unsigned char u2c_81[512] = { 0xC3, 0x77, 0xC3, 0x78, 0xD6, 0xAC, 0xC3, 0x79, /* 0x00-0x03 */ 0xC3, 0x7A, 0xC3, 0x7B, 0xB4, 0xE0, 0xC3, 0x7C, /* 0x04-0x07 */ 0xC3, 0x7D, 0xC2, 0xF6, 0xBC, 0xB9, 0xC3, 0x7E, /* 0x08-0x0B */ @@ -8694,7 +8694,7 @@ static unsigned char u2c_81[512] = { 0xBE, 0xCA, 0xC5, 0x60, 0xF4, 0xA7, 0xC5, 0x61, /* 0xFC-0xFF */ }; -static unsigned char u2c_82[512] = { +static const unsigned char u2c_82[512] = { 0xD2, 0xA8, 0xF4, 0xA8, 0xF4, 0xA9, 0xC5, 0x62, /* 0x00-0x03 */ 0xF4, 0xAA, 0xBE, 0xCB, 0xD3, 0xDF, 0xC5, 0x63, /* 0x04-0x07 */ 0xC5, 0x64, 0xC5, 0x65, 0xC5, 0x66, 0xC5, 0x67, /* 0x08-0x0B */ @@ -8762,7 +8762,7 @@ static unsigned char u2c_82[512] = { 0xC6, 0x81, 0xC6, 0x82, 0xC6, 0x83, 0xC6, 0x84, /* 0xFC-0xFF */ }; -static unsigned char u2c_83[512] = { +static const unsigned char u2c_83[512] = { 0xC6, 0x85, 0xD7, 0xC2, 0xC3, 0xAF, 0xB7, 0xB6, /* 0x00-0x03 */ 0xC7, 0xD1, 0xC3, 0xA9, 0xDC, 0xE2, 0xDC, 0xD8, /* 0x04-0x07 */ 0xDC, 0xEB, 0xDC, 0xD4, 0xC6, 0x86, 0xC6, 0x87, /* 0x08-0x0B */ @@ -8830,7 +8830,7 @@ static unsigned char u2c_83[512] = { 0xC8, 0x49, 0xDD, 0xC4, 0xC8, 0x4A, 0xC8, 0x4B, /* 0xFC-0xFF */ }; -static unsigned char u2c_84[512] = { +static const unsigned char u2c_84[512] = { 0xC8, 0x4C, 0xDD, 0xBD, 0xC8, 0x4D, 0xDD, 0xCD, /* 0x00-0x03 */ 0xCC, 0xD1, 0xC8, 0x4E, 0xDD, 0xC9, 0xC8, 0x4F, /* 0x04-0x07 */ 0xC8, 0x50, 0xC8, 0x51, 0xC8, 0x52, 0xDD, 0xC2, /* 0x08-0x0B */ @@ -8898,7 +8898,7 @@ static unsigned char u2c_84[512] = { 0xDE, 0xA4, 0xC9, 0x9C, 0xC9, 0x9D, 0xDE, 0xA3, /* 0xFC-0xFF */ }; -static unsigned char u2c_85[512] = { +static const unsigned char u2c_85[512] = { 0xC9, 0x9E, 0xC9, 0x9F, 0xC9, 0xA0, 0xCA, 0x40, /* 0x00-0x03 */ 0xCA, 0x41, 0xCA, 0x42, 0xCA, 0x43, 0xCA, 0x44, /* 0x04-0x07 */ 0xCA, 0x45, 0xCA, 0x46, 0xCA, 0x47, 0xCA, 0x48, /* 0x08-0x0B */ @@ -8966,7 +8966,7 @@ static unsigned char u2c_85[512] = { 0xCC, 0x42, 0xCC, 0x43, 0xCC, 0x44, 0xDE, 0xBD, /* 0xFC-0xFF */ }; -static unsigned char u2c_86[512] = { +static const unsigned char u2c_86[512] = { 0xCC, 0x45, 0xCC, 0x46, 0xCC, 0x47, 0xCC, 0x48, /* 0x00-0x03 */ 0xCC, 0x49, 0xDE, 0xBF, 0xCC, 0x4A, 0xCC, 0x4B, /* 0x04-0x07 */ 0xCC, 0x4C, 0xCC, 0x4D, 0xCC, 0x4E, 0xCC, 0x4F, /* 0x08-0x0B */ @@ -9034,7 +9034,7 @@ static unsigned char u2c_86[512] = { 0xCD, 0x92, 0xCD, 0x93, 0xB6, 0xEA, 0xCD, 0x94, /* 0xFC-0xFF */ }; -static unsigned char u2c_87[512] = { +static const unsigned char u2c_87[512] = { 0xCA, 0xF1, 0xCD, 0x95, 0xB7, 0xE4, 0xF2, 0xD7, /* 0x00-0x03 */ 0xCD, 0x96, 0xCD, 0x97, 0xCD, 0x98, 0xF2, 0xD8, /* 0x04-0x07 */ 0xF2, 0xDA, 0xF2, 0xDD, 0xF2, 0xDB, 0xCD, 0x99, /* 0x08-0x0B */ @@ -9102,7 +9102,7 @@ static unsigned char u2c_87[512] = { 0xCF, 0x82, 0xCF, 0x83, 0xF3, 0xB8, 0xCF, 0x84, /* 0xFC-0xFF */ }; -static unsigned char u2c_88[512] = { +static const unsigned char u2c_88[512] = { 0xCF, 0x85, 0xCF, 0x86, 0xCF, 0x87, 0xD9, 0xF9, /* 0x00-0x03 */ 0xCF, 0x88, 0xCF, 0x89, 0xCF, 0x8A, 0xCF, 0x8B, /* 0x04-0x07 */ 0xCF, 0x8C, 0xCF, 0x8D, 0xF3, 0xB9, 0xCF, 0x8E, /* 0x08-0x0B */ @@ -9170,7 +9170,7 @@ static unsigned char u2c_88[512] = { 0xF1, 0xD3, 0xD1, 0x75, 0xF1, 0xD5, 0xD1, 0x76, /* 0xFC-0xFF */ }; -static unsigned char u2c_89[512] = { +static const unsigned char u2c_89[512] = { 0xD1, 0x77, 0xD1, 0x78, 0xB9, 0xD3, 0xD1, 0x79, /* 0x00-0x03 */ 0xD1, 0x7A, 0xD1, 0x7B, 0xD1, 0x7C, 0xD1, 0x7D, /* 0x04-0x07 */ 0xD1, 0x7E, 0xD1, 0x80, 0xF1, 0xDB, 0xD1, 0x81, /* 0x08-0x0B */ @@ -9238,7 +9238,7 @@ static unsigned char u2c_89[512] = { 0xD3, 0x81, 0xD3, 0x82, 0xD3, 0x83, 0xD3, 0x84, /* 0xFC-0xFF */ }; -static unsigned char u2c_8A[512] = { +static const unsigned char u2c_8A[512] = { 0xD1, 0xD4, 0xD3, 0x85, 0xD3, 0x86, 0xD3, 0x87, /* 0x00-0x03 */ 0xD3, 0x88, 0xD3, 0x89, 0xD3, 0x8A, 0xD9, 0xEA, /* 0x04-0x07 */ 0xD3, 0x8B, 0xD3, 0x8C, 0xD3, 0x8D, 0xD3, 0x8E, /* 0x08-0x0B */ @@ -9306,7 +9306,7 @@ static unsigned char u2c_8A[512] = { 0xD6, 0x58, 0xD6, 0x59, 0xD6, 0x5A, 0xD6, 0x5B, /* 0xFC-0xFF */ }; -static unsigned char u2c_8B[512] = { +static const unsigned char u2c_8B[512] = { 0xD6, 0x5C, 0xD6, 0x5D, 0xD6, 0x5E, 0xD6, 0x5F, /* 0x00-0x03 */ 0xD6, 0x60, 0xD6, 0x61, 0xD6, 0x62, 0xE5, 0xC0, /* 0x04-0x07 */ 0xD6, 0x63, 0xD6, 0x64, 0xD6, 0x65, 0xD6, 0x66, /* 0x08-0x0B */ @@ -9374,7 +9374,7 @@ static unsigned char u2c_8B[512] = { 0xDA, 0xC2, 0xB7, 0xCC, 0xBF, 0xCE, 0xDA, 0xC3, /* 0xFC-0xFF */ }; -static unsigned char u2c_8C[512] = { +static const unsigned char u2c_8C[512] = { 0xDA, 0xC4, 0xCB, 0xAD, 0xDA, 0xC5, 0xB5, 0xF7, /* 0x00-0x03 */ 0xDA, 0xC6, 0xC1, 0xC2, 0xD7, 0xBB, 0xDA, 0xC7, /* 0x04-0x07 */ 0xCC, 0xB8, 0xD7, 0x9F, 0xD2, 0xEA, 0xC4, 0xB1, /* 0x08-0x0B */ @@ -9442,7 +9442,7 @@ static unsigned char u2c_8C[512] = { 0xD9, 0x8F, 0xD9, 0x90, 0xD9, 0x91, 0xD9, 0x92, /* 0xFC-0xFF */ }; -static unsigned char u2c_8D[512] = { +static const unsigned char u2c_8D[512] = { 0xD9, 0x93, 0xD9, 0x94, 0xD9, 0x95, 0xD9, 0x96, /* 0x00-0x03 */ 0xD9, 0x97, 0xD9, 0x98, 0xD9, 0x99, 0xD9, 0x9A, /* 0x04-0x07 */ 0xD9, 0x9B, 0xD9, 0x9C, 0xD9, 0x9D, 0xD9, 0x9E, /* 0x08-0x0B */ @@ -9510,7 +9510,7 @@ static unsigned char u2c_8D[512] = { 0xDB, 0x52, 0xF5, 0xD5, 0xDB, 0x53, 0xDB, 0x54, /* 0xFC-0xFF */ }; -static unsigned char u2c_8E[512] = { +static const unsigned char u2c_8E[512] = { 0xDB, 0x55, 0xDB, 0x56, 0xDB, 0x57, 0xDB, 0x58, /* 0x00-0x03 */ 0xDB, 0x59, 0xF5, 0xBD, 0xDB, 0x5A, 0xDB, 0x5B, /* 0x04-0x07 */ 0xDB, 0x5C, 0xF5, 0xD4, 0xD3, 0xBB, 0xDB, 0x5D, /* 0x08-0x0B */ @@ -9578,7 +9578,7 @@ static unsigned char u2c_8E[512] = { 0xDD, 0x57, 0xDD, 0x58, 0xDD, 0x59, 0xDD, 0x5A, /* 0xFC-0xFF */ }; -static unsigned char u2c_8F[512] = { +static const unsigned char u2c_8F[512] = { 0xDD, 0x5B, 0xDD, 0x5C, 0xDD, 0x5D, 0xDD, 0x5E, /* 0x00-0x03 */ 0xDD, 0x5F, 0xDD, 0x60, 0xDD, 0x61, 0xDD, 0x62, /* 0x04-0x07 */ 0xDD, 0x63, 0xDD, 0x64, 0xDD, 0x65, 0xDD, 0x66, /* 0x08-0x0B */ @@ -9646,7 +9646,7 @@ static unsigned char u2c_8F[512] = { 0xDE, 0x97, 0xD7, 0xB7, 0xDE, 0x98, 0xDE, 0x99, /* 0xFC-0xFF */ }; -static unsigned char u2c_90[512] = { +static const unsigned char u2c_90[512] = { 0xCD, 0xCB, 0xCB, 0xCD, 0xCA, 0xCA, 0xCC, 0xD3, /* 0x00-0x03 */ 0xE5, 0xCC, 0xE5, 0xCB, 0xC4, 0xE6, 0xDE, 0x9A, /* 0x04-0x07 */ 0xDE, 0x9B, 0xD1, 0xA1, 0xD1, 0xB7, 0xE5, 0xCD, /* 0x08-0x0B */ @@ -9714,7 +9714,7 @@ static unsigned char u2c_90[512] = { 0xE0, 0x63, 0xB6, 0xBC, 0xDB, 0xB1, 0xE0, 0x64, /* 0xFC-0xFF */ }; -static unsigned char u2c_91[512] = { +static const unsigned char u2c_91[512] = { 0xE0, 0x65, 0xE0, 0x66, 0xB6, 0xF5, 0xE0, 0x67, /* 0x00-0x03 */ 0xDB, 0xB2, 0xE0, 0x68, 0xE0, 0x69, 0xE0, 0x6A, /* 0x04-0x07 */ 0xE0, 0x6B, 0xE0, 0x6C, 0xE0, 0x6D, 0xE0, 0x6E, /* 0x08-0x0B */ @@ -9782,7 +9782,7 @@ static unsigned char u2c_91[512] = { 0xE2, 0x56, 0xE2, 0x57, 0xE2, 0x58, 0xE2, 0x59, /* 0xFC-0xFF */ }; -static unsigned char u2c_92[512] = { +static const unsigned char u2c_92[512] = { 0xE2, 0x5A, 0xE2, 0x5B, 0xE2, 0x5C, 0xE2, 0x5D, /* 0x00-0x03 */ 0xE2, 0x5E, 0xE2, 0x5F, 0xE2, 0x60, 0xE2, 0x61, /* 0x04-0x07 */ 0xE2, 0x62, 0xE2, 0x63, 0xE2, 0x64, 0xE2, 0x65, /* 0x08-0x0B */ @@ -9850,7 +9850,7 @@ static unsigned char u2c_92[512] = { 0xE4, 0x93, 0xE4, 0x94, 0xE4, 0x95, 0xE4, 0x96, /* 0xFC-0xFF */ }; -static unsigned char u2c_93[512] = { +static const unsigned char u2c_93[512] = { 0xE4, 0x97, 0xE4, 0x98, 0xE4, 0x99, 0xE4, 0x9A, /* 0x00-0x03 */ 0xE4, 0x9B, 0xE4, 0x9C, 0xE4, 0x9D, 0xE4, 0x9E, /* 0x04-0x07 */ 0xE4, 0x9F, 0xE4, 0xA0, 0xE5, 0x40, 0xE5, 0x41, /* 0x08-0x0B */ @@ -9918,7 +9918,7 @@ static unsigned char u2c_93[512] = { 0xE7, 0x6D, 0xE7, 0x6E, 0xE7, 0x6F, 0xE7, 0x70, /* 0xFC-0xFF */ }; -static unsigned char u2c_94[512] = { +static const unsigned char u2c_94[512] = { 0xE7, 0x71, 0xE7, 0x72, 0xE7, 0x73, 0xE7, 0x74, /* 0x00-0x03 */ 0xE7, 0x75, 0xE7, 0x76, 0xE7, 0x77, 0xE7, 0x78, /* 0x04-0x07 */ 0xE7, 0x79, 0xE7, 0x7A, 0xE7, 0x7B, 0xE7, 0x7C, /* 0x08-0x0B */ @@ -9986,7 +9986,7 @@ static unsigned char u2c_94[512] = { 0xEF, 0xAA, 0xEF, 0xAB, 0xC1, 0xB4, 0xEF, 0xAC, /* 0xFC-0xFF */ }; -static unsigned char u2c_95[512] = { +static const unsigned char u2c_95[512] = { 0xCF, 0xFA, 0xCB, 0xF8, 0xEF, 0xAE, 0xEF, 0xAD, /* 0x00-0x03 */ 0xB3, 0xFA, 0xB9, 0xF8, 0xEF, 0xAF, 0xEF, 0xB0, /* 0x04-0x07 */ 0xD0, 0xE2, 0xEF, 0xB1, 0xEF, 0xB2, 0xB7, 0xE6, /* 0x08-0x0B */ @@ -10054,7 +10054,7 @@ static unsigned char u2c_95[512] = { 0xE3, 0xCB, 0xC3, 0xF6, 0xE3, 0xCC, 0xEA, 0x5D, /* 0xFC-0xFF */ }; -static unsigned char u2c_96[512] = { +static const unsigned char u2c_96[512] = { 0xB7, 0xA7, 0xB8, 0xF3, 0xBA, 0xD2, 0xE3, 0xCD, /* 0x00-0x03 */ 0xE3, 0xCE, 0xD4, 0xC4, 0xE3, 0xCF, 0xEA, 0x5E, /* 0x04-0x07 */ 0xE3, 0xD0, 0xD1, 0xCB, 0xE3, 0xD1, 0xE3, 0xD2, /* 0x08-0x0B */ @@ -10122,7 +10122,7 @@ static unsigned char u2c_96[512] = { 0xEB, 0x8B, 0xEB, 0x8C, 0xCE, 0xED, 0xEB, 0x8D, /* 0xFC-0xFF */ }; -static unsigned char u2c_97[512] = { +static const unsigned char u2c_97[512] = { 0xD0, 0xE8, 0xF6, 0xAB, 0xEB, 0x8E, 0xEB, 0x8F, /* 0x00-0x03 */ 0xCF, 0xF6, 0xEB, 0x90, 0xF6, 0xAA, 0xD5, 0xF0, /* 0x04-0x07 */ 0xF6, 0xAC, 0xC3, 0xB9, 0xEB, 0x91, 0xEB, 0x92, /* 0x08-0x0B */ @@ -10190,7 +10190,7 @@ static unsigned char u2c_97[512] = { 0xED, 0x8E, 0xED, 0x8F, 0xED, 0x90, 0xED, 0x91, /* 0xFC-0xFF */ }; -static unsigned char u2c_98[512] = { +static const unsigned char u2c_98[512] = { 0xED, 0x92, 0xED, 0x93, 0xED, 0x94, 0xED, 0x95, /* 0x00-0x03 */ 0xED, 0x96, 0xED, 0x97, 0xED, 0x98, 0xED, 0x99, /* 0x04-0x07 */ 0xED, 0x9A, 0xED, 0x9B, 0xED, 0x9C, 0xED, 0x9D, /* 0x08-0x0B */ @@ -10258,7 +10258,7 @@ static unsigned char u2c_98[512] = { 0xEF, 0x95, 0xEF, 0x96, 0xEF, 0x97, 0xEF, 0x98, /* 0xFC-0xFF */ }; -static unsigned char u2c_99[512] = { +static const unsigned char u2c_99[512] = { 0xEF, 0x99, 0xEF, 0x9A, 0xEF, 0x9B, 0xEF, 0x9C, /* 0x00-0x03 */ 0xEF, 0x9D, 0xEF, 0x9E, 0xEF, 0x9F, 0xEF, 0xA0, /* 0x04-0x07 */ 0xF0, 0x40, 0xF0, 0x41, 0xF0, 0x42, 0xF0, 0x43, /* 0x08-0x0B */ @@ -10326,7 +10326,7 @@ static unsigned char u2c_99[512] = { 0xF2, 0x42, 0xF2, 0x43, 0xF2, 0x44, 0xF2, 0x45, /* 0xFC-0xFF */ }; -static unsigned char u2c_9A[512] = { +static const unsigned char u2c_9A[512] = { 0xF2, 0x46, 0xF2, 0x47, 0xF2, 0x48, 0xF2, 0x49, /* 0x00-0x03 */ 0xF2, 0x4A, 0xF2, 0x4B, 0xF2, 0x4C, 0xF2, 0x4D, /* 0x04-0x07 */ 0xF2, 0x4E, 0xF2, 0x4F, 0xF2, 0x50, 0xF2, 0x51, /* 0x08-0x0B */ @@ -10394,7 +10394,7 @@ static unsigned char u2c_9A[512] = { 0xF3, 0x97, 0xF3, 0x98, 0xF3, 0x99, 0xF3, 0x9A, /* 0xFC-0xFF */ }; -static unsigned char u2c_9B[512] = { +static const unsigned char u2c_9B[512] = { 0xF3, 0x9B, 0xF3, 0x9C, 0xF3, 0x9D, 0xD7, 0xD7, /* 0x00-0x03 */ 0xF3, 0x9E, 0xF3, 0x9F, 0xF3, 0xA0, 0xF4, 0x40, /* 0x04-0x07 */ 0xF7, 0xDC, 0xF4, 0x41, 0xF4, 0x42, 0xF4, 0x43, /* 0x08-0x0B */ @@ -10462,7 +10462,7 @@ static unsigned char u2c_9B[512] = { 0xF6, 0x60, 0xF6, 0x61, 0xF6, 0x62, 0xF6, 0x63, /* 0xFC-0xFF */ }; -static unsigned char u2c_9C[512] = { +static const unsigned char u2c_9C[512] = { 0xF6, 0x64, 0xF6, 0x65, 0xF6, 0x66, 0xF6, 0x67, /* 0x00-0x03 */ 0xF6, 0x68, 0xF6, 0x69, 0xF6, 0x6A, 0xF6, 0x6B, /* 0x04-0x07 */ 0xF6, 0x6C, 0xF6, 0x6D, 0xF6, 0x6E, 0xF6, 0x6F, /* 0x08-0x0B */ @@ -10530,7 +10530,7 @@ static unsigned char u2c_9C[512] = { 0xF8, 0x59, 0xF8, 0x5A, 0xF8, 0x5B, 0xF8, 0x5C, /* 0xFC-0xFF */ }; -static unsigned char u2c_9D[512] = { +static const unsigned char u2c_9D[512] = { 0xF8, 0x5D, 0xF8, 0x5E, 0xF8, 0x5F, 0xF8, 0x60, /* 0x00-0x03 */ 0xF8, 0x61, 0xF8, 0x62, 0xF8, 0x63, 0xF8, 0x64, /* 0x04-0x07 */ 0xF8, 0x65, 0xF8, 0x66, 0xF8, 0x67, 0xF8, 0x68, /* 0x08-0x0B */ @@ -10598,7 +10598,7 @@ static unsigned char u2c_9D[512] = { 0xFA, 0x9A, 0xFA, 0x9B, 0xFA, 0x9C, 0xFA, 0x9D, /* 0xFC-0xFF */ }; -static unsigned char u2c_9E[512] = { +static const unsigned char u2c_9E[512] = { 0xFA, 0x9E, 0xFA, 0x9F, 0xFA, 0xA0, 0xFB, 0x40, /* 0x00-0x03 */ 0xFB, 0x41, 0xFB, 0x42, 0xFB, 0x43, 0xFB, 0x44, /* 0x04-0x07 */ 0xFB, 0x45, 0xFB, 0x46, 0xFB, 0x47, 0xFB, 0x48, /* 0x08-0x0B */ @@ -10666,7 +10666,7 @@ static unsigned char u2c_9E[512] = { 0xED, 0xEB, 0xFC, 0x77, 0xF6, 0xBC, 0xFC, 0x78, /* 0xFC-0xFF */ }; -static unsigned char u2c_9F[512] = { +static const unsigned char u2c_9F[512] = { 0xFC, 0x79, 0xFC, 0x7A, 0xFC, 0x7B, 0xFC, 0x7C, /* 0x00-0x03 */ 0xFC, 0x7D, 0xFC, 0x7E, 0xFC, 0x80, 0xFC, 0x81, /* 0x04-0x07 */ 0xFC, 0x82, 0xFC, 0x83, 0xFC, 0x84, 0xF6, 0xBD, /* 0x08-0x0B */ @@ -10712,11 +10712,11 @@ static unsigned char u2c_9F[512] = { 0xFD, 0x9A, 0xFD, 0x9B, 0x00, 0x00, 0x00, 0x00, /* 0xA4-0xA7 */ }; -static unsigned char u2c_DC[512] = { +static const unsigned char u2c_DC[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ }; -static unsigned char u2c_F9[512] = { +static const unsigned char u2c_F9[512] = { 0xD8, 0x4D, 0xB8, 0xFC, 0xDC, 0x87, 0xD9, 0x5A, /* 0x00-0x03 */ 0xBB, 0xAC, 0xB4, 0xAE, 0xBE, 0xE4, 0xFD, 0x94, /* 0x04-0x07 */ 0xFD, 0x94, 0xC6, 0xF5, 0xBD, 0xF0, 0xC0, 0xAE, /* 0x08-0x0B */ @@ -10784,7 +10784,7 @@ static unsigned char u2c_F9[512] = { 0xD7, 0x52, 0xCA, 0xB2, 0xB2, 0xE8, 0xB4, 0xCC, /* 0xFC-0xFF */ }; -static unsigned char u2c_FA[512] = { +static const unsigned char u2c_FA[512] = { 0xC7, 0xD0, 0xB6, 0xC8, 0xCD, 0xD8, 0xCC, 0xC7, /* 0x00-0x03 */ 0xD5, 0xAC, 0xB6, 0xB4, 0xB1, 0xA9, 0xDD, 0x97, /* 0x04-0x07 */ 0xD0, 0xD0, 0xBD, 0xB5, 0xD2, 0x8A, 0xC0, 0xAA, /* 0x08-0x0B */ @@ -10799,7 +10799,7 @@ static unsigned char u2c_FA[512] = { 0xF0, 0x5E, 0xFA, 0x51, 0x00, 0x00, 0x00, 0x00, /* 0x2C-0x2F */ }; -static unsigned char u2c_FE[512] = { +static const unsigned char u2c_FE[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10829,7 +10829,7 @@ static unsigned char u2c_FE[512] = { 0xA9, 0x85, 0xA9, 0x86, 0xA9, 0x87, 0xA9, 0x88, /* 0x68-0x6B */ }; -static unsigned char u2c_FF[512] = { +static const unsigned char u2c_FF[512] = { 0x00, 0x00, 0xA3, 0xA1, 0xA3, 0xA2, 0xA3, 0xA3, /* 0x00-0x03 */ 0xA1, 0xE7, 0xA3, 0xA5, 0xA3, 0xA6, 0xA3, 0xA7, /* 0x04-0x07 */ 0xA3, 0xA8, 0xA3, 0xA9, 0xA3, 0xAA, 0xA3, 0xAB, /* 0x08-0x0B */ @@ -10891,7 +10891,7 @@ static unsigned char u2c_FF[512] = { 0xA9, 0x57, 0xA3, 0xA4, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { u2c_00, u2c_01, u2c_02, u2c_03, u2c_04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -10925,7 +10925,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, u2c_F9, u2c_FA, NULL, NULL, NULL, u2c_FE, u2c_FF, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -10961,7 +10961,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -11000,7 +11000,7 @@ static unsigned char charset2upper[256] = { static int uni2char(const wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni&0xFF; unsigned char ch = (uni>>8)&0xFF; unsigned char out0,out1; @@ -11050,7 +11050,7 @@ static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) { unsigned char ch, cl; - wchar_t *charset2uni; + const wchar_t *charset2uni; int n; if (boundlen <= 0) diff --git a/fs/nls/nls_cp949.c b/fs/nls/nls_cp949.c index 92ae19372f0..8a7a2fe85c6 100644 --- a/fs/nls/nls_cp949.c +++ b/fs/nls/nls_cp949.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t c2u_81[256] = { +static const wchar_t c2u_81[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -49,7 +49,7 @@ static wchar_t c2u_81[256] = { 0xAD09,0xAD0A,0xAD0B,0xAD0E,0xAD10,0xAD12,0xAD13,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_82[256] = { +static const wchar_t c2u_82[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -85,7 +85,7 @@ static wchar_t c2u_82[256] = { 0xADF1,0xADF2,0xADF3,0xADF4,0xADF5,0xADF6,0xADF7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_83[256] = { +static const wchar_t c2u_83[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -121,7 +121,7 @@ static wchar_t c2u_83[256] = { 0xAEDF,0xAEE0,0xAEE1,0xAEE2,0xAEE3,0xAEE4,0xAEE5,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_84[256] = { +static const wchar_t c2u_84[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -157,7 +157,7 @@ static wchar_t c2u_84[256] = { 0xAFB5,0xAFB6,0xAFB7,0xAFBA,0xAFBB,0xAFBD,0xAFBE,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_85[256] = { +static const wchar_t c2u_85[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -193,7 +193,7 @@ static wchar_t c2u_85[256] = { 0xB096,0xB097,0xB09B,0xB09D,0xB09E,0xB0A3,0xB0A4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_86[256] = { +static const wchar_t c2u_86[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -229,7 +229,7 @@ static wchar_t c2u_86[256] = { 0xB195,0xB196,0xB197,0xB199,0xB19A,0xB19B,0xB19D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_87[256] = { +static const wchar_t c2u_87[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -265,7 +265,7 @@ static wchar_t c2u_87[256] = { 0xB266,0xB267,0xB26A,0xB26B,0xB26C,0xB26D,0xB26E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_88[256] = { +static const wchar_t c2u_88[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -301,7 +301,7 @@ static wchar_t c2u_88[256] = { 0xB359,0xB35A,0xB35D,0xB360,0xB361,0xB362,0xB363,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_89[256] = { +static const wchar_t c2u_89[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -337,7 +337,7 @@ static wchar_t c2u_89[256] = { 0xB43E,0xB43F,0xB440,0xB441,0xB442,0xB443,0xB444,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8A[256] = { +static const wchar_t c2u_8A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -373,7 +373,7 @@ static wchar_t c2u_8A[256] = { 0xB512,0xB513,0xB516,0xB517,0xB519,0xB51A,0xB51D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8B[256] = { +static const wchar_t c2u_8B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -409,7 +409,7 @@ static wchar_t c2u_8B[256] = { 0xB5F9,0xB5FA,0xB5FB,0xB5FC,0xB5FD,0xB5FE,0xB5FF,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8C[256] = { +static const wchar_t c2u_8C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -445,7 +445,7 @@ static wchar_t c2u_8C[256] = { 0xB6BC,0xB6BD,0xB6BE,0xB6BF,0xB6C0,0xB6C1,0xB6C2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8D[256] = { +static const wchar_t c2u_8D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -481,7 +481,7 @@ static wchar_t c2u_8D[256] = { 0xB793,0xB794,0xB795,0xB79A,0xB79B,0xB79D,0xB79E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8E[256] = { +static const wchar_t c2u_8E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -517,7 +517,7 @@ static wchar_t c2u_8E[256] = { 0xB87E,0xB87F,0xB880,0xB881,0xB882,0xB883,0xB884,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_8F[256] = { +static const wchar_t c2u_8F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -553,7 +553,7 @@ static wchar_t c2u_8F[256] = { 0xB950,0xB952,0xB953,0xB954,0xB955,0xB956,0xB957,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_90[256] = { +static const wchar_t c2u_90[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -589,7 +589,7 @@ static wchar_t c2u_90[256] = { 0xBA3E,0xBA3F,0xBA41,0xBA43,0xBA44,0xBA45,0xBA46,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_91[256] = { +static const wchar_t c2u_91[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -625,7 +625,7 @@ static wchar_t c2u_91[256] = { 0xBB21,0xBB22,0xBB23,0xBB24,0xBB25,0xBB26,0xBB27,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_92[256] = { +static const wchar_t c2u_92[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -661,7 +661,7 @@ static wchar_t c2u_92[256] = { 0xBBF6,0xBBF7,0xBBFA,0xBBFB,0xBBFD,0xBBFE,0xBC01,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_93[256] = { +static const wchar_t c2u_93[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -697,7 +697,7 @@ static wchar_t c2u_93[256] = { 0xBCF2,0xBCF3,0xBCF7,0xBCF9,0xBCFA,0xBCFB,0xBCFD,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_94[256] = { +static const wchar_t c2u_94[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -733,7 +733,7 @@ static wchar_t c2u_94[256] = { 0xBDCB,0xBDCC,0xBDCD,0xBDCE,0xBDCF,0xBDD0,0xBDD1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_95[256] = { +static const wchar_t c2u_95[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -769,7 +769,7 @@ static wchar_t c2u_95[256] = { 0xBEB1,0xBEB2,0xBEB3,0xBEB4,0xBEB5,0xBEB6,0xBEB7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_96[256] = { +static const wchar_t c2u_96[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -805,7 +805,7 @@ static wchar_t c2u_96[256] = { 0xBF7C,0xBF7D,0xBF7E,0xBF7F,0xBF80,0xBF81,0xBF82,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_97[256] = { +static const wchar_t c2u_97[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -841,7 +841,7 @@ static wchar_t c2u_97[256] = { 0xC038,0xC039,0xC03A,0xC03B,0xC03D,0xC03E,0xC03F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_98[256] = { +static const wchar_t c2u_98[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -877,7 +877,7 @@ static wchar_t c2u_98[256] = { 0xC122,0xC125,0xC128,0xC129,0xC12A,0xC12B,0xC12E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_99[256] = { +static const wchar_t c2u_99[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -913,7 +913,7 @@ static wchar_t c2u_99[256] = { 0xC21A,0xC21B,0xC21D,0xC21E,0xC221,0xC222,0xC223,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9A[256] = { +static const wchar_t c2u_9A[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -949,7 +949,7 @@ static wchar_t c2u_9A[256] = { 0xC305,0xC306,0xC307,0xC30A,0xC30B,0xC30E,0xC30F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9B[256] = { +static const wchar_t c2u_9B[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -985,7 +985,7 @@ static wchar_t c2u_9B[256] = { 0xC3D2,0xC3D3,0xC3D4,0xC3D5,0xC3D6,0xC3D7,0xC3DA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9C[256] = { +static const wchar_t c2u_9C[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1021,7 +1021,7 @@ static wchar_t c2u_9C[256] = { 0xC4A3,0xC4A4,0xC4A5,0xC4A6,0xC4A7,0xC4A8,0xC4A9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9D[256] = { +static const wchar_t c2u_9D[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1057,7 +1057,7 @@ static wchar_t c2u_9D[256] = { 0xC58A,0xC58B,0xC58E,0xC590,0xC592,0xC593,0xC594,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9E[256] = { +static const wchar_t c2u_9E[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1093,7 +1093,7 @@ static wchar_t c2u_9E[256] = { 0xC69E,0xC69F,0xC6A0,0xC6A1,0xC6A2,0xC6A3,0xC6A6,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_9F[256] = { +static const wchar_t c2u_9F[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1129,7 +1129,7 @@ static wchar_t c2u_9F[256] = { 0xC7AF,0xC7B1,0xC7B2,0xC7B3,0xC7B5,0xC7B6,0xC7B7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A0[256] = { +static const wchar_t c2u_A0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1165,7 +1165,7 @@ static wchar_t c2u_A0[256] = { 0xC89B,0xC89C,0xC89E,0xC8A0,0xC8A2,0xC8A3,0xC8A4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A1[256] = { +static const wchar_t c2u_A1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1201,7 +1201,7 @@ static wchar_t c2u_A1[256] = { 0x2282,0x2283,0x222A,0x2229,0x2227,0x2228,0xFFE2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A2[256] = { +static const wchar_t c2u_A2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1234,7 +1234,7 @@ static wchar_t c2u_A2[256] = { 0x2116,0x33C7,0x2122,0x33C2,0x33D8,0x2121,0x20AC,0x00AE,/* 0xE0-0xE7 */ }; -static wchar_t c2u_A3[256] = { +static const wchar_t c2u_A3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1270,7 +1270,7 @@ static wchar_t c2u_A3[256] = { 0xFF58,0xFF59,0xFF5A,0xFF5B,0xFF5C,0xFF5D,0xFFE3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A4[256] = { +static const wchar_t c2u_A4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1306,7 +1306,7 @@ static wchar_t c2u_A4[256] = { 0x3188,0x3189,0x318A,0x318B,0x318C,0x318D,0x318E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A5[256] = { +static const wchar_t c2u_A5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1342,7 +1342,7 @@ static wchar_t c2u_A5[256] = { 0x03C9,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A6[256] = { +static const wchar_t c2u_A6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1375,7 +1375,7 @@ static wchar_t c2u_A6[256] = { 0x2546,0x2547,0x2548,0x2549,0x254A,0x0000,0x0000,0x0000,/* 0xE0-0xE7 */ }; -static wchar_t c2u_A7[256] = { +static const wchar_t c2u_A7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1409,7 +1409,7 @@ static wchar_t c2u_A7[256] = { 0x33AC,0x33DD,0x33D0,0x33D3,0x33C3,0x33C9,0x33DC,0x33C6,/* 0xE8-0xEF */ }; -static wchar_t c2u_A8[256] = { +static const wchar_t c2u_A8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1445,7 +1445,7 @@ static wchar_t c2u_A8[256] = { 0x2154,0x00BC,0x00BE,0x215B,0x215C,0x215D,0x215E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A9[256] = { +static const wchar_t c2u_A9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1481,7 +1481,7 @@ static wchar_t c2u_A9[256] = { 0x00B3,0x2074,0x207F,0x2081,0x2082,0x2083,0x2084,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AA[256] = { +static const wchar_t c2u_AA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1516,7 +1516,7 @@ static wchar_t c2u_AA[256] = { 0x3090,0x3091,0x3092,0x3093,0x0000,0x0000,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_AB[256] = { +static const wchar_t c2u_AB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1551,7 +1551,7 @@ static wchar_t c2u_AB[256] = { 0x30F0,0x30F1,0x30F2,0x30F3,0x30F4,0x30F5,0x30F6,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_AC[256] = { +static const wchar_t c2u_AC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1586,7 +1586,7 @@ static wchar_t c2u_AC[256] = { 0x044E,0x044F,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xF0-0xF7 */ }; -static wchar_t c2u_AD[256] = { +static const wchar_t c2u_AD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1611,7 +1611,7 @@ static wchar_t c2u_AD[256] = { 0xCDC5,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AE[256] = { +static const wchar_t c2u_AE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1636,7 +1636,7 @@ static wchar_t c2u_AE[256] = { 0xCE2B,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_AF[256] = { +static const wchar_t c2u_AF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1661,7 +1661,7 @@ static wchar_t c2u_AF[256] = { 0xCE99,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xA0-0xA7 */ }; -static wchar_t c2u_B0[256] = { +static const wchar_t c2u_B0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1697,7 +1697,7 @@ static wchar_t c2u_B0[256] = { 0xACF5,0xACF6,0xACFC,0xACFD,0xAD00,0xAD04,0xAD06,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B1[256] = { +static const wchar_t c2u_B1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1733,7 +1733,7 @@ static wchar_t c2u_B1[256] = { 0xAE61,0xAE65,0xAE68,0xAE69,0xAE6C,0xAE70,0xAE78,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B2[256] = { +static const wchar_t c2u_B2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1769,7 +1769,7 @@ static wchar_t c2u_B2[256] = { 0xB04C,0xB04E,0xB053,0xB054,0xB055,0xB057,0xB059,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B3[256] = { +static const wchar_t c2u_B3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1805,7 +1805,7 @@ static wchar_t c2u_B3[256] = { 0xB19C,0xB1A8,0xB1CC,0xB1D0,0xB1D4,0xB1DC,0xB1DD,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B4[256] = { +static const wchar_t c2u_B4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1841,7 +1841,7 @@ static wchar_t c2u_B4[256] = { 0xB358,0xB35B,0xB35C,0xB35E,0xB35F,0xB364,0xB365,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B5[256] = { +static const wchar_t c2u_B5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1877,7 +1877,7 @@ static wchar_t c2u_B5[256] = { 0xB528,0xB529,0xB52A,0xB530,0xB531,0xB534,0xB538,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B6[256] = { +static const wchar_t c2u_B6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1913,7 +1913,7 @@ static wchar_t c2u_B6[256] = { 0xB78D,0xB78F,0xB790,0xB791,0xB792,0xB796,0xB797,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B7[256] = { +static const wchar_t c2u_B7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1949,7 +1949,7 @@ static wchar_t c2u_B7[256] = { 0xB951,0xB958,0xB959,0xB95C,0xB960,0xB968,0xB969,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B8[256] = { +static const wchar_t c2u_B8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1985,7 +1985,7 @@ static wchar_t c2u_B8[256] = { 0xBABB,0xBABD,0xBAC4,0xBAC8,0xBAD8,0xBAD9,0xBAFC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B9[256] = { +static const wchar_t c2u_B9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2021,7 +2021,7 @@ static wchar_t c2u_B9[256] = { 0xBC88,0xBC8B,0xBC8C,0xBC8E,0xBC94,0xBC95,0xBC97,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BA[256] = { +static const wchar_t c2u_BA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2057,7 +2057,7 @@ static wchar_t c2u_BA[256] = { 0xBE57,0xBE59,0xBE5A,0xBE5B,0xBE60,0xBE61,0xBE64,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BB[256] = { +static const wchar_t c2u_BB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2093,7 +2093,7 @@ static wchar_t c2u_BB[256] = { 0xC0D0,0xC0D8,0xC0D9,0xC0DB,0xC0DC,0xC0DD,0xC0E4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BC[256] = { +static const wchar_t c2u_BC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2129,7 +2129,7 @@ static wchar_t c2u_BC[256] = { 0xC21C,0xC21F,0xC220,0xC228,0xC229,0xC22B,0xC22D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BD[256] = { +static const wchar_t c2u_BD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2165,7 +2165,7 @@ static wchar_t c2u_BD[256] = { 0xC3F5,0xC3F8,0xC408,0xC410,0xC424,0xC42C,0xC430,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BE[256] = { +static const wchar_t c2u_BE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2201,7 +2201,7 @@ static wchar_t c2u_BE[256] = { 0xC5C6,0xC5C7,0xC5C8,0xC5C9,0xC5CA,0xC5CC,0xC5CE,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BF[256] = { +static const wchar_t c2u_BF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2237,7 +2237,7 @@ static wchar_t c2u_BF[256] = { 0xC6D0,0xC6D4,0xC6DC,0xC6DD,0xC6E0,0xC6E1,0xC6E8,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C0[256] = { +static const wchar_t c2u_C0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2273,7 +2273,7 @@ static wchar_t c2u_C0[256] = { 0xC7E8,0xC7EC,0xC800,0xC801,0xC804,0xC808,0xC80A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C1[256] = { +static const wchar_t c2u_C1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2309,7 +2309,7 @@ static wchar_t c2u_C1[256] = { 0xC9C4,0xC9C7,0xC9C8,0xC9CA,0xC9D0,0xC9D1,0xC9D3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C2[256] = { +static const wchar_t c2u_C2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2345,7 +2345,7 @@ static wchar_t c2u_C2[256] = { 0xCC29,0xCC2C,0xCC2E,0xCC30,0xCC38,0xCC39,0xCC3B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C3[256] = { +static const wchar_t c2u_C3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2381,7 +2381,7 @@ static wchar_t c2u_C3[256] = { 0xCE21,0xCE24,0xCE28,0xCE30,0xCE31,0xCE33,0xCE35,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C4[256] = { +static const wchar_t c2u_C4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2417,7 +2417,7 @@ static wchar_t c2u_C4[256] = { 0xD011,0xD018,0xD02D,0xD034,0xD035,0xD038,0xD03C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C5[256] = { +static const wchar_t c2u_C5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2453,7 +2453,7 @@ static wchar_t c2u_C5[256] = { 0xD234,0xD23C,0xD23D,0xD23F,0xD241,0xD248,0xD25C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C6[256] = { +static const wchar_t c2u_C6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2489,7 +2489,7 @@ static wchar_t c2u_C6[256] = { 0xD3ED,0xD3F0,0xD3F4,0xD3FC,0xD3FD,0xD3FF,0xD401,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C7[256] = { +static const wchar_t c2u_C7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2525,7 +2525,7 @@ static wchar_t c2u_C7[256] = { 0xD610,0xD611,0xD613,0xD614,0xD615,0xD61C,0xD620,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C8[256] = { +static const wchar_t c2u_C8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2561,7 +2561,7 @@ static wchar_t c2u_C8[256] = { 0xD789,0xD78C,0xD790,0xD798,0xD799,0xD79B,0xD79D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CA[256] = { +static const wchar_t c2u_CA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2597,7 +2597,7 @@ static wchar_t c2u_CA[256] = { 0x76E3,0x77B0,0x7D3A,0x90AF,0x9451,0x9452,0x9F95,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CB[256] = { +static const wchar_t c2u_CB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2633,7 +2633,7 @@ static wchar_t c2u_CB[256] = { 0x5091,0x6770,0x6840,0x5109,0x528D,0x5292,0x6AA2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CC[256] = { +static const wchar_t c2u_CC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2669,7 +2669,7 @@ static wchar_t c2u_CC[256] = { 0x5951,0x5B63,0x5C46,0x60B8,0x6212,0x6842,0x68B0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CD[256] = { +static const wchar_t c2u_CD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2705,7 +2705,7 @@ static wchar_t c2u_CD[256] = { 0x8CA2,0x978F,0x4E32,0x5BE1,0x6208,0x679C,0x74DC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CE[256] = { +static const wchar_t c2u_CE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2741,7 +2741,7 @@ static wchar_t c2u_CE[256] = { 0x4E18,0x4E45,0x4E5D,0x4EC7,0x4FF1,0x5177,0x52FE,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CF[256] = { +static const wchar_t c2u_CF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2777,7 +2777,7 @@ static wchar_t c2u_CF[256] = { 0x8A6D,0x8ECC,0x994B,0xF906,0x6677,0x6B78,0x8CB4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D0[256] = { +static const wchar_t c2u_D0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2813,7 +2813,7 @@ static wchar_t c2u_D0[256] = { 0x5D0E,0x5DF1,0x5E7E,0x5FCC,0x6280,0x65D7,0x65E3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D1[256] = { +static const wchar_t c2u_D1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2849,7 +2849,7 @@ static wchar_t c2u_D1[256] = { 0x6960,0x6E73,0xF922,0x7537,0xF923,0xF924,0xF925,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D2[256] = { +static const wchar_t c2u_D2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2885,7 +2885,7 @@ static wchar_t c2u_D2[256] = { 0xF959,0x5C3C,0x6CE5,0x533F,0x6EBA,0x591A,0x8336,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D3[256] = { +static const wchar_t c2u_D3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2921,7 +2921,7 @@ static wchar_t c2u_D3[256] = { 0x5EA6,0x5F92,0x60BC,0x6311,0x6389,0x6417,0x6843,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D4[256] = { +static const wchar_t c2u_D4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2957,7 +2957,7 @@ static wchar_t c2u_D4[256] = { 0x9127,0x9A30,0x5587,0x61F6,0xF95B,0x7669,0x7F85,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D5[256] = { +static const wchar_t c2u_D5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2993,7 +2993,7 @@ static wchar_t c2u_D5[256] = { 0x792B,0x8F62,0x9742,0x6190,0x6200,0x6523,0x6F23,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D6[256] = { +static const wchar_t c2u_D6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3029,7 +3029,7 @@ static wchar_t c2u_D6[256] = { 0x5ED6,0x6599,0x71CE,0x7642,0x77AD,0x804A,0x84FC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D7[256] = { +static const wchar_t c2u_D7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3065,7 +3065,7 @@ static wchar_t c2u_D7[256] = { 0x9E9F,0x6797,0x6DCB,0x7433,0x81E8,0x9716,0x782C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D8[256] = { +static const wchar_t c2u_D8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3101,7 +3101,7 @@ static wchar_t c2u_D8[256] = { 0x7704,0x7720,0x7DBF,0x7DEC,0x9762,0x9EB5,0x6EC5,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D9[256] = { +static const wchar_t c2u_D9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3137,7 +3137,7 @@ static wchar_t c2u_D9[256] = { 0x58A8,0x9ED8,0x5011,0x520E,0x543B,0x554F,0x6587,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DA[256] = { +static const wchar_t c2u_DA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3173,7 +3173,7 @@ static wchar_t c2u_DA[256] = { 0x9812,0x98EF,0x52C3,0x62D4,0x64A5,0x6E24,0x6F51,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DB[256] = { +static const wchar_t c2u_DB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3209,7 +3209,7 @@ static wchar_t c2u_DB[256] = { 0x50FB,0x5288,0x58C1,0x64D8,0x6A97,0x74A7,0x7656,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DC[256] = { +static const wchar_t c2u_DC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3245,7 +3245,7 @@ static wchar_t c2u_DC[256] = { 0x5256,0x526F,0x5426,0x5490,0x57E0,0x592B,0x5A66,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DD[256] = { +static const wchar_t c2u_DD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3281,7 +3281,7 @@ static wchar_t c2u_DD[256] = { 0x7891,0x79D5,0x79D8,0x7C83,0x7DCB,0x7FE1,0x80A5,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DE[256] = { +static const wchar_t c2u_DE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3317,7 +3317,7 @@ static wchar_t c2u_DE[256] = { 0x98FC,0x99DF,0x9E9D,0x524A,0xF969,0x6714,0xF96A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DF[256] = { +static const wchar_t c2u_DF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3353,7 +3353,7 @@ static wchar_t c2u_DF[256] = { 0x68F2,0x7280,0x745E,0x7B6E,0x7D6E,0x7DD6,0x7F72,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E0[256] = { +static const wchar_t c2u_E0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3389,7 +3389,7 @@ static wchar_t c2u_E0[256] = { 0x661F,0x665F,0x7329,0x73F9,0x76DB,0x7701,0x7B6C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E1[256] = { +static const wchar_t c2u_E1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3425,7 +3425,7 @@ static wchar_t c2u_E1[256] = { 0x58FD,0x5AC2,0x5B88,0x5CAB,0x5CC0,0x5E25,0x6101,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E2[256] = { +static const wchar_t c2u_E2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3461,7 +3461,7 @@ static wchar_t c2u_E2[256] = { 0x99B4,0x620C,0x8853,0x8FF0,0x9265,0x5D07,0x5D27,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E3[256] = { +static const wchar_t c2u_E3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3497,7 +3497,7 @@ static wchar_t c2u_E3[256] = { 0x5BA4,0x5BE6,0x6089,0x5BE9,0x5C0B,0x5FC3,0x6C81,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E4[256] = { +static const wchar_t c2u_E4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3533,7 +3533,7 @@ static wchar_t c2u_E4[256] = { 0x5384,0x627C,0x6396,0x6DB2,0x7E0A,0x814B,0x984D,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E5[256] = { +static const wchar_t c2u_E5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3569,7 +3569,7 @@ static wchar_t c2u_E5[256] = { 0x4E88,0x4F59,0xF97F,0xF980,0xF981,0x5982,0xF982,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E6[256] = { +static const wchar_t c2u_E6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3605,7 +3605,7 @@ static wchar_t c2u_E6[256] = { 0x67D3,0xF9A5,0x708E,0x7130,0x7430,0x8276,0x82D2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E7[256] = { +static const wchar_t c2u_E7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3641,7 +3641,7 @@ static wchar_t c2u_E7[256] = { 0x61CA,0x6556,0x65FF,0x6664,0x68A7,0x6C5A,0x6FB3,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E8[256] = { +static const wchar_t c2u_E8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3677,7 +3677,7 @@ static wchar_t c2u_E8[256] = { 0x66DC,0xF9BF,0x6A48,0xF9C0,0x71FF,0x7464,0xF9C1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E9[256] = { +static const wchar_t c2u_E9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3713,7 +3713,7 @@ static wchar_t c2u_E9[256] = { 0x6A52,0x6B9E,0x6F90,0x7189,0x8018,0x82B8,0x8553,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EA[256] = { +static const wchar_t c2u_EA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3749,7 +3749,7 @@ static wchar_t c2u_EA[256] = { 0x6961,0x6962,0x6CB9,0x6D27,0xF9CA,0x6E38,0xF9CB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EB[256] = { +static const wchar_t c2u_EB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3785,7 +3785,7 @@ static wchar_t c2u_EB[256] = { 0x77E3,0x7FA9,0x8264,0x858F,0x87FB,0x8863,0x8ABC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EC[256] = { +static const wchar_t c2u_EC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3821,7 +3821,7 @@ static wchar_t c2u_EC[256] = { 0xF9F5,0x7A14,0xF9F6,0x834F,0x8CC3,0x5165,0x5344,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_ED[256] = { +static const wchar_t c2u_ED[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3857,7 +3857,7 @@ static wchar_t c2u_ED[256] = { 0x8523,0x8594,0x85CF,0x88DD,0x8D13,0x91AC,0x9577,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EE[256] = { +static const wchar_t c2u_EE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3893,7 +3893,7 @@ static wchar_t c2u_EE[256] = { 0x5EDB,0x609B,0x6230,0x6813,0x6BBF,0x6C08,0x6FB1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EF[256] = { +static const wchar_t c2u_EF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3929,7 +3929,7 @@ static wchar_t c2u_EF[256] = { 0x914A,0x91D8,0x9266,0x92CC,0x9320,0x9706,0x9756,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F0[256] = { +static const wchar_t c2u_F0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3965,7 +3965,7 @@ static wchar_t c2u_F0[256] = { 0x6DD9,0x742E,0x7A2E,0x7D42,0x7D9C,0x7E31,0x816B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F1[256] = { +static const wchar_t c2u_F1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4001,7 +4001,7 @@ static wchar_t c2u_F1[256] = { 0x75C7,0x7E52,0x84B8,0x8B49,0x8D08,0x4E4B,0x53EA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F2[256] = { +static const wchar_t c2u_F2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4037,7 +4037,7 @@ static wchar_t c2u_F2[256] = { 0x659F,0x6715,0xF9FD,0x57F7,0x6F57,0x7DDD,0x8F2F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F3[256] = { +static const wchar_t c2u_F3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4073,7 +4073,7 @@ static wchar_t c2u_F3[256] = { 0x83DC,0x8521,0x91C7,0x91F5,0x518A,0x67F5,0x7B56,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F4[256] = { +static const wchar_t c2u_F4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4109,7 +4109,7 @@ static wchar_t c2u_F4[256] = { 0x521D,0x527F,0x54E8,0x6194,0x6284,0x62DB,0x68A2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F5[256] = { +static const wchar_t c2u_F5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4145,7 +4145,7 @@ static wchar_t c2u_F5[256] = { 0x6C96,0x87F2,0x885D,0x8877,0x60B4,0x81B5,0x8403,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F6[256] = { +static const wchar_t c2u_F6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4181,7 +4181,7 @@ static wchar_t c2u_F6[256] = { 0x666B,0x67DD,0x6FC1,0x6FEF,0x7422,0x7438,0x8A17,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F7[256] = { +static const wchar_t c2u_F7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4217,7 +4217,7 @@ static wchar_t c2u_F7[256] = { 0x5742,0x677F,0x7248,0x74E3,0x8CA9,0x8FA6,0x9211,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F8[256] = { +static const wchar_t c2u_F8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4253,7 +4253,7 @@ static wchar_t c2u_F8[256] = { 0x74E2,0x7968,0x8868,0x8C79,0x98C7,0x98C4,0x9A43,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F9[256] = { +static const wchar_t c2u_F9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4289,7 +4289,7 @@ static wchar_t c2u_F9[256] = { 0x676D,0x6841,0x6C86,0x6E2F,0x7F38,0x809B,0x822A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FA[256] = { +static const wchar_t c2u_FA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4325,7 +4325,7 @@ static wchar_t c2u_FA[256] = { 0x83A2,0x92CF,0x9830,0x4EA8,0x5144,0x5211,0x578B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FB[256] = { +static const wchar_t c2u_FB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4361,7 +4361,7 @@ static wchar_t c2u_FB[256] = { 0x9D3B,0x5316,0x548C,0x5B05,0x6A3A,0x706B,0x7575,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FC[256] = { +static const wchar_t c2u_FC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4397,7 +4397,7 @@ static wchar_t c2u_FC[256] = { 0x5B5D,0x6548,0x6585,0x66C9,0x689F,0x6D8D,0x6DC6,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_FD[256] = { +static const wchar_t c2u_FD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -4433,7 +4433,7 @@ static wchar_t c2u_FD[256] = { 0x71B9,0x71BA,0x72A7,0x79A7,0x7A00,0x7FB2,0x8A70,0x0000,/* 0xF8-0xFF */ }; -static wchar_t *page_charset2uni[256] = { +static const wchar_t *page_charset2uni[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -4468,7 +4468,7 @@ static wchar_t *page_charset2uni[256] = { c2u_F8, c2u_F9, c2u_FA, c2u_FB, c2u_FC, c2u_FD, NULL, NULL, }; -static unsigned char u2c_01[512] = { +static const unsigned char u2c_01[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4497,7 +4497,7 @@ static unsigned char u2c_01[512] = { 0x00, 0x00, 0x00, 0x00, 0xA8, 0xAE, 0xA9, 0xAE, /* 0x64-0x67 */ }; -static unsigned char u2c_02[512] = { +static const unsigned char u2c_02[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4557,7 +4557,7 @@ static unsigned char u2c_02[512] = { 0x00, 0x00, 0xA2, 0xA9, 0x00, 0x00, 0x00, 0x00, /* 0xDC-0xDF */ }; -static unsigned char u2c_03[512] = { +static const unsigned char u2c_03[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4612,7 +4612,7 @@ static unsigned char u2c_03[512] = { 0xA5, 0xF7, 0xA5, 0xF8, 0x00, 0x00, 0x00, 0x00, /* 0xC8-0xCB */ }; -static unsigned char u2c_04[512] = { +static const unsigned char u2c_04[512] = { 0x00, 0x00, 0xAC, 0xA7, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4636,7 +4636,7 @@ static unsigned char u2c_04[512] = { 0x00, 0x00, 0xAC, 0xD7, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x53 */ }; -static unsigned char u2c_11[512] = { +static const unsigned char u2c_11[512] = { 0xA4, 0xA1, 0xA4, 0xA2, 0xA4, 0xA4, 0xA4, 0xA7, /* 0x00-0x03 */ 0xA4, 0xA8, 0xA4, 0xA9, 0xA4, 0xB1, 0xA4, 0xB2, /* 0x04-0x07 */ 0xA4, 0xB3, 0xA4, 0xB5, 0xA4, 0xB6, 0xA4, 0xB7, /* 0x08-0x0B */ @@ -4703,7 +4703,7 @@ static unsigned char u2c_11[512] = { 0x00, 0x00, 0xA4, 0xF6, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_20[512] = { +static const unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4750,7 +4750,7 @@ static unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x5C, 0x00, 0x00, 0x00, 0x00, /* 0xA8-0xAB */ }; -static unsigned char u2c_21[512] = { +static const unsigned char u2c_21[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, 0xC9, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xA2, 0xB5, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4808,7 +4808,7 @@ static unsigned char u2c_21[512] = { 0xA2, 0xA2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xD4-0xD7 */ }; -static unsigned char u2c_22[512] = { +static const unsigned char u2c_22[512] = { 0xA2, 0xA3, 0x00, 0x00, 0xA1, 0xD3, 0xA2, 0xA4, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, 0xD4, /* 0x04-0x07 */ 0xA1, 0xF4, 0x00, 0x00, 0x00, 0x00, 0xA1, 0xF5, /* 0x08-0x0B */ @@ -4854,7 +4854,7 @@ static unsigned char u2c_22[512] = { 0x00, 0x00, 0xA1, 0xD1, 0x00, 0x00, 0x00, 0x00, /* 0xA4-0xA7 */ }; -static unsigned char u2c_23[512] = { +static const unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4862,7 +4862,7 @@ static unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0xA1, 0xD2, 0x00, 0x00, /* 0x10-0x13 */ }; -static unsigned char u2c_24[512] = { +static const unsigned char u2c_24[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4925,7 +4925,7 @@ static unsigned char u2c_24[512] = { 0xA8, 0xE5, 0xA8, 0xE6, 0x00, 0x00, 0x00, 0x00, /* 0xE8-0xEB */ }; -static unsigned char u2c_25[512] = { +static const unsigned char u2c_25[512] = { 0xA6, 0xA1, 0xA6, 0xAC, 0xA6, 0xA2, 0xA6, 0xAD, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4982,7 +4982,7 @@ static unsigned char u2c_25[512] = { 0xA2, 0xC4, 0xA2, 0xC5, 0x00, 0x00, 0x00, 0x00, /* 0xD0-0xD3 */ }; -static unsigned char u2c_26[512] = { +static const unsigned char u2c_26[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xDA, 0xA1, 0xD9, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5013,7 +5013,7 @@ static unsigned char u2c_26[512] = { 0xA2, 0xDD, 0xA2, 0xDA, 0x00, 0x00, 0x00, 0x00, /* 0x6C-0x6F */ }; -static unsigned char u2c_30[512] = { +static const unsigned char u2c_30[512] = { 0xA1, 0xA1, 0xA1, 0xA2, 0xA1, 0xA3, 0xA1, 0xA8, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xA1, 0xB4, 0xA1, 0xB5, 0xA1, 0xB6, 0xA1, 0xB7, /* 0x08-0x0B */ @@ -5079,7 +5079,7 @@ static unsigned char u2c_30[512] = { 0xAB, 0xF4, 0xAB, 0xF5, 0xAB, 0xF6, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_31[512] = { +static const unsigned char u2c_31[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5123,7 +5123,7 @@ static unsigned char u2c_31[512] = { 0xEF, 0xCB, 0xF4, 0xB8, 0xF2, 0xA2, 0xEC, 0xD1, /* 0x9C-0x9F */ }; -static unsigned char u2c_32[512] = { +static const unsigned char u2c_32[512] = { 0xA9, 0xB1, 0xA9, 0xB2, 0xA9, 0xB3, 0xA9, 0xB4, /* 0x00-0x03 */ 0xA9, 0xB5, 0xA9, 0xB6, 0xA9, 0xB7, 0xA9, 0xB8, /* 0x04-0x07 */ 0xA9, 0xB9, 0xA9, 0xBA, 0xA9, 0xBB, 0xA9, 0xBC, /* 0x08-0x0B */ @@ -5172,7 +5172,7 @@ static unsigned char u2c_32[512] = { 0xE5, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xB0-0xB3 */ }; -static unsigned char u2c_33[512] = { +static const unsigned char u2c_33[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5232,7 +5232,7 @@ static unsigned char u2c_33[512] = { 0xA7, 0xEE, 0xA7, 0xE9, 0x00, 0x00, 0x00, 0x00, /* 0xDC-0xDF */ }; -static unsigned char u2c_4E[512] = { +static const unsigned char u2c_4E[512] = { 0xEC, 0xE9, 0xEF, 0xCB, 0x00, 0x00, 0xF6, 0xD2, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD8, 0xB2, /* 0x04-0x07 */ 0xED, 0xDB, 0xDF, 0xB2, 0xDF, 0xBE, 0xF9, 0xBB, /* 0x08-0x0B */ @@ -5299,7 +5299,7 @@ static unsigned char u2c_4E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEC, 0xF2, /* 0xF8-0xFB */ }; -static unsigned char u2c_4F[512] = { +static const unsigned char u2c_4F[512] = { 0x00, 0x00, 0xD0, 0xEA, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xF9, 0xF2, 0xEC, 0xA5, 0xD0, 0xDF, /* 0x08-0x0B */ @@ -5366,7 +5366,7 @@ static unsigned char u2c_4F[512] = { 0xDC, 0xE4, 0x00, 0x00, 0xE5, 0xEF, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_50[512] = { +static const unsigned char u2c_50[512] = { 0x00, 0x00, 0x00, 0x00, 0xDC, 0xB1, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xD5, 0xD6, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xF3, 0xDA, 0x00, 0x00, 0xCB, 0xC1, /* 0x08-0x0B */ @@ -5434,7 +5434,7 @@ static unsigned char u2c_50[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDE, 0xC7, /* 0xFC-0xFF */ }; -static unsigned char u2c_51[512] = { +static const unsigned char u2c_51[512] = { 0xEB, 0xF0, 0xF1, 0xD6, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE5, 0xE2, 0x00, 0x00, 0xCC, 0xCC, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xCB, 0xFB, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5502,7 +5502,7 @@ static unsigned char u2c_51[512] = { 0x00, 0x00, 0xF9, 0xDE, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_52[512] = { +static const unsigned char u2c_52[512] = { 0xD3, 0xEF, 0x00, 0x00, 0x00, 0x00, 0xEC, 0xD3, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xDD, 0xC2, 0xEF, 0xB7, /* 0x04-0x07 */ 0xE7, 0xD4, 0x00, 0x00, 0xCA, 0xCA, 0x00, 0x00, /* 0x08-0x0B */ @@ -5570,7 +5570,7 @@ static unsigned char u2c_52[512] = { 0x00, 0x00, 0x00, 0x00, 0xCE, 0xFE, 0xDA, 0xA8, /* 0xFC-0xFF */ }; -static unsigned char u2c_53[512] = { +static const unsigned char u2c_53[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xF8, 0xD0, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xFD, 0xD6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5637,7 +5637,7 @@ static unsigned char u2c_53[512] = { 0xDE, 0xC9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_54[512] = { +static const unsigned char u2c_54[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFD, 0xDE, /* 0x00-0x03 */ 0xCA, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xF9, 0xEA, 0xD1, 0xCE, 0xEE, 0xD4, 0x00, 0x00, /* 0x08-0x0B */ @@ -5704,7 +5704,7 @@ static unsigned char u2c_54[512] = { 0x00, 0x00, 0x00, 0x00, 0xF8, 0xD4, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_55[512] = { +static const unsigned char u2c_55[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xF8, 0xA6, 0x00, 0x00, 0xDE, 0xCA, 0xF2, 0xC6, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5772,7 +5772,7 @@ static unsigned char u2c_55[512] = { 0x00, 0x00, 0xE1, 0xF5, 0xF1, 0xB3, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_56[512] = { +static const unsigned char u2c_56[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xF7, 0xA3, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xCA, 0xA9, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5839,7 +5839,7 @@ static unsigned char u2c_56[512] = { 0x00, 0x00, 0xD6, 0xB7, 0xCD, 0xB3, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_57[512] = { +static const unsigned char u2c_57[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xD5, /* 0x00-0x03 */ 0xE5, 0xD8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xCF, 0xEA, 0x00, 0x00, 0x00, 0x00, 0xCF, 0xD0, /* 0x08-0x0B */ @@ -5907,7 +5907,7 @@ static unsigned char u2c_57[512] = { 0xD0, 0xF2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_58[512] = { +static const unsigned char u2c_58[512] = { 0xCF, 0xDC, 0x00, 0x00, 0xD3, 0xD1, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xCC, 0xB1, 0xF7, 0xD8, 0x00, 0x00, /* 0x04-0x07 */ 0xCB, 0xA8, 0xEB, 0xBC, 0xE4, 0xBE, 0x00, 0x00, /* 0x08-0x0B */ @@ -5975,7 +5975,7 @@ static unsigned char u2c_58[512] = { 0x00, 0x00, 0xE1, 0xF8, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_59[512] = { +static const unsigned char u2c_59[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6043,7 +6043,7 @@ static unsigned char u2c_59[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xED, 0xAC, /* 0xFC-0xFF */ }; -static unsigned char u2c_5A[512] = { +static const unsigned char u2c_5A[512] = { 0x00, 0x00, 0xEA, 0xCE, 0x00, 0x00, 0xE8, 0xDF, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6106,7 +6106,7 @@ static unsigned char u2c_5A[512] = { 0x00, 0x00, 0xD2, 0xEC, 0x00, 0x00, 0x00, 0x00, /* 0xE8-0xEB */ }; -static unsigned char u2c_5B[512] = { +static const unsigned char u2c_5B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xFB, 0xFB, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xFD, 0xF0, 0x00, 0x00, 0xE0, 0xBD, /* 0x08-0x0B */ @@ -6173,7 +6173,7 @@ static unsigned char u2c_5B[512] = { 0xF5, 0xBB, 0x00, 0x00, 0xDE, 0xD1, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_5C[512] = { +static const unsigned char u2c_5C[512] = { 0x00, 0x00, 0xDC, 0xE6, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xDE, 0xD2, 0x00, 0x00, 0x00, 0x00, 0xED, 0xE2, /* 0x04-0x07 */ 0xEE, 0xF6, 0xEA, 0xCF, 0xF0, 0xEE, 0xE3, 0xFC, /* 0x08-0x0B */ @@ -6241,7 +6241,7 @@ static unsigned char u2c_5C[512] = { 0x00, 0x00, 0xFA, 0xF2, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_5D[512] = { +static const unsigned char u2c_5D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE2, 0xFD, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6309,7 +6309,7 @@ static unsigned char u2c_5D[512] = { 0x00, 0x00, 0xE1, 0xDE, 0xCB, 0xEE, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_5E[512] = { +static const unsigned char u2c_5E[512] = { 0x00, 0x00, 0x00, 0x00, 0xE3, 0xBC, 0xF8, 0xD6, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xDB, 0xEE, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6376,7 +6376,7 @@ static unsigned char u2c_5E[512] = { 0x00, 0x00, 0x00, 0x00, 0xCB, 0xEF, 0xFC, 0xDF, /* 0xF8-0xFB */ }; -static unsigned char u2c_5F[512] = { +static const unsigned char u2c_5F[512] = { 0x00, 0x00, 0xDC, 0xA7, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD6, 0xE7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xF8, 0xC9, 0x00, 0x00, /* 0x08-0x0B */ @@ -6444,7 +6444,7 @@ static unsigned char u2c_5F[512] = { 0x00, 0x00, 0xFB, 0xEC, 0x00, 0x00, 0xDD, 0xC8, /* 0xFC-0xFF */ }; -static unsigned char u2c_60[512] = { +static const unsigned char u2c_60[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6511,7 +6511,7 @@ static unsigned char u2c_60[512] = { 0x00, 0x00, 0xE5, 0xA9, 0xE0, 0xF6, 0xF6, 0xB3, /* 0xF8-0xFB */ }; -static unsigned char u2c_61[512] = { +static const unsigned char u2c_61[512] = { 0x00, 0x00, 0xE1, 0xFE, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xCB, 0xF0, 0x00, 0x00, /* 0x04-0x07 */ 0xEA, 0xEF, 0xEA, 0xF0, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6579,7 +6579,7 @@ static unsigned char u2c_61[512] = { 0xCF, 0xAB, 0x00, 0x00, 0x00, 0x00, 0xEB, 0xF3, /* 0xFC-0xFF */ }; -static unsigned char u2c_62[512] = { +static const unsigned char u2c_62[512] = { 0xD5, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD3, 0xD4, /* 0x04-0x07 */ 0xCD, 0xFC, 0x00, 0x00, 0xD9, 0xE6, 0x00, 0x00, /* 0x08-0x0B */ @@ -6647,7 +6647,7 @@ static unsigned char u2c_62[512] = { 0x00, 0x00, 0x00, 0x00, 0xE3, 0xA6, 0xD1, 0xDA, /* 0xFC-0xFF */ }; -static unsigned char u2c_63[512] = { +static const unsigned char u2c_63[512] = { 0x00, 0x00, 0xF2, 0xA5, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF2, 0xA6, /* 0x04-0x07 */ 0x00, 0x00, 0xE4, 0xCE, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6713,7 +6713,7 @@ static unsigned char u2c_63[512] = { 0xEA, 0xB5, 0x00, 0x00, 0xE5, 0xAA, 0xDF, 0xBA, /* 0xF4-0xF7 */ }; -static unsigned char u2c_64[512] = { +static const unsigned char u2c_64[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6781,7 +6781,7 @@ static unsigned char u2c_64[512] = { 0x00, 0x00, 0x00, 0x00, 0xE8, 0xF6, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_65[512] = { +static const unsigned char u2c_65[512] = { 0xDA, 0xE7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xF7, 0xCC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6849,7 +6849,7 @@ static unsigned char u2c_65[512] = { 0xDA, 0xC4, 0xD4, 0xC5, 0x00, 0x00, 0xE7, 0xFA, /* 0xFC-0xFF */ }; -static unsigned char u2c_66[512] = { +static const unsigned char u2c_66[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xCD, 0xE0, 0xE3, 0xB0, /* 0x04-0x07 */ 0x00, 0x00, 0xDB, 0xB2, 0xFB, 0xC4, 0x00, 0x00, /* 0x08-0x0B */ @@ -6917,7 +6917,7 @@ static unsigned char u2c_66[512] = { 0xD8, 0xBA, 0x00, 0x00, 0xF1, 0xF4, 0xF4, 0xF0, /* 0xFC-0xFF */ }; -static unsigned char u2c_67[512] = { +static const unsigned char u2c_67[512] = { 0xF5, 0xCC, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xE5, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xEA, 0xC5, 0xEA, 0xF3, 0x00, 0x00, 0xDD, 0xDB, /* 0x08-0x0B */ @@ -6985,7 +6985,7 @@ static unsigned char u2c_67[512] = { 0x00, 0x00, 0x00, 0x00, 0xEF, 0xDE, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_68[512] = { +static const unsigned char u2c_68[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7052,7 +7052,7 @@ static unsigned char u2c_68[512] = { 0x00, 0x00, 0xD4, 0xA1, 0xCE, 0xB2, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_69[512] = { +static const unsigned char u2c_69[512] = { 0xE8, 0xCA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xEB, 0xF5, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7120,7 +7120,7 @@ static unsigned char u2c_69[512] = { 0x00, 0x00, 0xF0, 0xCB, 0x00, 0x00, 0xD0, 0xC7, /* 0xFC-0xFF */ }; -static unsigned char u2c_6A[512] = { +static const unsigned char u2c_6A[512] = { 0x00, 0x00, 0x00, 0x00, 0xE4, 0xC5, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xDB, 0xE0, 0x00, 0x00, /* 0x08-0x0B */ @@ -7187,7 +7187,7 @@ static unsigned char u2c_6A[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE5, 0xA1, /* 0xF8-0xFB */ }; -static unsigned char u2c_6B[512] = { +static const unsigned char u2c_6B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD5, 0xB1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xCF, 0xED, 0x00, 0x00, /* 0x08-0x0B */ @@ -7251,7 +7251,7 @@ static unsigned char u2c_6B[512] = { 0xCF, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xEC-0xEF */ }; -static unsigned char u2c_6C[512] = { +static const unsigned char u2c_6C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xEE, 0xFD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7316,7 +7316,7 @@ static unsigned char u2c_6C[512] = { 0xF7, 0xC1, 0x00, 0x00, 0x00, 0x00, 0xE7, 0xB6, /* 0xF0-0xF3 */ }; -static unsigned char u2c_6D[512] = { +static const unsigned char u2c_6D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE5, 0xC7, /* 0x08-0x0B */ @@ -7383,7 +7383,7 @@ static unsigned char u2c_6D[512] = { 0xF4, 0xE8, 0xE5, 0xF4, 0xF4, 0xBC, 0xF4, 0xD5, /* 0xF8-0xFB */ }; -static unsigned char u2c_6E[512] = { +static const unsigned char u2c_6E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7451,7 +7451,7 @@ static unsigned char u2c_6E[512] = { 0x00, 0x00, 0x00, 0x00, 0xCD, 0xE3, 0xD8, 0xBB, /* 0xFC-0xFF */ }; -static unsigned char u2c_6F[512] = { +static const unsigned char u2c_6F[512] = { 0x00, 0x00, 0xE5, 0xDB, 0xF8, 0xF7, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xF6, 0xD4, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7519,7 +7519,7 @@ static unsigned char u2c_6F[512] = { 0x00, 0x00, 0x00, 0x00, 0xD5, 0xEB, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_70[512] = { +static const unsigned char u2c_70[512] = { 0x00, 0x00, 0xE5, 0xC8, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xFB, 0xA4, 0xD4, 0xB9, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xDE, 0xE1, 0x00, 0x00, 0xE4, 0xA3, /* 0x08-0x0B */ @@ -7587,7 +7587,7 @@ static unsigned char u2c_70[512] = { 0x00, 0x00, 0xDC, 0xEB, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_71[512] = { +static const unsigned char u2c_71[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xFD, 0xB6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE5, 0xEA, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7655,7 +7655,7 @@ static unsigned char u2c_71[512] = { 0xE3, 0xE8, 0x00, 0x00, 0xD4, 0xA7, 0xE8, 0xFC, /* 0xFC-0xFF */ }; -static unsigned char u2c_72[512] = { +static const unsigned char u2c_72[512] = { 0xFA, 0xD2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xF8, 0xEF, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7723,7 +7723,7 @@ static unsigned char u2c_72[512] = { 0xD5, 0xC9, 0xF8, 0xAC, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_73[512] = { +static const unsigned char u2c_73[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE7, 0xD9, 0x00, 0x00, /* 0x08-0x0B */ @@ -7791,7 +7791,7 @@ static unsigned char u2c_73[512] = { 0x00, 0x00, 0xEF, 0xEA, 0xFA, 0xDE, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_74[512] = { +static const unsigned char u2c_74[512] = { 0x00, 0x00, 0xE0, 0xC4, 0x00, 0x00, 0xCF, 0xB9, /* 0x00-0x03 */ 0x00, 0x00, 0xD5, 0xCA, 0xD7, 0xE2, 0xE2, 0xAF, /* 0x04-0x07 */ 0x00, 0x00, 0xD7, 0xB8, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7857,7 +7857,7 @@ static unsigned char u2c_74[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xED, 0xB6, /* 0xF4-0xF7 */ }; -static unsigned char u2c_75[512] = { +static const unsigned char u2c_75[512] = { 0x00, 0x00, 0xDC, 0xBA, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xCC, 0xB4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7925,7 +7925,7 @@ static unsigned char u2c_75[512] = { 0xCD, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_76[512] = { +static const unsigned char u2c_76[512] = { 0xE5, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7993,7 +7993,7 @@ static unsigned char u2c_76[512] = { 0xDA, 0xF0, 0x00, 0x00, 0xE2, 0xEA, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_77[512] = { +static const unsigned char u2c_77[512] = { 0x00, 0x00, 0xE0, 0xFD, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD8, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xF7, 0xAF, 0xDA, 0xB6, 0x00, 0x00, 0xCA, 0xD7, /* 0x08-0x0B */ @@ -8058,7 +8058,7 @@ static unsigned char u2c_77[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xB4, /* 0xF0-0xF3 */ }; -static unsigned char u2c_78[512] = { +static const unsigned char u2c_78[512] = { 0x00, 0x00, 0x00, 0x00, 0xDE, 0xE3, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8125,7 +8125,7 @@ static unsigned char u2c_78[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDA, 0xF2, /* 0xF8-0xFB */ }; -static unsigned char u2c_79[512] = { +static const unsigned char u2c_79[512] = { 0x00, 0x00, 0xF5, 0xA7, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8192,7 +8192,7 @@ static unsigned char u2c_79[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEC, 0xB9, /* 0xF8-0xFB */ }; -static unsigned char u2c_7A[512] = { +static const unsigned char u2c_7A[512] = { 0xFD, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE1, 0xAA, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xCA, 0xD9, 0x00, 0x00, 0x00, 0x00, 0xEF, 0xEF, /* 0x08-0x0B */ @@ -8260,7 +8260,7 @@ static unsigned char u2c_7A[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xCA, 0xDA, /* 0xFC-0xFF */ }; -static unsigned char u2c_7B[512] = { +static const unsigned char u2c_7B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8323,7 +8323,7 @@ static unsigned char u2c_7B[512] = { 0x00, 0x00, 0xDE, 0xE8, 0x00, 0x00, 0x00, 0x00, /* 0xE8-0xEB */ }; -static unsigned char u2c_7C[512] = { +static const unsigned char u2c_7C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xEA, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8391,7 +8391,7 @@ static unsigned char u2c_7C[512] = { 0x00, 0x00, 0x00, 0x00, 0xD0, 0xAC, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_7D[512] = { +static const unsigned char u2c_7D[512] = { 0xD1, 0xBA, 0x00, 0x00, 0xF1, 0xC4, 0x00, 0x00, /* 0x00-0x03 */ 0xE5, 0xB3, 0xFB, 0xF5, 0xE9, 0xE1, 0xFD, 0xE0, /* 0x04-0x07 */ 0xFC, 0xBC, 0x00, 0x00, 0xDA, 0xA2, 0xDA, 0xA3, /* 0x08-0x0B */ @@ -8458,7 +8458,7 @@ static unsigned char u2c_7D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF6, 0xC6, /* 0xF8-0xFB */ }; -static unsigned char u2c_7E[512] = { +static const unsigned char u2c_7E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xF2, 0xDB, 0xE4, 0xFC, 0x00, 0x00, /* 0x08-0x0B */ @@ -8502,7 +8502,7 @@ static unsigned char u2c_7E[512] = { 0xD5, 0xBF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x9C-0x9F */ }; -static unsigned char u2c_7F[512] = { +static const unsigned char u2c_7F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8570,7 +8570,7 @@ static unsigned char u2c_7F[512] = { 0xEC, 0xCF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_80[512] = { +static const unsigned char u2c_80[512] = { 0xE9, 0xA5, 0xD6, 0xD5, 0x00, 0x00, 0xCD, 0xC5, /* 0x00-0x03 */ 0x00, 0x00, 0xED, 0xBA, 0xD1, 0xBD, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xCF, 0xBE, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8638,7 +8638,7 @@ static unsigned char u2c_80[512] = { 0x00, 0x00, 0xD2, 0xF6, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_81[512] = { +static const unsigned char u2c_81[512] = { 0x00, 0x00, 0x00, 0x00, 0xF2, 0xB7, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xFA, 0xF6, 0xF6, 0xAA, 0xFA, 0xF7, /* 0x04-0x07 */ 0xD8, 0xE6, 0x00, 0x00, 0xF4, 0xB1, 0x00, 0x00, /* 0x08-0x0B */ @@ -8706,7 +8706,7 @@ static unsigned char u2c_81[512] = { 0xCF, 0xBF, 0x00, 0x00, 0xEB, 0xAC, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_82[512] = { +static const unsigned char u2c_82[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xCF, 0xC0, 0x00, 0x00, 0xE6, 0xA8, /* 0x04-0x07 */ 0xFD, 0xE9, 0x00, 0x00, 0xCF, 0xC1, 0x00, 0x00, /* 0x08-0x0B */ @@ -8774,7 +8774,7 @@ static unsigned char u2c_82[512] = { 0x00, 0x00, 0xCD, 0xC9, 0xF9, 0xB7, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_83[512] = { +static const unsigned char u2c_83[512] = { 0x00, 0x00, 0xF1, 0xE8, 0xD9, 0xF2, 0xDB, 0xF5, /* 0x00-0x03 */ 0xCA, 0xB5, 0xD9, 0xC6, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xD8, 0xC9, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8842,7 +8842,7 @@ static unsigned char u2c_83[512] = { 0x00, 0x00, 0xE2, 0xDD, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_84[512] = { +static const unsigned char u2c_84[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF5, 0xFE, /* 0x00-0x03 */ 0xD4, 0xAC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xD5, 0xD1, 0x00, 0x00, /* 0x08-0x0B */ @@ -8910,7 +8910,7 @@ static unsigned char u2c_84[512] = { 0xD6, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_85[512] = { +static const unsigned char u2c_85[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8978,7 +8978,7 @@ static unsigned char u2c_85[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xCE, 0xAB, /* 0xFC-0xFF */ }; -static unsigned char u2c_86[512] = { +static const unsigned char u2c_86[512] = { 0x00, 0x00, 0x00, 0x00, 0xE7, 0xDE, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xD6, 0xD6, 0xE1, 0xCC, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE8, 0xB3, 0x00, 0x00, /* 0x08-0x0B */ @@ -9046,7 +9046,7 @@ static unsigned char u2c_86[512] = { 0x00, 0x00, 0x00, 0x00, 0xE4, 0xB6, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_87[512] = { +static const unsigned char u2c_87[512] = { 0xF5, 0xB9, 0x00, 0x00, 0xDC, 0xF0, 0xE3, 0xF1, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xE8, 0xA5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9114,7 +9114,7 @@ static unsigned char u2c_87[512] = { 0x00, 0x00, 0x00, 0x00, 0xE0, 0xEA, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_88[512] = { +static const unsigned char u2c_88[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE3, 0xB2, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9182,7 +9182,7 @@ static unsigned char u2c_88[512] = { 0x00, 0x00, 0xF0, 0xB2, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_89[512] = { +static const unsigned char u2c_89[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDC, 0xDC, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9249,7 +9249,7 @@ static unsigned char u2c_89[512] = { 0xF5, 0xBA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_8A[512] = { +static const unsigned char u2c_8A[512] = { 0xE5, 0xEB, 0x00, 0x00, 0xEF, 0xF4, 0xDD, 0xB5, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xCD, 0xAA, 0x00, 0x00, 0xE3, 0xF2, 0x00, 0x00, /* 0x08-0x0B */ @@ -9317,7 +9317,7 @@ static unsigned char u2c_8A[512] = { 0x00, 0x00, 0x00, 0x00, 0xD1, 0xE7, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8B[512] = { +static const unsigned char u2c_8B[512] = { 0xD9, 0xC7, 0xE4, 0xD7, 0xEA, 0xDD, 0x00, 0x00, /* 0x00-0x03 */ 0xD4, 0xF7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9360,7 +9360,7 @@ static unsigned char u2c_8B[512] = { 0x00, 0x00, 0x00, 0x00, 0xF3, 0xC6, 0x00, 0x00, /* 0x98-0x9B */ }; -static unsigned char u2c_8C[512] = { +static const unsigned char u2c_8C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9428,7 +9428,7 @@ static unsigned char u2c_8C[512] = { 0xCF, 0xC5, 0xDF, 0xDF, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8D[512] = { +static const unsigned char u2c_8D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xF2, 0xBE, 0xF6, 0xA1, 0x00, 0x00, 0xEB, 0xCB, /* 0x04-0x07 */ 0xF1, 0xFC, 0x00, 0x00, 0xF3, 0xC7, 0x00, 0x00, /* 0x08-0x0B */ @@ -9493,7 +9493,7 @@ static unsigned char u2c_8D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD4, 0xAF, /* 0xF0-0xF3 */ }; -static unsigned char u2c_8E[512] = { +static const unsigned char u2c_8E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xE9, 0xC9, 0x00, 0x00, /* 0x08-0x0B */ @@ -9561,7 +9561,7 @@ static unsigned char u2c_8E[512] = { 0x00, 0x00, 0x00, 0x00, 0xE3, 0xDC, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8F[512] = { +static const unsigned char u2c_8F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xCE, 0xF2, /* 0x00-0x03 */ 0x00, 0x00, 0xD6, 0xD9, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xEE, 0xB0, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9629,7 +9629,7 @@ static unsigned char u2c_8F[512] = { 0x00, 0x00, 0xF5, 0xDA, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_90[512] = { +static const unsigned char u2c_90[512] = { 0xF7, 0xDC, 0xE1, 0xEA, 0xCE, 0xC1, 0xD4, 0xB1, /* 0x00-0x03 */ 0x00, 0x00, 0xFD, 0xB1, 0xE6, 0xBD, 0x00, 0x00, /* 0x04-0x07 */ 0xFB, 0xAD, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xE7, /* 0x08-0x0B */ @@ -9697,7 +9697,7 @@ static unsigned char u2c_90[512] = { 0x00, 0x00, 0xD4, 0xB4, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_91[512] = { +static const unsigned char u2c_91[512] = { 0x00, 0x00, 0x00, 0x00, 0xE4, 0xC7, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9763,7 +9763,7 @@ static unsigned char u2c_91[512] = { 0x00, 0x00, 0xF3, 0xFB, 0x00, 0x00, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_92[512] = { +static const unsigned char u2c_92[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9831,7 +9831,7 @@ static unsigned char u2c_92[512] = { 0xCB, 0xBC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_93[512] = { +static const unsigned char u2c_93[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD6, 0xE2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9897,7 +9897,7 @@ static unsigned char u2c_93[512] = { 0x00, 0x00, 0x00, 0x00, 0xF3, 0xA1, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_94[512] = { +static const unsigned char u2c_94[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xFC, 0xF5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9932,7 +9932,7 @@ static unsigned char u2c_94[512] = { 0x00, 0x00, 0xF3, 0xC8, 0x00, 0x00, 0xF3, 0xBA, /* 0x7C-0x7F */ }; -static unsigned char u2c_95[512] = { +static const unsigned char u2c_95[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9993,7 +9993,7 @@ static unsigned char u2c_95[512] = { 0x00, 0x00, 0xF4, 0xC5, 0xDC, 0xA3, 0x00, 0x00, /* 0xE0-0xE3 */ }; -static unsigned char u2c_96[512] = { +static const unsigned char u2c_96[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10060,7 +10060,7 @@ static unsigned char u2c_96[512] = { 0x00, 0x00, 0xDA, 0xDF, 0x00, 0x00, 0xEF, 0xB3, /* 0xF8-0xFB */ }; -static unsigned char u2c_97[512] = { +static const unsigned char u2c_97[512] = { 0xE2, 0xCD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xEF, 0xFD, 0xF2, 0xE8, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10128,7 +10128,7 @@ static unsigned char u2c_97[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFA, 0xC2, /* 0xFC-0xFF */ }; -static unsigned char u2c_98[512] = { +static const unsigned char u2c_98[512] = { 0xFB, 0xE1, 0xFA, 0xED, 0xF0, 0xA2, 0xCC, 0xF1, /* 0x00-0x03 */ 0x00, 0x00, 0xFA, 0xA3, 0xE2, 0xF7, 0x00, 0x00, /* 0x04-0x07 */ 0xE2, 0xCE, 0x00, 0x00, 0xE9, 0xF5, 0x00, 0x00, /* 0x08-0x0B */ @@ -10196,7 +10196,7 @@ static unsigned char u2c_98[512] = { 0xDE, 0xF8, 0xF8, 0xE9, 0xE3, 0xDE, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_99[512] = { +static const unsigned char u2c_99[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xCE, 0xF5, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xFA, 0xC3, 0xE5, 0xD7, 0x00, 0x00, /* 0x08-0x0B */ @@ -10264,7 +10264,7 @@ static unsigned char u2c_99[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF1, 0xE7, /* 0xFC-0xFF */ }; -static unsigned char u2c_9A[512] = { +static const unsigned char u2c_9A[512] = { 0x00, 0x00, 0xDE, 0xBE, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xDC, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10328,7 +10328,7 @@ static unsigned char u2c_9A[512] = { 0x00, 0x00, 0x00, 0x00, 0xDB, 0xA5, 0x00, 0x00, /* 0xEC-0xEF */ }; -static unsigned char u2c_9B[512] = { +static const unsigned char u2c_9B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10391,7 +10391,7 @@ static unsigned char u2c_9B[512] = { 0xCC, 0xF4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xE8-0xEB */ }; -static unsigned char u2c_9C[512] = { +static const unsigned char u2c_9C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10457,7 +10457,7 @@ static unsigned char u2c_9C[512] = { 0xD9, 0xB0, 0x00, 0x00, 0xE6, 0xE9, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_9D[512] = { +static const unsigned char u2c_9D[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xE4, 0xBC, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10524,7 +10524,7 @@ static unsigned char u2c_9D[512] = { 0xFD, 0xD3, 0xEB, 0xED, 0xD6, 0xDC, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_9E[512] = { +static const unsigned char u2c_9E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10590,7 +10590,7 @@ static unsigned char u2c_9E[512] = { 0xDA, 0xBD, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xF4-0xF7 */ }; -static unsigned char u2c_9F[512] = { +static const unsigned char u2c_9F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE8, 0xA8, /* 0x04-0x07 */ 0xDC, 0xAF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -10634,7 +10634,7 @@ static unsigned char u2c_9F[512] = { 0xCF, 0xCF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x9C-0x9F */ }; -static unsigned char u2c_AC[512] = { +static const unsigned char u2c_AC[512] = { 0xB0, 0xA1, 0xB0, 0xA2, 0x81, 0x41, 0x81, 0x42, /* 0x00-0x03 */ 0xB0, 0xA3, 0x81, 0x43, 0x81, 0x44, 0xB0, 0xA4, /* 0x04-0x07 */ 0xB0, 0xA5, 0xB0, 0xA6, 0xB0, 0xA7, 0x81, 0x45, /* 0x08-0x0B */ @@ -10702,7 +10702,7 @@ static unsigned char u2c_AC[512] = { 0xB0, 0xFA, 0xB0, 0xFB, 0x81, 0xF0, 0x81, 0xF1, /* 0xFC-0xFF */ }; -static unsigned char u2c_AD[512] = { +static const unsigned char u2c_AD[512] = { 0xB0, 0xFC, 0x81, 0xF2, 0x81, 0xF3, 0x81, 0xF4, /* 0x00-0x03 */ 0xB0, 0xFD, 0x81, 0xF5, 0xB0, 0xFE, 0x81, 0xF6, /* 0x04-0x07 */ 0x81, 0xF7, 0x81, 0xF8, 0x81, 0xF9, 0x81, 0xFA, /* 0x08-0x0B */ @@ -10770,7 +10770,7 @@ static unsigned char u2c_AD[512] = { 0xB1, 0xD9, 0x83, 0x43, 0x83, 0x44, 0xB1, 0xDA, /* 0xFC-0xFF */ }; -static unsigned char u2c_AE[512] = { +static const unsigned char u2c_AE[512] = { 0xB1, 0xDB, 0xB1, 0xDC, 0x83, 0x45, 0x83, 0x46, /* 0x00-0x03 */ 0x83, 0x47, 0x83, 0x48, 0x83, 0x49, 0x83, 0x4A, /* 0x04-0x07 */ 0xB1, 0xDD, 0xB1, 0xDE, 0x83, 0x4B, 0xB1, 0xDF, /* 0x08-0x0B */ @@ -10838,7 +10838,7 @@ static unsigned char u2c_AE[512] = { 0xB2, 0xBA, 0x84, 0x52, 0x84, 0x53, 0x84, 0x54, /* 0xFC-0xFF */ }; -static unsigned char u2c_AF[512] = { +static const unsigned char u2c_AF[512] = { 0x84, 0x55, 0x84, 0x56, 0x84, 0x57, 0x84, 0x58, /* 0x00-0x03 */ 0x84, 0x59, 0x84, 0x5A, 0x84, 0x61, 0xB2, 0xBB, /* 0x04-0x07 */ 0xB2, 0xBC, 0x84, 0x62, 0x84, 0x63, 0x84, 0x64, /* 0x08-0x0B */ @@ -10906,7 +10906,7 @@ static unsigned char u2c_AF[512] = { 0x85, 0x75, 0x85, 0x76, 0x85, 0x77, 0x85, 0x78, /* 0xFC-0xFF */ }; -static unsigned char u2c_B0[512] = { +static const unsigned char u2c_B0[512] = { 0xB2, 0xEB, 0xB2, 0xEC, 0x85, 0x79, 0x85, 0x7A, /* 0x00-0x03 */ 0xB2, 0xED, 0x85, 0x81, 0x85, 0x82, 0x85, 0x83, /* 0x04-0x07 */ 0x85, 0x84, 0x85, 0x85, 0x85, 0x86, 0x85, 0x87, /* 0x08-0x0B */ @@ -10974,7 +10974,7 @@ static unsigned char u2c_B0[512] = { 0x86, 0x8C, 0x86, 0x8D, 0x86, 0x8E, 0x86, 0x8F, /* 0xFC-0xFF */ }; -static unsigned char u2c_B1[512] = { +static const unsigned char u2c_B1[512] = { 0x86, 0x90, 0x86, 0x91, 0x86, 0x92, 0x86, 0x93, /* 0x00-0x03 */ 0x86, 0x94, 0x86, 0x95, 0x86, 0x96, 0x86, 0x97, /* 0x04-0x07 */ 0xB3, 0xCA, 0xB3, 0xCB, 0x86, 0x98, 0xB3, 0xCC, /* 0x08-0x0B */ @@ -11042,7 +11042,7 @@ static unsigned char u2c_B1[512] = { 0x87, 0x9E, 0xB4, 0xA8, 0x87, 0x9F, 0x87, 0xA0, /* 0xFC-0xFF */ }; -static unsigned char u2c_B2[512] = { +static const unsigned char u2c_B2[512] = { 0x87, 0xA1, 0x87, 0xA2, 0x87, 0xA3, 0x87, 0xA4, /* 0x00-0x03 */ 0xB4, 0xA9, 0xB4, 0xAA, 0x87, 0xA5, 0x87, 0xA6, /* 0x04-0x07 */ 0xB4, 0xAB, 0x87, 0xA7, 0x87, 0xA8, 0xB4, 0xAC, /* 0x08-0x0B */ @@ -11110,7 +11110,7 @@ static unsigned char u2c_B2[512] = { 0x88, 0xAA, 0x88, 0xAB, 0x88, 0xAC, 0xB4, 0xEA, /* 0xFC-0xFF */ }; -static unsigned char u2c_B3[512] = { +static const unsigned char u2c_B3[512] = { 0xB4, 0xEB, 0xB4, 0xEC, 0x88, 0xAD, 0x88, 0xAE, /* 0x00-0x03 */ 0xB4, 0xED, 0x88, 0xAF, 0x88, 0xB0, 0x88, 0xB1, /* 0x04-0x07 */ 0xB4, 0xEE, 0x88, 0xB2, 0x88, 0xB3, 0x88, 0xB4, /* 0x08-0x0B */ @@ -11178,7 +11178,7 @@ static unsigned char u2c_B3[512] = { 0xB5, 0xC5, 0x89, 0xBF, 0x89, 0xC0, 0x89, 0xC1, /* 0xFC-0xFF */ }; -static unsigned char u2c_B4[512] = { +static const unsigned char u2c_B4[512] = { 0x89, 0xC2, 0x89, 0xC3, 0x89, 0xC4, 0x89, 0xC5, /* 0x00-0x03 */ 0x89, 0xC6, 0x89, 0xC7, 0x89, 0xC8, 0x89, 0xC9, /* 0x04-0x07 */ 0x89, 0xCA, 0x89, 0xCB, 0x89, 0xCC, 0x89, 0xCD, /* 0x08-0x0B */ @@ -11246,7 +11246,7 @@ static unsigned char u2c_B4[512] = { 0x8A, 0xE2, 0x8A, 0xE3, 0x8A, 0xE4, 0x8A, 0xE5, /* 0xFC-0xFF */ }; -static unsigned char u2c_B5[512] = { +static const unsigned char u2c_B5[512] = { 0x8A, 0xE6, 0x8A, 0xE7, 0x8A, 0xE8, 0x8A, 0xE9, /* 0x00-0x03 */ 0x8A, 0xEA, 0x8A, 0xEB, 0x8A, 0xEC, 0x8A, 0xED, /* 0x04-0x07 */ 0x8A, 0xEE, 0x8A, 0xEF, 0x8A, 0xF0, 0x8A, 0xF1, /* 0x08-0x0B */ @@ -11314,7 +11314,7 @@ static unsigned char u2c_B5[512] = { 0x8B, 0xFB, 0x8B, 0xFC, 0x8B, 0xFD, 0x8B, 0xFE, /* 0xFC-0xFF */ }; -static unsigned char u2c_B6[512] = { +static const unsigned char u2c_B6[512] = { 0x8C, 0x41, 0x8C, 0x42, 0x8C, 0x43, 0x8C, 0x44, /* 0x00-0x03 */ 0x8C, 0x45, 0x8C, 0x46, 0x8C, 0x47, 0x8C, 0x48, /* 0x04-0x07 */ 0x8C, 0x49, 0x8C, 0x4A, 0x8C, 0x4B, 0x8C, 0x4C, /* 0x08-0x0B */ @@ -11382,7 +11382,7 @@ static unsigned char u2c_B6[512] = { 0x8D, 0x82, 0x8D, 0x83, 0x8D, 0x84, 0x8D, 0x85, /* 0xFC-0xFF */ }; -static unsigned char u2c_B7[512] = { +static const unsigned char u2c_B7[512] = { 0xB6, 0xDC, 0xB6, 0xDD, 0x8D, 0x86, 0x8D, 0x87, /* 0x00-0x03 */ 0x8D, 0x88, 0xB6, 0xDE, 0x8D, 0x89, 0x8D, 0x8A, /* 0x04-0x07 */ 0x8D, 0x8B, 0x8D, 0x8C, 0x8D, 0x8D, 0x8D, 0x8E, /* 0x08-0x0B */ @@ -11450,7 +11450,7 @@ static unsigned char u2c_B7[512] = { 0xB7, 0xB3, 0xB7, 0xB4, 0x8E, 0x9B, 0xB7, 0xB5, /* 0xFC-0xFF */ }; -static unsigned char u2c_B8[512] = { +static const unsigned char u2c_B8[512] = { 0xB7, 0xB6, 0xB7, 0xB7, 0x8E, 0x9C, 0x8E, 0x9D, /* 0x00-0x03 */ 0x8E, 0x9E, 0x8E, 0x9F, 0x8E, 0xA0, 0xB7, 0xB8, /* 0x04-0x07 */ 0xB7, 0xB9, 0xB7, 0xBA, 0x8E, 0xA1, 0x8E, 0xA2, /* 0x08-0x0B */ @@ -11518,7 +11518,7 @@ static unsigned char u2c_B8[512] = { 0x8F, 0xAE, 0xB7, 0xEE, 0x8F, 0xAF, 0x8F, 0xB0, /* 0xFC-0xFF */ }; -static unsigned char u2c_B9[512] = { +static const unsigned char u2c_B9[512] = { 0x8F, 0xB1, 0x8F, 0xB2, 0x8F, 0xB3, 0x8F, 0xB4, /* 0x00-0x03 */ 0xB7, 0xEF, 0x8F, 0xB5, 0x8F, 0xB6, 0x8F, 0xB7, /* 0x04-0x07 */ 0x8F, 0xB8, 0x8F, 0xB9, 0x8F, 0xBA, 0x8F, 0xBB, /* 0x08-0x0B */ @@ -11586,7 +11586,7 @@ static unsigned char u2c_B9[512] = { 0x90, 0xBD, 0x90, 0xBE, 0x90, 0xBF, 0x90, 0xC0, /* 0xFC-0xFF */ }; -static unsigned char u2c_BA[512] = { +static const unsigned char u2c_BA[512] = { 0xB8, 0xCF, 0xB8, 0xD0, 0x90, 0xC1, 0x90, 0xC2, /* 0x00-0x03 */ 0x90, 0xC3, 0x90, 0xC4, 0x90, 0xC5, 0x90, 0xC6, /* 0x04-0x07 */ 0xB8, 0xD1, 0x90, 0xC7, 0x90, 0xC8, 0x90, 0xC9, /* 0x08-0x0B */ @@ -11654,7 +11654,7 @@ static unsigned char u2c_BA[512] = { 0xB8, 0xFE, 0x91, 0xDC, 0x91, 0xDD, 0x91, 0xDE, /* 0xFC-0xFF */ }; -static unsigned char u2c_BB[512] = { +static const unsigned char u2c_BB[512] = { 0xB9, 0xA1, 0x91, 0xDF, 0x91, 0xE0, 0x91, 0xE1, /* 0x00-0x03 */ 0xB9, 0xA2, 0x91, 0xE2, 0x91, 0xE3, 0x91, 0xE4, /* 0x04-0x07 */ 0x91, 0xE5, 0x91, 0xE6, 0x91, 0xE7, 0x91, 0xE8, /* 0x08-0x0B */ @@ -11722,7 +11722,7 @@ static unsigned char u2c_BB[512] = { 0xB9, 0xCE, 0x92, 0xFC, 0x92, 0xFD, 0xB9, 0xCF, /* 0xFC-0xFF */ }; -static unsigned char u2c_BC[512] = { +static const unsigned char u2c_BC[512] = { 0xB9, 0xD0, 0x92, 0xFE, 0xB9, 0xD1, 0x93, 0x41, /* 0x00-0x03 */ 0x93, 0x42, 0x93, 0x43, 0x93, 0x44, 0x93, 0x45, /* 0x04-0x07 */ 0xB9, 0xD2, 0xB9, 0xD3, 0x93, 0x46, 0xB9, 0xD4, /* 0x08-0x0B */ @@ -11790,7 +11790,7 @@ static unsigned char u2c_BC[512] = { 0xBA, 0xBC, 0x93, 0xFE, 0x94, 0x41, 0x94, 0x42, /* 0xFC-0xFF */ }; -static unsigned char u2c_BD[512] = { +static const unsigned char u2c_BD[512] = { 0x94, 0x43, 0x94, 0x44, 0x94, 0x45, 0x94, 0x46, /* 0x00-0x03 */ 0xBA, 0xBD, 0xBA, 0xBE, 0x94, 0x47, 0xBA, 0xBF, /* 0x04-0x07 */ 0x94, 0x48, 0xBA, 0xC0, 0x94, 0x49, 0x94, 0x4A, /* 0x08-0x0B */ @@ -11858,7 +11858,7 @@ static unsigned char u2c_BD[512] = { 0x95, 0x69, 0x95, 0x6A, 0x95, 0x6B, 0x95, 0x6C, /* 0xFC-0xFF */ }; -static unsigned char u2c_BE[512] = { +static const unsigned char u2c_BE[512] = { 0xBA, 0xE7, 0x95, 0x6D, 0x95, 0x6E, 0xBA, 0xE8, /* 0x00-0x03 */ 0x95, 0x6F, 0xBA, 0xE9, 0x95, 0x70, 0x95, 0x71, /* 0x04-0x07 */ 0x95, 0x72, 0x95, 0x73, 0x95, 0x74, 0x95, 0x75, /* 0x08-0x0B */ @@ -11926,7 +11926,7 @@ static unsigned char u2c_BE[512] = { 0x96, 0x87, 0x96, 0x88, 0x96, 0x89, 0x96, 0x8A, /* 0xFC-0xFF */ }; -static unsigned char u2c_BF[512] = { +static const unsigned char u2c_BF[512] = { 0x96, 0x8B, 0xBB, 0xBF, 0x96, 0x8C, 0x96, 0x8D, /* 0x00-0x03 */ 0x96, 0x8E, 0x96, 0x8F, 0x96, 0x90, 0x96, 0x91, /* 0x04-0x07 */ 0xBB, 0xC0, 0xBB, 0xC1, 0x96, 0x92, 0x96, 0x93, /* 0x08-0x0B */ @@ -11994,7 +11994,7 @@ static unsigned char u2c_BF[512] = { 0x97, 0xBC, 0x97, 0xBD, 0x97, 0xBE, 0x97, 0xBF, /* 0xFC-0xFF */ }; -static unsigned char u2c_C0[512] = { +static const unsigned char u2c_C0[512] = { 0x97, 0xC0, 0x97, 0xC1, 0x97, 0xC2, 0x97, 0xC3, /* 0x00-0x03 */ 0x97, 0xC4, 0x97, 0xC5, 0x97, 0xC6, 0x97, 0xC7, /* 0x04-0x07 */ 0x97, 0xC8, 0x97, 0xC9, 0x97, 0xCA, 0x97, 0xCB, /* 0x08-0x0B */ @@ -12062,7 +12062,7 @@ static unsigned char u2c_C0[512] = { 0x98, 0xDC, 0x98, 0xDD, 0x98, 0xDE, 0x98, 0xDF, /* 0xFC-0xFF */ }; -static unsigned char u2c_C1[512] = { +static const unsigned char u2c_C1[512] = { 0xBC, 0xA8, 0x98, 0xE0, 0x98, 0xE1, 0x98, 0xE2, /* 0x00-0x03 */ 0xBC, 0xA9, 0x98, 0xE3, 0x98, 0xE4, 0x98, 0xE5, /* 0x04-0x07 */ 0xBC, 0xAA, 0x98, 0xE6, 0x98, 0xE7, 0x98, 0xE8, /* 0x08-0x0B */ @@ -12130,7 +12130,7 @@ static unsigned char u2c_C1[512] = { 0xBC, 0xEE, 0xBC, 0xEF, 0x99, 0xE4, 0x99, 0xE5, /* 0xFC-0xFF */ }; -static unsigned char u2c_C2[512] = { +static const unsigned char u2c_C2[512] = { 0xBC, 0xF0, 0x99, 0xE6, 0x99, 0xE7, 0x99, 0xE8, /* 0x00-0x03 */ 0xBC, 0xF1, 0x99, 0xE9, 0x99, 0xEA, 0x99, 0xEB, /* 0x04-0x07 */ 0x99, 0xEC, 0x99, 0xED, 0x99, 0xEE, 0x99, 0xEF, /* 0x08-0x0B */ @@ -12198,7 +12198,7 @@ static unsigned char u2c_C2[512] = { 0xBD, 0xD1, 0x9A, 0xF1, 0x9A, 0xF2, 0x9A, 0xF3, /* 0xFC-0xFF */ }; -static unsigned char u2c_C3[512] = { +static const unsigned char u2c_C3[512] = { 0xBD, 0xD2, 0x9A, 0xF4, 0x9A, 0xF5, 0x9A, 0xF6, /* 0x00-0x03 */ 0x9A, 0xF7, 0x9A, 0xF8, 0x9A, 0xF9, 0x9A, 0xFA, /* 0x04-0x07 */ 0xBD, 0xD3, 0xBD, 0xD4, 0x9A, 0xFB, 0x9A, 0xFC, /* 0x08-0x0B */ @@ -12266,7 +12266,7 @@ static unsigned char u2c_C3[512] = { 0x9C, 0x58, 0x9C, 0x59, 0x9C, 0x5A, 0x9C, 0x61, /* 0xFC-0xFF */ }; -static unsigned char u2c_C4[512] = { +static const unsigned char u2c_C4[512] = { 0x9C, 0x62, 0x9C, 0x63, 0x9C, 0x64, 0x9C, 0x65, /* 0x00-0x03 */ 0x9C, 0x66, 0x9C, 0x67, 0x9C, 0x68, 0x9C, 0x69, /* 0x04-0x07 */ 0xBD, 0xFA, 0x9C, 0x6A, 0x9C, 0x6B, 0x9C, 0x6C, /* 0x08-0x0B */ @@ -12334,7 +12334,7 @@ static unsigned char u2c_C4[512] = { 0x9D, 0x97, 0x9D, 0x98, 0x9D, 0x99, 0xBE, 0xB7, /* 0xFC-0xFF */ }; -static unsigned char u2c_C5[512] = { +static const unsigned char u2c_C5[512] = { 0xBE, 0xB8, 0xBE, 0xB9, 0x9D, 0x9A, 0x9D, 0x9B, /* 0x00-0x03 */ 0x9D, 0x9C, 0x9D, 0x9D, 0x9D, 0x9E, 0x9D, 0x9F, /* 0x04-0x07 */ 0x9D, 0xA0, 0x9D, 0xA1, 0x9D, 0xA2, 0x9D, 0xA3, /* 0x08-0x0B */ @@ -12402,7 +12402,7 @@ static unsigned char u2c_C5[512] = { 0xBF, 0xB0, 0xBF, 0xB1, 0xBF, 0xB2, 0xBF, 0xB3, /* 0xFC-0xFF */ }; -static unsigned char u2c_C6[512] = { +static const unsigned char u2c_C6[512] = { 0xBF, 0xB4, 0xBF, 0xB5, 0x9E, 0x8E, 0x9E, 0x8F, /* 0x00-0x03 */ 0x9E, 0x90, 0xBF, 0xB6, 0xBF, 0xB7, 0xBF, 0xB8, /* 0x04-0x07 */ 0xBF, 0xB9, 0x9E, 0x91, 0x9E, 0x92, 0x9E, 0x93, /* 0x08-0x0B */ @@ -12470,7 +12470,7 @@ static unsigned char u2c_C6[512] = { 0x9F, 0x88, 0xC0, 0xA6, 0x9F, 0x89, 0x9F, 0x8A, /* 0xFC-0xFF */ }; -static unsigned char u2c_C7[512] = { +static const unsigned char u2c_C7[512] = { 0x9F, 0x8B, 0x9F, 0x8C, 0x9F, 0x8D, 0x9F, 0x8E, /* 0x00-0x03 */ 0xC0, 0xA7, 0xC0, 0xA8, 0x9F, 0x8F, 0x9F, 0x90, /* 0x04-0x07 */ 0xC0, 0xA9, 0x9F, 0x91, 0x9F, 0x92, 0x9F, 0x93, /* 0x08-0x0B */ @@ -12538,7 +12538,7 @@ static unsigned char u2c_C7[512] = { 0xA0, 0x82, 0xA0, 0x83, 0xA0, 0x84, 0xA0, 0x85, /* 0xFC-0xFF */ }; -static unsigned char u2c_C8[512] = { +static const unsigned char u2c_C8[512] = { 0xC0, 0xFA, 0xC0, 0xFB, 0xA0, 0x86, 0xA0, 0x87, /* 0x00-0x03 */ 0xC0, 0xFC, 0xA0, 0x88, 0xA0, 0x89, 0xA0, 0x8A, /* 0x04-0x07 */ 0xC0, 0xFD, 0xA0, 0x8B, 0xC0, 0xFE, 0xA0, 0x8C, /* 0x08-0x0B */ @@ -12606,7 +12606,7 @@ static unsigned char u2c_C8[512] = { 0xC1, 0xD6, 0xC1, 0xD7, 0xA1, 0x96, 0xA1, 0x97, /* 0xFC-0xFF */ }; -static unsigned char u2c_C9[512] = { +static const unsigned char u2c_C9[512] = { 0xC1, 0xD8, 0xA1, 0x98, 0xA1, 0x99, 0xA1, 0x9A, /* 0x00-0x03 */ 0xC1, 0xD9, 0xC1, 0xDA, 0xC1, 0xDB, 0xA1, 0x9B, /* 0x04-0x07 */ 0xA1, 0x9C, 0xA1, 0x9D, 0xA1, 0x9E, 0xA1, 0x9F, /* 0x08-0x0B */ @@ -12674,7 +12674,7 @@ static unsigned char u2c_C9[512] = { 0xC2, 0xB2, 0xA4, 0x54, 0xA4, 0x55, 0xA4, 0x56, /* 0xFC-0xFF */ }; -static unsigned char u2c_CA[512] = { +static const unsigned char u2c_CA[512] = { 0xC2, 0xB3, 0xA4, 0x57, 0xA4, 0x58, 0xA4, 0x59, /* 0x00-0x03 */ 0xA4, 0x5A, 0xA4, 0x61, 0xA4, 0x62, 0xA4, 0x63, /* 0x04-0x07 */ 0xC2, 0xB4, 0xC2, 0xB5, 0xA4, 0x64, 0xC2, 0xB6, /* 0x08-0x0B */ @@ -12742,7 +12742,7 @@ static unsigned char u2c_CA[512] = { 0xA6, 0x93, 0xA6, 0x94, 0xA6, 0x95, 0xA6, 0x96, /* 0xFC-0xFF */ }; -static unsigned char u2c_CB[512] = { +static const unsigned char u2c_CB[512] = { 0xA6, 0x97, 0xA6, 0x98, 0xA6, 0x99, 0xA6, 0x9A, /* 0x00-0x03 */ 0xA6, 0x9B, 0xA6, 0x9C, 0xA6, 0x9D, 0xA6, 0x9E, /* 0x04-0x07 */ 0xC2, 0xD7, 0xA6, 0x9F, 0xA6, 0xA0, 0xA7, 0x41, /* 0x08-0x0B */ @@ -12810,7 +12810,7 @@ static unsigned char u2c_CB[512] = { 0xA9, 0x7A, 0xA9, 0x81, 0xA9, 0x82, 0xA9, 0x83, /* 0xFC-0xFF */ }; -static unsigned char u2c_CC[512] = { +static const unsigned char u2c_CC[512] = { 0xA9, 0x84, 0xA9, 0x85, 0xA9, 0x86, 0xA9, 0x87, /* 0x00-0x03 */ 0xA9, 0x88, 0xA9, 0x89, 0xA9, 0x8A, 0xA9, 0x8B, /* 0x04-0x07 */ 0xA9, 0x8C, 0xA9, 0x8D, 0xA9, 0x8E, 0xA9, 0x8F, /* 0x08-0x0B */ @@ -12878,7 +12878,7 @@ static unsigned char u2c_CC[512] = { 0xAB, 0x9F, 0xAB, 0xA0, 0xAC, 0x41, 0xAC, 0x42, /* 0xFC-0xFF */ }; -static unsigned char u2c_CD[512] = { +static const unsigned char u2c_CD[512] = { 0xAC, 0x43, 0xC3, 0xC9, 0xAC, 0x44, 0xAC, 0x45, /* 0x00-0x03 */ 0xAC, 0x46, 0xAC, 0x47, 0xAC, 0x48, 0xAC, 0x49, /* 0x04-0x07 */ 0xC3, 0xCA, 0xC3, 0xCB, 0xAC, 0x4A, 0xAC, 0x4B, /* 0x08-0x0B */ @@ -12946,7 +12946,7 @@ static unsigned char u2c_CD[512] = { 0xAE, 0x75, 0xC3, 0xF1, 0xAE, 0x76, 0xAE, 0x77, /* 0xFC-0xFF */ }; -static unsigned char u2c_CE[512] = { +static const unsigned char u2c_CE[512] = { 0xAE, 0x78, 0xAE, 0x79, 0xAE, 0x7A, 0xAE, 0x81, /* 0x00-0x03 */ 0xC3, 0xF2, 0xAE, 0x82, 0xAE, 0x83, 0xAE, 0x84, /* 0x04-0x07 */ 0xC3, 0xF3, 0xAE, 0x85, 0xAE, 0x86, 0xAE, 0x87, /* 0x08-0x0B */ @@ -13014,7 +13014,7 @@ static unsigned char u2c_CE[512] = { 0xB0, 0x9D, 0xB0, 0x9E, 0xB0, 0x9F, 0xB0, 0xA0, /* 0xFC-0xFF */ }; -static unsigned char u2c_CF[512] = { +static const unsigned char u2c_CF[512] = { 0xC4, 0xC9, 0xC4, 0xCA, 0xB1, 0x41, 0xB1, 0x42, /* 0x00-0x03 */ 0xC4, 0xCB, 0xB1, 0x43, 0xB1, 0x44, 0xB1, 0x45, /* 0x04-0x07 */ 0xC4, 0xCC, 0xB1, 0x46, 0xB1, 0x47, 0xB1, 0x48, /* 0x08-0x0B */ @@ -13082,7 +13082,7 @@ static unsigned char u2c_CF[512] = { 0xC4, 0xF5, 0xB3, 0x6F, 0xB3, 0x70, 0xB3, 0x71, /* 0xFC-0xFF */ }; -static unsigned char u2c_D0[512] = { +static const unsigned char u2c_D0[512] = { 0xC4, 0xF6, 0xB3, 0x72, 0xB3, 0x73, 0xB3, 0x74, /* 0x00-0x03 */ 0xC4, 0xF7, 0xB3, 0x75, 0xB3, 0x76, 0xB3, 0x77, /* 0x04-0x07 */ 0xB3, 0x78, 0xB3, 0x79, 0xB3, 0x7A, 0xB3, 0x81, /* 0x08-0x0B */ @@ -13150,7 +13150,7 @@ static unsigned char u2c_D0[512] = { 0xB5, 0x98, 0xB5, 0x99, 0xB5, 0x9A, 0xB5, 0x9B, /* 0xFC-0xFF */ }; -static unsigned char u2c_D1[512] = { +static const unsigned char u2c_D1[512] = { 0xB5, 0x9C, 0xB5, 0x9D, 0xB5, 0x9E, 0xB5, 0x9F, /* 0x00-0x03 */ 0xB5, 0xA0, 0xB6, 0x41, 0xB6, 0x42, 0xB6, 0x43, /* 0x04-0x07 */ 0xB6, 0x44, 0xB6, 0x45, 0xB6, 0x46, 0xB6, 0x47, /* 0x08-0x0B */ @@ -13218,7 +13218,7 @@ static unsigned char u2c_D1[512] = { 0xB8, 0x70, 0xB8, 0x71, 0xB8, 0x72, 0xB8, 0x73, /* 0xFC-0xFF */ }; -static unsigned char u2c_D2[512] = { +static const unsigned char u2c_D2[512] = { 0xB8, 0x74, 0xB8, 0x75, 0xB8, 0x76, 0xB8, 0x77, /* 0x00-0x03 */ 0xB8, 0x78, 0xB8, 0x79, 0xB8, 0x7A, 0xC5, 0xF2, /* 0x04-0x07 */ 0xB8, 0x81, 0xC5, 0xF3, 0xB8, 0x82, 0xB8, 0x83, /* 0x08-0x0B */ @@ -13286,7 +13286,7 @@ static unsigned char u2c_D2[512] = { 0xBB, 0x42, 0xBB, 0x43, 0xBB, 0x44, 0xBB, 0x45, /* 0xFC-0xFF */ }; -static unsigned char u2c_D3[512] = { +static const unsigned char u2c_D3[512] = { 0xC6, 0xC0, 0xC6, 0xC1, 0xBB, 0x46, 0xC6, 0xC2, /* 0x00-0x03 */ 0xBB, 0x47, 0xC6, 0xC3, 0xBB, 0x48, 0xBB, 0x49, /* 0x04-0x07 */ 0xBB, 0x4A, 0xBB, 0x4B, 0xBB, 0x4C, 0xBB, 0x4D, /* 0x08-0x0B */ @@ -13354,7 +13354,7 @@ static unsigned char u2c_D3[512] = { 0xC6, 0xFB, 0xC6, 0xFC, 0xBD, 0x65, 0xC6, 0xFD, /* 0xFC-0xFF */ }; -static unsigned char u2c_D4[512] = { +static const unsigned char u2c_D4[512] = { 0xBD, 0x66, 0xC6, 0xFE, 0xBD, 0x67, 0xBD, 0x68, /* 0x00-0x03 */ 0xBD, 0x69, 0xBD, 0x6A, 0xBD, 0x6B, 0xBD, 0x6C, /* 0x04-0x07 */ 0xC7, 0xA1, 0xBD, 0x6D, 0xBD, 0x6E, 0xBD, 0x6F, /* 0x08-0x0B */ @@ -13422,7 +13422,7 @@ static unsigned char u2c_D4[512] = { 0xBF, 0xA0, 0xC7, 0xC0, 0xC0, 0x41, 0xC0, 0x42, /* 0xFC-0xFF */ }; -static unsigned char u2c_D5[512] = { +static const unsigned char u2c_D5[512] = { 0xC0, 0x43, 0xC0, 0x44, 0xC0, 0x45, 0xC0, 0x46, /* 0x00-0x03 */ 0xC7, 0xC1, 0xC0, 0x47, 0xC0, 0x48, 0xC0, 0x49, /* 0x04-0x07 */ 0xC7, 0xC2, 0xC0, 0x4A, 0xC0, 0x4B, 0xC0, 0x4C, /* 0x08-0x0B */ @@ -13490,7 +13490,7 @@ static unsigned char u2c_D5[512] = { 0xC2, 0x6A, 0xC2, 0x6B, 0xC2, 0x6C, 0xC2, 0x6D, /* 0xFC-0xFF */ }; -static unsigned char u2c_D6[512] = { +static const unsigned char u2c_D6[512] = { 0xC7, 0xF4, 0xC7, 0xF5, 0xC2, 0x6E, 0xC2, 0x6F, /* 0x00-0x03 */ 0xC7, 0xF6, 0xC2, 0x70, 0xC2, 0x71, 0xC2, 0x72, /* 0x04-0x07 */ 0xC7, 0xF7, 0xC2, 0x73, 0xC2, 0x74, 0xC2, 0x75, /* 0x08-0x0B */ @@ -13558,7 +13558,7 @@ static unsigned char u2c_D6[512] = { 0xC8, 0xD1, 0xC8, 0xD2, 0xC4, 0x8D, 0xC4, 0x8E, /* 0xFC-0xFF */ }; -static unsigned char u2c_D7[512] = { +static const unsigned char u2c_D7[512] = { 0xC8, 0xD3, 0xC4, 0x8F, 0xC4, 0x90, 0xC4, 0x91, /* 0x00-0x03 */ 0xC8, 0xD4, 0xC4, 0x92, 0xC4, 0x93, 0xC4, 0x94, /* 0x04-0x07 */ 0xC4, 0x95, 0xC4, 0x96, 0xC4, 0x97, 0xC4, 0x98, /* 0x08-0x0B */ @@ -13603,11 +13603,11 @@ static unsigned char u2c_D7[512] = { 0xC6, 0x4F, 0xC6, 0x50, 0xC6, 0x51, 0xC6, 0x52, /* 0xA0-0xA3 */ }; -static unsigned char u2c_DC[512] = { +static const unsigned char u2c_DC[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ }; -static unsigned char u2c_F9[512] = { +static const unsigned char u2c_F9[512] = { 0xCB, 0xD0, 0xCB, 0xD6, 0xCB, 0xE7, 0xCD, 0xCF, /* 0x00-0x03 */ 0xCD, 0xE8, 0xCE, 0xAD, 0xCF, 0xFB, 0xD0, 0xA2, /* 0x04-0x07 */ 0xD0, 0xB8, 0xD0, 0xD0, 0xD0, 0xDD, 0xD1, 0xD4, /* 0x08-0x0B */ @@ -13675,7 +13675,7 @@ static unsigned char u2c_F9[512] = { 0xF2, 0xBD, 0xF2, 0xFA, 0xF3, 0xB1, 0xF4, 0xA7, /* 0xFC-0xFF */ }; -static unsigned char u2c_FA[512] = { +static const unsigned char u2c_FA[512] = { 0xF4, 0xEE, 0xF6, 0xF4, 0xF6, 0xF6, 0xF7, 0xB8, /* 0x00-0x03 */ 0xF7, 0xC8, 0xF7, 0xD3, 0xF8, 0xDB, 0xF8, 0xF0, /* 0x04-0x07 */ 0xFA, 0xA1, 0xFA, 0xA2, 0xFA, 0xE6, 0xFC, 0xA9, /* 0x08-0x0B */ @@ -13690,7 +13690,7 @@ static unsigned char u2c_FA[512] = { 0xCE, 0xBD, 0xF9, 0xCD, 0x00, 0x00, 0x00, 0x00, /* 0x2C-0x2F */ }; -static unsigned char u2c_FF[512] = { +static const unsigned char u2c_FF[512] = { 0x00, 0x00, 0xA3, 0xA1, 0xA3, 0xA2, 0xA3, 0xA3, /* 0x00-0x03 */ 0xA3, 0xA4, 0xA3, 0xA5, 0xA3, 0xA6, 0xA3, 0xA7, /* 0x04-0x07 */ 0xA3, 0xA8, 0xA3, 0xA9, 0xA3, 0xAA, 0xA3, 0xAB, /* 0x08-0x0B */ @@ -13752,7 +13752,7 @@ static unsigned char u2c_FF[512] = { 0x00, 0x00, 0xA1, 0xCD, 0xA3, 0xDC, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { NULL, u2c_01, u2c_02, u2c_03, u2c_04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, u2c_11, NULL, NULL, NULL, NULL, NULL, NULL, @@ -13786,7 +13786,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, u2c_F9, u2c_FA, NULL, NULL, NULL, NULL, u2c_FF, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -13822,7 +13822,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -13861,7 +13861,7 @@ static unsigned char charset2upper[256] = { static int uni2char(const wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni&0xFF; unsigned char ch = (uni>>8)&0xFF; int n; @@ -13893,7 +13893,7 @@ static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) { unsigned char ch, cl; - wchar_t *charset2uni; + const wchar_t *charset2uni; int n; if (boundlen <= 0) diff --git a/fs/nls/nls_cp950.c b/fs/nls/nls_cp950.c index 5665945fb88..ef2536829aa 100644 --- a/fs/nls/nls_cp950.c +++ b/fs/nls/nls_cp950.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t c2u_A1[256] = { +static const wchar_t c2u_A1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -49,7 +49,7 @@ static wchar_t c2u_A1[256] = { 0x2196,0x2197,0x2199,0x2198,0x2225,0x2223,0xFF0F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A2[256] = { +static const wchar_t c2u_A2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -85,7 +85,7 @@ static wchar_t c2u_A2[256] = { 0xFF50,0xFF51,0xFF52,0xFF53,0xFF54,0xFF55,0xFF56,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A3[256] = { +static const wchar_t c2u_A3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -118,7 +118,7 @@ static wchar_t c2u_A3[256] = { 0x0000,0x20AC,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0xE0-0xE7 */ }; -static wchar_t c2u_A4[256] = { +static const wchar_t c2u_A4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -154,7 +154,7 @@ static wchar_t c2u_A4[256] = { 0x723B,0x7247,0x7259,0x725B,0x72AC,0x738B,0x4E19,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A5[256] = { +static const wchar_t c2u_A5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -190,7 +190,7 @@ static wchar_t c2u_A5[256] = { 0x4F01,0x4F0B,0x5149,0x5147,0x5146,0x5148,0x5168,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A6[256] = { +static const wchar_t c2u_A6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -226,7 +226,7 @@ static wchar_t c2u_A6[256] = { 0x4F3A,0x4F38,0x4F43,0x4F54,0x4F3C,0x4F46,0x4F63,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A7[256] = { +static const wchar_t c2u_A7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -262,7 +262,7 @@ static wchar_t c2u_A7[256] = { 0x6751,0x675C,0x6756,0x675E,0x6749,0x6746,0x6760,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A8[256] = { +static const wchar_t c2u_A8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -298,7 +298,7 @@ static wchar_t c2u_A8[256] = { 0x5378,0x5379,0x53D6,0x53D4,0x53D7,0x5473,0x5475,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_A9[256] = { +static const wchar_t c2u_A9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -334,7 +334,7 @@ static wchar_t c2u_A9[256] = { 0x6606,0x6602,0x660E,0x6600,0x660F,0x6615,0x660A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AA[256] = { +static const wchar_t c2u_AA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -370,7 +370,7 @@ static wchar_t c2u_AA[256] = { 0x9577,0x9580,0x961C,0x9640,0x963F,0x963B,0x9644,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AB[256] = { +static const wchar_t c2u_AB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -406,7 +406,7 @@ static wchar_t c2u_AB[256] = { 0x62ED,0x6301,0x62EE,0x62FD,0x6307,0x62F1,0x62F7,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AC[256] = { +static const wchar_t c2u_AC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -442,7 +442,7 @@ static wchar_t c2u_AC[256] = { 0x7D07,0x7D04,0x7D06,0x7F38,0x7F8E,0x7FBF,0x8004,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AD[256] = { +static const wchar_t c2u_AD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -478,7 +478,7 @@ static wchar_t c2u_AD[256] = { 0x5514,0x54E9,0x54ED,0x54E1,0x5509,0x54EE,0x54EA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AE[256] = { +static const wchar_t c2u_AE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -514,7 +514,7 @@ static wchar_t c2u_AE[256] = { 0x6D88,0x6D87,0x6D66,0x6D78,0x6D77,0x6D59,0x6D93,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_AF[256] = { +static const wchar_t c2u_AF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -550,7 +550,7 @@ static wchar_t c2u_AF[256] = { 0x8339,0x8336,0x8317,0x8340,0x8331,0x8328,0x8343,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B0[256] = { +static const wchar_t c2u_B0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -586,7 +586,7 @@ static wchar_t c2u_B0[256] = { 0x5962,0x5A36,0x5A41,0x5A49,0x5A66,0x5A6A,0x5A40,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B1[256] = { +static const wchar_t c2u_B1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -622,7 +622,7 @@ static wchar_t c2u_B1[256] = { 0x689D,0x68A8,0x689F,0x68A1,0x6882,0x6B32,0x6BBA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B2[256] = { +static const wchar_t c2u_B2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -658,7 +658,7 @@ static wchar_t c2u_B2[256] = { 0x838A,0x8393,0x8389,0x83A0,0x8377,0x837B,0x837C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B3[256] = { +static const wchar_t c2u_B3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -694,7 +694,7 @@ static wchar_t c2u_B3[256] = { 0x5831,0x5821,0x581D,0x5820,0x58F9,0x58FA,0x5960,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B4[256] = { +static const wchar_t c2u_B4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -730,7 +730,7 @@ static wchar_t c2u_B4[256] = { 0x6E4D,0x6E3A,0x6E2C,0x6E43,0x6E1D,0x6E3E,0x6ECB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B5[256] = { +static const wchar_t c2u_B5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -766,7 +766,7 @@ static wchar_t c2u_B5[256] = { 0x8996,0x8A3B,0x8A60,0x8A55,0x8A5E,0x8A3C,0x8A41,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B6[256] = { +static const wchar_t c2u_B6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -802,7 +802,7 @@ static wchar_t c2u_B6[256] = { 0x5967,0x5AC1,0x5AC9,0x5ACC,0x5ABE,0x5ABD,0x5ABC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B7[256] = { +static const wchar_t c2u_B7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -838,7 +838,7 @@ static wchar_t c2u_B7[256] = { 0x76DE,0x76DF,0x775B,0x776B,0x7766,0x775E,0x7763,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B8[256] = { +static const wchar_t c2u_B8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -874,7 +874,7 @@ static wchar_t c2u_B8[256] = { 0x8DE4,0x8DE6,0x8EB2,0x8F03,0x8F09,0x8EFE,0x8F0A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_B9[256] = { +static const wchar_t c2u_B9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -910,7 +910,7 @@ static wchar_t c2u_B9[256] = { 0x5ED3,0x5ED6,0x5F0A,0x5F46,0x5F70,0x5FB9,0x6147,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BA[256] = { +static const wchar_t c2u_BA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -946,7 +946,7 @@ static wchar_t c2u_BA[256] = { 0x7DBF,0x7DB5,0x7DB8,0x7DAD,0x7DD2,0x7DC7,0x7DAC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BB[256] = { +static const wchar_t c2u_BB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -982,7 +982,7 @@ static wchar_t c2u_BB[256] = { 0x50F5,0x50F9,0x5102,0x5108,0x5109,0x5105,0x51DC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BC[256] = { +static const wchar_t c2u_BC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1018,7 +1018,7 @@ static wchar_t c2u_BC[256] = { 0x7256,0x729B,0x734E,0x7357,0x7469,0x748B,0x7483,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BD[256] = { +static const wchar_t c2u_BD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1054,7 +1054,7 @@ static wchar_t c2u_BD[256] = { 0x8F1B,0x8F1F,0x8F29,0x8F26,0x8F2A,0x8F1C,0x8F1E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BE[256] = { +static const wchar_t c2u_BE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1090,7 +1090,7 @@ static wchar_t c2u_BE[256] = { 0x6A48,0x6B59,0x6B77,0x6C05,0x6FC2,0x6FB1,0x6FA1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_BF[256] = { +static const wchar_t c2u_BF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1126,7 +1126,7 @@ static wchar_t c2u_BF[256] = { 0x9333,0x932F,0x9322,0x92FC,0x932B,0x9304,0x931A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C0[256] = { +static const wchar_t c2u_C0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1162,7 +1162,7 @@ static wchar_t c2u_C0[256] = { 0x7642,0x764C,0x76EA,0x77B3,0x77AA,0x77B0,0x77AC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C1[256] = { +static const wchar_t c2u_C1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1198,7 +1198,7 @@ static wchar_t c2u_C1[256] = { 0x971E,0x97A0,0x97D3,0x9846,0x98B6,0x9935,0x9A01,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C2[256] = { +static const wchar_t c2u_C2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1234,7 +1234,7 @@ static wchar_t c2u_C2[256] = { 0x96DC,0x96D9,0x96DB,0x96DE,0x9724,0x97A3,0x97A6,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C3[256] = { +static const wchar_t c2u_C3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1270,7 +1270,7 @@ static wchar_t c2u_C3[256] = { 0x96E3,0x972A,0x9727,0x9761,0x97DC,0x97FB,0x985E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C4[256] = { +static const wchar_t c2u_C4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1306,7 +1306,7 @@ static wchar_t c2u_C4[256] = { 0x8822,0x8821,0x881F,0x896A,0x896C,0x89BD,0x8B74,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C5[256] = { +static const wchar_t c2u_C5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1342,7 +1342,7 @@ static wchar_t c2u_C5[256] = { 0x7F50,0x7F88,0x8836,0x8839,0x8862,0x8B93,0x8B92,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_C6[256] = { +static const wchar_t c2u_C6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1361,7 +1361,7 @@ static wchar_t c2u_C6[256] = { 0x9E1A,0x7228,0x9A6A,0x9B31,0x9E1B,0x9E1E,0x7C72,0x0000,/* 0x78-0x7F */ }; -static wchar_t c2u_C9[256] = { +static const wchar_t c2u_C9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1397,7 +1397,7 @@ static wchar_t c2u_C9[256] = { 0x6C46,0x6C52,0x6C5C,0x6C4F,0x6C4A,0x6C54,0x6C4B,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CA[256] = { +static const wchar_t c2u_CA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1433,7 +1433,7 @@ static wchar_t c2u_CA[256] = { 0x65F0,0x65F4,0x65F3,0x65F2,0x65F5,0x6745,0x6747,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CB[256] = { +static const wchar_t c2u_CB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1469,7 +1469,7 @@ static wchar_t c2u_CB[256] = { 0x5776,0x5780,0x5775,0x577B,0x5773,0x5774,0x5762,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CC[256] = { +static const wchar_t c2u_CC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1505,7 +1505,7 @@ static wchar_t c2u_CC[256] = { 0x6CD0,0x6CC2,0x6CBA,0x6CC3,0x6CC6,0x6CED,0x6CF2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CD[256] = { +static const wchar_t c2u_CD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1541,7 +1541,7 @@ static wchar_t c2u_CD[256] = { 0x5399,0x5398,0x54BA,0x54A1,0x54AD,0x54A5,0x54CF,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CE[256] = { +static const wchar_t c2u_CE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1577,7 +1577,7 @@ static wchar_t c2u_CE[256] = { 0x662E,0x670F,0x6710,0x67C1,0x67F2,0x67C8,0x67BA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_CF[256] = { +static const wchar_t c2u_CF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1613,7 +1613,7 @@ static wchar_t c2u_CF[256] = { 0x7944,0x79D5,0x79CD,0x79CF,0x79D6,0x79CE,0x7A80,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D0[256] = { +static const wchar_t c2u_D0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1649,7 +1649,7 @@ static wchar_t c2u_D0[256] = { 0x54FF,0x5504,0x5508,0x54EB,0x5511,0x5505,0x54F1,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D1[256] = { +static const wchar_t c2u_D1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1685,7 +1685,7 @@ static wchar_t c2u_D1[256] = { 0x6B31,0x6B34,0x6B6D,0x8082,0x6B88,0x6BE6,0x6BE4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D2[256] = { +static const wchar_t c2u_D2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1721,7 +1721,7 @@ static wchar_t c2u_D2[256] = { 0x7A85,0x7A8B,0x7A8C,0x7A8A,0x7A87,0x7AD8,0x7B10,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D3[256] = { +static const wchar_t c2u_D3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1757,7 +1757,7 @@ static wchar_t c2u_D3[256] = { 0x90E5,0x90D8,0x90DB,0x90D7,0x90DC,0x90E4,0x9150,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D4[256] = { +static const wchar_t c2u_D4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1793,7 +1793,7 @@ static wchar_t c2u_D4[256] = { 0x5D20,0x5D0C,0x5D28,0x5D0D,0x5D26,0x5D25,0x5D0F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D5[256] = { +static const wchar_t c2u_D5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1829,7 +1829,7 @@ static wchar_t c2u_D5[256] = { 0x6DED,0x6DF0,0x6DBA,0x6DD5,0x6DC2,0x6DCF,0x6DC9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D6[256] = { +static const wchar_t c2u_D6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1865,7 +1865,7 @@ static wchar_t c2u_D6[256] = { 0x7FCD,0x7FD0,0x7FD1,0x7FC7,0x7FCF,0x7FC9,0x801F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D7[256] = { +static const wchar_t c2u_D7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1901,7 +1901,7 @@ static wchar_t c2u_D7[256] = { 0x91F4,0x91F1,0x91F3,0x91F8,0x91E4,0x91F9,0x91EA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D8[256] = { +static const wchar_t c2u_D8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1937,7 +1937,7 @@ static wchar_t c2u_D8[256] = { 0x60C9,0x60B9,0x60CC,0x60E2,0x60CE,0x60C4,0x6114,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_D9[256] = { +static const wchar_t c2u_D9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -1973,7 +1973,7 @@ static wchar_t c2u_D9[256] = { 0x6E4B,0x6E40,0x6E51,0x6E3B,0x6E03,0x6E2E,0x6E5E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DA[256] = { +static const wchar_t c2u_DA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2009,7 +2009,7 @@ static wchar_t c2u_DA[256] = { 0x7D69,0x7D51,0x7D5F,0x7D4E,0x7F3E,0x7F3F,0x7F65,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DB[256] = { +static const wchar_t c2u_DB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2045,7 +2045,7 @@ static wchar_t c2u_DB[256] = { 0x8DD9,0x8DC8,0x8DD7,0x8DC5,0x8EEF,0x8EF7,0x8EFA,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DC[256] = { +static const wchar_t c2u_DC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2081,7 +2081,7 @@ static wchar_t c2u_DC[256] = { 0x5AB1,0x5AB5,0x5AB0,0x5ABF,0x5AC8,0x5ABB,0x5AC6,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DD[256] = { +static const wchar_t c2u_DD[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2117,7 +2117,7 @@ static wchar_t c2u_DD[256] = { 0x6B42,0x6B48,0x6B41,0x6B9B,0xFA0D,0x6BFB,0x6BFC,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DE[256] = { +static const wchar_t c2u_DE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2153,7 +2153,7 @@ static wchar_t c2u_DE[256] = { 0x7A18,0x7A19,0x7A12,0x7A17,0x7A15,0x7A22,0x7A13,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_DF[256] = { +static const wchar_t c2u_DF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2189,7 +2189,7 @@ static wchar_t c2u_DF[256] = { 0x88CC,0x88D0,0x8985,0x899B,0x89DF,0x89E5,0x89E4,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E0[256] = { +static const wchar_t c2u_E0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2225,7 +2225,7 @@ static wchar_t c2u_E0[256] = { 0x50E4,0x50D3,0x50EC,0x50F0,0x50EF,0x50E3,0x50E0,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E1[256] = { +static const wchar_t c2u_E1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2261,7 +2261,7 @@ static wchar_t c2u_E1[256] = { 0x669F,0x6705,0x6704,0x6722,0x69B1,0x69B6,0x69C9,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E2[256] = { +static const wchar_t c2u_E2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2297,7 +2297,7 @@ static wchar_t c2u_E2[256] = { 0x7998,0x798A,0x798B,0x7996,0x7995,0x7994,0x7993,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E3[256] = { +static const wchar_t c2u_E3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2333,7 +2333,7 @@ static wchar_t c2u_E3[256] = { 0x88F2,0x88FA,0x88FE,0x88EE,0x88FC,0x88F6,0x88FB,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E4[256] = { +static const wchar_t c2u_E4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2369,7 +2369,7 @@ static wchar_t c2u_E4[256] = { 0x564C,0x5635,0x5641,0x564A,0x5649,0x5646,0x5658,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E5[256] = { +static const wchar_t c2u_E5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2405,7 +2405,7 @@ static wchar_t c2u_E5[256] = { 0x6C02,0x6F41,0x6F26,0x6F7E,0x6F87,0x6FC6,0x6F92,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E6[256] = { +static const wchar_t c2u_E6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2441,7 +2441,7 @@ static wchar_t c2u_E6[256] = { 0x7FEC,0x7FE6,0x7FE8,0x8064,0x8067,0x81A3,0x819F,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E7[256] = { +static const wchar_t c2u_E7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2477,7 +2477,7 @@ static wchar_t c2u_E7[256] = { 0x8E15,0x8E1B,0x8E16,0x8E11,0x8E19,0x8E26,0x8E27,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E8[256] = { +static const wchar_t c2u_E8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2513,7 +2513,7 @@ static wchar_t c2u_E8[256] = { 0x5111,0x51DE,0x5334,0x53E1,0x5670,0x5660,0x566E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_E9[256] = { +static const wchar_t c2u_E9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2549,7 +2549,7 @@ static wchar_t c2u_E9[256] = { 0x6FAE,0x6FBA,0x6FAC,0x6FAA,0x6FCF,0x6FBF,0x6FB8,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EA[256] = { +static const wchar_t c2u_EA[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2585,7 +2585,7 @@ static wchar_t c2u_EA[256] = { 0x8556,0x8545,0x856B,0x854D,0x8553,0x8561,0x8558,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EB[256] = { +static const wchar_t c2u_EB[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2621,7 +2621,7 @@ static wchar_t c2u_EB[256] = { 0x92FF,0x9329,0x9339,0x9335,0x932A,0x9314,0x930C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EC[256] = { +static const wchar_t c2u_EC[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2657,7 +2657,7 @@ static wchar_t c2u_EC[256] = { 0x6A9F,0x6A9B,0x6AA1,0x6A9E,0x6A87,0x6A93,0x6A8E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_ED[256] = { +static const wchar_t c2u_ED[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2693,7 +2693,7 @@ static wchar_t c2u_ED[256] = { 0x85A0,0x858B,0x85A3,0x857B,0x85A4,0x859A,0x859E,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EE[256] = { +static const wchar_t c2u_EE[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2729,7 +2729,7 @@ static wchar_t c2u_EE[256] = { 0x971F,0x9718,0x971D,0x9719,0x979A,0x97A1,0x979C,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_EF[256] = { +static const wchar_t c2u_EF[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2765,7 +2765,7 @@ static wchar_t c2u_EF[256] = { 0x700A,0x7201,0x71FF,0x71F9,0x7203,0x71FD,0x7376,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F0[256] = { +static const wchar_t c2u_F0[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2801,7 +2801,7 @@ static wchar_t c2u_F0[256] = { 0x8E62,0x8E60,0x8E57,0x8E56,0x8E5E,0x8E65,0x8E67,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F1[256] = { +static const wchar_t c2u_F1[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2837,7 +2837,7 @@ static wchar_t c2u_F1[256] = { 0x58DB,0x5912,0x5B3D,0x5B3E,0x5B3F,0x5DC3,0x5E70,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F2[256] = { +static const wchar_t c2u_F2[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2873,7 +2873,7 @@ static wchar_t c2u_F2[256] = { 0x8B4A,0x8B40,0x8B53,0x8B56,0x8B54,0x8B4B,0x8B55,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F3[256] = { +static const wchar_t c2u_F3[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2909,7 +2909,7 @@ static wchar_t c2u_F3[256] = { 0x9F41,0x9F4D,0x9F56,0x9F57,0x9F58,0x5337,0x56B2,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F4[256] = { +static const wchar_t c2u_F4[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2945,7 +2945,7 @@ static wchar_t c2u_F4[256] = { 0x9416,0x9412,0x93FA,0x9409,0x93F8,0x940A,0x93FF,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F5[256] = { +static const wchar_t c2u_F5[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -2981,7 +2981,7 @@ static wchar_t c2u_F5[256] = { 0x8627,0x862E,0x8621,0x8620,0x8629,0x861E,0x8625,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F6[256] = { +static const wchar_t c2u_F6[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3017,7 +3017,7 @@ static wchar_t c2u_F6[256] = { 0x7A70,0x7A71,0x7C57,0x7C5C,0x7C59,0x7C5B,0x7C5A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F7[256] = { +static const wchar_t c2u_F7[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3053,7 +3053,7 @@ static wchar_t c2u_F7[256] = { 0x8832,0x882E,0x8833,0x8976,0x8974,0x8973,0x89FE,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F8[256] = { +static const wchar_t c2u_F8[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3089,7 +3089,7 @@ static wchar_t c2u_F8[256] = { 0x77D8,0x77D9,0x7939,0x7C69,0x7C6B,0x7CF6,0x7E9A,0x0000,/* 0xF8-0xFF */ }; -static wchar_t c2u_F9[256] = { +static const wchar_t c2u_F9[256] = { 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x00-0x07 */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x08-0x0F */ 0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,/* 0x10-0x17 */ @@ -3125,7 +3125,7 @@ static wchar_t c2u_F9[256] = { 0x2551,0x2550,0x256D,0x256E,0x2570,0x256F,0x2593,0x0000,/* 0xF8-0xFF */ }; -static wchar_t *page_charset2uni[256] = { +static const wchar_t *page_charset2uni[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -3160,7 +3160,7 @@ static wchar_t *page_charset2uni[256] = { c2u_F8, c2u_F9, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char u2c_02[512] = { +static const unsigned char u2c_02[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3219,7 +3219,7 @@ static unsigned char u2c_02[512] = { 0x00, 0x00, 0xA3, 0xBB, 0x00, 0x00, 0x00, 0x00, /* 0xD8-0xDB */ }; -static unsigned char u2c_03[512] = { +static const unsigned char u2c_03[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xC2, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3274,7 +3274,7 @@ static unsigned char u2c_03[512] = { 0xA3, 0x72, 0xA3, 0x73, 0x00, 0x00, 0x00, 0x00, /* 0xC8-0xCB */ }; -static unsigned char u2c_20[512] = { +static const unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3293,7 +3293,7 @@ static unsigned char u2c_20[512] = { 0x00, 0x00, 0x00, 0x00, 0xA1, 0xC3, 0x00, 0x00, /* 0x3C-0x3F */ }; -static unsigned char u2c_21[512] = { +static const unsigned char u2c_21[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA2, 0x4A, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xC1, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xA2, 0x4B, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3336,7 +3336,7 @@ static unsigned char u2c_21[512] = { 0xA1, 0xFB, 0xA1, 0xFA, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9B */ }; -static unsigned char u2c_22[512] = { +static const unsigned char u2c_22[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3388,12 +3388,12 @@ static unsigned char u2c_22[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, 0xE9, /* 0xBC-0xBF */ }; -static unsigned char u2c_23[512] = { +static const unsigned char u2c_23[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, 0x5B, /* 0x04-0x07 */ }; -static unsigned char u2c_25[512] = { +static const unsigned char u2c_25[512] = { 0xA2, 0x77, 0x00, 0x00, 0xA2, 0x78, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3455,7 +3455,7 @@ static unsigned char u2c_25[512] = { 0xA2, 0xAB, 0xA2, 0xAA, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char u2c_26[512] = { +static const unsigned char u2c_26[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA1, 0xB9, 0xA1, 0xB8, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xA1, 0xF3, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3475,7 +3475,7 @@ static unsigned char u2c_26[512] = { 0xA1, 0xF0, 0xA1, 0xF2, 0xA1, 0xF1, 0x00, 0x00, /* 0x40-0x43 */ }; -static unsigned char u2c_30[512] = { +static const unsigned char u2c_30[512] = { 0xA1, 0x40, 0xA1, 0x42, 0xA1, 0x43, 0xA1, 0xB2, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xA1, 0x71, 0xA1, 0x72, 0xA1, 0x6D, 0xA1, 0x6E, /* 0x08-0x0B */ @@ -3491,7 +3491,7 @@ static unsigned char u2c_30[512] = { 0xA1, 0xCA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x33 */ }; -static unsigned char u2c_31[512] = { +static const unsigned char u2c_31[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA3, 0x74, 0xA3, 0x75, 0xA3, 0x76, /* 0x04-0x07 */ 0xA3, 0x77, 0xA3, 0x78, 0xA3, 0x79, 0xA3, 0x7A, /* 0x08-0x0B */ @@ -3535,7 +3535,7 @@ static unsigned char u2c_31[512] = { 0xA4, 0x42, 0xA4, 0xD1, 0xA6, 0x61, 0xA4, 0x48, /* 0x9C-0x9F */ }; -static unsigned char u2c_32[512] = { +static const unsigned char u2c_32[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3584,7 +3584,7 @@ static unsigned char u2c_32[512] = { 0xA9, 0x5D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xB0-0xB3 */ }; -static unsigned char u2c_33[512] = { +static const unsigned char u2c_33[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -3642,7 +3642,7 @@ static unsigned char u2c_33[512] = { 0x00, 0x00, 0xA2, 0x4F, 0x00, 0x00, 0x00, 0x00, /* 0xD4-0xD7 */ }; -static unsigned char u2c_4E[512] = { +static const unsigned char u2c_4E[512] = { 0xA4, 0x40, 0xA4, 0x42, 0x00, 0x00, 0xA4, 0x43, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC9, 0x45, /* 0x04-0x07 */ 0xA4, 0x56, 0xA4, 0x54, 0xA4, 0x57, 0xA4, 0x55, /* 0x08-0x0B */ @@ -3710,7 +3710,7 @@ static unsigned char u2c_4E[512] = { 0x00, 0x00, 0xA5, 0xF7, 0x00, 0x00, 0xA5, 0xE9, /* 0xFC-0xFF */ }; -static unsigned char u2c_4F[512] = { +static const unsigned char u2c_4F[512] = { 0xC9, 0xB1, 0xA5, 0xF8, 0xC9, 0xB5, 0x00, 0x00, /* 0x00-0x03 */ 0xC9, 0xB9, 0xC9, 0xB6, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xC9, 0xB3, 0xA5, 0xEA, 0xA5, 0xEC, 0xA5, 0xF9, /* 0x08-0x0B */ @@ -3778,7 +3778,7 @@ static unsigned char u2c_4F[512] = { 0x00, 0x00, 0x00, 0x00, 0xAD, 0xDA, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_50[512] = { +static const unsigned char u2c_50[512] = { 0xAD, 0xCE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xD0, 0xC9, 0xAD, 0xC7, 0xD0, 0xCA, /* 0x04-0x07 */ 0x00, 0x00, 0xAD, 0xDC, 0x00, 0x00, 0xAD, 0xD3, /* 0x08-0x0B */ @@ -3846,7 +3846,7 @@ static unsigned char u2c_50[512] = { 0x00, 0x00, 0xE4, 0xF0, 0xE4, 0xED, 0xE4, 0xE6, /* 0xFC-0xFF */ }; -static unsigned char u2c_51[512] = { +static const unsigned char u2c_51[512] = { 0xBB, 0xF6, 0x00, 0x00, 0xBB, 0xFA, 0xE4, 0xE7, /* 0x00-0x03 */ 0xBB, 0xF5, 0xBB, 0xFD, 0xE4, 0xEA, 0xE4, 0xEB, /* 0x04-0x07 */ 0xBB, 0xFB, 0xBB, 0xFC, 0xE4, 0xF1, 0xE4, 0xEE, /* 0x08-0x0B */ @@ -3914,7 +3914,7 @@ static unsigned char u2c_51[512] = { 0x00, 0x00, 0xA8, 0xE7, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_52[512] = { +static const unsigned char u2c_52[512] = { 0xA4, 0x4D, 0xA4, 0x4E, 0x00, 0x00, 0xA4, 0x62, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xA4, 0xC0, 0xA4, 0xC1, /* 0x04-0x07 */ 0xA4, 0xC2, 0xC9, 0xBE, 0xA5, 0x5A, 0x00, 0x00, /* 0x08-0x0B */ @@ -3982,7 +3982,7 @@ static unsigned char u2c_52[512] = { 0xC9, 0x56, 0x00, 0x00, 0xA4, 0xC4, 0xA4, 0xC5, /* 0xFC-0xFF */ }; -static unsigned char u2c_53[512] = { +static const unsigned char u2c_53[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xA5, 0x5D, 0xA5, 0x5E, 0x00, 0x00, /* 0x04-0x07 */ 0xA6, 0x49, 0xCA, 0x71, 0xCB, 0xD6, 0xCB, 0xD7, /* 0x08-0x0B */ @@ -4050,7 +4050,7 @@ static unsigned char u2c_53[512] = { 0xA5, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_54[512] = { +static const unsigned char u2c_54[512] = { 0x00, 0x00, 0xA6, 0x53, 0x00, 0x00, 0xA6, 0x59, /* 0x00-0x03 */ 0xA6, 0x55, 0x00, 0x00, 0xA6, 0x5B, 0xC9, 0xC5, /* 0x04-0x07 */ 0xA6, 0x58, 0xA6, 0x4E, 0xA6, 0x51, 0xA6, 0x54, /* 0x08-0x0B */ @@ -4118,7 +4118,7 @@ static unsigned char u2c_54[512] = { 0xAD, 0xF3, 0xAE, 0x43, 0x00, 0x00, 0xD0, 0xF8, /* 0xFC-0xFF */ }; -static unsigned char u2c_55[512] = { +static const unsigned char u2c_55[512] = { 0x00, 0x00, 0xAD, 0xF1, 0x00, 0x00, 0xD1, 0x46, /* 0x00-0x03 */ 0xD0, 0xF9, 0xD0, 0xFD, 0xAD, 0xF6, 0xAE, 0x42, /* 0x04-0x07 */ 0xD0, 0xFA, 0xAD, 0xFC, 0xD1, 0x40, 0xD1, 0x47, /* 0x08-0x0B */ @@ -4186,7 +4186,7 @@ static unsigned char u2c_55[512] = { 0xE1, 0x4B, 0xB9, 0xC2, 0xB9, 0xBE, 0xE1, 0x54, /* 0xFC-0xFF */ }; -static unsigned char u2c_56[512] = { +static const unsigned char u2c_56[512] = { 0xB9, 0xBF, 0xE1, 0x4E, 0xE1, 0x50, 0x00, 0x00, /* 0x00-0x03 */ 0xE1, 0x53, 0x00, 0x00, 0xB9, 0xC4, 0x00, 0x00, /* 0x04-0x07 */ 0xB9, 0xCB, 0xB9, 0xC5, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4254,7 +4254,7 @@ static unsigned char u2c_56[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAB, 0xAA, /* 0xFC-0xFF */ }; -static unsigned char u2c_57[512] = { +static const unsigned char u2c_57[512] = { 0x00, 0x00, 0xD1, 0x48, 0xD1, 0x49, 0xAE, 0x45, /* 0x00-0x03 */ 0xAE, 0x46, 0x00, 0x00, 0x00, 0x00, 0xD4, 0xAC, /* 0x04-0x07 */ 0xB0, 0xE9, 0xB0, 0xEB, 0xD4, 0xAB, 0xB0, 0xEA, /* 0x08-0x0B */ @@ -4322,7 +4322,7 @@ static unsigned char u2c_57[512] = { 0xD4, 0xC3, 0xD4, 0xB5, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_58[512] = { +static const unsigned char u2c_58[512] = { 0xD4, 0xB3, 0xD4, 0xC6, 0xB0, 0xF3, 0x00, 0x00, /* 0x00-0x03 */ 0xD4, 0xCC, 0xB0, 0xED, 0xB0, 0xEF, 0xD4, 0xBB, /* 0x04-0x07 */ 0xD4, 0xB6, 0xAE, 0x4B, 0xB0, 0xEE, 0xD4, 0xB8, /* 0x08-0x0B */ @@ -4390,7 +4390,7 @@ static unsigned char u2c_58[512] = { 0xDC, 0xF2, 0xB9, 0xD8, 0xE1, 0x69, 0xE5, 0x53, /* 0xFC-0xFF */ }; -static unsigned char u2c_59[512] = { +static const unsigned char u2c_59[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC9, 0x5A, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xCA, 0xB0, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -4458,7 +4458,7 @@ static unsigned char u2c_59[512] = { 0xCE, 0x6A, 0xCE, 0x69, 0xCE, 0x74, 0xAB, 0xBA, /* 0xFC-0xFF */ }; -static unsigned char u2c_5A[512] = { +static const unsigned char u2c_5A[512] = { 0xCE, 0x65, 0xAB, 0xC2, 0x00, 0x00, 0xAB, 0xBD, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xAE, 0x5C, 0xD1, 0x62, 0x00, 0x00, /* 0x08-0x0B */ @@ -4526,7 +4526,7 @@ static unsigned char u2c_5A[512] = { 0x00, 0x00, 0xE5, 0x56, 0x00, 0x00, 0xE5, 0x54, /* 0xFC-0xFF */ }; -static unsigned char u2c_5B[512] = { +static const unsigned char u2c_5B[512] = { 0x00, 0x00, 0xE5, 0x5D, 0xE5, 0x5B, 0xE5, 0x59, /* 0x00-0x03 */ 0x00, 0x00, 0xE5, 0x5F, 0x00, 0x00, 0xE5, 0x5E, /* 0x04-0x07 */ 0xBC, 0x63, 0xBC, 0x5E, 0x00, 0x00, 0xBC, 0x60, /* 0x08-0x0B */ @@ -4594,7 +4594,7 @@ static unsigned char u2c_5B[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_5C[512] = { +static const unsigned char u2c_5C[512] = { 0x00, 0x00, 0xAB, 0xCA, 0x00, 0x00, 0xD1, 0x69, /* 0x00-0x03 */ 0xAE, 0x67, 0x00, 0x00, 0x00, 0x00, 0xB1, 0x4E, /* 0x04-0x07 */ 0xB1, 0x4D, 0xB1, 0x4C, 0xB4, 0x4C, 0xB4, 0x4D, /* 0x08-0x0B */ @@ -4662,7 +4662,7 @@ static unsigned char u2c_5C[512] = { 0x00, 0x00, 0xAE, 0x6C, 0x00, 0x00, 0xD1, 0x6D, /* 0xFC-0xFF */ }; -static unsigned char u2c_5D[512] = { +static const unsigned char u2c_5D[512] = { 0xD1, 0x71, 0xAE, 0x72, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xB1, 0x53, 0xB1, 0x52, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD4, 0xF5, /* 0x08-0x0B */ @@ -4730,7 +4730,7 @@ static unsigned char u2c_5D[512] = { 0x00, 0x00, 0xB4, 0x53, 0xA4, 0x79, 0xC9, 0x5D, /* 0xFC-0xFF */ }; -static unsigned char u2c_5E[512] = { +static const unsigned char u2c_5E[512] = { 0x00, 0x00, 0x00, 0x00, 0xA5, 0xAB, 0xA5, 0xAC, /* 0x00-0x03 */ 0xC9, 0x78, 0x00, 0x00, 0xA6, 0x7C, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xCA, 0xCB, 0x00, 0x00, /* 0x08-0x0B */ @@ -4798,7 +4798,7 @@ static unsigned char u2c_5E[512] = { 0x00, 0x00, 0x00, 0x00, 0xA4, 0x7B, 0xA4, 0xDC, /* 0xFC-0xFF */ }; -static unsigned char u2c_5F[512] = { +static const unsigned char u2c_5F[512] = { 0x00, 0x00, 0xA5, 0xAF, 0xC9, 0xDD, 0x00, 0x00, /* 0x00-0x03 */ 0xA7, 0xCB, 0xCA, 0xD2, 0x00, 0x00, 0xCE, 0xBB, /* 0x04-0x07 */ 0xAB, 0xD9, 0x00, 0x00, 0xB9, 0xFA, 0xA4, 0x7C, /* 0x08-0x0B */ @@ -4866,7 +4866,7 @@ static unsigned char u2c_5F[512] = { 0x00, 0x00, 0xA9, 0xBF, 0x00, 0x00, 0xA9, 0xC1, /* 0xFC-0xFF */ }; -static unsigned char u2c_60[512] = { +static const unsigned char u2c_60[512] = { 0xCA, 0xE4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xCC, 0xAF, 0xCC, 0xA2, 0xCC, 0x7E, /* 0x08-0x0B */ @@ -4934,7 +4934,7 @@ static unsigned char u2c_60[512] = { 0xD9, 0x47, 0x00, 0x00, 0xD9, 0x48, 0xD9, 0x4E, /* 0xFC-0xFF */ }; -static unsigned char u2c_61[512] = { +static const unsigned char u2c_61[512] = { 0xB4, 0x73, 0xB7, 0x54, 0x00, 0x00, 0xD9, 0x4A, /* 0x00-0x03 */ 0xD9, 0x4F, 0xD9, 0x43, 0xB7, 0x5E, 0x00, 0x00, /* 0x04-0x07 */ 0xB7, 0x55, 0xB4, 0x72, 0xD9, 0x41, 0xD9, 0x50, /* 0x08-0x0B */ @@ -5002,7 +5002,7 @@ static unsigned char u2c_61[512] = { 0xC4, 0xDF, 0xF5, 0xCC, 0xC4, 0xE0, 0xC5, 0x74, /* 0xFC-0xFF */ }; -static unsigned char u2c_62[512] = { +static const unsigned char u2c_62[512] = { 0xC5, 0xCA, 0xF7, 0xD9, 0x00, 0x00, 0xF7, 0xDA, /* 0x00-0x03 */ 0xF7, 0xDB, 0x00, 0x00, 0x00, 0x00, 0xF9, 0xBA, /* 0x04-0x07 */ 0xA4, 0xE0, 0xC9, 0x7C, 0xA5, 0xB3, 0x00, 0x00, /* 0x08-0x0B */ @@ -5070,7 +5070,7 @@ static unsigned char u2c_62[512] = { 0xAB, 0xF7, 0xAB, 0xFB, 0xAC, 0x42, 0xAE, 0xB3, /* 0xFC-0xFF */ }; -static unsigned char u2c_63[512] = { +static const unsigned char u2c_63[512] = { 0xCE, 0xE0, 0xAB, 0xF9, 0xAC, 0x45, 0xCE, 0xD9, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAB, 0xFC, /* 0x04-0x07 */ 0xAE, 0xB2, 0xAB, 0xF6, 0x00, 0x00, 0xCE, 0xD6, /* 0x08-0x0B */ @@ -5138,7 +5138,7 @@ static unsigned char u2c_63[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_64[512] = { +static const unsigned char u2c_64[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xB7, 0x70, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xDD, 0x7C, 0xDD, 0xB1, 0xDD, 0xB6, /* 0x08-0x0B */ @@ -5206,7 +5206,7 @@ static unsigned char u2c_64[512] = { 0xEF, 0xD7, 0xEF, 0xD3, 0xC2, 0x5A, 0xEF, 0xD1, /* 0xFC-0xFF */ }; -static unsigned char u2c_65[512] = { +static const unsigned char u2c_65[512] = { 0xC3, 0x6B, 0xEF, 0xD5, 0x00, 0x00, 0xEF, 0xD6, /* 0x00-0x03 */ 0xEF, 0xD2, 0x00, 0x00, 0xC2, 0x5B, 0xF2, 0x42, /* 0x04-0x07 */ 0x00, 0x00, 0xF2, 0x45, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5274,7 +5274,7 @@ static unsigned char u2c_65[512] = { 0xCC, 0xC5, 0xCC, 0xCE, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_66[512] = { +static const unsigned char u2c_66[512] = { 0xA9, 0xFB, 0x00, 0x00, 0xA9, 0xF9, 0xCC, 0xCA, /* 0x00-0x03 */ 0xCC, 0xC6, 0xCC, 0xCD, 0xA9, 0xF8, 0xAA, 0x40, /* 0x04-0x07 */ 0xCC, 0xC8, 0xCC, 0xC4, 0xA9, 0xFE, 0xCC, 0xCB, /* 0x08-0x0B */ @@ -5342,7 +5342,7 @@ static unsigned char u2c_66[512] = { 0xB0, 0xD2, 0x00, 0x00, 0xB4, 0xBF, 0xB4, 0xC0, /* 0xFC-0xFF */ }; -static unsigned char u2c_67[512] = { +static const unsigned char u2c_67[512] = { 0xB3, 0xCC, 0xD9, 0xA9, 0x00, 0x00, 0xB7, 0x7C, /* 0x00-0x03 */ 0xE1, 0xFA, 0xE1, 0xF9, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xA4, 0xEB, 0xA6, 0xB3, 0xCC, 0xD2, 0xAA, 0x42, /* 0x08-0x0B */ @@ -5410,7 +5410,7 @@ static unsigned char u2c_67[512] = { 0xCF, 0x57, 0x00, 0x00, 0x00, 0x00, 0xAC, 0x55, /* 0xFC-0xFF */ }; -static unsigned char u2c_68[512] = { +static const unsigned char u2c_68[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5478,7 +5478,7 @@ static unsigned char u2c_68[512] = { 0xD9, 0xC8, 0xD9, 0xC7, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_69[512] = { +static const unsigned char u2c_69[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD9, 0xAC, 0xB4, 0xC8, 0xD9, 0xD4, 0xD9, 0xBC, /* 0x04-0x07 */ 0xD9, 0xBE, 0x00, 0x00, 0xD9, 0xCB, 0xD9, 0xCA, /* 0x08-0x0B */ @@ -5546,7 +5546,7 @@ static unsigned char u2c_69[512] = { 0xE5, 0xE4, 0xBC, 0xD1, 0xE5, 0xD8, 0xE5, 0xD3, /* 0xFC-0xFF */ }; -static unsigned char u2c_6A[512] = { +static const unsigned char u2c_6A[512] = { 0xE5, 0xCA, 0xBC, 0xCE, 0xBC, 0xD6, 0x00, 0x00, /* 0x00-0x03 */ 0xE5, 0xE7, 0xBC, 0xD7, 0xE5, 0xCB, 0xE5, 0xED, /* 0x04-0x07 */ 0xE5, 0xE0, 0xE5, 0xE6, 0xBC, 0xD4, 0x00, 0x00, /* 0x08-0x0B */ @@ -5614,7 +5614,7 @@ static unsigned char u2c_6A[512] = { 0xF5, 0xCF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_6B[512] = { +static const unsigned char u2c_6B[512] = { 0xF5, 0xD2, 0x00, 0x00, 0xF5, 0xCE, 0xF5, 0xD0, /* 0x00-0x03 */ 0xC4, 0xE6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xF6, 0xE5, 0xF6, 0xE6, 0xC5, 0x76, 0xF6, 0xE4, /* 0x08-0x0B */ @@ -5682,7 +5682,7 @@ static unsigned char u2c_6B[512] = { 0xDD, 0xFE, 0xB7, 0xB7, 0xE2, 0x6B, 0xE5, 0xF7, /* 0xFC-0xFF */ }; -static unsigned char u2c_6C[512] = { +static const unsigned char u2c_6C[512] = { 0xE5, 0xF6, 0xE5, 0xF5, 0xE5, 0xF8, 0xE9, 0xE7, /* 0x00-0x03 */ 0xE9, 0xE6, 0xBE, 0xFB, 0xE9, 0xE8, 0x00, 0x00, /* 0x04-0x07 */ 0xC0, 0xD6, 0xED, 0x4D, 0x00, 0x00, 0xEF, 0xEA, /* 0x08-0x0B */ @@ -5749,7 +5749,7 @@ static unsigned char u2c_6C[512] = { 0x00, 0x00, 0xCD, 0x4C, 0x00, 0x00, 0x00, 0x00, /* 0xF8-0xFB */ }; -static unsigned char u2c_6D[512] = { +static const unsigned char u2c_6D[512] = { 0xCF, 0x7C, 0xCF, 0xA1, 0x00, 0x00, 0xCF, 0xA4, /* 0x00-0x03 */ 0xCF, 0x77, 0x00, 0x00, 0x00, 0x00, 0xCF, 0xA7, /* 0x04-0x07 */ 0xCF, 0xAA, 0xCF, 0xAC, 0xCF, 0x74, 0xAC, 0x76, /* 0x08-0x0B */ @@ -5817,7 +5817,7 @@ static unsigned char u2c_6D[512] = { 0xD9, 0xE7, 0xD6, 0x43, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_6E[512] = { +static const unsigned char u2c_6E[512] = { 0xD5, 0xEB, 0x00, 0x00, 0x00, 0x00, 0xD9, 0xFC, /* 0x00-0x03 */ 0x00, 0x00, 0xB2, 0x4D, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -5885,7 +5885,7 @@ static unsigned char u2c_6E[512] = { 0xE2, 0xB3, 0xE2, 0xAF, 0xBA, 0x75, 0xBA, 0xA1, /* 0xFC-0xFF */ }; -static unsigned char u2c_6F[512] = { +static const unsigned char u2c_6F[512] = { 0xE6, 0x53, 0xBA, 0xAE, 0xBA, 0x7D, 0xE2, 0x6F, /* 0x00-0x03 */ 0x00, 0x00, 0xE2, 0xAE, 0xBA, 0xA3, 0xE2, 0xAB, /* 0x04-0x07 */ 0xE2, 0xB8, 0xE2, 0x75, 0xE2, 0x7E, 0x00, 0x00, /* 0x08-0x0B */ @@ -5953,7 +5953,7 @@ static unsigned char u2c_6F[512] = { 0xEF, 0xF6, 0x00, 0x00, 0xC2, 0x6F, 0xEF, 0xF2, /* 0xFC-0xFF */ }; -static unsigned char u2c_70[512] = { +static const unsigned char u2c_70[512] = { 0xEF, 0xF3, 0xEF, 0xEE, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xE9, 0xF6, 0xEF, 0xEF, 0xC2, 0x70, 0xEF, 0xEB, /* 0x04-0x07 */ 0x00, 0x00, 0xC2, 0x6D, 0xEF, 0xF8, 0xC2, 0x6E, /* 0x08-0x0B */ @@ -6021,7 +6021,7 @@ static unsigned char u2c_70[512] = { 0xD6, 0x52, 0xB2, 0x6C, 0x00, 0x00, 0xD6, 0x53, /* 0xFC-0xFF */ }; -static unsigned char u2c_71[512] = { +static const unsigned char u2c_71[512] = { 0xD6, 0x56, 0x00, 0x00, 0xD6, 0x5A, 0x00, 0x00, /* 0x00-0x03 */ 0xD6, 0x4F, 0x00, 0x00, 0xD6, 0x54, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xB2, 0x6A, 0xB2, 0x6B, 0xD6, 0x59, /* 0x08-0x0B */ @@ -6089,7 +6089,7 @@ static unsigned char u2c_71[512] = { 0xC2, 0x75, 0xEF, 0xFD, 0xC2, 0x76, 0xEF, 0xFA, /* 0xFC-0xFF */ }; -static unsigned char u2c_72[512] = { +static const unsigned char u2c_72[512] = { 0x00, 0x00, 0xEF, 0xF9, 0xF2, 0x6C, 0xEF, 0xFC, /* 0x00-0x03 */ 0x00, 0x00, 0xF2, 0x6D, 0xC3, 0x7A, 0xF2, 0x6B, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xF2, 0x6A, 0x00, 0x00, /* 0x08-0x0B */ @@ -6157,7 +6157,7 @@ static unsigned char u2c_72[512] = { 0xAF, 0x54, 0xAF, 0x56, 0xD2, 0xA6, 0xD6, 0x67, /* 0xFC-0xFF */ }; -static unsigned char u2c_73[512] = { +static const unsigned char u2c_73[512] = { 0xD2, 0xA3, 0xD2, 0xAA, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD6, 0x62, /* 0x04-0x07 */ 0xD6, 0x66, 0x00, 0x00, 0xD6, 0x65, 0xDA, 0x6E, /* 0x08-0x0B */ @@ -6225,7 +6225,7 @@ static unsigned char u2c_73[512] = { 0xD6, 0x74, 0xD6, 0x70, 0xB2, 0x7B, 0xD6, 0x75, /* 0xFC-0xFF */ }; -static unsigned char u2c_74[512] = { +static const unsigned char u2c_74[512] = { 0xD6, 0x72, 0xD6, 0x6F, 0x00, 0x00, 0xB2, 0x79, /* 0x00-0x03 */ 0xD6, 0x6E, 0xB2, 0x77, 0xB2, 0x7A, 0xD6, 0x71, /* 0x04-0x07 */ 0xD6, 0x79, 0xAF, 0x5B, 0xB2, 0x78, 0xD6, 0x77, /* 0x08-0x0B */ @@ -6293,7 +6293,7 @@ static unsigned char u2c_74[512] = { 0x00, 0x00, 0xDE, 0xC2, 0xDE, 0xC1, 0xDE, 0xC0, /* 0xFC-0xFF */ }; -static unsigned char u2c_75[512] = { +static const unsigned char u2c_75[512] = { 0xE2, 0xD5, 0x00, 0x00, 0xE2, 0xD6, 0xE2, 0xD7, /* 0x00-0x03 */ 0xBA, 0xC2, 0x00, 0x00, 0x00, 0x00, 0xE6, 0xAD, /* 0x04-0x07 */ 0xE6, 0xAC, 0x00, 0x00, 0x00, 0x00, 0xEA, 0x69, /* 0x08-0x0B */ @@ -6361,7 +6361,7 @@ static unsigned char u2c_75[512] = { 0xDE, 0xCC, 0xDE, 0xD4, 0xDE, 0xCB, 0xB7, 0xF5, /* 0xFC-0xFF */ }; -static unsigned char u2c_76[512] = { +static const unsigned char u2c_76[512] = { 0xB7, 0xEF, 0xB7, 0xF1, 0x00, 0x00, 0xDE, 0xC9, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xE2, 0xDB, 0xBA, 0xC7, 0xE2, 0xDF, 0xBA, 0xC6, /* 0x08-0x0B */ @@ -6429,7 +6429,7 @@ static unsigned char u2c_76[512] = { 0xAC, 0xDF, 0x00, 0x00, 0xAC, 0xDE, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_77[512] = { +static const unsigned char u2c_77[512] = { 0x00, 0x00, 0xAC, 0xD9, 0x00, 0x00, 0xCF, 0xE1, /* 0x00-0x03 */ 0xCF, 0xE2, 0xCF, 0xE3, 0x00, 0x00, 0xAC, 0xE0, /* 0x04-0x07 */ 0xCF, 0xE0, 0xAC, 0xDC, 0xCF, 0xE4, 0xAC, 0xDD, /* 0x08-0x0B */ @@ -6497,7 +6497,7 @@ static unsigned char u2c_77[512] = { 0xCD, 0x7B, 0xAA, 0xBF, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_78[512] = { +static const unsigned char u2c_78[512] = { 0x00, 0x00, 0x00, 0x00, 0xAC, 0xE2, 0xCF, 0xF2, /* 0x00-0x03 */ 0x00, 0x00, 0xCF, 0xED, 0xCF, 0xEA, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xCF, 0xF1, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6565,7 +6565,7 @@ static unsigned char u2c_78[512] = { 0xED, 0xA9, 0xED, 0xA6, 0xED, 0xAD, 0xF0, 0x56, /* 0xFC-0xFF */ }; -static unsigned char u2c_79[512] = { +static const unsigned char u2c_79[512] = { 0x00, 0x00, 0xC1, 0x47, 0xED, 0xA7, 0x00, 0x00, /* 0x00-0x03 */ 0xED, 0xAE, 0xED, 0xAB, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0xF0, 0x5A, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -6633,7 +6633,7 @@ static unsigned char u2c_79[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_7A[512] = { +static const unsigned char u2c_7A[512] = { 0xB5, 0x7D, 0x00, 0x00, 0xDA, 0xD6, 0xDA, 0xD8, /* 0x00-0x03 */ 0xDA, 0xDA, 0xB5, 0x7C, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xB5, 0x7A, 0x00, 0x00, 0xDA, 0xD7, 0xB5, 0x7B, /* 0x08-0x0B */ @@ -6701,7 +6701,7 @@ static unsigned char u2c_7A[512] = { 0x00, 0x00, 0xAC, 0xF2, 0x00, 0x00, 0xAC, 0xF1, /* 0xFC-0xFF */ }; -static unsigned char u2c_7B[512] = { +static const unsigned char u2c_7B[512] = { 0xD0, 0x42, 0xD0, 0x43, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xD3, 0x40, 0xD3, 0x42, 0xAF, 0xB9, 0x00, 0x00, /* 0x04-0x07 */ 0xD3, 0x44, 0xD3, 0x47, 0xD3, 0x45, 0x00, 0x00, /* 0x08-0x0B */ @@ -6769,7 +6769,7 @@ static unsigned char u2c_7B[512] = { 0x00, 0x00, 0xED, 0xC9, 0xC1, 0x4E, 0xED, 0xBE, /* 0xFC-0xFF */ }; -static unsigned char u2c_7C[512] = { +static const unsigned char u2c_7C[512] = { 0xED, 0xBD, 0xED, 0xC7, 0xED, 0xC4, 0xED, 0xC6, /* 0x00-0x03 */ 0x00, 0x00, 0xED, 0xBA, 0xED, 0xCA, 0xC1, 0x4C, /* 0x04-0x07 */ 0x00, 0x00, 0xED, 0xC5, 0xED, 0xCE, 0xED, 0xC2, /* 0x08-0x0B */ @@ -6837,7 +6837,7 @@ static unsigned char u2c_7C[512] = { 0x00, 0x00, 0xCD, 0xA9, 0xAA, 0xC8, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_7D[512] = { +static const unsigned char u2c_7D[512] = { 0xAC, 0xF6, 0xD0, 0x4C, 0xAC, 0xF4, 0xD0, 0x4A, /* 0x00-0x03 */ 0xAC, 0xF9, 0xAC, 0xF5, 0xAC, 0xFA, 0xAC, 0xF8, /* 0x04-0x07 */ 0xD0, 0x4B, 0xAC, 0xF7, 0xAF, 0xBF, 0xAF, 0xBE, /* 0x08-0x0B */ @@ -6904,7 +6904,7 @@ static unsigned char u2c_7D[512] = { 0x00, 0x00, 0xBD, 0x7B, 0xE6, 0xEA, 0xBD, 0x6F, /* 0xF8-0xFB */ }; -static unsigned char u2c_7E[512] = { +static const unsigned char u2c_7E[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE6, 0xE9, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0xBF, 0xA2, 0xBF, 0xA7, 0xBF, 0x7E, 0xEA, 0xD8, /* 0x08-0x0B */ @@ -6948,7 +6948,7 @@ static unsigned char u2c_7E[512] = { 0xC6, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x9C-0x9F */ }; -static unsigned char u2c_7F[512] = { +static const unsigned char u2c_7F[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7016,7 +7016,7 @@ static unsigned char u2c_7F[512] = { 0xC1, 0x6C, 0xF2, 0xBE, 0xF2, 0xBF, 0xF4, 0xB1, /* 0xFC-0xFF */ }; -static unsigned char u2c_80[512] = { +static const unsigned char u2c_80[512] = { 0xC4, 0xA3, 0xA6, 0xD1, 0x00, 0x00, 0xA6, 0xD2, /* 0x00-0x03 */ 0xAC, 0xFE, 0xAA, 0xCC, 0xAF, 0xCF, 0xD0, 0x51, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xB5, 0xC0, /* 0x08-0x0B */ @@ -7084,7 +7084,7 @@ static unsigned char u2c_80[512] = { 0xAF, 0xE2, 0xAF, 0xE0, 0xDB, 0x48, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_81[512] = { +static const unsigned char u2c_81[512] = { 0xD3, 0x6F, 0xD3, 0x6D, 0xAF, 0xD7, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xAF, 0xD9, 0xAF, 0xDC, 0x00, 0x00, /* 0x04-0x07 */ 0xAF, 0xDF, 0x00, 0x00, 0xAF, 0xE1, 0x00, 0x00, /* 0x08-0x0B */ @@ -7152,7 +7152,7 @@ static unsigned char u2c_81[512] = { 0xA6, 0xDD, 0x00, 0x00, 0xAA, 0xD8, 0xD0, 0x68, /* 0xFC-0xFF */ }; -static unsigned char u2c_82[512] = { +static const unsigned char u2c_82[512] = { 0xAF, 0xE6, 0xD3, 0x70, 0xB2, 0xEA, 0x00, 0x00, /* 0x00-0x03 */ 0xDB, 0x57, 0xB8, 0xA4, 0x00, 0x00, 0xBB, 0x50, /* 0x04-0x07 */ 0xBF, 0xB3, 0xC1, 0x7C, 0xC2, 0xC2, 0xF4, 0xB5, /* 0x08-0x0B */ @@ -7220,7 +7220,7 @@ static unsigned char u2c_82[512] = { 0x00, 0x00, 0x00, 0x00, 0xD0, 0x6C, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_83[512] = { +static const unsigned char u2c_83[512] = { 0xD0, 0x70, 0xAD, 0x5F, 0xAD, 0x5A, 0xAD, 0x53, /* 0x00-0x03 */ 0xAD, 0x58, 0xAD, 0x54, 0xAD, 0x67, 0xD0, 0x6E, /* 0x04-0x07 */ 0xD3, 0xA5, 0xAD, 0x5B, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7288,7 +7288,7 @@ static unsigned char u2c_83[512] = { 0xDB, 0x65, 0xB5, 0xE0, 0xDB, 0xB0, 0xDB, 0x71, /* 0xFC-0xFF */ }; -static unsigned char u2c_84[512] = { +static const unsigned char u2c_84[512] = { 0x00, 0x00, 0xDB, 0x6D, 0x00, 0x00, 0xB5, 0xD1, /* 0x00-0x03 */ 0xB5, 0xE5, 0x00, 0x00, 0xDB, 0x7C, 0xB5, 0xE7, /* 0x04-0x07 */ 0x00, 0x00, 0xDB, 0x78, 0xB5, 0xDC, 0xB5, 0xD6, /* 0x08-0x0B */ @@ -7356,7 +7356,7 @@ static unsigned char u2c_84[512] = { 0xE7, 0x64, 0xE7, 0x6E, 0xE7, 0x69, 0xBD, 0xB6, /* 0xFC-0xFF */ }; -static unsigned char u2c_85[512] = { +static const unsigned char u2c_85[512] = { 0xE7, 0x4F, 0x00, 0x00, 0xE7, 0x6D, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xBD, 0xB7, 0xDF, 0xBD, /* 0x04-0x07 */ 0xE7, 0x5B, 0xE7, 0x52, 0xE7, 0x55, 0xE7, 0x7B, /* 0x08-0x0B */ @@ -7424,7 +7424,7 @@ static unsigned char u2c_85[512] = { 0x00, 0x00, 0xF4, 0xC3, 0xF4, 0xBB, 0xF4, 0xB9, /* 0xFC-0xFF */ }; -static unsigned char u2c_86[512] = { +static const unsigned char u2c_86[512] = { 0xF4, 0xBD, 0xF4, 0xBA, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0xF4, 0xBF, 0xF4, 0xC1, 0xC4, 0xAA, 0xC4, 0xAC, /* 0x04-0x07 */ 0x00, 0x00, 0xF4, 0xC0, 0xC4, 0xAD, 0xC4, 0xAB, /* 0x08-0x0B */ @@ -7492,7 +7492,7 @@ static unsigned char u2c_86[512] = { 0x00, 0x00, 0x00, 0x00, 0xB8, 0xBF, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_87[512] = { +static const unsigned char u2c_87[512] = { 0xB8, 0xBE, 0xDF, 0xED, 0xB8, 0xC1, 0xB8, 0xC2, /* 0x00-0x03 */ 0xDF, 0xE3, 0xDF, 0xF0, 0xB8, 0xC3, 0xB8, 0xBD, /* 0x04-0x07 */ 0xB8, 0xBC, 0xDF, 0xEC, 0xB8, 0xC4, 0xDF, 0xE2, /* 0x08-0x0B */ @@ -7560,7 +7560,7 @@ static unsigned char u2c_87[512] = { 0xF2, 0xE4, 0x00, 0x00, 0xC3, 0xCA, 0xF2, 0xE6, /* 0xFC-0xFF */ }; -static unsigned char u2c_88[512] = { +static const unsigned char u2c_88[512] = { 0xF2, 0xDB, 0xF0, 0xCE, 0xF2, 0xE8, 0xF2, 0xDD, /* 0x00-0x03 */ 0x00, 0x00, 0xC3, 0xC7, 0xF2, 0xE3, 0x00, 0x00, /* 0x04-0x07 */ 0xF2, 0xE5, 0xF2, 0xE0, 0xF2, 0xE7, 0xF2, 0xE2, /* 0x08-0x0B */ @@ -7628,7 +7628,7 @@ static unsigned char u2c_88[512] = { 0xE3, 0xFC, 0xBB, 0x73, 0xE3, 0xFA, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_89[512] = { +static const unsigned char u2c_89[512] = { 0x00, 0x00, 0xDB, 0xCE, 0xBB, 0x6F, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xE7, 0xC2, 0xE7, 0xC9, 0xBD, 0xC6, /* 0x04-0x07 */ 0x00, 0x00, 0xE7, 0xCD, 0xBD, 0xCA, 0xE7, 0xC5, /* 0x08-0x0B */ @@ -7696,7 +7696,7 @@ static unsigned char u2c_89[512] = { 0xC5, 0xA9, 0x00, 0x00, 0xF7, 0xFE, 0xF9, 0x4C, /* 0xFC-0xFF */ }; -static unsigned char u2c_8A[512] = { +static const unsigned char u2c_8A[512] = { 0xA8, 0xA5, 0x00, 0x00, 0xAD, 0x71, 0xAD, 0x72, /* 0x00-0x03 */ 0xD0, 0xB0, 0x00, 0x00, 0x00, 0x00, 0xD0, 0xB1, /* 0x04-0x07 */ 0xAD, 0x70, 0x00, 0x00, 0xB0, 0x54, 0x00, 0x00, /* 0x08-0x0B */ @@ -7764,7 +7764,7 @@ static unsigned char u2c_8A[512] = { 0xBF, 0xDC, 0x00, 0x00, 0xBF, 0xD5, 0xEB, 0xAE, /* 0xFC-0xFF */ }; -static unsigned char u2c_8B[512] = { +static const unsigned char u2c_8B[512] = { 0xBF, 0xD1, 0xBF, 0xD6, 0xBF, 0xD7, 0x00, 0x00, /* 0x00-0x03 */ 0xC1, 0xC3, 0xEE, 0xA4, 0xEE, 0xAD, 0xEE, 0xAA, /* 0x04-0x07 */ 0xEE, 0xAC, 0x00, 0x00, 0xC1, 0xC0, 0xEE, 0xA5, /* 0x08-0x0B */ @@ -7808,7 +7808,7 @@ static unsigned char u2c_8B[512] = { 0xC6, 0x6D, 0x00, 0x00, 0xF9, 0xA9, 0xF9, 0xC8, /* 0x9C-0x9F */ }; -static unsigned char u2c_8C[512] = { +static const unsigned char u2c_8C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -7876,7 +7876,7 @@ static unsigned char u2c_8C[512] = { 0xC1, 0xCA, 0xC1, 0xC9, 0xF0, 0xF3, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_8D[512] = { +static const unsigned char u2c_8D[512] = { 0xF0, 0xF6, 0x00, 0x00, 0xF0, 0xF5, 0x00, 0x00, /* 0x00-0x03 */ 0xF0, 0xF4, 0xC2, 0xD8, 0xF3, 0x48, 0xF3, 0x49, /* 0x04-0x07 */ 0xC3, 0xD8, 0xF3, 0x4A, 0xC3, 0xD9, 0x00, 0x00, /* 0x08-0x0B */ @@ -7944,7 +7944,7 @@ static unsigned char u2c_8D[512] = { 0xBB, 0xB1, 0xE4, 0x5B, 0xE4, 0x61, 0xE4, 0x59, /* 0xFC-0xFF */ }; -static unsigned char u2c_8E[512] = { +static const unsigned char u2c_8E[512] = { 0xE4, 0x62, 0x00, 0x00, 0xE4, 0x58, 0xE4, 0x5D, /* 0x00-0x03 */ 0xE4, 0x63, 0xE4, 0x60, 0xE4, 0x5F, 0xE4, 0x5E, /* 0x04-0x07 */ 0x00, 0x00, 0xE4, 0x57, 0xE4, 0x5C, 0x00, 0x00, /* 0x08-0x0B */ @@ -8012,7 +8012,7 @@ static unsigned char u2c_8E[512] = { 0xB6, 0x63, 0x00, 0x00, 0xB8, 0xFD, 0xE0, 0x75, /* 0xFC-0xFF */ }; -static unsigned char u2c_8F[512] = { +static const unsigned char u2c_8F[512] = { 0xE0, 0x77, 0xE0, 0x76, 0xE0, 0x7B, 0xB8, 0xFB, /* 0x00-0x03 */ 0x00, 0x00, 0xE0, 0x78, 0xE0, 0x74, 0xE0, 0x79, /* 0x04-0x07 */ 0xE0, 0x7A, 0xB8, 0xFC, 0xB8, 0xFE, 0xE0, 0x7C, /* 0x08-0x0B */ @@ -8080,7 +8080,7 @@ static unsigned char u2c_8F[512] = { 0xD3, 0xF0, 0xB0, 0x6C, 0xD3, 0xEA, 0xD3, 0xED, /* 0xFC-0xFF */ }; -static unsigned char u2c_90[512] = { +static const unsigned char u2c_90[512] = { 0xB0, 0x68, 0xB0, 0x65, 0xD3, 0xEC, 0xB0, 0x6B, /* 0x00-0x03 */ 0xD3, 0xEF, 0xB0, 0x6D, 0xB0, 0x66, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD7, 0xE3, /* 0x08-0x0B */ @@ -8148,7 +8148,7 @@ static unsigned char u2c_90[512] = { 0xDC, 0x54, 0xB3, 0xA3, 0xB6, 0x6E, 0xDC, 0x53, /* 0xFC-0xFF */ }; -static unsigned char u2c_91[512] = { +static const unsigned char u2c_91[512] = { 0xDC, 0x59, 0xDC, 0x58, 0xB6, 0x6B, 0xDC, 0x5C, /* 0x00-0x03 */ 0xDC, 0x52, 0xDC, 0x5B, 0xDC, 0x50, 0xDC, 0x5A, /* 0x04-0x07 */ 0xDC, 0x55, 0xB6, 0x6D, 0x00, 0x00, 0xE0, 0xAA, /* 0x08-0x0B */ @@ -8216,7 +8216,7 @@ static unsigned char u2c_91[512] = { 0x00, 0x00, 0xDC, 0x6D, 0x00, 0x00, 0xDC, 0x6C, /* 0xFC-0xFF */ }; -static unsigned char u2c_92[512] = { +static const unsigned char u2c_92[512] = { 0xDC, 0x6A, 0xDC, 0x62, 0xDC, 0x71, 0xDC, 0x65, /* 0x00-0x03 */ 0xDC, 0x6F, 0xDC, 0x76, 0xDC, 0x6E, 0xB6, 0x79, /* 0x04-0x07 */ 0x00, 0x00, 0xB6, 0x75, 0xDC, 0x63, 0x00, 0x00, /* 0x08-0x0B */ @@ -8284,7 +8284,7 @@ static unsigned char u2c_92[512] = { 0xBF, 0xFB, 0x00, 0x00, 0xEC, 0x41, 0xEB, 0xF8, /* 0xFC-0xFF */ }; -static unsigned char u2c_93[512] = { +static const unsigned char u2c_93[512] = { 0xEC, 0x43, 0xEB, 0xE9, 0xEB, 0xF6, 0x00, 0x00, /* 0x00-0x03 */ 0xBF, 0xFD, 0x00, 0x00, 0xEB, 0xE1, 0x00, 0x00, /* 0x04-0x07 */ 0xEB, 0xDF, 0xEC, 0x42, 0x00, 0x00, 0xEC, 0x40, /* 0x08-0x0B */ @@ -8352,7 +8352,7 @@ static unsigned char u2c_93[512] = { 0xF5, 0x40, 0xC4, 0xC3, 0xF4, 0xED, 0xF4, 0xFE, /* 0xFC-0xFF */ }; -static unsigned char u2c_94[512] = { +static const unsigned char u2c_94[512] = { 0xF4, 0xF4, 0x00, 0x00, 0x00, 0x00, 0xC4, 0xC2, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xF5, 0x44, 0xF4, 0xF6, /* 0x04-0x07 */ 0x00, 0x00, 0xF4, 0xFB, 0xF4, 0xFD, 0xF4, 0xE7, /* 0x08-0x0B */ @@ -8389,7 +8389,7 @@ static unsigned char u2c_94[512] = { 0xF9, 0xC0, 0xF9, 0xC1, 0xF9, 0xBF, 0xF9, 0xC9, /* 0x80-0x83 */ }; -static unsigned char u2c_95[512] = { +static const unsigned char u2c_95[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8451,7 +8451,7 @@ static unsigned char u2c_95[512] = { 0xF6, 0x6C, 0xF6, 0x6B, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char u2c_96[512] = { +static const unsigned char u2c_96[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8519,7 +8519,7 @@ static unsigned char u2c_96[512] = { 0x00, 0x00, 0xE0, 0xD7, 0x00, 0x00, 0xE4, 0xBD, /* 0xFC-0xFF */ }; -static unsigned char u2c_97[512] = { +static const unsigned char u2c_97[512] = { 0xBB, 0xDD, 0x00, 0x00, 0xE8, 0xAF, 0x00, 0x00, /* 0x00-0x03 */ 0xBE, 0x5D, 0xE8, 0xAD, 0xBE, 0x5E, 0xBE, 0x5F, /* 0x04-0x07 */ 0xE8, 0xAE, 0xBE, 0x60, 0x00, 0x00, 0xEC, 0x51, /* 0x08-0x0B */ @@ -8587,7 +8587,7 @@ static unsigned char u2c_97[512] = { 0x00, 0x00, 0xF5, 0x4C, 0xF5, 0x4D, 0xC5, 0x54, /* 0xFC-0xFF */ }; -static unsigned char u2c_98[512] = { +static const unsigned char u2c_98[512] = { 0xF8, 0x51, 0xAD, 0xB6, 0xB3, 0xBB, 0xB3, 0xBC, /* 0x00-0x03 */ 0xD8, 0x4E, 0xB6, 0xB5, 0xB6, 0xB6, 0xDC, 0xAC, /* 0x04-0x07 */ 0xB6, 0xB7, 0x00, 0x00, 0xB9, 0x7A, 0x00, 0x00, /* 0x08-0x0B */ @@ -8655,7 +8655,7 @@ static unsigned char u2c_98[512] = { 0xB9, 0x7D, 0xB9, 0xA1, 0xB9, 0xA2, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_99[512] = { +static const unsigned char u2c_99[512] = { 0xE4, 0xCF, 0x00, 0x00, 0xE4, 0xCE, 0xBB, 0xE5, /* 0x00-0x03 */ 0x00, 0x00, 0xBB, 0xE6, 0x00, 0x00, 0xE4, 0xD0, /* 0x04-0x07 */ 0xE8, 0xBF, 0xBB, 0xE8, 0xBE, 0x69, 0x00, 0x00, /* 0x08-0x0B */ @@ -8723,7 +8723,7 @@ static unsigned char u2c_99[512] = { 0xEF, 0x62, 0xEF, 0x60, 0xEF, 0x61, 0xC2, 0x40, /* 0xFC-0xFF */ }; -static unsigned char u2c_9A[512] = { +static const unsigned char u2c_9A[512] = { 0x00, 0x00, 0xC1, 0xFE, 0xEF, 0x58, 0xEF, 0x63, /* 0x00-0x03 */ 0xF1, 0xB3, 0xF1, 0xB6, 0xF1, 0xB8, 0xF1, 0xB7, /* 0x04-0x07 */ 0x00, 0x00, 0xF1, 0xB1, 0xF1, 0xB5, 0xF1, 0xB0, /* 0x08-0x0B */ @@ -8791,7 +8791,7 @@ static unsigned char u2c_9A[512] = { 0xEF, 0x68, 0xEF, 0x66, 0xEF, 0x65, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_9B[512] = { +static const unsigned char u2c_9B[512] = { 0x00, 0x00, 0xEF, 0x67, 0x00, 0x00, 0xC3, 0x4F, /* 0x00-0x03 */ 0xF1, 0xBC, 0xF1, 0xBD, 0xC3, 0x50, 0x00, 0x00, /* 0x04-0x07 */ 0xF1, 0xBB, 0x00, 0x00, 0xF3, 0xC3, 0xF3, 0xC2, /* 0x08-0x0B */ @@ -8859,7 +8859,7 @@ static unsigned char u2c_9B[512] = { 0x00, 0x00, 0xC3, 0x56, 0x00, 0x00, 0x00, 0x00, /* 0xFC-0xFF */ }; -static unsigned char u2c_9C[512] = { +static const unsigned char u2c_9C[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0xF5, 0x6D, 0xF5, 0x73, 0xF5, 0x71, /* 0x04-0x07 */ 0xF5, 0x6B, 0xF5, 0x76, 0x00, 0x00, 0xF5, 0x6A, /* 0x08-0x0B */ @@ -8927,7 +8927,7 @@ static unsigned char u2c_9C[512] = { 0xE8, 0xE4, 0xE8, 0xE6, 0x00, 0x00, 0xE8, 0xE7, /* 0xFC-0xFF */ }; -static unsigned char u2c_9D[512] = { +static const unsigned char u2c_9D[512] = { 0xE8, 0xEA, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xA1, /* 0x00-0x03 */ 0xE8, 0xEF, 0xE8, 0xEE, 0xBE, 0x7D, 0xE8, 0xE9, /* 0x04-0x07 */ 0xE8, 0xED, 0xBE, 0x7E, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -8995,7 +8995,7 @@ static unsigned char u2c_9D[512] = { 0x00, 0x00, 0xF8, 0xE6, 0xF8, 0xDD, 0xF8, 0xE5, /* 0xFC-0xFF */ }; -static unsigned char u2c_9E[512] = { +static const unsigned char u2c_9E[512] = { 0xF8, 0xE2, 0xF8, 0xE3, 0xF8, 0xDC, 0xF8, 0xDF, /* 0x00-0x03 */ 0xF8, 0xE7, 0xF8, 0xE1, 0xF8, 0xE0, 0xF8, 0xDE, /* 0x04-0x07 */ 0x00, 0x00, 0xF8, 0xE4, 0x00, 0x00, 0xF9, 0x5D, /* 0x08-0x0B */ @@ -9063,7 +9063,7 @@ static unsigned char u2c_9E[512] = { 0xF3, 0xF5, 0xE0, 0xEF, 0x00, 0x00, 0xEF, 0xB1, /* 0xFC-0xFF */ }; -static unsigned char u2c_9F[512] = { +static const unsigned char u2c_9F[512] = { 0xF1, 0xE2, 0xF1, 0xE1, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0xF8, 0x78, 0xC6, 0x52, /* 0x04-0x07 */ 0x00, 0x00, 0xF9, 0x65, 0xF9, 0x7E, 0x00, 0x00, /* 0x08-0x0B */ @@ -9109,11 +9109,11 @@ static unsigned char u2c_9F[512] = { 0xF9, 0xA1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xA4-0xA7 */ }; -static unsigned char u2c_DC[512] = { +static const unsigned char u2c_DC[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ }; -static unsigned char u2c_F9[512] = { +static const unsigned char u2c_F9[512] = { 0xB0, 0x5A, 0xA7, 0xF3, 0xA8, 0xAE, 0xB8, 0xEB, /* 0x00-0x03 */ 0xB7, 0xC6, 0xA6, 0xEA, 0xA5, 0x79, 0xC0, 0x74, /* 0x04-0x07 */ 0xC0, 0x74, 0xAB, 0xB4, 0xAA, 0xF7, 0xB3, 0xE2, /* 0x08-0x0B */ @@ -9181,7 +9181,7 @@ static unsigned char u2c_F9[512] = { 0xC3, 0xD1, 0xA4, 0xB0, 0xAF, 0xF9, 0xA8, 0xEB, /* 0xFC-0xFF */ }; -static unsigned char u2c_FA[512] = { +static const unsigned char u2c_FA[512] = { 0xA4, 0xC1, 0xAB, 0xD7, 0xA9, 0xDD, 0xBF, 0x7D, /* 0x00-0x03 */ 0xA6, 0x76, 0xAC, 0x7D, 0xBC, 0xC9, 0xBF, 0xE7, /* 0x04-0x07 */ 0xA6, 0xE6, 0xAD, 0xB0, 0xA8, 0xA3, 0xB9, 0xF8, /* 0x08-0x0B */ @@ -9196,7 +9196,7 @@ static unsigned char u2c_FA[512] = { 0xC0, 0x5D, 0xC5, 0x62, 0x00, 0x00, 0x00, 0x00, /* 0x2C-0x2F */ }; -static unsigned char u2c_FE[512] = { +static const unsigned char u2c_FE[512] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x03 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x04-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0B */ @@ -9226,7 +9226,7 @@ static unsigned char u2c_FE[512] = { 0xA2, 0x42, 0xA2, 0x4C, 0xA2, 0x4D, 0xA2, 0x4E, /* 0x68-0x6B */ }; -static unsigned char u2c_FF[512] = { +static const unsigned char u2c_FF[512] = { 0x00, 0x00, 0xA1, 0x49, 0xA1, 0xA8, 0xA1, 0xAD, /* 0x00-0x03 */ 0xA2, 0x43, 0xA2, 0x48, 0xA1, 0xAE, 0xA1, 0xA6, /* 0x04-0x07 */ 0xA1, 0x5D, 0xA1, 0x5E, 0xA1, 0xAF, 0xA1, 0xCF, /* 0x08-0x0B */ @@ -9288,7 +9288,7 @@ static unsigned char u2c_FF[512] = { 0x00, 0x00, 0xA2, 0x44, 0x00, 0x00, 0x00, 0x00, /* 0xE4-0xE7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { NULL, NULL, u2c_02, u2c_03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -9322,7 +9322,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, u2c_F9, u2c_FA, NULL, NULL, NULL, u2c_FE, u2c_FF, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -9358,7 +9358,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -9397,7 +9397,7 @@ static unsigned char charset2upper[256] = { static int uni2char(const wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni&0xFF; unsigned char ch = (uni>>8)&0xFF; int n; @@ -9429,7 +9429,7 @@ static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni) { unsigned char ch, cl; - wchar_t *charset2uni; + const wchar_t *charset2uni; int n; if (boundlen <= 0) diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c index 73293511578..7424929a278 100644 --- a/fs/nls/nls_euc-jp.c +++ b/fs/nls/nls_euc-jp.c @@ -57,7 +57,7 @@ static struct nls_table *p_nls; } while(0) /* SJIS IBM extended characters to EUC map */ -static unsigned char sjisibm2euc_map[][2] = { +static const unsigned char sjisibm2euc_map[][2] = { {0xF3, 0xF3}, {0xF3, 0xF4}, {0xF3, 0xF5}, {0xF3, 0xF6}, {0xF3, 0xF7}, {0xF3, 0xF8}, {0xF3, 0xF9}, {0xF3, 0xFA}, {0xF3, 0xFB}, {0xF3, 0xFC}, {0xF3, 0xFD}, {0xF3, 0xFE}, {0xF4, 0xA1}, {0xF4, 0xA2}, {0xF4, 0xA3}, @@ -243,7 +243,7 @@ static struct { }; /* EUC to SJIS IBM extended characters map (G3 Upper block) */ -static unsigned char euc2sjisibm_g3upper_map[][2] = { +static const unsigned char euc2sjisibm_g3upper_map[][2] = { {0xFA, 0x40}, {0xFA, 0x41}, {0xFA, 0x42}, {0xFA, 0x43}, {0xFA, 0x44}, {0xFA, 0x45}, {0xFA, 0x46}, {0xFA, 0x47}, {0xFA, 0x48}, {0xFA, 0x49}, {0xFA, 0x4A}, {0xFA, 0x4B}, {0xFA, 0x4C}, {0xFA, 0x4D}, {0xFA, 0x4E}, diff --git a/fs/nls/nls_iso8859-1.c b/fs/nls/nls_iso8859-1.c index 2483c3c6c1c..7b951bb5849 100644 --- a/fs/nls/nls_iso8859-1.c +++ b/fs/nls/nls_iso8859-1.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x00fe, 0x00ff, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,11 +132,11 @@ static unsigned char page00[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -172,7 +172,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -210,7 +210,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-13.c b/fs/nls/nls_iso8859-13.c index 7b8721d7436..c4d52ea9f09 100644 --- a/fs/nls/nls_iso8859-13.c +++ b/fs/nls/nls_iso8859-13.c @@ -11,7 +11,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -94,7 +94,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x017c, 0x017e, 0x2019, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -130,7 +130,7 @@ static unsigned char page00[256] = { 0xb8, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0xc2, 0xe2, 0x00, 0x00, 0xc0, 0xe0, 0xc3, 0xe3, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0xc7, 0xe7, 0x00, 0x00, 0xcb, 0xeb, /* 0x10-0x17 */ @@ -149,14 +149,14 @@ static unsigned char page01[256] = { 0x00, 0xca, 0xea, 0xdd, 0xfd, 0xde, 0xfe, 0x00, /* 0x78-0x7f */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 0x00, 0xff, 0x00, 0x00, 0xb4, 0xa1, 0xa5, 0x00, /* 0x18-0x1f */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -164,7 +164,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -200,7 +200,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -238,7 +238,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-14.c b/fs/nls/nls_iso8859-14.c index 2e895e638db..dc02600c7fe 100644 --- a/fs/nls/nls_iso8859-14.c +++ b/fs/nls/nls_iso8859-14.c @@ -18,7 +18,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -101,7 +101,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x0177, 0x00ff, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -137,7 +137,7 @@ static unsigned char page00[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0x00, 0xff, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0xa1, 0xa2, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0xa6, 0xab, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -173,7 +173,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page1e[256] = { +static const unsigned char page1e[256] = { 0x00, 0x00, 0xa1, 0xa2, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0xa6, 0xab, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -209,7 +209,7 @@ static unsigned char page1e[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -220,7 +220,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -256,7 +256,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -294,7 +294,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-15.c b/fs/nls/nls_iso8859-15.c index 5c91592779f..3c7dfc832ef 100644 --- a/fs/nls/nls_iso8859-15.c +++ b/fs/nls/nls_iso8859-15.c @@ -11,7 +11,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -94,7 +94,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x00fe, 0x00ff, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -130,7 +130,7 @@ static unsigned char page00[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -149,7 +149,7 @@ static unsigned char page01[256] = { 0xbe, 0x00, 0x00, 0x00, 0x00, 0xb4, 0xb8, 0x00, /* 0x78-0x7f */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -175,7 +175,7 @@ static unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0xa4, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -186,7 +186,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -222,7 +222,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -260,7 +260,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-2.c b/fs/nls/nls_iso8859-2.c index 892d38fe953..a2d2197e4c7 100644 --- a/fs/nls/nls_iso8859-2.c +++ b/fs/nls/nls_iso8859-2.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x00fd, 0x0163, 0x02d9, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0xfa, 0x00, 0xfc, 0xfd, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0xc3, 0xe3, 0xa1, 0xb1, 0xc6, 0xe6, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0xcf, 0xef, /* 0x08-0x0f */ 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -151,7 +151,7 @@ static unsigned char page01[256] = { 0x00, 0xac, 0xbc, 0xaf, 0xbf, 0xae, 0xbe, 0x00, /* 0x78-0x7f */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -183,11 +183,11 @@ static unsigned char page02[256] = { 0xa2, 0xff, 0x00, 0xb2, 0x00, 0xbd, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -223,7 +223,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -261,7 +261,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-3.c b/fs/nls/nls_iso8859-3.c index 49317bcdb4b..a61e0daa3a8 100644 --- a/fs/nls/nls_iso8859-3.c +++ b/fs/nls/nls_iso8859-3.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x016d, 0x015d, 0x02d9, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0x00, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0xc6, 0xe6, 0xc5, 0xe5, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -151,7 +151,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x00, 0xaf, 0xbf, 0x00, 0x00, 0x00, /* 0x78-0x7f */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -183,11 +183,11 @@ static unsigned char page02[256] = { 0xa2, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -223,7 +223,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -261,7 +261,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-4.c b/fs/nls/nls_iso8859-4.c index 9f3b9368c2c..e8ff555483b 100644 --- a/fs/nls/nls_iso8859-4.c +++ b/fs/nls/nls_iso8859-4.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x0169, 0x016b, 0x02d9, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0xf8, 0x00, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0xc0, 0xe0, 0x00, 0x00, 0xa1, 0xb1, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0x00, 0x00, /* 0x08-0x0f */ 0xd0, 0xf0, 0xaa, 0xba, 0x00, 0x00, 0xcc, 0xec, /* 0x10-0x17 */ @@ -151,7 +151,7 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0xbe, 0x00, /* 0x78-0x7f */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -183,11 +183,11 @@ static unsigned char page02[256] = { 0x00, 0xff, 0x00, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, page02, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -223,7 +223,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -261,7 +261,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-5.c b/fs/nls/nls_iso8859-5.c index 001a2bb132c..4721e893012 100644 --- a/fs/nls/nls_iso8859-5.c +++ b/fs/nls/nls_iso8859-5.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x045c, 0x00a7, 0x045e, 0x045f, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -122,7 +122,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0x00, 0xae, 0xaf, /* 0x08-0x0f */ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */ @@ -137,13 +137,13 @@ static unsigned char page04[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0xfe, 0xff, /* 0x58-0x5f */ }; -static unsigned char page21[256] = { +static const unsigned char page21[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, /* 0x10-0x17 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -151,7 +151,7 @@ static unsigned char *page_uni2charset[256] = { NULL, page21, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -187,7 +187,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -225,7 +225,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-6.c b/fs/nls/nls_iso8859-6.c index 8cec03d6608..01a517d6d30 100644 --- a/fs/nls/nls_iso8859-6.c +++ b/fs/nls/nls_iso8859-6.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x0000, 0x0000, 0x0000, 0x0000, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -122,7 +122,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */ }; -static unsigned char page06[256] = { +static const unsigned char page06[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0xac, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -139,11 +139,11 @@ static unsigned char page06[256] = { 0x38, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, NULL, NULL, page06, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -179,7 +179,7 @@ static unsigned char charset2lower[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -216,7 +216,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-7.c b/fs/nls/nls_iso8859-7.c index 1be707d5ac3..2d27b93ef19 100644 --- a/fs/nls/nls_iso8859-7.c +++ b/fs/nls/nls_iso8859-7.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x03cc, 0x03cd, 0x03ce, 0x0000, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -124,7 +124,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0xbb, 0x00, 0xbd, 0x00, 0x00, /* 0xb8-0xbf */ }; -static unsigned char page02[256] = { +static const unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -152,7 +152,7 @@ static unsigned char page02[256] = { 0x00, 0x00, 0x00, 0x00, 0xa2, 0xa1, 0x00, 0x00, /* 0xb8-0xbf */ }; -static unsigned char page03[256] = { +static const unsigned char page03[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -182,13 +182,13 @@ static unsigned char page03[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00, /* 0xc8-0xcf */ }; -static unsigned char page20[256] = { +static const unsigned char page20[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0xaf, 0x00, 0x00, /* 0x10-0x17 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, page02, page03, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -196,7 +196,7 @@ static unsigned char *page_uni2charset[256] = { page20, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -232,7 +232,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0x00, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -270,7 +270,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_iso8859-9.c b/fs/nls/nls_iso8859-9.c index 8c0146f7383..694bf070c72 100644 --- a/fs/nls/nls_iso8859-9.c +++ b/fs/nls/nls_iso8859-9.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x00fc, 0x0131, 0x015f, 0x00ff, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -132,7 +132,7 @@ static unsigned char page00[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0xf8-0xff */ }; -static unsigned char page01[256] = { +static const unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -147,11 +147,11 @@ static unsigned char page01[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, /* 0x58-0x5f */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, page01, NULL, NULL, NULL, NULL, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -187,7 +187,7 @@ static unsigned char charset2lower[256] = { 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -225,7 +225,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_koi8-r.c b/fs/nls/nls_koi8-r.c index fefbe080726..43875310540 100644 --- a/fs/nls/nls_koi8-r.c +++ b/fs/nls/nls_koi8-r.c @@ -13,7 +13,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -96,7 +96,7 @@ static wchar_t charset2uni[256] = { 0x042d, 0x0429, 0x0427, 0x042a, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -131,7 +131,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, /* 0xf0-0xf7 */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa, /* 0x10-0x17 */ @@ -145,7 +145,7 @@ static unsigned char page04[256] = { 0x00, 0xa3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -161,7 +161,7 @@ static unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x98, 0x99, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -169,7 +169,7 @@ static unsigned char page23[256] = { 0x93, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0x80, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x83, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -194,7 +194,7 @@ static unsigned char page25[256] = { 0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -202,7 +202,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -238,7 +238,7 @@ static unsigned char charset2lower[256] = { 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -276,7 +276,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/nls/nls_koi8-u.c b/fs/nls/nls_koi8-u.c index 015070211f2..8c9f0292b5a 100644 --- a/fs/nls/nls_koi8-u.c +++ b/fs/nls/nls_koi8-u.c @@ -11,7 +11,7 @@ #include <linux/nls.h> #include <linux/errno.h> -static wchar_t charset2uni[256] = { +static const wchar_t charset2uni[256] = { /* 0x00*/ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, @@ -94,7 +94,7 @@ static wchar_t charset2uni[256] = { 0x042d, 0x0429, 0x0427, 0x042a, }; -static unsigned char page00[256] = { +static const unsigned char page00[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -129,7 +129,7 @@ static unsigned char page00[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, /* 0xf0-0xf7 */ }; -static unsigned char page04[256] = { +static const unsigned char page04[256] = { 0x00, 0xb3, 0x00, 0x00, 0xb4, 0x00, 0xb6, 0xb7, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa, /* 0x10-0x17 */ @@ -152,7 +152,7 @@ static unsigned char page04[256] = { 0xbd, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ }; -static unsigned char page22[256] = { +static const unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -168,7 +168,7 @@ static unsigned char page22[256] = { 0x00, 0x00, 0x00, 0x00, 0x98, 0x99, 0x00, 0x00, /* 0x60-0x67 */ }; -static unsigned char page23[256] = { +static const unsigned char page23[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -176,7 +176,7 @@ static unsigned char page23[256] = { 0x93, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ }; -static unsigned char page25[256] = { +static const unsigned char page25[256] = { 0x80, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ 0x00, 0x00, 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 0x83, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, /* 0x10-0x17 */ @@ -201,7 +201,7 @@ static unsigned char page25[256] = { 0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ }; -static unsigned char *page_uni2charset[256] = { +static const unsigned char *const page_uni2charset[256] = { page00, NULL, NULL, NULL, page04, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -209,7 +209,7 @@ static unsigned char *page_uni2charset[256] = { NULL, NULL, page22, page23, NULL, page25, NULL, NULL, }; -static unsigned char charset2lower[256] = { +static const unsigned char charset2lower[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -245,7 +245,7 @@ static unsigned char charset2lower[256] = { 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0xf8-0xff */ }; -static unsigned char charset2upper[256] = { +static const unsigned char charset2upper[256] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00-0x07 */ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* 0x08-0x0f */ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10-0x17 */ @@ -283,7 +283,7 @@ static unsigned char charset2upper[256] = { static int uni2char(wchar_t uni, unsigned char *out, int boundlen) { - unsigned char *uni2charset; + const unsigned char *uni2charset; unsigned char cl = uni & 0x00ff; unsigned char ch = (uni & 0xff00) >> 8; diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index c814204d4ea..6cd08dfdc2e 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -61,7 +61,7 @@ static int ntfs_file_open(struct inode *vi, struct file *filp) { if (sizeof(unsigned long) < 8) { if (i_size_read(vi) > MAX_LFS_FILESIZE) - return -EFBIG; + return -EOVERFLOW; } return generic_file_open(vi, filp); } diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 90c4e3a2970..3e76f3b216b 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -2381,14 +2381,14 @@ static void ntfs_put_super(struct super_block *sb) */ ntfs_commit_inode(vol->mft_ino); write_inode_now(vol->mft_ino, 1); - if (!list_empty(&sb->s_dirty)) { + if (sb_has_dirty_inodes(sb)) { const char *s1, *s2; mutex_lock(&vol->mft_ino->i_mutex); truncate_inode_pages(vol->mft_ino->i_mapping, 0); mutex_unlock(&vol->mft_ino->i_mutex); write_inode_now(vol->mft_ino, 1); - if (!list_empty(&sb->s_dirty)) { + if (sb_has_dirty_inodes(sb)) { static const char *_s1 = "inodes"; static const char *_s2 = ""; s1 = _s1; @@ -3080,8 +3080,7 @@ struct kmem_cache *ntfs_inode_cache; struct kmem_cache *ntfs_big_inode_cache; /* Init once constructor for the inode slab cache. */ -static void ntfs_big_inode_init_once(void *foo, struct kmem_cache *cachep, - unsigned long flags) +static void ntfs_big_inode_init_once(struct kmem_cache *cachep, void *foo) { ntfs_inode *ni = (ntfs_inode *)foo; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 34d10452c56..c69c1b30015 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1724,9 +1724,9 @@ out: return ret; } -int ocfs2_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata) +static int ocfs2_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { int ret; struct buffer_head *di_bh = NULL; @@ -1877,9 +1877,9 @@ out_write_size: return copied; } -int ocfs2_write_end(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata) +static int ocfs2_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { int ret; struct inode *inode = mapping->host; @@ -1896,6 +1896,8 @@ int ocfs2_write_end(struct file *file, struct address_space *mapping, const struct address_space_operations ocfs2_aops = { .readpage = ocfs2_readpage, .writepage = ocfs2_writepage, + .write_begin = ocfs2_write_begin, + .write_end = ocfs2_write_end, .bmap = ocfs2_bmap, .sync_page = block_sync_page, .direct_IO = ocfs2_direct_IO, diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h index 113560877db..503e49232e1 100644 --- a/fs/ocfs2/aops.h +++ b/fs/ocfs2/aops.h @@ -44,14 +44,6 @@ int walk_page_buffers( handle_t *handle, int (*fn)( handle_t *handle, struct buffer_head *bh)); -int ocfs2_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata); - -int ocfs2_write_end(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata); - int ocfs2_write_end_nolock(struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 7453b70c1a1..6a2f143e269 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -586,7 +586,7 @@ bail: } static int ocfs2_dir_foreach_blk_id(struct inode *inode, - unsigned long *f_version, + u64 *f_version, loff_t *f_pos, void *priv, filldir_t filldir, int *filldir_err) { @@ -648,7 +648,7 @@ revalidate: * not the directory has been modified * during the copy operation. */ - unsigned long version = *f_version; + u64 version = *f_version; unsigned char d_type = DT_UNKNOWN; if (de->file_type < OCFS2_FT_MAX) @@ -677,7 +677,7 @@ out: } static int ocfs2_dir_foreach_blk_el(struct inode *inode, - unsigned long *f_version, + u64 *f_version, loff_t *f_pos, void *priv, filldir_t filldir, int *filldir_err) { @@ -798,7 +798,7 @@ out: return stored; } -static int ocfs2_dir_foreach_blk(struct inode *inode, unsigned long *f_version, +static int ocfs2_dir_foreach_blk(struct inode *inode, u64 *f_version, loff_t *f_pos, void *priv, filldir_t filldir, int *filldir_err) { @@ -818,7 +818,7 @@ int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv, filldir_t filldir) { int ret = 0, filldir_err = 0; - unsigned long version = inode->i_version; + u64 version = inode->i_version; while (*f_pos < i_size_read(inode)) { ret = ocfs2_dir_foreach_blk(inode, &version, f_pos, priv, diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index 7418dc83de1..6639baab079 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -255,9 +255,8 @@ static ssize_t dlmfs_file_write(struct file *filp, return writelen; } -static void dlmfs_init_once(void *foo, - struct kmem_cache *cachep, - unsigned long flags) +static void dlmfs_init_once(struct kmem_cache *cachep, + void *foo) { struct dlmfs_inode_private *ip = (struct dlmfs_inode_private *) foo; @@ -588,13 +587,17 @@ static int __init init_dlmfs_fs(void) dlmfs_print_version(); + status = bdi_init(&dlmfs_backing_dev_info); + if (status) + return status; + dlmfs_inode_cache = kmem_cache_create("dlmfs_inode_cache", sizeof(struct dlmfs_inode_private), 0, (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), dlmfs_init_once); if (!dlmfs_inode_cache) - return -ENOMEM; + goto bail; cleanup_inode = 1; user_dlm_worker = create_singlethread_workqueue("user_dlm"); @@ -611,6 +614,7 @@ bail: kmem_cache_destroy(dlmfs_inode_cache); if (cleanup_worker) destroy_workqueue(user_dlm_worker); + bdi_destroy(&dlmfs_backing_dev_info); } else printk("OCFS2 User DLM kernel interface loaded\n"); return status; @@ -624,6 +628,8 @@ static void __exit exit_dlmfs_fs(void) destroy_workqueue(user_dlm_worker); kmem_cache_destroy(dlmfs_inode_cache); + + bdi_destroy(&dlmfs_backing_dev_info); } MODULE_AUTHOR("Oracle"); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index a62b14eb406..f92fe91ff26 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1881,143 +1881,13 @@ out: return ret; } -static inline void -ocfs2_set_next_iovec(const struct iovec **iovp, size_t *basep, size_t bytes) -{ - const struct iovec *iov = *iovp; - size_t base = *basep; - - do { - int copy = min(bytes, iov->iov_len - base); - - bytes -= copy; - base += copy; - if (iov->iov_len == base) { - iov++; - base = 0; - } - } while (bytes); - *iovp = iov; - *basep = base; -} - -static struct page * ocfs2_get_write_source(char **ret_src_buf, - const struct iovec *cur_iov, - size_t iov_offset) -{ - int ret; - char *buf = cur_iov->iov_base + iov_offset; - struct page *src_page = NULL; - unsigned long off; - - off = (unsigned long)(buf) & ~PAGE_CACHE_MASK; - - if (!segment_eq(get_fs(), KERNEL_DS)) { - /* - * Pull in the user page. We want to do this outside - * of the meta data locks in order to preserve locking - * order in case of page fault. - */ - ret = get_user_pages(current, current->mm, - (unsigned long)buf & PAGE_CACHE_MASK, 1, - 0, 0, &src_page, NULL); - if (ret == 1) - *ret_src_buf = kmap(src_page) + off; - else - src_page = ERR_PTR(-EFAULT); - } else { - *ret_src_buf = buf; - } - - return src_page; -} - -static void ocfs2_put_write_source(struct page *page) -{ - if (page) { - kunmap(page); - page_cache_release(page); - } -} - -static ssize_t ocfs2_file_buffered_write(struct file *file, loff_t *ppos, - const struct iovec *iov, - unsigned long nr_segs, - size_t count, - ssize_t o_direct_written) -{ - int ret = 0; - ssize_t copied, total = 0; - size_t iov_offset = 0, bytes; - loff_t pos; - const struct iovec *cur_iov = iov; - struct page *user_page, *page; - char * uninitialized_var(buf); - char *dst; - void *fsdata; - - /* - * handle partial DIO write. Adjust cur_iov if needed. - */ - ocfs2_set_next_iovec(&cur_iov, &iov_offset, o_direct_written); - - do { - pos = *ppos; - - user_page = ocfs2_get_write_source(&buf, cur_iov, iov_offset); - if (IS_ERR(user_page)) { - ret = PTR_ERR(user_page); - goto out; - } - - /* Stay within our page boundaries */ - bytes = min((PAGE_CACHE_SIZE - ((unsigned long)pos & ~PAGE_CACHE_MASK)), - (PAGE_CACHE_SIZE - ((unsigned long)buf & ~PAGE_CACHE_MASK))); - /* Stay within the vector boundary */ - bytes = min_t(size_t, bytes, cur_iov->iov_len - iov_offset); - /* Stay within count */ - bytes = min(bytes, count); - - page = NULL; - ret = ocfs2_write_begin(file, file->f_mapping, pos, bytes, 0, - &page, &fsdata); - if (ret) { - mlog_errno(ret); - goto out; - } - - dst = kmap_atomic(page, KM_USER0); - memcpy(dst + (pos & (loff_t)(PAGE_CACHE_SIZE - 1)), buf, bytes); - kunmap_atomic(dst, KM_USER0); - flush_dcache_page(page); - ocfs2_put_write_source(user_page); - - copied = ocfs2_write_end(file, file->f_mapping, pos, bytes, - bytes, page, fsdata); - if (copied < 0) { - mlog_errno(copied); - ret = copied; - goto out; - } - - total += copied; - *ppos = pos + copied; - count -= copied; - - ocfs2_set_next_iovec(&cur_iov, &iov_offset, copied); - } while(count); - -out: - return total ? total : ret; -} - static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { int ret, direct_io, appending, rw_level, have_alloc_sem = 0; - int can_do_direct, sync = 0; + int can_do_direct; ssize_t written = 0; size_t ocount; /* original count */ size_t count; /* after file limit checks */ @@ -2033,12 +1903,6 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, if (iocb->ki_left == 0) return 0; - ret = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ); - if (ret) - return ret; - - count = ocount; - vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); appending = file->f_flags & O_APPEND ? 1 : 0; @@ -2082,33 +1946,23 @@ relock: rw_level = -1; direct_io = 0; - sync = 1; goto relock; } - if (!sync && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) - sync = 1; - - /* - * XXX: Is it ok to execute these checks a second time? - */ - ret = generic_write_checks(file, ppos, &count, S_ISBLK(inode->i_mode)); - if (ret) - goto out; - - /* - * Set pos so that sync_page_range_nolock() below understands - * where to start from. We might've moved it around via the - * calls above. The range we want to actually sync starts from - * *ppos here. - * - */ - pos = *ppos; - /* communicate with ocfs2_dio_end_io */ ocfs2_iocb_set_rw_locked(iocb, rw_level); if (direct_io) { + ret = generic_segment_checks(iov, &nr_segs, &ocount, + VERIFY_READ); + if (ret) + goto out_dio; + + ret = generic_write_checks(file, ppos, &count, + S_ISBLK(inode->i_mode)); + if (ret) + goto out_dio; + written = generic_file_direct_write(iocb, iov, &nr_segs, *ppos, ppos, count, ocount); if (written < 0) { @@ -2116,14 +1970,8 @@ relock: goto out_dio; } } else { - written = ocfs2_file_buffered_write(file, ppos, iov, nr_segs, - count, written); - if (written < 0) { - ret = written; - if (ret != -EFAULT || ret != -ENOSPC) - mlog_errno(ret); - goto out; - } + written = generic_file_aio_write_nolock(iocb, iov, nr_segs, + *ppos); } out_dio: @@ -2153,97 +2001,12 @@ out_sems: if (have_alloc_sem) up_read(&inode->i_alloc_sem); - if (written > 0 && sync) { - ssize_t err; - - err = sync_page_range_nolock(inode, file->f_mapping, pos, count); - if (err < 0) - written = err; - } - mutex_unlock(&inode->i_mutex); mlog_exit(ret); return written ? written : ret; } -static int ocfs2_splice_write_actor(struct pipe_inode_info *pipe, - struct pipe_buffer *buf, - struct splice_desc *sd) -{ - int ret, count; - ssize_t copied = 0; - struct file *file = sd->u.file; - unsigned int offset; - struct page *page = NULL; - void *fsdata; - char *src, *dst; - - ret = buf->ops->confirm(pipe, buf); - if (ret) - goto out; - - offset = sd->pos & ~PAGE_CACHE_MASK; - count = sd->len; - if (count + offset > PAGE_CACHE_SIZE) - count = PAGE_CACHE_SIZE - offset; - - ret = ocfs2_write_begin(file, file->f_mapping, sd->pos, count, 0, - &page, &fsdata); - if (ret) { - mlog_errno(ret); - goto out; - } - - src = buf->ops->map(pipe, buf, 1); - dst = kmap_atomic(page, KM_USER1); - memcpy(dst + offset, src + buf->offset, count); - kunmap_atomic(dst, KM_USER1); - buf->ops->unmap(pipe, buf, src); - - copied = ocfs2_write_end(file, file->f_mapping, sd->pos, count, count, - page, fsdata); - if (copied < 0) { - mlog_errno(copied); - ret = copied; - goto out; - } -out: - - return copied ? copied : ret; -} - -static ssize_t __ocfs2_file_splice_write(struct pipe_inode_info *pipe, - struct file *out, - loff_t *ppos, - size_t len, - unsigned int flags) -{ - int ret, err; - struct address_space *mapping = out->f_mapping; - struct inode *inode = mapping->host; - struct splice_desc sd = { - .total_len = len, - .flags = flags, - .pos = *ppos, - .u.file = out, - }; - - ret = __splice_from_pipe(pipe, &sd, ocfs2_splice_write_actor); - if (ret > 0) { - *ppos += ret; - - if (unlikely((out->f_flags & O_SYNC) || IS_SYNC(inode))) { - err = generic_osync_inode(inode, mapping, - OSYNC_METADATA|OSYNC_DATA); - if (err) - ret = err; - } - } - - return ret; -} - static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe, struct file *out, loff_t *ppos, @@ -2273,8 +2036,7 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe, goto out_unlock; } - /* ok, we're done with i_size and alloc work */ - ret = __ocfs2_file_splice_write(pipe, out, ppos, len, flags); + ret = generic_file_splice_write_nolock(pipe, out, ppos, len, flags); out_unlock: ocfs2_rw_unlock(inode, 1); diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 0e2a1b45bf9..be562ac3e89 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1000,9 +1000,7 @@ bail: return status; } -static void ocfs2_inode_init_once(void *data, - struct kmem_cache *cachep, - unsigned long flags) +static void ocfs2_inode_init_once(struct kmem_cache *cachep, void *data) { struct ocfs2_inode_info *oi = data; diff --git a/fs/open.c b/fs/open.c index 1d9e5e98bf4..75385144df7 100644 --- a/fs/open.c +++ b/fs/open.c @@ -658,7 +658,8 @@ static int chown_common(struct dentry * dentry, uid_t user, gid_t group) newattrs.ia_gid = group; } if (!S_ISDIR(inode->i_mode)) - newattrs.ia_valid |= ATTR_KILL_SUID|ATTR_KILL_SGID; + newattrs.ia_valid |= + ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV; mutex_lock(&inode->i_mutex); error = notify_change(dentry, &newattrs); mutex_unlock(&inode->i_mutex); @@ -757,6 +758,10 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt, f->f_op = fops_get(inode->i_fop); file_move(f, &inode->i_sb->s_files); + error = security_dentry_open(f); + if (error) + goto cleanup_all; + if (!open && f->f_op) open = f->f_op->open; if (open) { @@ -1173,7 +1178,7 @@ asmlinkage long sys_vhangup(void) int generic_file_open(struct inode * inode, struct file * filp) { if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) - return -EFBIG; + return -EOVERFLOW; return 0; } diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index dd86be2aa6c..d8817384008 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -415,7 +415,7 @@ static struct file_system_type openprom_fs_type = { .kill_sb = kill_anon_super, }; -static void op_inode_init_once(void *data, struct kmem_cache * cachep, unsigned long flags) +static void op_inode_init_once(struct kmem_cache * cachep, void *data) { struct op_inode_info *oi = (struct op_inode_info *) data; diff --git a/fs/proc/base.c b/fs/proc/base.c index e5d0953d4db..4fe74d15641 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -199,27 +199,6 @@ static int proc_root_link(struct inode *inode, struct dentry **dentry, struct vf (task->state == TASK_STOPPED || task->state == TASK_TRACED) && \ security_ptrace(current,task) == 0)) -static int proc_pid_environ(struct task_struct *task, char * buffer) -{ - int res = 0; - struct mm_struct *mm = get_task_mm(task); - if (mm) { - unsigned int len; - - res = -ESRCH; - if (!ptrace_may_attach(task)) - goto out; - - len = mm->env_end - mm->env_start; - if (len > PAGE_SIZE) - len = PAGE_SIZE; - res = access_process_vm(task, mm->env_start, buffer, len, 0); -out: - mmput(mm); - } - return res; -} - static int proc_pid_cmdline(struct task_struct *task, char * buffer) { int res = 0; @@ -492,7 +471,7 @@ static ssize_t proc_info_read(struct file * file, char __user * buf, count = PROC_BLOCK_SIZE; length = -ENOMEM; - if (!(page = __get_free_page(GFP_KERNEL))) + if (!(page = __get_free_page(GFP_TEMPORARY))) goto out; length = PROC_I(inode)->op.proc_read(task, (char*)page); @@ -532,7 +511,7 @@ static ssize_t mem_read(struct file * file, char __user * buf, goto out; ret = -ENOMEM; - page = (char *)__get_free_page(GFP_USER); + page = (char *)__get_free_page(GFP_TEMPORARY); if (!page) goto out; @@ -602,7 +581,7 @@ static ssize_t mem_write(struct file * file, const char __user *buf, goto out; copied = -ENOMEM; - page = (char *)__get_free_page(GFP_USER); + page = (char *)__get_free_page(GFP_TEMPORARY); if (!page) goto out; @@ -658,6 +637,76 @@ static const struct file_operations proc_mem_operations = { .open = mem_open, }; +static ssize_t environ_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + struct task_struct *task = get_proc_task(file->f_dentry->d_inode); + char *page; + unsigned long src = *ppos; + int ret = -ESRCH; + struct mm_struct *mm; + + if (!task) + goto out_no_task; + + if (!ptrace_may_attach(task)) + goto out; + + ret = -ENOMEM; + page = (char *)__get_free_page(GFP_TEMPORARY); + if (!page) + goto out; + + ret = 0; + + mm = get_task_mm(task); + if (!mm) + goto out_free; + + while (count > 0) { + int this_len, retval, max_len; + + this_len = mm->env_end - (mm->env_start + src); + + if (this_len <= 0) + break; + + max_len = (count > PAGE_SIZE) ? PAGE_SIZE : count; + this_len = (this_len > max_len) ? max_len : this_len; + + retval = access_process_vm(task, (mm->env_start + src), + page, this_len, 0); + + if (retval <= 0) { + ret = retval; + break; + } + + if (copy_to_user(buf, page, retval)) { + ret = -EFAULT; + break; + } + + ret += retval; + src += retval; + buf += retval; + count -= retval; + } + *ppos = src; + + mmput(mm); +out_free: + free_page((unsigned long) page); +out: + put_task_struct(task); +out_no_task: + return ret; +} + +static const struct file_operations proc_environ_operations = { + .read = environ_read, +}; + static ssize_t oom_adjust_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -788,7 +837,7 @@ static ssize_t proc_loginuid_write(struct file * file, const char __user * buf, /* No partial writes. */ return -EINVAL; } - page = (char*)__get_free_page(GFP_USER); + page = (char*)__get_free_page(GFP_TEMPORARY); if (!page) return -ENOMEM; length = -EFAULT; @@ -954,7 +1003,8 @@ static int do_proc_readlink(struct dentry *dentry, struct vfsmount *mnt, char __user *buffer, int buflen) { struct inode * inode; - char *tmp = (char*)__get_free_page(GFP_KERNEL), *path; + char *tmp = (char*)__get_free_page(GFP_TEMPORARY); + char *path; int len; if (!tmp) @@ -1726,7 +1776,7 @@ static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf, goto out; length = -ENOMEM; - page = (char*)__get_free_page(GFP_USER); + page = (char*)__get_free_page(GFP_TEMPORARY); if (!page) goto out; @@ -2048,7 +2098,7 @@ static const struct pid_entry tgid_base_stuff[] = { DIR("task", S_IRUGO|S_IXUGO, task), DIR("fd", S_IRUSR|S_IXUSR, fd), DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), - INF("environ", S_IRUSR, pid_environ), + REG("environ", S_IRUSR, environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), #ifdef CONFIG_SCHED_DEBUG @@ -2335,7 +2385,7 @@ out_no_task: static const struct pid_entry tid_base_stuff[] = { DIR("fd", S_IRUSR|S_IXUSR, fd), DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), - INF("environ", S_IRUSR, pid_environ), + REG("environ", S_IRUSR, environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), #ifdef CONFIG_SCHED_DEBUG @@ -2585,7 +2635,7 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi /* f_version caches the tgid value that the last readdir call couldn't * return. lseek aka telldir automagically resets f_version to 0. */ - tid = filp->f_version; + tid = (int)filp->f_version; filp->f_version = 0; for (task = first_tid(leader, tid, pos - 2); task; @@ -2594,7 +2644,7 @@ static int proc_task_readdir(struct file * filp, void * dirent, filldir_t filldi if (proc_task_fill_cache(filp, dirent, filldir, task, tid) < 0) { /* returning this tgid failed, save it as the first * pid for the next readir call */ - filp->f_version = tid; + filp->f_version = (u64)tid; put_task_struct(task); break; } diff --git a/fs/proc/generic.c b/fs/proc/generic.c index b5e7155d30d..1bdb6243575 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -74,7 +74,7 @@ proc_file_read(struct file *file, char __user *buf, size_t nbytes, nbytes = MAX_NON_LFS - pos; dp = PDE(inode); - if (!(page = (char*) __get_free_page(GFP_KERNEL))) + if (!(page = (char*) __get_free_page(GFP_TEMPORARY))) return -ENOMEM; while ((nbytes > 0) && !eof) { diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 0e4d37c93ee..99ca00485fc 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -107,7 +107,7 @@ static void proc_destroy_inode(struct inode *inode) kmem_cache_free(proc_inode_cachep, PROC_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct proc_inode *ei = (struct proc_inode *) foo; @@ -119,10 +119,8 @@ int __init proc_init_inodecache(void) proc_inode_cachep = kmem_cache_create("proc_inode_cache", sizeof(struct proc_inode), 0, (SLAB_RECLAIM_ACCOUNT| - SLAB_MEM_SPREAD), + SLAB_MEM_SPREAD|SLAB_PANIC), init_once); - if (proc_inode_cachep == NULL) - return -ENOMEM; return 0; } diff --git a/fs/proc/mmu.c b/fs/proc/mmu.c index 25d2d9c6e32..8ae221dfd01 100644 --- a/fs/proc/mmu.c +++ b/fs/proc/mmu.c @@ -8,27 +8,10 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/time.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/mman.h> -#include <linux/proc_fs.h> -#include <linux/mm.h> -#include <linux/mmzone.h> -#include <linux/pagemap.h> -#include <linux/swap.h> -#include <linux/slab.h> -#include <linux/smp.h> -#include <linux/seq_file.h> -#include <linux/hugetlb.h> +#include <linux/spinlock.h> #include <linux/vmalloc.h> -#include <asm/uaccess.h> +#include <linux/highmem.h> #include <asm/pgtable.h> -#include <asm/tlb.h> -#include <asm/div64.h> #include "internal.h" void get_vmalloc_info(struct vmalloc_info *vmi) diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 0071939c009..d6dc72c78bc 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -229,6 +229,19 @@ static const struct file_operations fragmentation_file_operations = { .release = seq_release, }; +extern struct seq_operations pagetypeinfo_op; +static int pagetypeinfo_open(struct inode *inode, struct file *file) +{ + return seq_open(file, &pagetypeinfo_op); +} + +static const struct file_operations pagetypeinfo_file_ops = { + .open = pagetypeinfo_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + extern struct seq_operations zoneinfo_op; static int zoneinfo_open(struct inode *inode, struct file *file) { @@ -513,11 +526,8 @@ static int show_stat(struct seq_file *p, void *v) } seq_printf(p, "intr %llu", (unsigned long long)sum); -#ifndef CONFIG_SMP - /* Touches too many cache lines on SMP setups */ for (i = 0; i < NR_IRQS; i++) seq_printf(p, " %u", per_irq_sum[i]); -#endif seq_printf(p, "\nctxt %llu\n" @@ -724,6 +734,7 @@ void __init proc_misc_init(void) #endif #endif create_seq_entry("buddyinfo",S_IRUGO, &fragmentation_file_operations); + create_seq_entry("pagetypeinfo", S_IRUGO, &pagetypeinfo_file_ops); create_seq_entry("vmstat",S_IRUGO, &proc_vmstat_file_operations); create_seq_entry("zoneinfo",S_IRUGO, &proc_zoneinfo_file_operations); #ifdef CONFIG_BLOCK diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 1bc8d873a9e..638bdb96321 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -433,16 +433,21 @@ static int qnx4_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page,qnx4_get_block, wbc); } + static int qnx4_readpage(struct file *file, struct page *page) { return block_read_full_page(page,qnx4_get_block); } -static int qnx4_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) + +static int qnx4_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - struct qnx4_inode_info *qnx4_inode = qnx4_i(page->mapping->host); - return cont_prepare_write(page, from, to, qnx4_get_block, - &qnx4_inode->mmu_private); + struct qnx4_inode_info *qnx4_inode = qnx4_i(mapping->host); + *pagep = NULL; + return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + qnx4_get_block, + &qnx4_inode->mmu_private); } static sector_t qnx4_bmap(struct address_space *mapping, sector_t block) { @@ -452,8 +457,8 @@ static const struct address_space_operations qnx4_aops = { .readpage = qnx4_readpage, .writepage = qnx4_writepage, .sync_page = block_sync_page, - .prepare_write = qnx4_prepare_write, - .commit_write = generic_commit_write, + .write_begin = qnx4_write_begin, + .write_end = generic_write_end, .bmap = qnx4_bmap }; @@ -531,8 +536,7 @@ static void qnx4_destroy_inode(struct inode *inode) kmem_cache_free(qnx4_inode_cachep, qnx4_i(inode)); } -static void init_once(void *foo, struct kmem_cache * cachep, - unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct qnx4_inode_info *ei = (struct qnx4_inode_info *) foo; diff --git a/fs/ramfs/Makefile b/fs/ramfs/Makefile index 5a0236e02ee..c71e65dcad2 100644 --- a/fs/ramfs/Makefile +++ b/fs/ramfs/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux ramfs routines. # -obj-$(CONFIG_RAMFS) += ramfs.o +obj-y += ramfs.o file-mmu-y := file-nommu.o file-mmu-$(CONFIG_MMU) := file-mmu.o diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c index 97bdc0b2f9d..b41a514b097 100644 --- a/fs/ramfs/file-mmu.c +++ b/fs/ramfs/file-mmu.c @@ -29,8 +29,8 @@ const struct address_space_operations ramfs_aops = { .readpage = simple_readpage, - .prepare_write = simple_prepare_write, - .commit_write = simple_commit_write, + .write_begin = simple_write_begin, + .write_end = simple_write_end, .set_page_dirty = __set_page_dirty_no_writeback, }; diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index 237fe8b8e81..0989bc2c2f6 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -29,8 +29,8 @@ static int ramfs_nommu_setattr(struct dentry *, struct iattr *); const struct address_space_operations ramfs_aops = { .readpage = simple_readpage, - .prepare_write = simple_prepare_write, - .commit_write = simple_commit_write, + .write_begin = simple_write_begin, + .write_end = simple_write_end, .set_page_dirty = __set_page_dirty_no_writeback, }; diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index ef2b46d099f..8428d5b2711 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -223,7 +223,17 @@ module_exit(exit_ramfs_fs) int __init init_rootfs(void) { - return register_filesystem(&rootfs_fs_type); + int err; + + err = bdi_init(&ramfs_backing_dev_info); + if (err) + return err; + + err = register_filesystem(&rootfs_fs_type); + if (err) + bdi_destroy(&ramfs_backing_dev_info); + + return err; } MODULE_LICENSE("GPL"); diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c index b286ccb0858..2a5dd34649b 100644 --- a/fs/reiserfs/bitmap.c +++ b/fs/reiserfs/bitmap.c @@ -1201,63 +1201,6 @@ int reiserfs_allocate_blocknrs(reiserfs_blocknr_hint_t * hint, b_blocknr_t * new return ret; } -/* These 2 functions are here to provide blocks reservation to the rest of kernel */ -/* Reserve @blocks amount of blocks in fs pointed by @sb. Caller must make sure - there are actually this much blocks on the FS available */ -void reiserfs_claim_blocks_to_be_allocated(struct super_block *sb, /* super block of - filesystem where - blocks should be - reserved */ - int blocks /* How much to reserve */ - ) -{ - - /* Fast case, if reservation is zero - exit immediately. */ - if (!blocks) - return; - - spin_lock(&REISERFS_SB(sb)->bitmap_lock); - REISERFS_SB(sb)->reserved_blocks += blocks; - spin_unlock(&REISERFS_SB(sb)->bitmap_lock); -} - -/* Unreserve @blocks amount of blocks in fs pointed by @sb */ -void reiserfs_release_claimed_blocks(struct super_block *sb, /* super block of - filesystem where - blocks should be - reserved */ - int blocks /* How much to unreserve */ - ) -{ - - /* Fast case, if unreservation is zero - exit immediately. */ - if (!blocks) - return; - - spin_lock(&REISERFS_SB(sb)->bitmap_lock); - REISERFS_SB(sb)->reserved_blocks -= blocks; - spin_unlock(&REISERFS_SB(sb)->bitmap_lock); - RFALSE(REISERFS_SB(sb)->reserved_blocks < 0, - "amount of blocks reserved became zero?"); -} - -/* This function estimates how much pages we will be able to write to FS - used for reiserfs_file_write() purposes for now. */ -int reiserfs_can_fit_pages(struct super_block *sb /* superblock of filesystem - to estimate space */ ) -{ - int space; - - spin_lock(&REISERFS_SB(sb)->bitmap_lock); - space = - (SB_FREE_BLOCKS(sb) - - REISERFS_SB(sb)->reserved_blocks) >> (PAGE_CACHE_SHIFT - - sb->s_blocksize_bits); - spin_unlock(&REISERFS_SB(sb)->bitmap_lock); - - return space > 0 ? space : 0; -} - void reiserfs_cache_bitmap_metadata(struct super_block *sb, struct buffer_head *bh, struct reiserfs_bitmap_info *info) diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index ffbfc2caaf2..e6b03d2020c 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -121,6 +121,16 @@ static int reiserfs_readdir(struct file *filp, void *dirent, filldir_t filldir) continue; d_reclen = entry_length(bh, ih, entry_num); d_name = B_I_DEH_ENTRY_FILE_NAME(bh, ih, deh); + + if (d_reclen <= 0 || + d_name + d_reclen > bh->b_data + bh->b_size) { + /* There is corrupted data in entry, + * We'd better stop here */ + pathrelse(&path_to_entry); + ret = -EIO; + goto out; + } + if (!d_name[d_reclen - 1]) d_reclen = strlen(d_name); diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 2070aeee2a5..a804903d31d 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -153,608 +153,6 @@ static int reiserfs_sync_file(struct file *p_s_filp, return (n_err < 0) ? -EIO : 0; } -/* I really do not want to play with memory shortage right now, so - to simplify the code, we are not going to write more than this much pages at - a time. This still should considerably improve performance compared to 4k - at a time case. This is 32 pages of 4k size. */ -#define REISERFS_WRITE_PAGES_AT_A_TIME (128 * 1024) / PAGE_CACHE_SIZE - -/* Allocates blocks for a file to fulfil write request. - Maps all unmapped but prepared pages from the list. - Updates metadata with newly allocated blocknumbers as needed */ -static int reiserfs_allocate_blocks_for_region(struct reiserfs_transaction_handle *th, struct inode *inode, /* Inode we work with */ - loff_t pos, /* Writing position */ - int num_pages, /* number of pages write going - to touch */ - int write_bytes, /* amount of bytes to write */ - struct page **prepared_pages, /* array of - prepared pages - */ - int blocks_to_allocate /* Amount of blocks we - need to allocate to - fit the data into file - */ - ) -{ - struct cpu_key key; // cpu key of item that we are going to deal with - struct item_head *ih; // pointer to item head that we are going to deal with - struct buffer_head *bh; // Buffer head that contains items that we are going to deal with - __le32 *item; // pointer to item we are going to deal with - INITIALIZE_PATH(path); // path to item, that we are going to deal with. - b_blocknr_t *allocated_blocks; // Pointer to a place where allocated blocknumbers would be stored. - reiserfs_blocknr_hint_t hint; // hint structure for block allocator. - size_t res; // return value of various functions that we call. - int curr_block; // current block used to keep track of unmapped blocks. - int i; // loop counter - int itempos; // position in item - unsigned int from = (pos & (PAGE_CACHE_SIZE - 1)); // writing position in - // first page - unsigned int to = ((pos + write_bytes - 1) & (PAGE_CACHE_SIZE - 1)) + 1; /* last modified byte offset in last page */ - __u64 hole_size; // amount of blocks for a file hole, if it needed to be created. - int modifying_this_item = 0; // Flag for items traversal code to keep track - // of the fact that we already prepared - // current block for journal - int will_prealloc = 0; - RFALSE(!blocks_to_allocate, - "green-9004: tried to allocate zero blocks?"); - - /* only preallocate if this is a small write */ - if (REISERFS_I(inode)->i_prealloc_count || - (!(write_bytes & (inode->i_sb->s_blocksize - 1)) && - blocks_to_allocate < - REISERFS_SB(inode->i_sb)->s_alloc_options.preallocsize)) - will_prealloc = - REISERFS_SB(inode->i_sb)->s_alloc_options.preallocsize; - - allocated_blocks = kmalloc((blocks_to_allocate + will_prealloc) * - sizeof(b_blocknr_t), GFP_NOFS); - if (!allocated_blocks) - return -ENOMEM; - - /* First we compose a key to point at the writing position, we want to do - that outside of any locking region. */ - make_cpu_key(&key, inode, pos + 1, TYPE_ANY, 3 /*key length */ ); - - /* If we came here, it means we absolutely need to open a transaction, - since we need to allocate some blocks */ - reiserfs_write_lock(inode->i_sb); // Journaling stuff and we need that. - res = journal_begin(th, inode->i_sb, JOURNAL_PER_BALANCE_CNT * 3 + 1 + 2 * REISERFS_QUOTA_TRANS_BLOCKS(inode->i_sb)); // Wish I know if this number enough - if (res) - goto error_exit; - reiserfs_update_inode_transaction(inode); - - /* Look for the in-tree position of our write, need path for block allocator */ - res = search_for_position_by_key(inode->i_sb, &key, &path); - if (res == IO_ERROR) { - res = -EIO; - goto error_exit; - } - - /* Allocate blocks */ - /* First fill in "hint" structure for block allocator */ - hint.th = th; // transaction handle. - hint.path = &path; // Path, so that block allocator can determine packing locality or whatever it needs to determine. - hint.inode = inode; // Inode is needed by block allocator too. - hint.search_start = 0; // We have no hint on where to search free blocks for block allocator. - hint.key = key.on_disk_key; // on disk key of file. - hint.block = inode->i_blocks >> (inode->i_sb->s_blocksize_bits - 9); // Number of disk blocks this file occupies already. - hint.formatted_node = 0; // We are allocating blocks for unformatted node. - hint.preallocate = will_prealloc; - - /* Call block allocator to allocate blocks */ - res = - reiserfs_allocate_blocknrs(&hint, allocated_blocks, - blocks_to_allocate, blocks_to_allocate); - if (res != CARRY_ON) { - if (res == NO_DISK_SPACE) { - /* We flush the transaction in case of no space. This way some - blocks might become free */ - SB_JOURNAL(inode->i_sb)->j_must_wait = 1; - res = restart_transaction(th, inode, &path); - if (res) - goto error_exit; - - /* We might have scheduled, so search again */ - res = - search_for_position_by_key(inode->i_sb, &key, - &path); - if (res == IO_ERROR) { - res = -EIO; - goto error_exit; - } - - /* update changed info for hint structure. */ - res = - reiserfs_allocate_blocknrs(&hint, allocated_blocks, - blocks_to_allocate, - blocks_to_allocate); - if (res != CARRY_ON) { - res = res == QUOTA_EXCEEDED ? -EDQUOT : -ENOSPC; - pathrelse(&path); - goto error_exit; - } - } else { - res = res == QUOTA_EXCEEDED ? -EDQUOT : -ENOSPC; - pathrelse(&path); - goto error_exit; - } - } -#ifdef __BIG_ENDIAN - // Too bad, I have not found any way to convert a given region from - // cpu format to little endian format - { - int i; - for (i = 0; i < blocks_to_allocate; i++) - allocated_blocks[i] = cpu_to_le32(allocated_blocks[i]); - } -#endif - - /* Blocks allocating well might have scheduled and tree might have changed, - let's search the tree again */ - /* find where in the tree our write should go */ - res = search_for_position_by_key(inode->i_sb, &key, &path); - if (res == IO_ERROR) { - res = -EIO; - goto error_exit_free_blocks; - } - - bh = get_last_bh(&path); // Get a bufferhead for last element in path. - ih = get_ih(&path); // Get a pointer to last item head in path. - item = get_item(&path); // Get a pointer to last item in path - - /* Let's see what we have found */ - if (res != POSITION_FOUND) { /* position not found, this means that we - might need to append file with holes - first */ - // Since we are writing past the file's end, we need to find out if - // there is a hole that needs to be inserted before our writing - // position, and how many blocks it is going to cover (we need to - // populate pointers to file blocks representing the hole with zeros) - - { - int item_offset = 1; - /* - * if ih is stat data, its offset is 0 and we don't want to - * add 1 to pos in the hole_size calculation - */ - if (is_statdata_le_ih(ih)) - item_offset = 0; - hole_size = (pos + item_offset - - (le_key_k_offset - (get_inode_item_key_version(inode), - &(ih->ih_key)) + op_bytes_number(ih, - inode-> - i_sb-> - s_blocksize))) - >> inode->i_sb->s_blocksize_bits; - } - - if (hole_size > 0) { - int to_paste = min_t(__u64, hole_size, MAX_ITEM_LEN(inode->i_sb->s_blocksize) / UNFM_P_SIZE); // How much data to insert first time. - /* area filled with zeroes, to supply as list of zero blocknumbers - We allocate it outside of loop just in case loop would spin for - several iterations. */ - char *zeros = kzalloc(to_paste * UNFM_P_SIZE, GFP_ATOMIC); // We cannot insert more than MAX_ITEM_LEN bytes anyway. - if (!zeros) { - res = -ENOMEM; - goto error_exit_free_blocks; - } - do { - to_paste = - min_t(__u64, hole_size, - MAX_ITEM_LEN(inode->i_sb-> - s_blocksize) / - UNFM_P_SIZE); - if (is_indirect_le_ih(ih)) { - /* Ok, there is existing indirect item already. Need to append it */ - /* Calculate position past inserted item */ - make_cpu_key(&key, inode, - le_key_k_offset - (get_inode_item_key_version - (inode), - &(ih->ih_key)) + - op_bytes_number(ih, - inode-> - i_sb-> - s_blocksize), - TYPE_INDIRECT, 3); - res = - reiserfs_paste_into_item(th, &path, - &key, - inode, - (char *) - zeros, - UNFM_P_SIZE - * - to_paste); - if (res) { - kfree(zeros); - goto error_exit_free_blocks; - } - } else if (is_statdata_le_ih(ih)) { - /* No existing item, create it */ - /* item head for new item */ - struct item_head ins_ih; - - /* create a key for our new item */ - make_cpu_key(&key, inode, 1, - TYPE_INDIRECT, 3); - - /* Create new item head for our new item */ - make_le_item_head(&ins_ih, &key, - key.version, 1, - TYPE_INDIRECT, - to_paste * - UNFM_P_SIZE, - 0 /* free space */ ); - - /* Find where such item should live in the tree */ - res = - search_item(inode->i_sb, &key, - &path); - if (res != ITEM_NOT_FOUND) { - /* item should not exist, otherwise we have error */ - if (res != -ENOSPC) { - reiserfs_warning(inode-> - i_sb, - "green-9008: search_by_key (%K) returned %d", - &key, - res); - } - res = -EIO; - kfree(zeros); - goto error_exit_free_blocks; - } - res = - reiserfs_insert_item(th, &path, - &key, &ins_ih, - inode, - (char *)zeros); - } else { - reiserfs_panic(inode->i_sb, - "green-9011: Unexpected key type %K\n", - &key); - } - if (res) { - kfree(zeros); - goto error_exit_free_blocks; - } - /* Now we want to check if transaction is too full, and if it is - we restart it. This will also free the path. */ - if (journal_transaction_should_end - (th, th->t_blocks_allocated)) { - inode->i_size = cpu_key_k_offset(&key) + - (to_paste << inode->i_blkbits); - res = - restart_transaction(th, inode, - &path); - if (res) { - pathrelse(&path); - kfree(zeros); - goto error_exit; - } - } - - /* Well, need to recalculate path and stuff */ - set_cpu_key_k_offset(&key, - cpu_key_k_offset(&key) + - (to_paste << inode-> - i_blkbits)); - res = - search_for_position_by_key(inode->i_sb, - &key, &path); - if (res == IO_ERROR) { - res = -EIO; - kfree(zeros); - goto error_exit_free_blocks; - } - bh = get_last_bh(&path); - ih = get_ih(&path); - item = get_item(&path); - hole_size -= to_paste; - } while (hole_size); - kfree(zeros); - } - } - // Go through existing indirect items first - // replace all zeroes with blocknumbers from list - // Note that if no corresponding item was found, by previous search, - // it means there are no existing in-tree representation for file area - // we are going to overwrite, so there is nothing to scan through for holes. - for (curr_block = 0, itempos = path.pos_in_item; - curr_block < blocks_to_allocate && res == POSITION_FOUND;) { - retry: - - if (itempos >= ih_item_len(ih) / UNFM_P_SIZE) { - /* We run out of data in this indirect item, let's look for another - one. */ - /* First if we are already modifying current item, log it */ - if (modifying_this_item) { - journal_mark_dirty(th, inode->i_sb, bh); - modifying_this_item = 0; - } - /* Then set the key to look for a new indirect item (offset of old - item is added to old item length */ - set_cpu_key_k_offset(&key, - le_key_k_offset - (get_inode_item_key_version(inode), - &(ih->ih_key)) + - op_bytes_number(ih, - inode->i_sb-> - s_blocksize)); - /* Search ofor position of new key in the tree. */ - res = - search_for_position_by_key(inode->i_sb, &key, - &path); - if (res == IO_ERROR) { - res = -EIO; - goto error_exit_free_blocks; - } - bh = get_last_bh(&path); - ih = get_ih(&path); - item = get_item(&path); - itempos = path.pos_in_item; - continue; // loop to check all kinds of conditions and so on. - } - /* Ok, we have correct position in item now, so let's see if it is - representing file hole (blocknumber is zero) and fill it if needed */ - if (!item[itempos]) { - /* Ok, a hole. Now we need to check if we already prepared this - block to be journaled */ - while (!modifying_this_item) { // loop until succeed - /* Well, this item is not journaled yet, so we must prepare - it for journal first, before we can change it */ - struct item_head tmp_ih; // We copy item head of found item, - // here to detect if fs changed under - // us while we were preparing for - // journal. - int fs_gen; // We store fs generation here to find if someone - // changes fs under our feet - - copy_item_head(&tmp_ih, ih); // Remember itemhead - fs_gen = get_generation(inode->i_sb); // remember fs generation - reiserfs_prepare_for_journal(inode->i_sb, bh, 1); // Prepare a buffer within which indirect item is stored for changing. - if (fs_changed(fs_gen, inode->i_sb) - && item_moved(&tmp_ih, &path)) { - // Sigh, fs was changed under us, we need to look for new - // location of item we are working with - - /* unmark prepaerd area as journaled and search for it's - new position */ - reiserfs_restore_prepared_buffer(inode-> - i_sb, - bh); - res = - search_for_position_by_key(inode-> - i_sb, - &key, - &path); - if (res == IO_ERROR) { - res = -EIO; - goto error_exit_free_blocks; - } - bh = get_last_bh(&path); - ih = get_ih(&path); - item = get_item(&path); - itempos = path.pos_in_item; - goto retry; - } - modifying_this_item = 1; - } - item[itempos] = allocated_blocks[curr_block]; // Assign new block - curr_block++; - } - itempos++; - } - - if (modifying_this_item) { // We need to log last-accessed block, if it - // was modified, but not logged yet. - journal_mark_dirty(th, inode->i_sb, bh); - } - - if (curr_block < blocks_to_allocate) { - // Oh, well need to append to indirect item, or to create indirect item - // if there weren't any - if (is_indirect_le_ih(ih)) { - // Existing indirect item - append. First calculate key for append - // position. We do not need to recalculate path as it should - // already point to correct place. - make_cpu_key(&key, inode, - le_key_k_offset(get_inode_item_key_version - (inode), - &(ih->ih_key)) + - op_bytes_number(ih, - inode->i_sb->s_blocksize), - TYPE_INDIRECT, 3); - res = - reiserfs_paste_into_item(th, &path, &key, inode, - (char *)(allocated_blocks + - curr_block), - UNFM_P_SIZE * - (blocks_to_allocate - - curr_block)); - if (res) { - goto error_exit_free_blocks; - } - } else if (is_statdata_le_ih(ih)) { - // Last found item was statdata. That means we need to create indirect item. - struct item_head ins_ih; /* itemhead for new item */ - - /* create a key for our new item */ - make_cpu_key(&key, inode, 1, TYPE_INDIRECT, 3); // Position one, - // because that's - // where first - // indirect item - // begins - /* Create new item head for our new item */ - make_le_item_head(&ins_ih, &key, key.version, 1, - TYPE_INDIRECT, - (blocks_to_allocate - - curr_block) * UNFM_P_SIZE, - 0 /* free space */ ); - /* Find where such item should live in the tree */ - res = search_item(inode->i_sb, &key, &path); - if (res != ITEM_NOT_FOUND) { - /* Well, if we have found such item already, or some error - occured, we need to warn user and return error */ - if (res != -ENOSPC) { - reiserfs_warning(inode->i_sb, - "green-9009: search_by_key (%K) " - "returned %d", &key, - res); - } - res = -EIO; - goto error_exit_free_blocks; - } - /* Insert item into the tree with the data as its body */ - res = - reiserfs_insert_item(th, &path, &key, &ins_ih, - inode, - (char *)(allocated_blocks + - curr_block)); - } else { - reiserfs_panic(inode->i_sb, - "green-9010: unexpected item type for key %K\n", - &key); - } - } - // the caller is responsible for closing the transaction - // unless we return an error, they are also responsible for logging - // the inode. - // - pathrelse(&path); - /* - * cleanup prellocation from previous writes - * if this is a partial block write - */ - if (write_bytes & (inode->i_sb->s_blocksize - 1)) - reiserfs_discard_prealloc(th, inode); - reiserfs_write_unlock(inode->i_sb); - - // go through all the pages/buffers and map the buffers to newly allocated - // blocks (so that system knows where to write these pages later). - curr_block = 0; - for (i = 0; i < num_pages; i++) { - struct page *page = prepared_pages[i]; //current page - struct buffer_head *head = page_buffers(page); // first buffer for a page - int block_start, block_end; // in-page offsets for buffers. - - if (!page_buffers(page)) - reiserfs_panic(inode->i_sb, - "green-9005: No buffers for prepared page???"); - - /* For each buffer in page */ - for (bh = head, block_start = 0; bh != head || !block_start; - block_start = block_end, bh = bh->b_this_page) { - if (!bh) - reiserfs_panic(inode->i_sb, - "green-9006: Allocated but absent buffer for a page?"); - block_end = block_start + inode->i_sb->s_blocksize; - if (i == 0 && block_end <= from) - /* if this buffer is before requested data to map, skip it */ - continue; - if (i == num_pages - 1 && block_start >= to) - /* If this buffer is after requested data to map, abort - processing of current page */ - break; - - if (!buffer_mapped(bh)) { // Ok, unmapped buffer, need to map it - map_bh(bh, inode->i_sb, - le32_to_cpu(allocated_blocks - [curr_block])); - curr_block++; - set_buffer_new(bh); - } - } - } - - RFALSE(curr_block > blocks_to_allocate, - "green-9007: Used too many blocks? weird"); - - kfree(allocated_blocks); - return 0; - -// Need to deal with transaction here. - error_exit_free_blocks: - pathrelse(&path); - // free blocks - for (i = 0; i < blocks_to_allocate; i++) - reiserfs_free_block(th, inode, le32_to_cpu(allocated_blocks[i]), - 1); - - error_exit: - if (th->t_trans_id) { - int err; - // update any changes we made to blk count - mark_inode_dirty(inode); - err = - journal_end(th, inode->i_sb, - JOURNAL_PER_BALANCE_CNT * 3 + 1 + - 2 * REISERFS_QUOTA_TRANS_BLOCKS(inode->i_sb)); - if (err) - res = err; - } - reiserfs_write_unlock(inode->i_sb); - kfree(allocated_blocks); - - return res; -} - -/* Unlock pages prepared by reiserfs_prepare_file_region_for_write */ -static void reiserfs_unprepare_pages(struct page **prepared_pages, /* list of locked pages */ - size_t num_pages /* amount of pages */ ) -{ - int i; // loop counter - - for (i = 0; i < num_pages; i++) { - struct page *page = prepared_pages[i]; - - try_to_free_buffers(page); - unlock_page(page); - page_cache_release(page); - } -} - -/* This function will copy data from userspace to specified pages within - supplied byte range */ -static int reiserfs_copy_from_user_to_file_region(loff_t pos, /* In-file position */ - int num_pages, /* Number of pages affected */ - int write_bytes, /* Amount of bytes to write */ - struct page **prepared_pages, /* pointer to - array to - prepared pages - */ - const char __user * buf /* Pointer to user-supplied - data */ - ) -{ - long page_fault = 0; // status of copy_from_user. - int i; // loop counter. - int offset; // offset in page - - for (i = 0, offset = (pos & (PAGE_CACHE_SIZE - 1)); i < num_pages; - i++, offset = 0) { - size_t count = min_t(size_t, PAGE_CACHE_SIZE - offset, write_bytes); // How much of bytes to write to this page - struct page *page = prepared_pages[i]; // Current page we process. - - fault_in_pages_readable(buf, count); - - /* Copy data from userspace to the current page */ - kmap(page); - page_fault = __copy_from_user(page_address(page) + offset, buf, count); // Copy the data. - /* Flush processor's dcache for this page */ - flush_dcache_page(page); - kunmap(page); - buf += count; - write_bytes -= count; - - if (page_fault) - break; // Was there a fault? abort. - } - - return page_fault ? -EFAULT : 0; -} - /* taken fs/buffer.c:__block_commit_write */ int reiserfs_commit_page(struct inode *inode, struct page *page, unsigned from, unsigned to) @@ -824,432 +222,6 @@ int reiserfs_commit_page(struct inode *inode, struct page *page, return ret; } -/* Submit pages for write. This was separated from actual file copying - because we might want to allocate block numbers in-between. - This function assumes that caller will adjust file size to correct value. */ -static int reiserfs_submit_file_region_for_write(struct reiserfs_transaction_handle *th, struct inode *inode, loff_t pos, /* Writing position offset */ - size_t num_pages, /* Number of pages to write */ - size_t write_bytes, /* number of bytes to write */ - struct page **prepared_pages /* list of pages */ - ) -{ - int status; // return status of block_commit_write. - int retval = 0; // Return value we are going to return. - int i; // loop counter - int offset; // Writing offset in page. - int orig_write_bytes = write_bytes; - int sd_update = 0; - - for (i = 0, offset = (pos & (PAGE_CACHE_SIZE - 1)); i < num_pages; - i++, offset = 0) { - int count = min_t(int, PAGE_CACHE_SIZE - offset, write_bytes); // How much of bytes to write to this page - struct page *page = prepared_pages[i]; // Current page we process. - - status = - reiserfs_commit_page(inode, page, offset, offset + count); - if (status) - retval = status; // To not overcomplicate matters We are going to - // submit all the pages even if there was error. - // we only remember error status to report it on - // exit. - write_bytes -= count; - } - /* now that we've gotten all the ordered buffers marked dirty, - * we can safely update i_size and close any running transaction - */ - if (pos + orig_write_bytes > inode->i_size) { - inode->i_size = pos + orig_write_bytes; // Set new size - /* If the file have grown so much that tail packing is no - * longer possible, reset "need to pack" flag */ - if ((have_large_tails(inode->i_sb) && - inode->i_size > i_block_size(inode) * 4) || - (have_small_tails(inode->i_sb) && - inode->i_size > i_block_size(inode))) - REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask; - else if ((have_large_tails(inode->i_sb) && - inode->i_size < i_block_size(inode) * 4) || - (have_small_tails(inode->i_sb) && - inode->i_size < i_block_size(inode))) - REISERFS_I(inode)->i_flags |= i_pack_on_close_mask; - - if (th->t_trans_id) { - reiserfs_write_lock(inode->i_sb); - // this sets the proper flags for O_SYNC to trigger a commit - mark_inode_dirty(inode); - reiserfs_write_unlock(inode->i_sb); - } else { - reiserfs_write_lock(inode->i_sb); - reiserfs_update_inode_transaction(inode); - mark_inode_dirty(inode); - reiserfs_write_unlock(inode->i_sb); - } - - sd_update = 1; - } - if (th->t_trans_id) { - reiserfs_write_lock(inode->i_sb); - if (!sd_update) - mark_inode_dirty(inode); - status = journal_end(th, th->t_super, th->t_blocks_allocated); - if (status) - retval = status; - reiserfs_write_unlock(inode->i_sb); - } - th->t_trans_id = 0; - - /* - * we have to unlock the pages after updating i_size, otherwise - * we race with writepage - */ - for (i = 0; i < num_pages; i++) { - struct page *page = prepared_pages[i]; - unlock_page(page); - mark_page_accessed(page); - page_cache_release(page); - } - return retval; -} - -/* Look if passed writing region is going to touch file's tail - (if it is present). And if it is, convert the tail to unformatted node */ -static int reiserfs_check_for_tail_and_convert(struct inode *inode, /* inode to deal with */ - loff_t pos, /* Writing position */ - int write_bytes /* amount of bytes to write */ - ) -{ - INITIALIZE_PATH(path); // needed for search_for_position - struct cpu_key key; // Key that would represent last touched writing byte. - struct item_head *ih; // item header of found block; - int res; // Return value of various functions we call. - int cont_expand_offset; // We will put offset for generic_cont_expand here - // This can be int just because tails are created - // only for small files. - -/* this embodies a dependency on a particular tail policy */ - if (inode->i_size >= inode->i_sb->s_blocksize * 4) { - /* such a big files do not have tails, so we won't bother ourselves - to look for tails, simply return */ - return 0; - } - - reiserfs_write_lock(inode->i_sb); - /* find the item containing the last byte to be written, or if - * writing past the end of the file then the last item of the - * file (and then we check its type). */ - make_cpu_key(&key, inode, pos + write_bytes + 1, TYPE_ANY, - 3 /*key length */ ); - res = search_for_position_by_key(inode->i_sb, &key, &path); - if (res == IO_ERROR) { - reiserfs_write_unlock(inode->i_sb); - return -EIO; - } - ih = get_ih(&path); - res = 0; - if (is_direct_le_ih(ih)) { - /* Ok, closest item is file tail (tails are stored in "direct" - * items), so we need to unpack it. */ - /* To not overcomplicate matters, we just call generic_cont_expand - which will in turn call other stuff and finally will boil down to - reiserfs_get_block() that would do necessary conversion. */ - cont_expand_offset = - le_key_k_offset(get_inode_item_key_version(inode), - &(ih->ih_key)); - pathrelse(&path); - res = generic_cont_expand(inode, cont_expand_offset); - } else - pathrelse(&path); - - reiserfs_write_unlock(inode->i_sb); - return res; -} - -/* This function locks pages starting from @pos for @inode. - @num_pages pages are locked and stored in - @prepared_pages array. Also buffers are allocated for these pages. - First and last page of the region is read if it is overwritten only - partially. If last page did not exist before write (file hole or file - append), it is zeroed, then. - Returns number of unallocated blocks that should be allocated to cover - new file data.*/ -static int reiserfs_prepare_file_region_for_write(struct inode *inode - /* Inode of the file */ , - loff_t pos, /* position in the file */ - size_t num_pages, /* number of pages to - prepare */ - size_t write_bytes, /* Amount of bytes to be - overwritten from - @pos */ - struct page **prepared_pages /* pointer to array - where to store - prepared pages */ - ) -{ - int res = 0; // Return values of different functions we call. - unsigned long index = pos >> PAGE_CACHE_SHIFT; // Offset in file in pages. - int from = (pos & (PAGE_CACHE_SIZE - 1)); // Writing offset in first page - int to = ((pos + write_bytes - 1) & (PAGE_CACHE_SIZE - 1)) + 1; - /* offset of last modified byte in last - page */ - struct address_space *mapping = inode->i_mapping; // Pages are mapped here. - int i; // Simple counter - int blocks = 0; /* Return value (blocks that should be allocated) */ - struct buffer_head *bh, *head; // Current bufferhead and first bufferhead - // of a page. - unsigned block_start, block_end; // Starting and ending offsets of current - // buffer in the page. - struct buffer_head *wait[2], **wait_bh = wait; // Buffers for page, if - // Page appeared to be not up - // to date. Note how we have - // at most 2 buffers, this is - // because we at most may - // partially overwrite two - // buffers for one page. One at // the beginning of write area - // and one at the end. - // Everything inthe middle gets // overwritten totally. - - struct cpu_key key; // cpu key of item that we are going to deal with - struct item_head *ih = NULL; // pointer to item head that we are going to deal with - struct buffer_head *itembuf = NULL; // Buffer head that contains items that we are going to deal with - INITIALIZE_PATH(path); // path to item, that we are going to deal with. - __le32 *item = NULL; // pointer to item we are going to deal with - int item_pos = -1; /* Position in indirect item */ - - if (num_pages < 1) { - reiserfs_warning(inode->i_sb, - "green-9001: reiserfs_prepare_file_region_for_write " - "called with zero number of pages to process"); - return -EFAULT; - } - - /* We have 2 loops for pages. In first loop we grab and lock the pages, so - that nobody would touch these until we release the pages. Then - we'd start to deal with mapping buffers to blocks. */ - for (i = 0; i < num_pages; i++) { - prepared_pages[i] = grab_cache_page(mapping, index + i); // locks the page - if (!prepared_pages[i]) { - res = -ENOMEM; - goto failed_page_grabbing; - } - if (!page_has_buffers(prepared_pages[i])) - create_empty_buffers(prepared_pages[i], - inode->i_sb->s_blocksize, 0); - } - - /* Let's count amount of blocks for a case where all the blocks - overwritten are new (we will substract already allocated blocks later) */ - if (num_pages > 2) - /* These are full-overwritten pages so we count all the blocks in - these pages are counted as needed to be allocated */ - blocks = - (num_pages - 2) << (PAGE_CACHE_SHIFT - inode->i_blkbits); - - /* count blocks needed for first page (possibly partially written) */ - blocks += ((PAGE_CACHE_SIZE - from) >> inode->i_blkbits) + !!(from & (inode->i_sb->s_blocksize - 1)); /* roundup */ - - /* Now we account for last page. If last page == first page (we - overwrite only one page), we substract all the blocks past the - last writing position in a page out of already calculated number - of blocks */ - blocks += ((num_pages > 1) << (PAGE_CACHE_SHIFT - inode->i_blkbits)) - - ((PAGE_CACHE_SIZE - to) >> inode->i_blkbits); - /* Note how we do not roundup here since partial blocks still - should be allocated */ - - /* Now if all the write area lies past the file end, no point in - maping blocks, since there is none, so we just zero out remaining - parts of first and last pages in write area (if needed) */ - if ((pos & ~((loff_t) PAGE_CACHE_SIZE - 1)) > inode->i_size) { - if (from != 0) /* First page needs to be partially zeroed */ - zero_user_page(prepared_pages[0], 0, from, KM_USER0); - - if (to != PAGE_CACHE_SIZE) /* Last page needs to be partially zeroed */ - zero_user_page(prepared_pages[num_pages-1], to, - PAGE_CACHE_SIZE - to, KM_USER0); - - /* Since all blocks are new - use already calculated value */ - return blocks; - } - - /* Well, since we write somewhere into the middle of a file, there is - possibility we are writing over some already allocated blocks, so - let's map these blocks and substract number of such blocks out of blocks - we need to allocate (calculated above) */ - /* Mask write position to start on blocksize, we do it out of the - loop for performance reasons */ - pos &= ~((loff_t) inode->i_sb->s_blocksize - 1); - /* Set cpu key to the starting position in a file (on left block boundary) */ - make_cpu_key(&key, inode, - 1 + ((pos) & ~((loff_t) inode->i_sb->s_blocksize - 1)), - TYPE_ANY, 3 /*key length */ ); - - reiserfs_write_lock(inode->i_sb); // We need that for at least search_by_key() - for (i = 0; i < num_pages; i++) { - - head = page_buffers(prepared_pages[i]); - /* For each buffer in the page */ - for (bh = head, block_start = 0; bh != head || !block_start; - block_start = block_end, bh = bh->b_this_page) { - if (!bh) - reiserfs_panic(inode->i_sb, - "green-9002: Allocated but absent buffer for a page?"); - /* Find where this buffer ends */ - block_end = block_start + inode->i_sb->s_blocksize; - if (i == 0 && block_end <= from) - /* if this buffer is before requested data to map, skip it */ - continue; - - if (i == num_pages - 1 && block_start >= to) { - /* If this buffer is after requested data to map, abort - processing of current page */ - break; - } - - if (buffer_mapped(bh) && bh->b_blocknr != 0) { - /* This is optimisation for a case where buffer is mapped - and have blocknumber assigned. In case significant amount - of such buffers are present, we may avoid some amount - of search_by_key calls. - Probably it would be possible to move parts of this code - out of BKL, but I afraid that would overcomplicate code - without any noticeable benefit. - */ - item_pos++; - /* Update the key */ - set_cpu_key_k_offset(&key, - cpu_key_k_offset(&key) + - inode->i_sb->s_blocksize); - blocks--; // Decrease the amount of blocks that need to be - // allocated - continue; // Go to the next buffer - } - - if (!itembuf || /* if first iteration */ - item_pos >= ih_item_len(ih) / UNFM_P_SIZE) { /* or if we progressed past the - current unformatted_item */ - /* Try to find next item */ - res = - search_for_position_by_key(inode->i_sb, - &key, &path); - /* Abort if no more items */ - if (res != POSITION_FOUND) { - /* make sure later loops don't use this item */ - itembuf = NULL; - item = NULL; - break; - } - - /* Update information about current indirect item */ - itembuf = get_last_bh(&path); - ih = get_ih(&path); - item = get_item(&path); - item_pos = path.pos_in_item; - - RFALSE(!is_indirect_le_ih(ih), - "green-9003: indirect item expected"); - } - - /* See if there is some block associated with the file - at that position, map the buffer to this block */ - if (get_block_num(item, item_pos)) { - map_bh(bh, inode->i_sb, - get_block_num(item, item_pos)); - blocks--; // Decrease the amount of blocks that need to be - // allocated - } - item_pos++; - /* Update the key */ - set_cpu_key_k_offset(&key, - cpu_key_k_offset(&key) + - inode->i_sb->s_blocksize); - } - } - pathrelse(&path); // Free the path - reiserfs_write_unlock(inode->i_sb); - - /* Now zero out unmappend buffers for the first and last pages of - write area or issue read requests if page is mapped. */ - /* First page, see if it is not uptodate */ - if (!PageUptodate(prepared_pages[0])) { - head = page_buffers(prepared_pages[0]); - - /* For each buffer in page */ - for (bh = head, block_start = 0; bh != head || !block_start; - block_start = block_end, bh = bh->b_this_page) { - - if (!bh) - reiserfs_panic(inode->i_sb, - "green-9002: Allocated but absent buffer for a page?"); - /* Find where this buffer ends */ - block_end = block_start + inode->i_sb->s_blocksize; - if (block_end <= from) - /* if this buffer is before requested data to map, skip it */ - continue; - if (block_start < from) { /* Aha, our partial buffer */ - if (buffer_mapped(bh)) { /* If it is mapped, we need to - issue READ request for it to - not loose data */ - ll_rw_block(READ, 1, &bh); - *wait_bh++ = bh; - } else { /* Not mapped, zero it */ - zero_user_page(prepared_pages[0], - block_start, - from - block_start, KM_USER0); - set_buffer_uptodate(bh); - } - } - } - } - - /* Last page, see if it is not uptodate, or if the last page is past the end of the file. */ - if (!PageUptodate(prepared_pages[num_pages - 1]) || - ((pos + write_bytes) >> PAGE_CACHE_SHIFT) > - (inode->i_size >> PAGE_CACHE_SHIFT)) { - head = page_buffers(prepared_pages[num_pages - 1]); - - /* for each buffer in page */ - for (bh = head, block_start = 0; bh != head || !block_start; - block_start = block_end, bh = bh->b_this_page) { - - if (!bh) - reiserfs_panic(inode->i_sb, - "green-9002: Allocated but absent buffer for a page?"); - /* Find where this buffer ends */ - block_end = block_start + inode->i_sb->s_blocksize; - if (block_start >= to) - /* if this buffer is after requested data to map, skip it */ - break; - if (block_end > to) { /* Aha, our partial buffer */ - if (buffer_mapped(bh)) { /* If it is mapped, we need to - issue READ request for it to - not loose data */ - ll_rw_block(READ, 1, &bh); - *wait_bh++ = bh; - } else { /* Not mapped, zero it */ - zero_user_page(prepared_pages[num_pages-1], - to, block_end - to, KM_USER0); - set_buffer_uptodate(bh); - } - } - } - } - - /* Wait for read requests we made to happen, if necessary */ - while (wait_bh > wait) { - wait_on_buffer(*--wait_bh); - if (!buffer_uptodate(*wait_bh)) { - res = -EIO; - goto failed_read; - } - } - - return blocks; - failed_page_grabbing: - num_pages = i; - failed_read: - reiserfs_unprepare_pages(prepared_pages, num_pages); - return res; -} - /* Write @count bytes at position @ppos in a file indicated by @file from the buffer @buf. @@ -1284,14 +256,9 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t * new current position before returning. */ ) { - size_t already_written = 0; // Number of bytes already written to the file. - loff_t pos; // Current position in the file. - ssize_t res; // return value of various functions that we call. - int err = 0; struct inode *inode = file->f_path.dentry->d_inode; // Inode of the file that we are writing to. /* To simplify coding at this time, we store locked pages in array for now */ - struct page *prepared_pages[REISERFS_WRITE_PAGES_AT_A_TIME]; struct reiserfs_transaction_handle th; th.t_trans_id = 0; @@ -1311,212 +278,7 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t count = MAX_NON_LFS - (unsigned long)*ppos; } - if (file->f_flags & O_DIRECT) - return do_sync_write(file, buf, count, ppos); - - if (unlikely((ssize_t) count < 0)) - return -EINVAL; - - if (unlikely(!access_ok(VERIFY_READ, buf, count))) - return -EFAULT; - - mutex_lock(&inode->i_mutex); // locks the entire file for just us - - pos = *ppos; - - /* Check if we can write to specified region of file, file - is not overly big and this kind of stuff. Adjust pos and - count, if needed */ - res = generic_write_checks(file, &pos, &count, 0); - if (res) - goto out; - - if (count == 0) - goto out; - - res = remove_suid(file->f_path.dentry); - if (res) - goto out; - - file_update_time(file); - - // Ok, we are done with all the checks. - - // Now we should start real work - - /* If we are going to write past the file's packed tail or if we are going - to overwrite part of the tail, we need that tail to be converted into - unformatted node */ - res = reiserfs_check_for_tail_and_convert(inode, pos, count); - if (res) - goto out; - - while (count > 0) { - /* This is the main loop in which we running until some error occures - or until we write all of the data. */ - size_t num_pages; /* amount of pages we are going to write this iteration */ - size_t write_bytes; /* amount of bytes to write during this iteration */ - size_t blocks_to_allocate; /* how much blocks we need to allocate for this iteration */ - - /* (pos & (PAGE_CACHE_SIZE-1)) is an idiom for offset into a page of pos */ - num_pages = !!((pos + count) & (PAGE_CACHE_SIZE - 1)) + /* round up partial - pages */ - ((count + - (pos & (PAGE_CACHE_SIZE - 1))) >> PAGE_CACHE_SHIFT); - /* convert size to amount of - pages */ - reiserfs_write_lock(inode->i_sb); - if (num_pages > REISERFS_WRITE_PAGES_AT_A_TIME - || num_pages > reiserfs_can_fit_pages(inode->i_sb)) { - /* If we were asked to write more data than we want to or if there - is not that much space, then we shorten amount of data to write - for this iteration. */ - num_pages = - min_t(size_t, REISERFS_WRITE_PAGES_AT_A_TIME, - reiserfs_can_fit_pages(inode->i_sb)); - /* Also we should not forget to set size in bytes accordingly */ - write_bytes = (num_pages << PAGE_CACHE_SHIFT) - - (pos & (PAGE_CACHE_SIZE - 1)); - /* If position is not on the - start of the page, we need - to substract the offset - within page */ - } else - write_bytes = count; - - /* reserve the blocks to be allocated later, so that later on - we still have the space to write the blocks to */ - reiserfs_claim_blocks_to_be_allocated(inode->i_sb, - num_pages << - (PAGE_CACHE_SHIFT - - inode->i_blkbits)); - reiserfs_write_unlock(inode->i_sb); - - if (!num_pages) { /* If we do not have enough space even for a single page... */ - if (pos > - inode->i_size + inode->i_sb->s_blocksize - - (pos & (inode->i_sb->s_blocksize - 1))) { - res = -ENOSPC; - break; // In case we are writing past the end of the last file block, break. - } - // Otherwise we are possibly overwriting the file, so - // let's set write size to be equal or less than blocksize. - // This way we get it correctly for file holes. - // But overwriting files on absolutelly full volumes would not - // be very efficient. Well, people are not supposed to fill - // 100% of disk space anyway. - write_bytes = - min_t(size_t, count, - inode->i_sb->s_blocksize - - (pos & (inode->i_sb->s_blocksize - 1))); - num_pages = 1; - // No blocks were claimed before, so do it now. - reiserfs_claim_blocks_to_be_allocated(inode->i_sb, - 1 << - (PAGE_CACHE_SHIFT - - - inode-> - i_blkbits)); - } - - /* Prepare for writing into the region, read in all the - partially overwritten pages, if needed. And lock the pages, - so that nobody else can access these until we are done. - We get number of actual blocks needed as a result. */ - res = reiserfs_prepare_file_region_for_write(inode, pos, - num_pages, - write_bytes, - prepared_pages); - if (res < 0) { - reiserfs_release_claimed_blocks(inode->i_sb, - num_pages << - (PAGE_CACHE_SHIFT - - inode->i_blkbits)); - break; - } - - blocks_to_allocate = res; - - /* First we correct our estimate of how many blocks we need */ - reiserfs_release_claimed_blocks(inode->i_sb, - (num_pages << - (PAGE_CACHE_SHIFT - - inode->i_sb-> - s_blocksize_bits)) - - blocks_to_allocate); - - if (blocks_to_allocate > 0) { /*We only allocate blocks if we need to */ - /* Fill in all the possible holes and append the file if needed */ - res = - reiserfs_allocate_blocks_for_region(&th, inode, pos, - num_pages, - write_bytes, - prepared_pages, - blocks_to_allocate); - } - - /* well, we have allocated the blocks, so it is time to free - the reservation we made earlier. */ - reiserfs_release_claimed_blocks(inode->i_sb, - blocks_to_allocate); - if (res) { - reiserfs_unprepare_pages(prepared_pages, num_pages); - break; - } - -/* NOTE that allocating blocks and filling blocks can be done in reverse order - and probably we would do that just to get rid of garbage in files after a - crash */ - - /* Copy data from user-supplied buffer to file's pages */ - res = - reiserfs_copy_from_user_to_file_region(pos, num_pages, - write_bytes, - prepared_pages, buf); - if (res) { - reiserfs_unprepare_pages(prepared_pages, num_pages); - break; - } - - /* Send the pages to disk and unlock them. */ - res = - reiserfs_submit_file_region_for_write(&th, inode, pos, - num_pages, - write_bytes, - prepared_pages); - if (res) - break; - - already_written += write_bytes; - buf += write_bytes; - *ppos = pos += write_bytes; - count -= write_bytes; - balance_dirty_pages_ratelimited_nr(inode->i_mapping, num_pages); - } - - /* this is only true on error */ - if (th.t_trans_id) { - reiserfs_write_lock(inode->i_sb); - err = journal_end(&th, th.t_super, th.t_blocks_allocated); - reiserfs_write_unlock(inode->i_sb); - if (err) { - res = err; - goto out; - } - } - - if (likely(res >= 0) && - (unlikely((file->f_flags & O_SYNC) || IS_SYNC(inode)))) - res = generic_osync_inode(inode, file->f_mapping, - OSYNC_METADATA | OSYNC_DATA); - - mutex_unlock(&inode->i_mutex); - reiserfs_async_progress_wait(inode->i_sb); - return (already_written != 0) ? already_written : res; - - out: - mutex_unlock(&inode->i_mutex); // unlock the file on exit. - return res; + return do_sync_write(file, buf, count, ppos); } const struct file_operations reiserfs_file_operations = { diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index ddde489f1cb..9ea12004fa5 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -17,11 +17,12 @@ #include <linux/mpage.h> #include <linux/writeback.h> #include <linux/quotaops.h> +#include <linux/swap.h> -static int reiserfs_commit_write(struct file *f, struct page *page, - unsigned from, unsigned to); -static int reiserfs_prepare_write(struct file *f, struct page *page, - unsigned from, unsigned to); +int reiserfs_commit_write(struct file *f, struct page *page, + unsigned from, unsigned to); +int reiserfs_prepare_write(struct file *f, struct page *page, + unsigned from, unsigned to); void reiserfs_delete_inode(struct inode *inode) { @@ -207,8 +208,8 @@ static int file_capable(struct inode *inode, long block) return 0; } -/*static*/ int restart_transaction(struct reiserfs_transaction_handle *th, - struct inode *inode, struct treepath *path) +static int restart_transaction(struct reiserfs_transaction_handle *th, + struct inode *inode, struct treepath *path) { struct super_block *s = th->t_super; int len = th->t_blocks_allocated; @@ -2550,8 +2551,78 @@ static int reiserfs_writepage(struct page *page, struct writeback_control *wbc) return reiserfs_write_full_page(page, wbc); } -static int reiserfs_prepare_write(struct file *f, struct page *page, - unsigned from, unsigned to) +static int reiserfs_write_begin(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + struct inode *inode; + struct page *page; + pgoff_t index; + int ret; + int old_ref = 0; + + inode = mapping->host; + *fsdata = 0; + if (flags & AOP_FLAG_CONT_EXPAND && + (pos & (inode->i_sb->s_blocksize - 1)) == 0) { + pos ++; + *fsdata = (void *)(unsigned long)flags; + } + + index = pos >> PAGE_CACHE_SHIFT; + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + + reiserfs_wait_on_write_block(inode->i_sb); + fix_tail_page_for_writing(page); + if (reiserfs_transaction_running(inode->i_sb)) { + struct reiserfs_transaction_handle *th; + th = (struct reiserfs_transaction_handle *)current-> + journal_info; + BUG_ON(!th->t_refcount); + BUG_ON(!th->t_trans_id); + old_ref = th->t_refcount; + th->t_refcount++; + } + ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + reiserfs_get_block); + if (ret && reiserfs_transaction_running(inode->i_sb)) { + struct reiserfs_transaction_handle *th = current->journal_info; + /* this gets a little ugly. If reiserfs_get_block returned an + * error and left a transacstion running, we've got to close it, + * and we've got to free handle if it was a persistent transaction. + * + * But, if we had nested into an existing transaction, we need + * to just drop the ref count on the handle. + * + * If old_ref == 0, the transaction is from reiserfs_get_block, + * and it was a persistent trans. Otherwise, it was nested above. + */ + if (th->t_refcount > old_ref) { + if (old_ref) + th->t_refcount--; + else { + int err; + reiserfs_write_lock(inode->i_sb); + err = reiserfs_end_persistent_transaction(th); + reiserfs_write_unlock(inode->i_sb); + if (err) + ret = err; + } + } + } + if (ret) { + unlock_page(page); + page_cache_release(page); + } + return ret; +} + +int reiserfs_prepare_write(struct file *f, struct page *page, + unsigned from, unsigned to) { struct inode *inode = page->mapping->host; int ret; @@ -2604,8 +2675,102 @@ static sector_t reiserfs_aop_bmap(struct address_space *as, sector_t block) return generic_block_bmap(as, block, reiserfs_bmap); } -static int reiserfs_commit_write(struct file *f, struct page *page, - unsigned from, unsigned to) +static int reiserfs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) +{ + struct inode *inode = page->mapping->host; + int ret = 0; + int update_sd = 0; + struct reiserfs_transaction_handle *th; + unsigned start; + + if ((unsigned long)fsdata & AOP_FLAG_CONT_EXPAND) + pos ++; + + reiserfs_wait_on_write_block(inode->i_sb); + if (reiserfs_transaction_running(inode->i_sb)) + th = current->journal_info; + else + th = NULL; + + start = pos & (PAGE_CACHE_SIZE - 1); + if (unlikely(copied < len)) { + if (!PageUptodate(page)) + copied = 0; + + page_zero_new_buffers(page, start + copied, start + len); + } + flush_dcache_page(page); + + reiserfs_commit_page(inode, page, start, start + copied); + + /* generic_commit_write does this for us, but does not update the + ** transaction tracking stuff when the size changes. So, we have + ** to do the i_size updates here. + */ + pos += copied; + if (pos > inode->i_size) { + struct reiserfs_transaction_handle myth; + reiserfs_write_lock(inode->i_sb); + /* If the file have grown beyond the border where it + can have a tail, unmark it as needing a tail + packing */ + if ((have_large_tails(inode->i_sb) + && inode->i_size > i_block_size(inode) * 4) + || (have_small_tails(inode->i_sb) + && inode->i_size > i_block_size(inode))) + REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask; + + ret = journal_begin(&myth, inode->i_sb, 1); + if (ret) { + reiserfs_write_unlock(inode->i_sb); + goto journal_error; + } + reiserfs_update_inode_transaction(inode); + inode->i_size = pos; + /* + * this will just nest into our transaction. It's important + * to use mark_inode_dirty so the inode gets pushed around on the + * dirty lists, and so that O_SYNC works as expected + */ + mark_inode_dirty(inode); + reiserfs_update_sd(&myth, inode); + update_sd = 1; + ret = journal_end(&myth, inode->i_sb, 1); + reiserfs_write_unlock(inode->i_sb); + if (ret) + goto journal_error; + } + if (th) { + reiserfs_write_lock(inode->i_sb); + if (!update_sd) + mark_inode_dirty(inode); + ret = reiserfs_end_persistent_transaction(th); + reiserfs_write_unlock(inode->i_sb); + if (ret) + goto out; + } + + out: + unlock_page(page); + page_cache_release(page); + return ret == 0 ? copied : ret; + + journal_error: + if (th) { + reiserfs_write_lock(inode->i_sb); + if (!update_sd) + reiserfs_update_sd(th, inode); + ret = reiserfs_end_persistent_transaction(th); + reiserfs_write_unlock(inode->i_sb); + } + + goto out; +} + +int reiserfs_commit_write(struct file *f, struct page *page, + unsigned from, unsigned to) { struct inode *inode = page->mapping->host; loff_t pos = ((loff_t) page->index << PAGE_CACHE_SHIFT) + to; @@ -2909,7 +3074,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) } /* fill in hole pointers in the expanding truncate case. */ if (attr->ia_size > inode->i_size) { - error = generic_cont_expand(inode, attr->ia_size); + error = generic_cont_expand_simple(inode, attr->ia_size); if (REISERFS_I(inode)->i_prealloc_count > 0) { int err; struct reiserfs_transaction_handle th; @@ -2999,8 +3164,8 @@ const struct address_space_operations reiserfs_address_space_operations = { .releasepage = reiserfs_releasepage, .invalidatepage = reiserfs_invalidatepage, .sync_page = block_sync_page, - .prepare_write = reiserfs_prepare_write, - .commit_write = reiserfs_commit_write, + .write_begin = reiserfs_write_begin, + .write_end = reiserfs_write_end, .bmap = reiserfs_aop_bmap, .direct_IO = reiserfs_direct_IO, .set_page_dirty = reiserfs_set_page_dirty, diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index 11a0fcc2d40..c438a8f83f2 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -128,6 +128,10 @@ long reiserfs_compat_ioctl(struct file *file, unsigned int cmd, } #endif +int reiserfs_commit_write(struct file *f, struct page *page, + unsigned from, unsigned to); +int reiserfs_prepare_write(struct file *f, struct page *page, + unsigned from, unsigned to); /* ** reiserfs_unpack ** Function try to convert tail from direct item into indirect. @@ -175,15 +179,13 @@ static int reiserfs_unpack(struct inode *inode, struct file *filp) if (!page) { goto out; } - retval = - mapping->a_ops->prepare_write(NULL, page, write_from, write_from); + retval = reiserfs_prepare_write(NULL, page, write_from, write_from); if (retval) goto out_unlock; /* conversion can change page contents, must flush */ flush_dcache_page(page); - retval = - mapping->a_ops->commit_write(NULL, page, write_from, write_from); + retval = reiserfs_commit_write(NULL, page, write_from, write_from); REISERFS_I(inode)->i_flags |= i_nopack_mask; out_unlock: diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index f25086aeef5..4cad9e75ef5 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -615,6 +615,31 @@ static int journal_list_still_alive(struct super_block *s, return 0; } +/* + * If page->mapping was null, we failed to truncate this page for + * some reason. Most likely because it was truncated after being + * logged via data=journal. + * + * This does a check to see if the buffer belongs to one of these + * lost pages before doing the final put_bh. If page->mapping was + * null, it tries to free buffers on the page, which should make the + * final page_cache_release drop the page from the lru. + */ +static void release_buffer_page(struct buffer_head *bh) +{ + struct page *page = bh->b_page; + if (!page->mapping && !TestSetPageLocked(page)) { + page_cache_get(page); + put_bh(bh); + if (!page->mapping) + try_to_free_buffers(page); + unlock_page(page); + page_cache_release(page); + } else { + put_bh(bh); + } +} + static void reiserfs_end_buffer_io_sync(struct buffer_head *bh, int uptodate) { char b[BDEVNAME_SIZE]; @@ -628,8 +653,9 @@ static void reiserfs_end_buffer_io_sync(struct buffer_head *bh, int uptodate) set_buffer_uptodate(bh); else clear_buffer_uptodate(bh); + unlock_buffer(bh); - put_bh(bh); + release_buffer_page(bh); } static void reiserfs_end_ordered_io(struct buffer_head *bh, int uptodate) @@ -966,7 +992,8 @@ static int flush_older_commits(struct super_block *s, } return 0; } -int reiserfs_async_progress_wait(struct super_block *s) + +static int reiserfs_async_progress_wait(struct super_block *s) { DEFINE_WAIT(wait); struct reiserfs_journal *j = SB_JOURNAL(s); @@ -1546,9 +1573,10 @@ static int flush_journal_list(struct super_block *s, BUG_ON(!test_clear_buffer_journal_dirty (cn->bh)); - /* undo the inc from journal_mark_dirty */ + /* drop one ref for us */ put_bh(cn->bh); - brelse(cn->bh); + /* drop one ref for journal_mark_dirty */ + release_buffer_page(cn->bh); } cn = cn->next; } @@ -2621,6 +2649,61 @@ static int journal_init_dev(struct super_block *super, return result; } +/** + * When creating/tuning a file system user can assign some + * journal params within boundaries which depend on the ratio + * blocksize/standard_blocksize. + * + * For blocks >= standard_blocksize transaction size should + * be not less then JOURNAL_TRANS_MIN_DEFAULT, and not more + * then JOURNAL_TRANS_MAX_DEFAULT. + * + * For blocks < standard_blocksize these boundaries should be + * decreased proportionally. + */ +#define REISERFS_STANDARD_BLKSIZE (4096) + +static int check_advise_trans_params(struct super_block *p_s_sb, + struct reiserfs_journal *journal) +{ + if (journal->j_trans_max) { + /* Non-default journal params. + Do sanity check for them. */ + int ratio = 1; + if (p_s_sb->s_blocksize < REISERFS_STANDARD_BLKSIZE) + ratio = REISERFS_STANDARD_BLKSIZE / p_s_sb->s_blocksize; + + if (journal->j_trans_max > JOURNAL_TRANS_MAX_DEFAULT / ratio || + journal->j_trans_max < JOURNAL_TRANS_MIN_DEFAULT / ratio || + SB_ONDISK_JOURNAL_SIZE(p_s_sb) / journal->j_trans_max < + JOURNAL_MIN_RATIO) { + reiserfs_warning(p_s_sb, + "sh-462: bad transaction max size (%u). FSCK?", + journal->j_trans_max); + return 1; + } + if (journal->j_max_batch != (journal->j_trans_max) * + JOURNAL_MAX_BATCH_DEFAULT/JOURNAL_TRANS_MAX_DEFAULT) { + reiserfs_warning(p_s_sb, + "sh-463: bad transaction max batch (%u). FSCK?", + journal->j_max_batch); + return 1; + } + } else { + /* Default journal params. + The file system was created by old version + of mkreiserfs, so some fields contain zeros, + and we need to advise proper values for them */ + if (p_s_sb->s_blocksize != REISERFS_STANDARD_BLKSIZE) + reiserfs_panic(p_s_sb, "sh-464: bad blocksize (%u)", + p_s_sb->s_blocksize); + journal->j_trans_max = JOURNAL_TRANS_MAX_DEFAULT; + journal->j_max_batch = JOURNAL_MAX_BATCH_DEFAULT; + journal->j_max_commit_age = JOURNAL_MAX_COMMIT_AGE; + } + return 0; +} + /* ** must be called once on fs mount. calls journal_read for you */ @@ -2716,49 +2799,8 @@ int journal_init(struct super_block *p_s_sb, const char *j_dev_name, le32_to_cpu(jh->jh_journal.jp_journal_max_commit_age); journal->j_max_trans_age = JOURNAL_MAX_TRANS_AGE; - if (journal->j_trans_max) { - /* make sure these parameters are available, assign it if they are not */ - __u32 initial = journal->j_trans_max; - __u32 ratio = 1; - - if (p_s_sb->s_blocksize < 4096) - ratio = 4096 / p_s_sb->s_blocksize; - - if (SB_ONDISK_JOURNAL_SIZE(p_s_sb) / journal->j_trans_max < - JOURNAL_MIN_RATIO) - journal->j_trans_max = - SB_ONDISK_JOURNAL_SIZE(p_s_sb) / JOURNAL_MIN_RATIO; - if (journal->j_trans_max > JOURNAL_TRANS_MAX_DEFAULT / ratio) - journal->j_trans_max = - JOURNAL_TRANS_MAX_DEFAULT / ratio; - if (journal->j_trans_max < JOURNAL_TRANS_MIN_DEFAULT / ratio) - journal->j_trans_max = - JOURNAL_TRANS_MIN_DEFAULT / ratio; - - if (journal->j_trans_max != initial) - reiserfs_warning(p_s_sb, - "sh-461: journal_init: wrong transaction max size (%u). Changed to %u", - initial, journal->j_trans_max); - - journal->j_max_batch = journal->j_trans_max * - JOURNAL_MAX_BATCH_DEFAULT / JOURNAL_TRANS_MAX_DEFAULT; - } - - if (!journal->j_trans_max) { - /*we have the file system was created by old version of mkreiserfs - so this field contains zero value */ - journal->j_trans_max = JOURNAL_TRANS_MAX_DEFAULT; - journal->j_max_batch = JOURNAL_MAX_BATCH_DEFAULT; - journal->j_max_commit_age = JOURNAL_MAX_COMMIT_AGE; - - /* for blocksize >= 4096 - max transaction size is 1024. For block size < 4096 - trans max size is decreased proportionally */ - if (p_s_sb->s_blocksize < 4096) { - journal->j_trans_max /= (4096 / p_s_sb->s_blocksize); - journal->j_max_batch = (journal->j_trans_max) * 9 / 10; - } - } - + if (check_advise_trans_params(p_s_sb, journal) != 0) + goto free_and_return; journal->j_default_max_commit_age = journal->j_max_commit_age; if (commit_max_age != 0) { @@ -3708,13 +3750,8 @@ int journal_mark_freed(struct reiserfs_transaction_handle *th, } } - if (bh) { - put_bh(bh); /* get_hash grabs the buffer */ - if (atomic_read(&(bh->b_count)) < 0) { - reiserfs_warning(p_s_sb, - "journal-2165: bh->b_count < 0"); - } - } + if (bh) + release_buffer_page(bh); /* get_hash grabs the buffer */ return 0; } diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index a005451930b..b82897ae090 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -145,7 +145,7 @@ static int finish_unfinished(struct super_block *s) { INITIALIZE_PATH(path); struct cpu_key max_cpu_key, obj_key; - struct reiserfs_key save_link_key; + struct reiserfs_key save_link_key, last_inode_key; int retval = 0; struct item_head *ih; struct buffer_head *bh; @@ -166,6 +166,8 @@ static int finish_unfinished(struct super_block *s) set_cpu_key_k_offset(&max_cpu_key, ~0U); max_cpu_key.key_length = 3; + memset(&last_inode_key, 0, sizeof(last_inode_key)); + #ifdef CONFIG_QUOTA /* Needed for iput() to work correctly and not trash data */ if (s->s_flags & MS_ACTIVE) { @@ -278,8 +280,18 @@ static int finish_unfinished(struct super_block *s) REISERFS_I(inode)->i_flags |= i_link_saved_unlink_mask; /* not completed unlink (rmdir) found */ reiserfs_info(s, "Removing %k..", INODE_PKEY(inode)); - /* removal gets completed in iput */ - retval = 0; + if (memcmp(&last_inode_key, INODE_PKEY(inode), + sizeof(last_inode_key))){ + last_inode_key = *INODE_PKEY(inode); + /* removal gets completed in iput */ + retval = 0; + } else { + reiserfs_warning(s, "Dead loop in " + "finish_unfinished detected, " + "just remove save link\n"); + retval = remove_save_link_only(s, + &save_link_key, 0); + } } iput(inode); @@ -508,7 +520,7 @@ static void reiserfs_destroy_inode(struct inode *inode) kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode)); } -static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo; diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index bf6e5821453..fab4b9b2664 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -426,6 +426,12 @@ static inline __u32 xattr_hash(const char *msg, int len) return csum_partial(msg, len, 0); } +int reiserfs_commit_write(struct file *f, struct page *page, + unsigned from, unsigned to); +int reiserfs_prepare_write(struct file *f, struct page *page, + unsigned from, unsigned to); + + /* Generic extended attribute operations that can be used by xa plugins */ /* @@ -512,15 +518,15 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer, rxh->h_hash = cpu_to_le32(xahash); } - err = mapping->a_ops->prepare_write(fp, page, page_offset, - page_offset + chunk + skip); + err = reiserfs_prepare_write(fp, page, page_offset, + page_offset + chunk + skip); if (!err) { if (buffer) memcpy(data + skip, buffer + buffer_pos, chunk); err = - mapping->a_ops->commit_write(fp, page, page_offset, - page_offset + chunk + - skip); + reiserfs_commit_write(fp, page, page_offset, + page_offset + chunk + + skip); } unlock_page(page); reiserfs_put_page(page); diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c index dae7945f90e..a49cf5b9a19 100644 --- a/fs/romfs/inode.c +++ b/fs/romfs/inode.c @@ -92,7 +92,7 @@ static inline unsigned long romfs_maxsize(struct super_block *sb) static inline struct romfs_inode_info *ROMFS_I(struct inode *inode) { - return list_entry(inode, struct romfs_inode_info, vfs_inode); + return container_of(inode, struct romfs_inode_info, vfs_inode); } static __u32 @@ -555,7 +555,7 @@ static struct kmem_cache * romfs_inode_cachep; static struct inode *romfs_alloc_inode(struct super_block *sb) { struct romfs_inode_info *ei; - ei = (struct romfs_inode_info *)kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL); + ei = kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL); if (!ei) return NULL; return &ei->vfs_inode; @@ -566,7 +566,7 @@ static void romfs_destroy_inode(struct inode *inode) kmem_cache_free(romfs_inode_cachep, ROMFS_I(inode)); } -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct romfs_inode_info *ei = foo; diff --git a/fs/select.c b/fs/select.c index 46dca31c607..7dede89658f 100644 --- a/fs/select.c +++ b/fs/select.c @@ -586,7 +586,7 @@ static int do_poll(unsigned int nfds, struct poll_list *list, /* Optimise the no-wait case */ if (!(*timeout)) pt = NULL; - + for (;;) { struct poll_list *walk; long __timeout; @@ -616,10 +616,12 @@ static int do_poll(unsigned int nfds, struct poll_list *list, * a poll_table to them on the next loop iteration. */ pt = NULL; - if (count || !*timeout || signal_pending(current)) - break; - count = wait->error; - if (count) + if (!count) { + count = wait->error; + if (signal_pending(current)) + count = -EINTR; + } + if (count || !*timeout) break; if (*timeout < 0) { @@ -651,93 +653,89 @@ static int do_poll(unsigned int nfds, struct poll_list *list, int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout) { struct poll_wqueues table; - int fdcount, err; - unsigned int i; - struct poll_list *head; - struct poll_list *walk; + int err = -EFAULT, fdcount, len, size; /* Allocate small arguments on the stack to save memory and be faster - use long to make sure the buffer is aligned properly on 64 bit archs to avoid unaligned access */ long stack_pps[POLL_STACK_ALLOC/sizeof(long)]; - struct poll_list *stack_pp = NULL; + struct poll_list *const head = (struct poll_list *)stack_pps; + struct poll_list *walk = head; + unsigned long todo = nfds; - /* Do a sanity check on nfds ... */ if (nfds > current->signal->rlim[RLIMIT_NOFILE].rlim_cur) return -EINVAL; - poll_initwait(&table); + len = min_t(unsigned int, nfds, N_STACK_PPS); + for (;;) { + walk->next = NULL; + walk->len = len; + if (!len) + break; - head = NULL; - walk = NULL; - i = nfds; - err = -ENOMEM; - while(i!=0) { - struct poll_list *pp; - int num, size; - if (stack_pp == NULL) - num = N_STACK_PPS; - else - num = POLLFD_PER_PAGE; - if (num > i) - num = i; - size = sizeof(struct poll_list) + sizeof(struct pollfd)*num; - if (!stack_pp) - stack_pp = pp = (struct poll_list *)stack_pps; - else { - pp = kmalloc(size, GFP_KERNEL); - if (!pp) - goto out_fds; - } - pp->next=NULL; - pp->len = num; - if (head == NULL) - head = pp; - else - walk->next = pp; + if (copy_from_user(walk->entries, ufds + nfds-todo, + sizeof(struct pollfd) * walk->len)) + goto out_fds; + + todo -= walk->len; + if (!todo) + break; - walk = pp; - if (copy_from_user(pp->entries, ufds + nfds-i, - sizeof(struct pollfd)*num)) { - err = -EFAULT; + len = min(todo, POLLFD_PER_PAGE); + size = sizeof(struct poll_list) + sizeof(struct pollfd) * len; + walk = walk->next = kmalloc(size, GFP_KERNEL); + if (!walk) { + err = -ENOMEM; goto out_fds; } - i -= pp->len; } + poll_initwait(&table); fdcount = do_poll(nfds, head, &table, timeout); + poll_freewait(&table); - /* OK, now copy the revents fields back to user space. */ - walk = head; - err = -EFAULT; - while(walk != NULL) { + for (walk = head; walk; walk = walk->next) { struct pollfd *fds = walk->entries; int j; - for (j=0; j < walk->len; j++, ufds++) { - if(__put_user(fds[j].revents, &ufds->revents)) + for (j = 0; j < walk->len; j++, ufds++) + if (__put_user(fds[j].revents, &ufds->revents)) goto out_fds; - } - walk = walk->next; } + err = fdcount; - if (!fdcount && signal_pending(current)) - err = -EINTR; out_fds: - walk = head; - while(walk!=NULL) { - struct poll_list *pp = walk->next; - if (walk != stack_pp) - kfree(walk); - walk = pp; + walk = head->next; + while (walk) { + struct poll_list *pos = walk; + walk = walk->next; + kfree(pos); } - poll_freewait(&table); + return err; } +static long do_restart_poll(struct restart_block *restart_block) +{ + struct pollfd __user *ufds = (struct pollfd __user*)restart_block->arg0; + int nfds = restart_block->arg1; + s64 timeout = ((s64)restart_block->arg3<<32) | (s64)restart_block->arg2; + int ret; + + ret = do_sys_poll(ufds, nfds, &timeout); + if (ret == -EINTR) { + restart_block->fn = do_restart_poll; + restart_block->arg2 = timeout & 0xFFFFFFFF; + restart_block->arg3 = (u64)timeout >> 32; + ret = -ERESTART_RESTARTBLOCK; + } + return ret; +} + asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, long timeout_msecs) { s64 timeout_jiffies; + int ret; if (timeout_msecs > 0) { #if HZ > 1000 @@ -752,7 +750,18 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, timeout_jiffies = timeout_msecs; } - return do_sys_poll(ufds, nfds, &timeout_jiffies); + ret = do_sys_poll(ufds, nfds, &timeout_jiffies); + if (ret == -EINTR) { + struct restart_block *restart_block; + restart_block = ¤t_thread_info()->restart_block; + restart_block->fn = do_restart_poll; + restart_block->arg0 = (unsigned long)ufds; + restart_block->arg1 = nfds; + restart_block->arg2 = timeout_jiffies & 0xFFFFFFFF; + restart_block->arg3 = (u64)timeout_jiffies >> 32; + ret = -ERESTART_RESTARTBLOCK; + } + return ret; } #ifdef TIF_RESTORE_SIGMASK diff --git a/fs/signalfd.c b/fs/signalfd.c index aefb0be0794..fb7f7e8034d 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -74,45 +74,45 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, * If you change siginfo_t structure, please be sure * this code is fixed accordingly. */ - err |= __put_user(kinfo->si_signo, &uinfo->signo); - err |= __put_user(kinfo->si_errno, &uinfo->err); - err |= __put_user((short)kinfo->si_code, &uinfo->code); + err |= __put_user(kinfo->si_signo, &uinfo->ssi_signo); + err |= __put_user(kinfo->si_errno, &uinfo->ssi_errno); + err |= __put_user((short) kinfo->si_code, &uinfo->ssi_code); switch (kinfo->si_code & __SI_MASK) { case __SI_KILL: - err |= __put_user(kinfo->si_pid, &uinfo->pid); - err |= __put_user(kinfo->si_uid, &uinfo->uid); + err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); + err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); break; case __SI_TIMER: - err |= __put_user(kinfo->si_tid, &uinfo->tid); - err |= __put_user(kinfo->si_overrun, &uinfo->overrun); - err |= __put_user((long)kinfo->si_ptr, &uinfo->svptr); + err |= __put_user(kinfo->si_tid, &uinfo->ssi_tid); + err |= __put_user(kinfo->si_overrun, &uinfo->ssi_overrun); + err |= __put_user((long) kinfo->si_ptr, &uinfo->ssi_ptr); break; case __SI_POLL: - err |= __put_user(kinfo->si_band, &uinfo->band); - err |= __put_user(kinfo->si_fd, &uinfo->fd); + err |= __put_user(kinfo->si_band, &uinfo->ssi_band); + err |= __put_user(kinfo->si_fd, &uinfo->ssi_fd); break; case __SI_FAULT: - err |= __put_user((long)kinfo->si_addr, &uinfo->addr); + err |= __put_user((long) kinfo->si_addr, &uinfo->ssi_addr); #ifdef __ARCH_SI_TRAPNO - err |= __put_user(kinfo->si_trapno, &uinfo->trapno); + err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno); #endif break; case __SI_CHLD: - err |= __put_user(kinfo->si_pid, &uinfo->pid); - err |= __put_user(kinfo->si_uid, &uinfo->uid); - err |= __put_user(kinfo->si_status, &uinfo->status); - err |= __put_user(kinfo->si_utime, &uinfo->utime); - err |= __put_user(kinfo->si_stime, &uinfo->stime); + err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); + err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); + err |= __put_user(kinfo->si_status, &uinfo->ssi_status); + err |= __put_user(kinfo->si_utime, &uinfo->ssi_utime); + err |= __put_user(kinfo->si_stime, &uinfo->ssi_stime); break; case __SI_RT: /* This is not generated by the kernel as of now. */ case __SI_MESGQ: /* But this is */ - err |= __put_user(kinfo->si_pid, &uinfo->pid); - err |= __put_user(kinfo->si_uid, &uinfo->uid); - err |= __put_user((long)kinfo->si_ptr, &uinfo->svptr); + err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); + err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); + err |= __put_user((long) kinfo->si_ptr, &uinfo->ssi_ptr); break; default: /* this is just in case for now ... */ - err |= __put_user(kinfo->si_pid, &uinfo->pid); - err |= __put_user(kinfo->si_uid, &uinfo->uid); + err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); + err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); break; } diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c index c5d78a7e492..f5d14cebc75 100644 --- a/fs/smbfs/file.c +++ b/fs/smbfs/file.c @@ -292,29 +292,45 @@ out: * If the writer ends up delaying the write, the writer needs to * increment the page use counts until he is done with the page. */ -static int smb_prepare_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int smb_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + *pagep = __grab_cache_page(mapping, index); + if (!*pagep) + return -ENOMEM; return 0; } -static int smb_commit_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int smb_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { int status; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); - status = -EFAULT; lock_kernel(); - status = smb_updatepage(file, page, offset, to-offset); + status = smb_updatepage(file, page, offset, copied); unlock_kernel(); + + if (!status) { + if (!PageUptodate(page) && copied == PAGE_CACHE_SIZE) + SetPageUptodate(page); + status = copied; + } + + unlock_page(page); + page_cache_release(page); + return status; } const struct address_space_operations smb_file_aops = { .readpage = smb_readpage, .writepage = smb_writepage, - .prepare_write = smb_prepare_write, - .commit_write = smb_commit_write + .write_begin = smb_write_begin, + .write_end = smb_write_end, }; /* diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index 73d1450a95d..ab517755ece 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -67,7 +67,7 @@ static void smb_destroy_inode(struct inode *inode) kmem_cache_free(smb_inode_cachep, SMB_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct smb_inode_info *ei = (struct smb_inode_info *) foo; diff --git a/fs/splice.c b/fs/splice.c index e95a3622886..6bdcb6107bc 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -447,7 +447,7 @@ fill_it: */ while (page_nr < nr_pages) page_cache_release(pages[page_nr++]); - in->f_ra.prev_index = index; + in->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT; if (spd.nr_pages) return splice_to_pipe(pipe, &spd); @@ -563,7 +563,7 @@ static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf, struct address_space *mapping = file->f_mapping; unsigned int offset, this_len; struct page *page; - pgoff_t index; + void *fsdata; int ret; /* @@ -573,49 +573,16 @@ static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf, if (unlikely(ret)) return ret; - index = sd->pos >> PAGE_CACHE_SHIFT; offset = sd->pos & ~PAGE_CACHE_MASK; this_len = sd->len; if (this_len + offset > PAGE_CACHE_SIZE) this_len = PAGE_CACHE_SIZE - offset; -find_page: - page = find_lock_page(mapping, index); - if (!page) { - ret = -ENOMEM; - page = page_cache_alloc_cold(mapping); - if (unlikely(!page)) - goto out_ret; - - /* - * This will also lock the page - */ - ret = add_to_page_cache_lru(page, mapping, index, - GFP_KERNEL); - if (unlikely(ret)) - goto out_release; - } - - ret = mapping->a_ops->prepare_write(file, page, offset, offset+this_len); - if (unlikely(ret)) { - loff_t isize = i_size_read(mapping->host); - - if (ret != AOP_TRUNCATED_PAGE) - unlock_page(page); - page_cache_release(page); - if (ret == AOP_TRUNCATED_PAGE) - goto find_page; - - /* - * prepare_write() may have instantiated a few blocks - * outside i_size. Trim these off again. - */ - if (sd->pos + this_len > isize) - vmtruncate(mapping->host, isize); - - goto out_ret; - } + ret = pagecache_write_begin(file, mapping, sd->pos, this_len, + AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata); + if (unlikely(ret)) + goto out; if (buf->page != page) { /* @@ -629,31 +596,9 @@ find_page: kunmap_atomic(dst, KM_USER1); buf->ops->unmap(pipe, buf, src); } - - ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len); - if (ret) { - if (ret == AOP_TRUNCATED_PAGE) { - page_cache_release(page); - goto find_page; - } - if (ret < 0) - goto out; - /* - * Partial write has happened, so 'ret' already initialized by - * number of bytes written, Where is nothing we have to do here. - */ - } else - ret = this_len; - /* - * Return the number of bytes written and mark page as - * accessed, we are now done! - */ - mark_page_accessed(page); + ret = pagecache_write_end(file, mapping, sd->pos, this_len, this_len, + page, fsdata); out: - unlock_page(page); -out_release: - page_cache_release(page); -out_ret: return ret; } @@ -879,13 +824,18 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out, { struct address_space *mapping = out->f_mapping; struct inode *inode = mapping->host; + int killsuid, killpriv; ssize_t ret; - int err; + int err = 0; - err = should_remove_suid(out->f_path.dentry); - if (unlikely(err)) { + killpriv = security_inode_need_killpriv(out->f_path.dentry); + killsuid = should_remove_suid(out->f_path.dentry); + if (unlikely(killsuid || killpriv)) { mutex_lock(&inode->i_mutex); - err = __remove_suid(out->f_path.dentry, err); + if (killpriv) + err = security_inode_killpriv(out->f_path.dentry); + if (!err && killsuid) + err = __remove_suid(out->f_path.dentry, killsuid); mutex_unlock(&inode->i_mutex); if (err) return err; @@ -1390,10 +1340,10 @@ static int pipe_to_user(struct pipe_inode_info *pipe, struct pipe_buffer *buf, if (copy_to_user(sd->u.userptr, src + buf->offset, sd->len)) ret = -EFAULT; + buf->ops->unmap(pipe, buf, src); out: if (ret > 0) sd->u.userptr += ret; - buf->ops->unmap(pipe, buf, src); return ret; } diff --git a/fs/super.c b/fs/super.c index fc8ebedc6be..1bfcca2104b 100644 --- a/fs/super.c +++ b/fs/super.c @@ -67,6 +67,7 @@ static struct super_block *alloc_super(struct file_system_type *type) } INIT_LIST_HEAD(&s->s_dirty); INIT_LIST_HEAD(&s->s_io); + INIT_LIST_HEAD(&s->s_more_io); INIT_LIST_HEAD(&s->s_files); INIT_LIST_HEAD(&s->s_instances); INIT_HLIST_HEAD(&s->s_anon); diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 9161db4d6b5..7a8ce9e98b3 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -24,9 +24,9 @@ DEFINE_MUTEX(sysfs_mutex); DEFINE_MUTEX(sysfs_rename_mutex); -spinlock_t sysfs_assoc_lock = SPIN_LOCK_UNLOCKED; +DEFINE_SPINLOCK(sysfs_assoc_lock); -static spinlock_t sysfs_ino_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(sysfs_ino_lock); static DEFINE_IDA(sysfs_ino_ida); /** @@ -112,8 +112,7 @@ struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd) /* look it up */ parent = dentry; mutex_lock(&parent->d_inode->i_mutex); - dentry = lookup_one_len_kern(cur->s_name, parent, - strlen(cur->s_name)); + dentry = lookup_one_noperm(cur->s_name, parent); mutex_unlock(&parent->d_inode->i_mutex); dput(parent); diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 9236635111f..d9262f74f94 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -24,8 +24,8 @@ extern struct super_block * sysfs_sb; static const struct address_space_operations sysfs_aops = { .readpage = simple_readpage, - .prepare_write = simple_prepare_write, - .commit_write = simple_commit_write + .write_begin = simple_write_begin, + .write_end = simple_write_end, }; static struct backing_dev_info sysfs_backing_dev_info = { @@ -37,6 +37,11 @@ static const struct inode_operations sysfs_inode_operations ={ .setattr = sysfs_setattr, }; +int __init sysfs_inode_init(void) +{ + return bdi_init(&sysfs_backing_dev_info); +} + int sysfs_setattr(struct dentry * dentry, struct iattr * iattr) { struct inode * inode = dentry->d_inode; diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index c76c540be3c..74168266cd5 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -92,6 +92,10 @@ int __init sysfs_init(void) if (!sysfs_dir_cachep) goto out; + err = sysfs_inode_init(); + if (err) + goto out_err; + err = register_filesystem(&sysfs_fs_type); if (!err) { sysfs_mount = kern_mount(&sysfs_fs_type); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index f0326f281d1..f8417988f6b 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -146,6 +146,7 @@ static inline void sysfs_put(struct sysfs_dirent *sd) struct inode *sysfs_get_inode(struct sysfs_dirent *sd); int sysfs_setattr(struct dentry *dentry, struct iattr *iattr); int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name); +int sysfs_inode_init(void); /* * file.c diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index e566b387fcf..56f655254bf 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -16,6 +16,7 @@ #include <linux/pagemap.h> #include <linux/highmem.h> #include <linux/smp_lock.h> +#include <linux/swap.h> #include "sysv.h" static int sysv_readdir(struct file *, void *, filldir_t); @@ -37,12 +38,17 @@ static inline unsigned long dir_pages(struct inode *inode) return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT; } -static int dir_commit_chunk(struct page *page, unsigned from, unsigned to) +static int dir_commit_chunk(struct page *page, loff_t pos, unsigned len) { - struct inode *dir = (struct inode *)page->mapping->host; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; int err = 0; - page->mapping->a_ops->commit_write(NULL, page, from, to); + block_write_end(NULL, mapping, pos, len, len, page, NULL); + if (pos+len > dir->i_size) { + i_size_write(dir, pos+len); + mark_inode_dirty(dir); + } if (IS_DIRSYNC(dir)) err = write_one_page(page, 1); else @@ -186,7 +192,7 @@ int sysv_add_link(struct dentry *dentry, struct inode *inode) unsigned long npages = dir_pages(dir); unsigned long n; char *kaddr; - unsigned from, to; + loff_t pos; int err; /* We take care of directory expansion in the same loop */ @@ -212,16 +218,17 @@ int sysv_add_link(struct dentry *dentry, struct inode *inode) return -EINVAL; got_it: - from = (char*)de - (char*)page_address(page); - to = from + SYSV_DIRSIZE; + pos = page_offset(page) + + (char*)de - (char*)page_address(page); lock_page(page); - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + err = __sysv_write_begin(NULL, page->mapping, pos, SYSV_DIRSIZE, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) goto out_unlock; memcpy (de->name, name, namelen); memset (de->name + namelen, 0, SYSV_DIRSIZE - namelen - 2); de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(dir); out_page: @@ -238,15 +245,15 @@ int sysv_delete_entry(struct sysv_dir_entry *de, struct page *page) struct address_space *mapping = page->mapping; struct inode *inode = (struct inode*)mapping->host; char *kaddr = (char*)page_address(page); - unsigned from = (char*)de - kaddr; - unsigned to = from + SYSV_DIRSIZE; + loff_t pos = page_offset(page) + (char *)de - kaddr; int err; lock_page(page); - err = mapping->a_ops->prepare_write(NULL, page, from, to); + err = __sysv_write_begin(NULL, mapping, pos, SYSV_DIRSIZE, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); BUG_ON(err); de->inode = 0; - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir_put_page(page); inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; mark_inode_dirty(inode); @@ -263,12 +270,13 @@ int sysv_make_empty(struct inode *inode, struct inode *dir) if (!page) return -ENOMEM; - kmap(page); - err = mapping->a_ops->prepare_write(NULL, page, 0, 2 * SYSV_DIRSIZE); + err = __sysv_write_begin(NULL, mapping, 0, 2 * SYSV_DIRSIZE, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) { unlock_page(page); goto fail; } + kmap(page); base = (char*)page_address(page); memset(base, 0, PAGE_CACHE_SIZE); @@ -280,9 +288,9 @@ int sysv_make_empty(struct inode *inode, struct inode *dir) de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), dir->i_ino); strcpy(de->name,".."); + kunmap(page); err = dir_commit_chunk(page, 0, 2 * SYSV_DIRSIZE); fail: - kunmap(page); page_cache_release(page); return err; } @@ -336,16 +344,18 @@ not_empty: void sysv_set_link(struct sysv_dir_entry *de, struct page *page, struct inode *inode) { - struct inode *dir = (struct inode*)page->mapping->host; - unsigned from = (char *)de-(char*)page_address(page); - unsigned to = from + SYSV_DIRSIZE; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; + loff_t pos = page_offset(page) + + (char *)de-(char*)page_address(page); int err; lock_page(page); - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + err = __sysv_write_begin(NULL, mapping, pos, SYSV_DIRSIZE, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); BUG_ON(err); de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); - err = dir_commit_chunk(page, from, to); + err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir_put_page(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(dir); diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 7c4e5d302ab..81ec6c548c0 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -318,7 +318,7 @@ static void sysv_destroy_inode(struct inode *inode) kmem_cache_free(sysv_inode_cachep, SYSV_I(inode)); } -static void init_once(void *p, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *p) { struct sysv_inode_info *si = (struct sysv_inode_info *)p; diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index f2bcccd1d6f..f042eec464c 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -453,23 +453,38 @@ static int sysv_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page,get_block,wbc); } + static int sysv_readpage(struct file *file, struct page *page) { return block_read_full_page(page,get_block); } -static int sysv_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) + +int __sysv_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page,from,to,get_block); + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + get_block); } + +static int sysv_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + *pagep = NULL; + return __sysv_write_begin(file, mapping, pos, len, flags, pagep, fsdata); +} + static sector_t sysv_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,get_block); } + const struct address_space_operations sysv_aops = { .readpage = sysv_readpage, .writepage = sysv_writepage, .sync_page = block_sync_page, - .prepare_write = sysv_prepare_write, - .commit_write = generic_commit_write, + .write_begin = sysv_write_begin, + .write_end = generic_write_end, .bmap = sysv_bmap }; diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index 5b4fedf17cc..64c03bdf06a 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -136,6 +136,9 @@ extern unsigned long sysv_count_free_blocks(struct super_block *); /* itree.c */ extern void sysv_truncate(struct inode *); +extern int __sysv_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); /* inode.c */ extern int sysv_write_inode(struct inode *, int); diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 87e87dcd3f9..ab26176f6b9 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -689,7 +689,7 @@ static int udf_table_new_block(struct super_block *sb, uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF; uint32_t newblock = 0, adsize; uint32_t elen, goal_elen = 0; - kernel_lb_addr eloc, goal_eloc; + kernel_lb_addr eloc, uninitialized_var(goal_eloc); struct extent_position epos, goal_epos; int8_t etype; diff --git a/fs/udf/file.c b/fs/udf/file.c index 5d7a4ea2775..7c7a1b39d56 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -76,36 +76,29 @@ static int udf_adinicb_writepage(struct page *page, struct writeback_control *wb return 0; } -static int udf_adinicb_prepare_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int udf_adinicb_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - kmap(page); - return 0; -} - -static int udf_adinicb_commit_write(struct file *file, struct page *page, - unsigned offset, unsigned to) -{ - struct inode *inode = page->mapping->host; - char *kaddr = page_address(page); + struct inode *inode = mapping->host; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); + char *kaddr; + kaddr = kmap_atomic(page, KM_USER0); memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, - kaddr + offset, to - offset); - mark_inode_dirty(inode); - SetPageUptodate(page); - kunmap(page); - /* only one page here */ - if (to > inode->i_size) - inode->i_size = to; - return 0; + kaddr + offset, copied); + kunmap_atomic(kaddr, KM_USER0); + + return simple_write_end(file, mapping, pos, len, copied, page, fsdata); } const struct address_space_operations udf_adinicb_aops = { .readpage = udf_adinicb_readpage, .writepage = udf_adinicb_writepage, .sync_page = block_sync_page, - .prepare_write = udf_adinicb_prepare_write, - .commit_write = udf_adinicb_commit_write, + .write_begin = simple_write_begin, + .write_end = udf_adinicb_write_end, }; static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 1652b2c665b..6ff8151984c 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -133,10 +133,13 @@ static int udf_readpage(struct file *file, struct page *page) return block_read_full_page(page, udf_get_block); } -static int udf_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int udf_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page, from, to, udf_get_block); + *pagep = NULL; + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + udf_get_block); } static sector_t udf_bmap(struct address_space *mapping, sector_t block) @@ -148,8 +151,8 @@ const struct address_space_operations udf_aops = { .readpage = udf_readpage, .writepage = udf_writepage, .sync_page = block_sync_page, - .prepare_write = udf_prepare_write, - .commit_write = generic_commit_write, + .write_begin = udf_write_begin, + .write_end = generic_write_end, .bmap = udf_bmap, }; diff --git a/fs/udf/super.c b/fs/udf/super.c index c68a6e730b9..4360c7a0574 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -134,7 +134,7 @@ static void udf_destroy_inode(struct inode *inode) kmem_cache_free(udf_inode_cachep, UDF_I(inode)); } -static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) +static void init_once(struct kmem_cache *cachep, void *foo) { struct udf_inode_info *ei = (struct udf_inode_info *)foo; @@ -913,8 +913,7 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table = udf_iget(sb, loc); if (!UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table) { - udf_debug("cannot load unallocSpaceTable (part %d)\n", - i); + udf_debug("cannot load unallocSpaceTable (part %d)\n", i); return 1; } UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE; @@ -944,8 +943,7 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table = udf_iget(sb, loc); if (!UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table) { - udf_debug("cannot load freedSpaceTable (part %d)\n", - i); + udf_debug("cannot load freedSpaceTable (part %d)\n", i); return 1; } UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE; @@ -1293,19 +1291,16 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) if (!UDF_SB_LASTBLOCK(sb)) { udf_debug("Unable to determine Lastblock (For " - "Virtual Partition)\n"); + "Virtual Partition)\n"); return 1; } for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { - if (j != i && UDF_SB_PARTVSN(sb, i) == - UDF_SB_PARTVSN(sb, j) && - UDF_SB_PARTNUM(sb, i) == - UDF_SB_PARTNUM(sb, j)) { + if (j != i && + UDF_SB_PARTVSN(sb, i) == UDF_SB_PARTVSN(sb, j) && + UDF_SB_PARTNUM(sb, i) == UDF_SB_PARTNUM(sb, j)) { ino.partitionReferenceNum = j; - ino.logicalBlockNum = - UDF_SB_LASTBLOCK(sb) - - UDF_SB_PARTROOT(sb, j); + ino.logicalBlockNum = UDF_SB_LASTBLOCK(sb) - UDF_SB_PARTROOT(sb, j); break; } } @@ -1318,9 +1313,9 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { UDF_SB_TYPEVIRT(sb, i).s_start_offset = - udf_ext0_offset(UDF_SB_VAT(sb)); + udf_ext0_offset(UDF_SB_VAT(sb)); UDF_SB_TYPEVIRT(sb, i).s_num_entries = - (UDF_SB_VAT(sb)->i_size - 36) >> 2; + (UDF_SB_VAT(sb)->i_size - 36) >> 2; } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) { struct buffer_head *bh = NULL; uint32_t pos; @@ -1330,19 +1325,15 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) if (!bh) return 1; UDF_SB_TYPEVIRT(sb, i).s_start_offset = - le16_to_cpu(((struct - virtualAllocationTable20 *)bh->b_data + - udf_ext0_offset(UDF_SB_VAT(sb)))-> - lengthHeader) + - udf_ext0_offset(UDF_SB_VAT(sb)); - UDF_SB_TYPEVIRT(sb, i).s_num_entries = - (UDF_SB_VAT(sb)->i_size - - UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2; + le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) + + udf_ext0_offset(UDF_SB_VAT(sb)); + UDF_SB_TYPEVIRT(sb, i).s_num_entries = (UDF_SB_VAT(sb)->i_size - + UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2; brelse(bh); } UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0); - UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb, - ino.partitionReferenceNum); + UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb, ino.partitionReferenceNum); } } return 0; @@ -1357,21 +1348,17 @@ static void udf_open_lvid(struct super_block *sb) UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) - UDF_SB_LVID(sb)->recordingDateAndTime = - cpu_to_lets(cpu_time); + UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time); UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN; - UDF_SB_LVID(sb)->descTag.descCRC = - cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), - le16_to_cpu(UDF_SB_LVID(sb)->descTag. - descCRCLength), 0)); + UDF_SB_LVID(sb)->descTag.descCRC = cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), + le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0)); UDF_SB_LVID(sb)->descTag.tagChecksum = 0; for (i = 0; i < 16; i++) if (i != 4) UDF_SB_LVID(sb)->descTag.tagChecksum += - ((uint8_t *) & - (UDF_SB_LVID(sb)->descTag))[i]; + ((uint8_t *) &(UDF_SB_LVID(sb)->descTag))[i]; mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index 3fd80eb66af..adcb87c2da7 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -108,10 +108,10 @@ time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src) *dest = year_seconds[src.year - EPOCH_YEAR]; *dest -= offset * 60; - yday = ((__mon_yday[__isleap (src.year)] - [src.month - 1]) + (src.day - 1)); - *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second; - *dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds; + yday = ((__mon_yday[__isleap(src.year)][src.month - 1]) + src.day - 1); + *dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; + *dest_usec = src.centiseconds * 10000 + + src.hundredsOfMicroseconds * 100 + src.microseconds; return dest; } diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 841ac25fd95..f63a09ce868 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -19,6 +19,7 @@ #include <linux/bitops.h> #include <asm/byteorder.h> +#include "ufs.h" #include "swab.h" #include "util.h" diff --git a/fs/ufs/cylinder.c b/fs/ufs/cylinder.c index 09c39e5e638..2a815665644 100644 --- a/fs/ufs/cylinder.c +++ b/fs/ufs/cylinder.c @@ -17,6 +17,7 @@ #include <asm/byteorder.h> +#include "ufs.h" #include "swab.h" #include "util.h" diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 154452172f4..30f8c2bb0c3 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -19,7 +19,9 @@ #include <linux/time.h> #include <linux/fs.h> #include <linux/ufs_fs.h> +#include <linux/swap.h> +#include "ufs.h" #include "swab.h" #include "util.h" @@ -38,12 +40,18 @@ static inline int ufs_match(struct super_block *sb, int len, return !memcmp(name, de->d_name, len); } -static int ufs_commit_chunk(struct page *page, unsigned from, unsigned to) +static int ufs_commit_chunk(struct page *page, loff_t pos, unsigned len) { - struct inode *dir = page->mapping->host; + struct address_space *mapping = page->mapping; + struct inode *dir = mapping->host; int err = 0; + dir->i_version++; - page->mapping->a_ops->commit_write(NULL, page, from, to); + block_write_end(NULL, mapping, pos, len, len, page, NULL); + if (pos+len > dir->i_size) { + i_size_write(dir, pos+len); + mark_inode_dirty(dir); + } if (IS_DIRSYNC(dir)) err = write_one_page(page, 1); else @@ -81,16 +89,20 @@ ino_t ufs_inode_by_name(struct inode *dir, struct dentry *dentry) void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, struct page *page, struct inode *inode) { - unsigned from = (char *) de - (char *) page_address(page); - unsigned to = from + fs16_to_cpu(dir->i_sb, de->d_reclen); + loff_t pos = page_offset(page) + + (char *) de - (char *) page_address(page); + unsigned len = fs16_to_cpu(dir->i_sb, de->d_reclen); int err; lock_page(page); - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + err = __ufs_write_begin(NULL, page->mapping, pos, len, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); BUG_ON(err); + de->d_ino = cpu_to_fs32(dir->i_sb, inode->i_ino); ufs_set_de_type(dir->i_sb, de, inode->i_mode); - err = ufs_commit_chunk(page, from, to); + + err = ufs_commit_chunk(page, pos, len); ufs_put_page(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(dir); @@ -312,7 +324,7 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode) unsigned long npages = ufs_dir_pages(dir); unsigned long n; char *kaddr; - unsigned from, to; + loff_t pos; int err; UFSD("ENTER, name %s, namelen %u\n", name, namelen); @@ -367,9 +379,10 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode) return -EINVAL; got_it: - from = (char*)de - (char*)page_address(page); - to = from + rec_len; - err = page->mapping->a_ops->prepare_write(NULL, page, from, to); + pos = page_offset(page) + + (char*)de - (char*)page_address(page); + err = __ufs_write_begin(NULL, page->mapping, pos, rec_len, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) goto out_unlock; if (de->d_ino) { @@ -386,7 +399,7 @@ got_it: de->d_ino = cpu_to_fs32(sb, inode->i_ino); ufs_set_de_type(sb, de, inode->i_mode); - err = ufs_commit_chunk(page, from, to); + err = ufs_commit_chunk(page, pos, rec_len); dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(dir); @@ -509,6 +522,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir, char *kaddr = page_address(page); unsigned from = ((char*)dir - kaddr) & ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1); unsigned to = ((char*)dir - kaddr) + fs16_to_cpu(sb, dir->d_reclen); + loff_t pos; struct ufs_dir_entry *pde = NULL; struct ufs_dir_entry *de = (struct ufs_dir_entry *) (kaddr + from); int err; @@ -532,13 +546,16 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir, } if (pde) from = (char*)pde - (char*)page_address(page); + + pos = page_offset(page) + from; lock_page(page); - err = mapping->a_ops->prepare_write(NULL, page, from, to); + err = __ufs_write_begin(NULL, mapping, pos, to - from, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); BUG_ON(err); if (pde) - pde->d_reclen = cpu_to_fs16(sb, to-from); + pde->d_reclen = cpu_to_fs16(sb, to - from); dir->d_ino = 0; - err = ufs_commit_chunk(page, from, to); + err = ufs_commit_chunk(page, pos, to - from); inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; mark_inode_dirty(inode); out: @@ -559,14 +576,15 @@ int ufs_make_empty(struct inode * inode, struct inode *dir) if (!page) return -ENOMEM; - kmap(page); - err = mapping->a_ops->prepare_write(NULL, page, 0, chunk_size); + + err = __ufs_write_begin(NULL, mapping, 0, chunk_size, + AOP_FLAG_UNINTERRUPTIBLE, &page, NULL); if (err) { unlock_page(page); goto fail; } - + kmap(page); base = (char*)page_address(page); memset(base, 0, PAGE_CACHE_SIZE); @@ -584,10 +602,10 @@ int ufs_make_empty(struct inode * inode, struct inode *dir) de->d_reclen = cpu_to_fs16(sb, chunk_size - UFS_DIR_REC_LEN(1)); ufs_set_de_namlen(sb, de, 2); strcpy (de->d_name, ".."); + kunmap(page); err = ufs_commit_chunk(page, 0, chunk_size); fail: - kunmap(page); page_cache_release(page); return err; } diff --git a/fs/ufs/file.c b/fs/ufs/file.c index 6705d74c6d2..a46c97bf023 100644 --- a/fs/ufs/file.c +++ b/fs/ufs/file.c @@ -27,6 +27,9 @@ #include <linux/ufs_fs.h> #include <linux/buffer_head.h> /* for sync_mapping_buffers() */ +#include "ufs.h" + + static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync) { struct inode *inode = dentry->d_inode; diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index c28a8b6f2fe..7e260bc0d94 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -34,6 +34,7 @@ #include <linux/bitops.h> #include <asm/byteorder.h> +#include "ufs.h" #include "swab.h" #include "util.h" diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index f18b79122fa..4320782761a 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -38,6 +38,7 @@ #include <linux/smp_lock.h> #include <linux/buffer_head.h> +#include "ufs.h" #include "swab.h" #include "util.h" @@ -558,24 +559,39 @@ static int ufs_writepage(struct page *page, struct writeback_control *wbc) { return block_write_full_page(page,ufs_getfrag_block,wbc); } + static int ufs_readpage(struct file *file, struct page *page) { return block_read_full_page(page,ufs_getfrag_block); } -static int ufs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) + +int __ufs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { - return block_prepare_write(page,from,to,ufs_getfrag_block); + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + ufs_getfrag_block); } + +static int ufs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) +{ + *pagep = NULL; + return __ufs_write_begin(file, mapping, pos, len, flags, pagep, fsdata); +} + static sector_t ufs_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,ufs_getfrag_block); } + const struct address_space_operations ufs_aops = { .readpage = ufs_readpage, .writepage = ufs_writepage, .sync_page = block_sync_page, - .prepare_write = ufs_prepare_write, - .commit_write = generic_commit_write, + .write_begin = ufs_write_begin, + .write_end = generic_write_end, .bmap = ufs_bmap }; diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index a059ccd064e..d8bfbee2fe2 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -31,7 +31,7 @@ #include <linux/fs.h> #include <linux/ufs_fs.h> #include <linux/smp_lock.h> -#include "swab.h" /* will go away - see comment in mknod() */ +#include "ufs.h" #include "util.h" static inline int ufs_add_nondir(struct dentry *dentry, struct inode *inode) @@ -110,7 +110,6 @@ static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t err = PTR_ERR(inode); if (!IS_ERR(inode)) { init_special_inode(inode, mode, rdev); - /* NOTE: that'll go when we get wide dev_t */ ufs_set_inode_dev(inode->i_sb, UFS_I(inode), rdev); mark_inode_dirty(inode); lock_kernel(); diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 38eb0b7a1f3..584cf12cc40 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -88,7 +88,10 @@ #include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/log2.h> +#include <linux/mount.h> +#include <linux/seq_file.h> +#include "ufs.h" #include "swab.h" #include "util.h" @@ -286,16 +289,28 @@ void ufs_warning (struct super_block * sb, const char * function, } enum { - Opt_type_old, Opt_type_sunx86, Opt_type_sun, Opt_type_44bsd, - Opt_type_ufs2, Opt_type_hp, Opt_type_nextstepcd, Opt_type_nextstep, - Opt_type_openstep, Opt_onerror_panic, Opt_onerror_lock, - Opt_onerror_umount, Opt_onerror_repair, Opt_err + Opt_type_old = UFS_MOUNT_UFSTYPE_OLD, + Opt_type_sunx86 = UFS_MOUNT_UFSTYPE_SUNx86, + Opt_type_sun = UFS_MOUNT_UFSTYPE_SUN, + Opt_type_sunos = UFS_MOUNT_UFSTYPE_SUNOS, + Opt_type_44bsd = UFS_MOUNT_UFSTYPE_44BSD, + Opt_type_ufs2 = UFS_MOUNT_UFSTYPE_UFS2, + Opt_type_hp = UFS_MOUNT_UFSTYPE_HP, + Opt_type_nextstepcd = UFS_MOUNT_UFSTYPE_NEXTSTEP_CD, + Opt_type_nextstep = UFS_MOUNT_UFSTYPE_NEXTSTEP, + Opt_type_openstep = UFS_MOUNT_UFSTYPE_OPENSTEP, + Opt_onerror_panic = UFS_MOUNT_ONERROR_PANIC, + Opt_onerror_lock = UFS_MOUNT_ONERROR_LOCK, + Opt_onerror_umount = UFS_MOUNT_ONERROR_UMOUNT, + Opt_onerror_repair = UFS_MOUNT_ONERROR_REPAIR, + Opt_err }; static match_table_t tokens = { {Opt_type_old, "ufstype=old"}, {Opt_type_sunx86, "ufstype=sunx86"}, {Opt_type_sun, "ufstype=sun"}, + {Opt_type_sunos, "ufstype=sunos"}, {Opt_type_44bsd, "ufstype=44bsd"}, {Opt_type_ufs2, "ufstype=ufs2"}, {Opt_type_ufs2, "ufstype=5xbsd"}, @@ -303,6 +318,7 @@ static match_table_t tokens = { {Opt_type_nextstepcd, "ufstype=nextstep-cd"}, {Opt_type_nextstep, "ufstype=nextstep"}, {Opt_type_openstep, "ufstype=openstep"}, +/*end of possible ufs types */ {Opt_onerror_panic, "onerror=panic"}, {Opt_onerror_lock, "onerror=lock"}, {Opt_onerror_umount, "onerror=umount"}, @@ -339,6 +355,10 @@ static int ufs_parse_options (char * options, unsigned * mount_options) ufs_clear_opt (*mount_options, UFSTYPE); ufs_set_opt (*mount_options, UFSTYPE_SUN); break; + case Opt_type_sunos: + ufs_clear_opt(*mount_options, UFSTYPE); + ufs_set_opt(*mount_options, UFSTYPE_SUNOS); + break; case Opt_type_44bsd: ufs_clear_opt (*mount_options, UFSTYPE); ufs_set_opt (*mount_options, UFSTYPE_44BSD); @@ -654,8 +674,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) ufs_set_opt (sbi->s_mount_opt, UFSTYPE_OLD); } - sbi->s_uspi = uspi = - kmalloc (sizeof(struct ufs_sb_private_info), GFP_KERNEL); + uspi = kzalloc(sizeof(struct ufs_sb_private_info), GFP_KERNEL); + sbi->s_uspi = uspi; if (!uspi) goto failed; uspi->s_dirblksize = UFS_SECTOR_SIZE; @@ -692,10 +712,22 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) uspi->s_fshift = 10; uspi->s_sbsize = super_block_size = 2048; uspi->s_sbbase = 0; - uspi->s_maxsymlinklen = 56; + uspi->s_maxsymlinklen = 0; /* Not supported on disk */ flags |= UFS_DE_OLD | UFS_UID_EFT | UFS_ST_SUN | UFS_CG_SUN; break; + case UFS_MOUNT_UFSTYPE_SUNOS: + UFSD(("ufstype=sunos\n")) + uspi->s_fsize = block_size = 1024; + uspi->s_fmask = ~(1024 - 1); + uspi->s_fshift = 10; + uspi->s_sbsize = 2048; + super_block_size = 2048; + uspi->s_sbbase = 0; + uspi->s_maxsymlinklen = 0; /* Not supported on disk */ + flags |= UFS_DE_OLD | UFS_UID_OLD | UFS_ST_SUNOS | UFS_CG_SUN; + break; + case UFS_MOUNT_UFSTYPE_SUNx86: UFSD("ufstype=sunx86\n"); uspi->s_fsize = block_size = 1024; @@ -703,7 +735,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) uspi->s_fshift = 10; uspi->s_sbsize = super_block_size = 2048; uspi->s_sbbase = 0; - uspi->s_maxsymlinklen = 56; + uspi->s_maxsymlinklen = 0; /* Not supported on disk */ flags |= UFS_DE_OLD | UFS_UID_EFT | UFS_ST_SUNx86 | UFS_CG_SUN; break; @@ -805,11 +837,18 @@ again: if (!ubh) goto failed; - usb1 = ubh_get_usb_first(uspi); usb2 = ubh_get_usb_second(uspi); usb3 = ubh_get_usb_third(uspi); + /* Sort out mod used on SunOS 4.1.3 for fs_state */ + uspi->s_postblformat = fs32_to_cpu(sb, usb3->fs_postblformat); + if (((flags & UFS_ST_MASK) == UFS_ST_SUNOS) && + (uspi->s_postblformat != UFS_42POSTBLFMT)) { + flags &= ~UFS_ST_MASK; + flags |= UFS_ST_SUN; + } + /* * Check ufs magic number */ @@ -894,18 +933,20 @@ magic_found: goto again; } - sbi->s_flags = flags;/*after that line some functions use s_flags*/ + /* Set sbi->s_flags here, used by ufs_get_fs_state() below */ + sbi->s_flags = flags; ufs_print_super_stuff(sb, usb1, usb2, usb3); /* * Check, if file system was correctly unmounted. * If not, make it read only. */ - if (((flags & UFS_ST_MASK) == UFS_ST_44BSD) || - ((flags & UFS_ST_MASK) == UFS_ST_OLD) || - (((flags & UFS_ST_MASK) == UFS_ST_SUN || - (flags & UFS_ST_MASK) == UFS_ST_SUNx86) && - (ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time))))) { + if ((((flags & UFS_ST_MASK) == UFS_ST_44BSD) || + ((flags & UFS_ST_MASK) == UFS_ST_OLD) || + ((flags & UFS_ST_MASK) == UFS_ST_SUN) || + ((flags & UFS_ST_MASK) == UFS_ST_SUNOS) || + ((flags & UFS_ST_MASK) == UFS_ST_SUNx86)) && + (ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)))) { switch(usb1->fs_clean) { case UFS_FSCLEAN: UFSD("fs is clean\n"); @@ -995,7 +1036,6 @@ magic_found: uspi->s_contigsumsize = fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_contigsumsize); uspi->s_qbmask = ufs_get_fs_qbmask(sb, usb3); uspi->s_qfmask = ufs_get_fs_qfmask(sb, usb3); - uspi->s_postblformat = fs32_to_cpu(sb, usb3->fs_postblformat); uspi->s_nrpos = fs32_to_cpu(sb, usb3->fs_nrpos); uspi->s_postbloff = fs32_to_cpu(sb, usb3->fs_postbloff); uspi->s_rotbloff = fs32_to_cpu(sb, usb3->fs_rotbloff); @@ -1077,6 +1117,7 @@ static void ufs_write_super(struct super_block *sb) if (!(sb->s_flags & MS_RDONLY)) { usb1->fs_time = cpu_to_fs32(sb, get_seconds()); if ((flags & UFS_ST_MASK) == UFS_ST_SUN + || (flags & UFS_ST_MASK) == UFS_ST_SUNOS || (flags & UFS_ST_MASK) == UFS_ST_SUNx86) ufs_set_fs_state(sb, usb1, usb3, UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); @@ -1146,6 +1187,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufs_put_super_internal(sb); usb1->fs_time = cpu_to_fs32(sb, get_seconds()); if ((flags & UFS_ST_MASK) == UFS_ST_SUN + || (flags & UFS_ST_MASK) == UFS_ST_SUNOS || (flags & UFS_ST_MASK) == UFS_ST_SUNx86) ufs_set_fs_state(sb, usb1, usb3, UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); @@ -1162,6 +1204,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) return -EINVAL; #else if (ufstype != UFS_MOUNT_UFSTYPE_SUN && + ufstype != UFS_MOUNT_UFSTYPE_SUNOS && ufstype != UFS_MOUNT_UFSTYPE_44BSD && ufstype != UFS_MOUNT_UFSTYPE_SUNx86 && ufstype != UFS_MOUNT_UFSTYPE_UFS2) { @@ -1179,6 +1222,26 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) return 0; } +static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs) +{ + struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb); + unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE; + struct match_token *tp = tokens; + + while (tp->token != Opt_onerror_panic && tp->token != mval) + ++tp; + BUG_ON(tp->token == Opt_onerror_panic); + seq_printf(seq, ",%s", tp->pattern); + + mval = sbi->s_mount_opt & UFS_MOUNT_ONERROR; + while (tp->token != Opt_err && tp->token != mval) + ++tp; + BUG_ON(tp->token == Opt_err); + seq_printf(seq, ",%s", tp->pattern); + + return 0; +} + static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; @@ -1232,7 +1295,7 @@ static void ufs_destroy_inode(struct inode *inode) kmem_cache_free(ufs_inode_cachep, UFS_I(inode)); } -static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) +static void init_once(struct kmem_cache * cachep, void *foo) { struct ufs_inode_info *ei = (struct ufs_inode_info *) foo; @@ -1271,6 +1334,7 @@ static const struct super_operations ufs_super_ops = { .write_super = ufs_write_super, .statfs = ufs_statfs, .remount_fs = ufs_remount, + .show_options = ufs_show_options, #ifdef CONFIG_QUOTA .quota_read = ufs_quota_read, .quota_write = ufs_quota_write, diff --git a/fs/ufs/symlink.c b/fs/ufs/symlink.c index d8549f807e8..43ac10e75a4 100644 --- a/fs/ufs/symlink.c +++ b/fs/ufs/symlink.c @@ -28,6 +28,8 @@ #include <linux/fs.h> #include <linux/namei.h> #include <linux/ufs_fs.h> +#include "ufs.h" + static void *ufs_follow_link(struct dentry *dentry, struct nameidata *nd) { diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c index 79c54c85fb5..311ded34c2b 100644 --- a/fs/ufs/truncate.c +++ b/fs/ufs/truncate.c @@ -46,6 +46,7 @@ #include <linux/blkdev.h> #include <linux/sched.h> +#include "ufs.h" #include "swab.h" #include "util.h" diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h new file mode 100644 index 00000000000..7faa4cd71a2 --- /dev/null +++ b/fs/ufs/ufs.h @@ -0,0 +1,157 @@ +#ifndef _UFS_UFS_H +#define _UFS_UFS_H 1 + +#define UFS_MAX_GROUP_LOADED 8 +#define UFS_CGNO_EMPTY ((unsigned)-1) + +struct ufs_sb_private_info; +struct ufs_cg_private_info; +struct ufs_csum; + +struct ufs_sb_info { + struct ufs_sb_private_info * s_uspi; + struct ufs_csum * s_csp; + unsigned s_bytesex; + unsigned s_flags; + struct buffer_head ** s_ucg; + struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED]; + unsigned s_cgno[UFS_MAX_GROUP_LOADED]; + unsigned short s_cg_loaded; + unsigned s_mount_opt; +}; + +struct ufs_inode_info { + union { + __fs32 i_data[15]; + __u8 i_symlink[4*15]; + __fs64 u2_i_data[15]; + } i_u1; + __u32 i_flags; + __u32 i_shadow; + __u32 i_unused1; + __u32 i_unused2; + __u32 i_oeftflag; + __u16 i_osync; + __u64 i_lastfrag; + __u32 i_dir_start_lookup; + struct inode vfs_inode; +}; + +/* mount options */ +#define UFS_MOUNT_ONERROR 0x0000000F +#define UFS_MOUNT_ONERROR_PANIC 0x00000001 +#define UFS_MOUNT_ONERROR_LOCK 0x00000002 +#define UFS_MOUNT_ONERROR_UMOUNT 0x00000004 +#define UFS_MOUNT_ONERROR_REPAIR 0x00000008 + +#define UFS_MOUNT_UFSTYPE 0x0000FFF0 +#define UFS_MOUNT_UFSTYPE_OLD 0x00000010 +#define UFS_MOUNT_UFSTYPE_44BSD 0x00000020 +#define UFS_MOUNT_UFSTYPE_SUN 0x00000040 +#define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080 +#define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100 +#define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200 +#define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400 +#define UFS_MOUNT_UFSTYPE_HP 0x00000800 +#define UFS_MOUNT_UFSTYPE_UFS2 0x00001000 +#define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000 + +#define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt +#define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt +#define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt) + +/* + * Debug code + */ +#ifdef CONFIG_UFS_DEBUG +# define UFSD(f, a...) { \ + printk ("UFSD (%s, %d): %s:", \ + __FILE__, __LINE__, __FUNCTION__); \ + printk (f, ## a); \ + } +#else +# define UFSD(f, a...) /**/ +#endif + +/* balloc.c */ +extern void ufs_free_fragments (struct inode *, u64, unsigned); +extern void ufs_free_blocks (struct inode *, u64, unsigned); +extern u64 ufs_new_fragments(struct inode *, void *, u64, u64, + unsigned, int *, struct page *); + +/* cylinder.c */ +extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned); +extern void ufs_put_cylinder (struct super_block *, unsigned); + +/* dir.c */ +extern const struct inode_operations ufs_dir_inode_operations; +extern int ufs_add_link (struct dentry *, struct inode *); +extern ino_t ufs_inode_by_name(struct inode *, struct dentry *); +extern int ufs_make_empty(struct inode *, struct inode *); +extern struct ufs_dir_entry *ufs_find_entry(struct inode *, struct dentry *, struct page **); +extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *); +extern int ufs_empty_dir (struct inode *); +extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **); +extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, + struct page *page, struct inode *inode); + +/* file.c */ +extern const struct inode_operations ufs_file_inode_operations; +extern const struct file_operations ufs_file_operations; + +extern const struct address_space_operations ufs_aops; + +/* ialloc.c */ +extern void ufs_free_inode (struct inode *inode); +extern struct inode * ufs_new_inode (struct inode *, int); + +/* inode.c */ +extern void ufs_read_inode (struct inode *); +extern void ufs_put_inode (struct inode *); +extern int ufs_write_inode (struct inode *, int); +extern int ufs_sync_inode (struct inode *); +extern void ufs_delete_inode (struct inode *); +extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *); +extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create); + +/* namei.c */ +extern const struct file_operations ufs_dir_operations; + +/* super.c */ +extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); +extern void ufs_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); +extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); + +/* symlink.c */ +extern const struct inode_operations ufs_fast_symlink_inode_operations; + +/* truncate.c */ +extern int ufs_truncate (struct inode *, loff_t); + +static inline struct ufs_sb_info *UFS_SB(struct super_block *sb) +{ + return sb->s_fs_info; +} + +static inline struct ufs_inode_info *UFS_I(struct inode *inode) +{ + return container_of(inode, struct ufs_inode_info, vfs_inode); +} + +/* + * Give cylinder group number for a file system block. + * Give cylinder group block number for a file system block. + */ +/* #define ufs_dtog(d) ((d) / uspi->s_fpg) */ +static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b) +{ + do_div(b, uspi->s_fpg); + return b; +} +/* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */ +static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b) +{ + return do_div(b, uspi->s_fpg); +} + +#endif /* _UFS_UFS_H */ diff --git a/fs/ufs/util.c b/fs/ufs/util.c index 84357f1ff0e..410084dae38 100644 --- a/fs/ufs/util.c +++ b/fs/ufs/util.c @@ -11,6 +11,7 @@ #include <linux/ufs_fs.h> #include <linux/buffer_head.h> +#include "ufs.h" #include "swab.h" #include "util.h" diff --git a/fs/ufs/util.h b/fs/ufs/util.h index 06d344839c4..b26fc4dec1e 100644 --- a/fs/ufs/util.h +++ b/fs/ufs/util.h @@ -38,6 +38,10 @@ ufs_get_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1, struct ufs_super_block_third *usb3) { switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) { + case UFS_ST_SUNOS: + if (fs32_to_cpu(sb, usb3->fs_postblformat) == UFS_42POSTBLFMT) + return fs32_to_cpu(sb, usb1->fs_u0.fs_sun.fs_state); + /* Fall Through to UFS_ST_SUN */ case UFS_ST_SUN: return fs32_to_cpu(sb, usb3->fs_un2.fs_sun.fs_state); case UFS_ST_SUNx86: @@ -53,6 +57,12 @@ ufs_set_fs_state(struct super_block *sb, struct ufs_super_block_first *usb1, struct ufs_super_block_third *usb3, s32 value) { switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) { + case UFS_ST_SUNOS: + if (fs32_to_cpu(sb, usb3->fs_postblformat == UFS_42POSTBLFMT)) { + usb1->fs_u0.fs_sun.fs_state = cpu_to_fs32(sb, value); + break; + } + /* Fall Through to UFS_ST_SUN */ case UFS_ST_SUN: usb3->fs_un2.fs_sun.fs_state = cpu_to_fs32(sb, value); break; @@ -81,6 +91,7 @@ ufs_get_fs_qbmask(struct super_block *sb, struct ufs_super_block_third *usb3) __fs64 tmp; switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) { + case UFS_ST_SUNOS: case UFS_ST_SUN: ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sun.fs_qbmask[0]; ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sun.fs_qbmask[1]; @@ -104,6 +115,7 @@ ufs_get_fs_qfmask(struct super_block *sb, struct ufs_super_block_third *usb3) __fs64 tmp; switch (UFS_SB(sb)->s_flags & UFS_ST_MASK) { + case UFS_ST_SUNOS: case UFS_ST_SUN: ((__fs32 *)&tmp)[0] = usb3->fs_un2.fs_sun.fs_qfmask[0]; ((__fs32 *)&tmp)[1] = usb3->fs_un2.fs_sun.fs_qfmask[1]; @@ -179,10 +191,12 @@ static inline u32 ufs_get_inode_uid(struct super_block *sb, struct ufs_inode *inode) { switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) { - case UFS_UID_EFT: - return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid); case UFS_UID_44BSD: return fs32_to_cpu(sb, inode->ui_u3.ui_44.ui_uid); + case UFS_UID_EFT: + if (inode->ui_u1.oldids.ui_suid == 0xFFFF) + return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_uid); + /* Fall through */ default: return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_suid); } @@ -192,24 +206,31 @@ static inline void ufs_set_inode_uid(struct super_block *sb, struct ufs_inode *inode, u32 value) { switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) { - case UFS_UID_EFT: - inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value); - break; case UFS_UID_44BSD: inode->ui_u3.ui_44.ui_uid = cpu_to_fs32(sb, value); + inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value); + break; + case UFS_UID_EFT: + inode->ui_u3.ui_sun.ui_uid = cpu_to_fs32(sb, value); + if (value > 0xFFFF) + value = 0xFFFF; + /* Fall through */ + default: + inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value); break; } - inode->ui_u1.oldids.ui_suid = cpu_to_fs16(sb, value); } static inline u32 ufs_get_inode_gid(struct super_block *sb, struct ufs_inode *inode) { switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) { - case UFS_UID_EFT: - return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid); case UFS_UID_44BSD: return fs32_to_cpu(sb, inode->ui_u3.ui_44.ui_gid); + case UFS_UID_EFT: + if (inode->ui_u1.oldids.ui_suid == 0xFFFF) + return fs32_to_cpu(sb, inode->ui_u3.ui_sun.ui_gid); + /* Fall through */ default: return fs16_to_cpu(sb, inode->ui_u1.oldids.ui_sgid); } @@ -219,18 +240,26 @@ static inline void ufs_set_inode_gid(struct super_block *sb, struct ufs_inode *inode, u32 value) { switch (UFS_SB(sb)->s_flags & UFS_UID_MASK) { - case UFS_UID_EFT: - inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value); - break; case UFS_UID_44BSD: inode->ui_u3.ui_44.ui_gid = cpu_to_fs32(sb, value); + inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value); + break; + case UFS_UID_EFT: + inode->ui_u3.ui_sun.ui_gid = cpu_to_fs32(sb, value); + if (value > 0xFFFF) + value = 0xFFFF; + /* Fall through */ + default: + inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value); break; } - inode->ui_u1.oldids.ui_sgid = cpu_to_fs16(sb, value); } extern dev_t ufs_get_inode_dev(struct super_block *, struct ufs_inode_info *); extern void ufs_set_inode_dev(struct super_block *, struct ufs_inode_info *, dev_t); +extern int __ufs_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata); /* * These functions manipulate ufs buffers diff --git a/fs/utimes.c b/fs/utimes.c index 682eb63b20a..b9912ecbee2 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -38,6 +38,14 @@ asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times) #endif +static bool nsec_valid(long nsec) +{ + if (nsec == UTIME_OMIT || nsec == UTIME_NOW) + return true; + + return nsec >= 0 && nsec <= 999999999; +} + /* If times==NULL, set access and modification to current time, * must be owner or have write permission. * Else, update from *times, must be owner or super user. @@ -52,6 +60,11 @@ long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags struct file *f = NULL; error = -EINVAL; + if (times && (!nsec_valid(times[0].tv_nsec) || + !nsec_valid(times[1].tv_nsec))) { + goto out; + } + if (flags & ~AT_SYMLINK_NOFOLLOW) goto out; diff --git a/fs/xfs/Makefile-linux-2.6 b/fs/xfs/Makefile-linux-2.6 index e7a9a83f008..d1491aa7a0e 100644 --- a/fs/xfs/Makefile-linux-2.6 +++ b/fs/xfs/Makefile-linux-2.6 @@ -49,7 +49,6 @@ xfs-y += xfs_alloc.o \ xfs_alloc_btree.o \ xfs_attr.o \ xfs_attr_leaf.o \ - xfs_behavior.o \ xfs_bit.o \ xfs_bmap.o \ xfs_bmap_btree.o \ @@ -108,13 +107,11 @@ xfs-y += $(addprefix $(XFS_LINUX)/, \ xfs_iops.o \ xfs_lrw.o \ xfs_super.o \ - xfs_vfs.o \ xfs_vnode.o) # Objects in support/ xfs-y += $(addprefix support/, \ debug.o \ - move.o \ uuid.o) xfs-$(CONFIG_XFS_TRACE) += support/ktrace.o diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h index e6ea293f303..5e956490297 100644 --- a/fs/xfs/linux-2.6/kmem.h +++ b/fs/xfs/linux-2.6/kmem.h @@ -79,7 +79,7 @@ kmem_zone_init(int size, char *zone_name) static inline kmem_zone_t * kmem_zone_init_flags(int size, char *zone_name, unsigned long flags, - void (*construct)(void *, kmem_zone_t *, unsigned long)) + void (*construct)(kmem_zone_t *, void *)) { return kmem_cache_create(zone_name, size, 0, flags, construct); } diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 6f4c29e9c3d..2e34b104107 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -37,6 +37,7 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_iomap.h" +#include "xfs_vnodeops.h" #include <linux/mpage.h> #include <linux/pagevec.h> #include <linux/writeback.h> @@ -139,9 +140,11 @@ xfs_destroy_ioend( next = bh->b_private; bh->b_end_io(bh, !ioend->io_error); } - if (unlikely(ioend->io_error)) - vn_ioerror(ioend->io_vnode, ioend->io_error, __FILE__,__LINE__); - vn_iowake(ioend->io_vnode); + if (unlikely(ioend->io_error)) { + vn_ioerror(XFS_I(ioend->io_inode), ioend->io_error, + __FILE__,__LINE__); + } + vn_iowake(XFS_I(ioend->io_inode)); mempool_free(ioend, xfs_ioend_pool); } @@ -156,14 +159,10 @@ STATIC void xfs_setfilesize( xfs_ioend_t *ioend) { - xfs_inode_t *ip; + xfs_inode_t *ip = XFS_I(ioend->io_inode); xfs_fsize_t isize; xfs_fsize_t bsize; - ip = xfs_vtoi(ioend->io_vnode); - if (!ip) - return; - ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG); ASSERT(ioend->io_type != IOMAP_READ); @@ -181,7 +180,7 @@ xfs_setfilesize( ip->i_d.di_size = isize; ip->i_update_core = 1; ip->i_update_size = 1; - mark_inode_dirty_sync(vn_to_inode(ioend->io_vnode)); + mark_inode_dirty_sync(ioend->io_inode); } xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -227,12 +226,12 @@ xfs_end_bio_unwritten( { xfs_ioend_t *ioend = container_of(work, xfs_ioend_t, io_work); - bhv_vnode_t *vp = ioend->io_vnode; xfs_off_t offset = ioend->io_offset; size_t size = ioend->io_size; if (likely(!ioend->io_error)) { - bhv_vop_bmap(vp, offset, size, BMAPI_UNWRITTEN, NULL, NULL); + xfs_bmap(XFS_I(ioend->io_inode), offset, size, + BMAPI_UNWRITTEN, NULL, NULL); xfs_setfilesize(ioend); } xfs_destroy_ioend(ioend); @@ -275,10 +274,10 @@ xfs_alloc_ioend( ioend->io_error = 0; ioend->io_list = NULL; ioend->io_type = type; - ioend->io_vnode = vn_from_inode(inode); + ioend->io_inode = inode; ioend->io_buffer_head = NULL; ioend->io_buffer_tail = NULL; - atomic_inc(&ioend->io_vnode->v_iocount); + atomic_inc(&XFS_I(ioend->io_inode)->i_iocount); ioend->io_offset = 0; ioend->io_size = 0; @@ -302,12 +301,13 @@ xfs_map_blocks( xfs_iomap_t *mapp, int flags) { - bhv_vnode_t *vp = vn_from_inode(inode); + xfs_inode_t *ip = XFS_I(inode); int error, nmaps = 1; - error = bhv_vop_bmap(vp, offset, count, flags, mapp, &nmaps); + error = xfs_bmap(ip, offset, count, + flags, mapp, &nmaps); if (!error && (flags & (BMAPI_WRITE|BMAPI_ALLOCATE))) - VMODIFY(vp); + xfs_iflags_set(ip, XFS_IMODIFIED); return -error; } @@ -402,10 +402,9 @@ xfs_start_page_writeback( clear_page_dirty_for_io(page); set_page_writeback(page); unlock_page(page); - if (!buffers) { + /* If no buffers on the page are to be written, finish it here */ + if (!buffers) end_page_writeback(page); - wbc->pages_skipped++; /* We didn't write this page */ - } } static inline int bio_add_buffer(struct bio *bio, struct buffer_head *bh) @@ -498,7 +497,7 @@ xfs_cancel_ioend( unlock_buffer(bh); } while ((bh = next_bh) != NULL); - vn_iowake(ioend->io_vnode); + vn_iowake(XFS_I(ioend->io_inode)); mempool_free(ioend, xfs_ioend_pool); } while ((ioend = next) != NULL); } @@ -1238,10 +1237,7 @@ xfs_vm_writepages( struct address_space *mapping, struct writeback_control *wbc) { - struct bhv_vnode *vp = vn_from_inode(mapping->host); - - if (VN_TRUNC(vp)) - VUNTRUNCATE(vp); + xfs_iflags_clear(XFS_I(mapping->host), XFS_ITRUNCATED); return generic_writepages(mapping, wbc); } @@ -1318,7 +1314,6 @@ __xfs_get_blocks( int direct, bmapi_flags_t flags) { - bhv_vnode_t *vp = vn_from_inode(inode); xfs_iomap_t iomap; xfs_off_t offset; ssize_t size; @@ -1328,7 +1323,7 @@ __xfs_get_blocks( offset = (xfs_off_t)iblock << inode->i_blkbits; ASSERT(bh_result->b_size >= (1 << inode->i_blkbits)); size = bh_result->b_size; - error = bhv_vop_bmap(vp, offset, size, + error = xfs_bmap(XFS_I(inode), offset, size, create ? flags : BMAPI_READ, &iomap, &niomap); if (error) return -error; @@ -1476,13 +1471,13 @@ xfs_vm_direct_IO( { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - bhv_vnode_t *vp = vn_from_inode(inode); xfs_iomap_t iomap; int maps = 1; int error; ssize_t ret; - error = bhv_vop_bmap(vp, offset, 0, BMAPI_DEVICE, &iomap, &maps); + error = xfs_bmap(XFS_I(inode), offset, 0, + BMAPI_DEVICE, &iomap, &maps); if (error) return -error; @@ -1508,13 +1503,18 @@ xfs_vm_direct_IO( } STATIC int -xfs_vm_prepare_write( +xfs_vm_write_begin( struct file *file, - struct page *page, - unsigned int from, - unsigned int to) + struct address_space *mapping, + loff_t pos, + unsigned len, + unsigned flags, + struct page **pagep, + void **fsdata) { - return block_prepare_write(page, from, to, xfs_get_blocks); + *pagep = NULL; + return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata, + xfs_get_blocks); } STATIC sector_t @@ -1523,12 +1523,13 @@ xfs_vm_bmap( sector_t block) { struct inode *inode = (struct inode *)mapping->host; - bhv_vnode_t *vp = vn_from_inode(inode); + struct xfs_inode *ip = XFS_I(inode); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - bhv_vop_rwlock(vp, VRWLOCK_READ); - bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF); - bhv_vop_rwunlock(vp, VRWLOCK_READ); + vn_trace_entry(XFS_I(inode), __FUNCTION__, + (inst_t *)__return_address); + xfs_rwlock(ip, VRWLOCK_READ); + xfs_flush_pages(ip, (xfs_off_t)0, -1, 0, FI_REMAPF); + xfs_rwunlock(ip, VRWLOCK_READ); return generic_block_bmap(mapping, block, xfs_get_blocks); } @@ -1568,8 +1569,8 @@ const struct address_space_operations xfs_address_space_operations = { .sync_page = block_sync_page, .releasepage = xfs_vm_releasepage, .invalidatepage = xfs_vm_invalidatepage, - .prepare_write = xfs_vm_prepare_write, - .commit_write = generic_commit_write, + .write_begin = xfs_vm_write_begin, + .write_end = generic_write_end, .bmap = xfs_vm_bmap, .direct_IO = xfs_vm_direct_IO, .migratepage = buffer_migrate_page, diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h index 2244e516b66..3ba0631a381 100644 --- a/fs/xfs/linux-2.6/xfs_aops.h +++ b/fs/xfs/linux-2.6/xfs_aops.h @@ -32,7 +32,7 @@ typedef struct xfs_ioend { unsigned int io_type; /* delalloc / unwritten */ int io_error; /* I/O error code */ atomic_t io_remaining; /* hold count */ - struct bhv_vnode *io_vnode; /* file being written to */ + struct inode *io_inode; /* file being written to */ struct buffer_head *io_buffer_head;/* buffer linked list head */ struct buffer_head *io_buffer_tail;/* buffer linked list tail */ size_t io_size; /* size of the extent */ diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 39f44ee572e..b9c8589e05c 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -187,6 +187,19 @@ free_address( { a_list_t *aentry; +#ifdef CONFIG_XEN + /* + * Xen needs to be able to make sure it can get an exclusive + * RO mapping of pages it wants to turn into a pagetable. If + * a newly allocated page is also still being vmap()ed by xfs, + * it will cause pagetable construction to fail. This is a + * quick workaround to always eagerly unmap pages so that Xen + * is happy. + */ + vunmap(addr); + return; +#endif + aentry = kmalloc(sizeof(a_list_t), GFP_NOWAIT); if (likely(aentry)) { spin_lock(&as_lock); @@ -997,7 +1010,18 @@ xfs_buf_iodone_work( xfs_buf_t *bp = container_of(work, xfs_buf_t, b_iodone_work); - if (bp->b_iodone) + /* + * We can get an EOPNOTSUPP to ordered writes. Here we clear the + * ordered flag and reissue them. Because we can't tell the higher + * layers directly that they should not issue ordered I/O anymore, they + * need to check if the ordered flag was cleared during I/O completion. + */ + if ((bp->b_error == EOPNOTSUPP) && + (bp->b_flags & (XBF_ORDERED|XBF_ASYNC)) == (XBF_ORDERED|XBF_ASYNC)) { + XB_TRACE(bp, "ordered_retry", bp->b_iodone); + bp->b_flags &= ~XBF_ORDERED; + xfs_buf_iorequest(bp); + } else if (bp->b_iodone) (*(bp->b_iodone))(bp); else if (bp->b_flags & XBF_ASYNC) xfs_buf_relse(bp); diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index e3a5fedac1b..726449d4fd2 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -17,12 +17,18 @@ */ #include "xfs.h" #include "xfs_types.h" -#include "xfs_dmapi.h" +#include "xfs_inum.h" #include "xfs_log.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" +#include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_export.h" +#include "xfs_vnodeops.h" +#include "xfs_bmap_btree.h" +#include "xfs_inode.h" +#include "xfs_vfsops.h" static struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, }; @@ -96,9 +102,7 @@ xfs_fs_encode_fh( int len; int is64 = 0; #if XFS_BIG_INUMS - bhv_vfs_t *vfs = vfs_from_sb(inode->i_sb); - - if (!(vfs->vfs_flag & VFS_32BITINODES)) { + if (!(XFS_M(inode->i_sb)->m_flags & XFS_MOUNT_SMALL_INUMS)) { /* filesystem may contain 64bit inode numbers */ is64 = XFS_FILEID_TYPE_64FLAG; } @@ -138,10 +142,9 @@ xfs_fs_get_dentry( bhv_vnode_t *vp; struct inode *inode; struct dentry *result; - bhv_vfs_t *vfsp = vfs_from_sb(sb); int error; - error = bhv_vfs_vget(vfsp, &vp, (fid_t *)data); + error = xfs_vget(XFS_M(sb), &vp, (fid_t *)data); if (error || vp == NULL) return ERR_PTR(-ESTALE) ; @@ -159,12 +162,11 @@ xfs_fs_get_parent( struct dentry *child) { int error; - bhv_vnode_t *vp, *cvp; + bhv_vnode_t *cvp; struct dentry *parent; cvp = NULL; - vp = vn_from_inode(child->d_inode); - error = bhv_vop_lookup(vp, &dotdot, &cvp, 0, NULL, NULL); + error = xfs_lookup(XFS_I(child->d_inode), &dotdot, &cvp); if (unlikely(error)) return ERR_PTR(-error); diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index 0d4001eafd1..fb8dd34041e 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -37,6 +37,7 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_ioctl32.h" +#include "xfs_vnodeops.h" #include <linux/dcache.h> #include <linux/smp_lock.h> @@ -55,13 +56,12 @@ __xfs_file_read( loff_t pos) { struct file *file = iocb->ki_filp; - bhv_vnode_t *vp = vn_from_inode(file->f_path.dentry->d_inode); BUG_ON(iocb->ki_pos != pos); if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - return bhv_vop_read(vp, iocb, iov, nr_segs, &iocb->ki_pos, - ioflags, NULL); + return xfs_read(XFS_I(file->f_path.dentry->d_inode), iocb, iov, + nr_segs, &iocb->ki_pos, ioflags); } STATIC ssize_t @@ -93,14 +93,12 @@ __xfs_file_write( loff_t pos) { struct file *file = iocb->ki_filp; - struct inode *inode = file->f_mapping->host; - bhv_vnode_t *vp = vn_from_inode(inode); BUG_ON(iocb->ki_pos != pos); if (unlikely(file->f_flags & O_DIRECT)) ioflags |= IO_ISDIRECT; - return bhv_vop_write(vp, iocb, iov, nr_segs, &iocb->ki_pos, - ioflags, NULL); + return xfs_write(XFS_I(file->f_mapping->host), iocb, iov, nr_segs, + &iocb->ki_pos, ioflags); } STATIC ssize_t @@ -131,8 +129,8 @@ xfs_file_splice_read( size_t len, unsigned int flags) { - return bhv_vop_splice_read(vn_from_inode(infilp->f_path.dentry->d_inode), - infilp, ppos, pipe, len, flags, 0, NULL); + return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode), + infilp, ppos, pipe, len, flags, 0); } STATIC ssize_t @@ -143,9 +141,8 @@ xfs_file_splice_read_invis( size_t len, unsigned int flags) { - return bhv_vop_splice_read(vn_from_inode(infilp->f_path.dentry->d_inode), - infilp, ppos, pipe, len, flags, IO_INVIS, - NULL); + return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode), + infilp, ppos, pipe, len, flags, IO_INVIS); } STATIC ssize_t @@ -156,8 +153,8 @@ xfs_file_splice_write( size_t len, unsigned int flags) { - return bhv_vop_splice_write(vn_from_inode(outfilp->f_path.dentry->d_inode), - pipe, outfilp, ppos, len, flags, 0, NULL); + return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode), + pipe, outfilp, ppos, len, flags, 0); } STATIC ssize_t @@ -168,9 +165,8 @@ xfs_file_splice_write_invis( size_t len, unsigned int flags) { - return bhv_vop_splice_write(vn_from_inode(outfilp->f_path.dentry->d_inode), - pipe, outfilp, ppos, len, flags, IO_INVIS, - NULL); + return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode), + pipe, outfilp, ppos, len, flags, IO_INVIS); } STATIC int @@ -180,7 +176,7 @@ xfs_file_open( { if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) return -EFBIG; - return -bhv_vop_open(vn_from_inode(inode), NULL); + return -xfs_open(XFS_I(inode)); } STATIC int @@ -188,11 +184,7 @@ xfs_file_release( struct inode *inode, struct file *filp) { - bhv_vnode_t *vp = vn_from_inode(inode); - - if (vp) - return -bhv_vop_release(vp); - return 0; + return -xfs_release(XFS_I(inode)); } STATIC int @@ -201,14 +193,13 @@ xfs_file_fsync( struct dentry *dentry, int datasync) { - bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); int flags = FSYNC_WAIT; if (datasync) flags |= FSYNC_DATA; - if (VN_TRUNC(vp)) - VUNTRUNCATE(vp); - return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1); + xfs_iflags_clear(XFS_I(dentry->d_inode), XFS_ITRUNCATED); + return -xfs_fsync(XFS_I(dentry->d_inode), flags, + (xfs_off_t)0, (xfs_off_t)-1); } #ifdef CONFIG_XFS_DMAPI @@ -233,74 +224,30 @@ xfs_file_readdir( void *dirent, filldir_t filldir) { - int error = 0; - bhv_vnode_t *vp = vn_from_inode(filp->f_path.dentry->d_inode); - uio_t uio; - iovec_t iov; - int eof = 0; - caddr_t read_buf; - int namelen, size = 0; - size_t rlen = PAGE_CACHE_SIZE; - xfs_off_t start_offset, curr_offset; - xfs_dirent_t *dbp = NULL; - - /* Try fairly hard to get memory */ - do { - if ((read_buf = kmalloc(rlen, GFP_KERNEL))) - break; - rlen >>= 1; - } while (rlen >= 1024); - - if (read_buf == NULL) - return -ENOMEM; - - uio.uio_iov = &iov; - uio.uio_segflg = UIO_SYSSPACE; - curr_offset = filp->f_pos; - if (filp->f_pos != 0x7fffffff) - uio.uio_offset = filp->f_pos; - else - uio.uio_offset = 0xffffffff; - - while (!eof) { - uio.uio_resid = iov.iov_len = rlen; - iov.iov_base = read_buf; - uio.uio_iovcnt = 1; - - start_offset = uio.uio_offset; - - error = bhv_vop_readdir(vp, &uio, NULL, &eof); - if ((uio.uio_offset == start_offset) || error) { - size = 0; - break; - } - - size = rlen - uio.uio_resid; - dbp = (xfs_dirent_t *)read_buf; - while (size > 0) { - namelen = strlen(dbp->d_name); - - if (filldir(dirent, dbp->d_name, namelen, - (loff_t) curr_offset & 0x7fffffff, - (ino_t) dbp->d_ino, - DT_UNKNOWN)) { - goto done; - } - size -= dbp->d_reclen; - curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */; - dbp = (xfs_dirent_t *)((char *)dbp + dbp->d_reclen); - } - } -done: - if (!error) { - if (size == 0) - filp->f_pos = uio.uio_offset & 0x7fffffff; - else if (dbp) - filp->f_pos = curr_offset; - } + struct inode *inode = filp->f_path.dentry->d_inode; + xfs_inode_t *ip = XFS_I(inode); + int error; + size_t bufsize; + + /* + * The Linux API doesn't pass down the total size of the buffer + * we read into down to the filesystem. With the filldir concept + * it's not needed for correct information, but the XFS dir2 leaf + * code wants an estimate of the buffer size to calculate it's + * readahead window and size the buffers used for mapping to + * physical blocks. + * + * Try to give it an estimate that's good enough, maybe at some + * point we can change the ->readdir prototype to include the + * buffer size. + */ + bufsize = (size_t)min_t(loff_t, PAGE_SIZE, inode->i_size); - kfree(read_buf); - return -error; + error = xfs_readdir(ip, dirent, bufsize, + (xfs_off_t *)&filp->f_pos, filldir); + if (error) + return -error; + return 0; } STATIC int @@ -312,7 +259,7 @@ xfs_file_mmap( vma->vm_flags |= VM_CAN_NONLINEAR; #ifdef CONFIG_XFS_DMAPI - if (vn_from_inode(filp->f_path.dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI) + if (XFS_M(filp->f_path.dentry->d_inode->i_sb)->m_flags & XFS_MOUNT_DMAPI) vma->vm_ops = &xfs_dmapi_file_vm_ops; #endif /* CONFIG_XFS_DMAPI */ @@ -328,10 +275,9 @@ xfs_file_ioctl( { int error; struct inode *inode = filp->f_path.dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); - error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p); - VMODIFY(vp); + error = xfs_ioctl(XFS_I(inode), filp, 0, cmd, (void __user *)p); + xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED); /* NOTE: some of the ioctl's return positive #'s as a * byte count indicating success, such as @@ -350,10 +296,9 @@ xfs_file_ioctl_invis( { int error; struct inode *inode = filp->f_path.dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); - error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p); - VMODIFY(vp); + error = xfs_ioctl(XFS_I(inode), filp, IO_INVIS, cmd, (void __user *)p); + xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED); /* NOTE: some of the ioctl's return positive #'s as a * byte count indicating success, such as @@ -371,16 +316,14 @@ xfs_vm_mprotect( struct vm_area_struct *vma, unsigned int newflags) { - bhv_vnode_t *vp = vn_from_inode(vma->vm_file->f_path.dentry->d_inode); + struct inode *inode = vma->vm_file->f_path.dentry->d_inode; + struct xfs_mount *mp = XFS_M(inode->i_sb); int error = 0; - if (vp->v_vfsp->vfs_flag & VFS_DMI) { + if (mp->m_flags & XFS_MOUNT_DMAPI) { if ((vma->vm_flags & VM_MAYSHARE) && - (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) { - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - + (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) error = XFS_SEND_MMAP(mp, vma, VM_WRITE); - } } return error; } @@ -397,18 +340,17 @@ STATIC int xfs_file_open_exec( struct inode *inode) { - bhv_vnode_t *vp = vn_from_inode(inode); + struct xfs_mount *mp = XFS_M(inode->i_sb); - if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) { - xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); - xfs_inode_t *ip = xfs_vtoi(vp); + if (unlikely(mp->m_flags & XFS_MOUNT_DMAPI)) { + if (DM_EVENT_ENABLED(XFS_I(inode), DM_EVENT_READ)) { + bhv_vnode_t *vp = vn_from_inode(inode); - if (!ip) - return -EINVAL; - if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) - return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, - 0, 0, 0, NULL); + return -XFS_SEND_DATA(mp, DM_EVENT_READ, + vp, 0, 0, 0, NULL); + } } + return 0; } #endif /* HAVE_FOP_OPEN_EXEC */ diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c index 2eb87cd082a..ac6d34cc355 100644 --- a/fs/xfs/linux-2.6/xfs_fs_subr.c +++ b/fs/xfs/linux-2.6/xfs_fs_subr.c @@ -16,66 +16,78 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "xfs.h" +#include "xfs_vnodeops.h" + +/* + * The following six includes are needed so that we can include + * xfs_inode.h. What a mess.. + */ +#include "xfs_bmap_btree.h" +#include "xfs_inum.h" +#include "xfs_dir2.h" +#include "xfs_dir2_sf.h" +#include "xfs_attr_sf.h" +#include "xfs_dinode.h" + +#include "xfs_inode.h" int fs_noerr(void) { return 0; } int fs_nosys(void) { return ENOSYS; } void fs_noval(void) { return; } void -fs_tosspages( - bhv_desc_t *bdp, +xfs_tosspages( + xfs_inode_t *ip, xfs_off_t first, xfs_off_t last, int fiopt) { - bhv_vnode_t *vp = BHV_TO_VNODE(bdp); - struct inode *ip = vn_to_inode(vp); + bhv_vnode_t *vp = XFS_ITOV(ip); + struct inode *inode = vn_to_inode(vp); if (VN_CACHED(vp)) - truncate_inode_pages(ip->i_mapping, first); + truncate_inode_pages(inode->i_mapping, first); } int -fs_flushinval_pages( - bhv_desc_t *bdp, +xfs_flushinval_pages( + xfs_inode_t *ip, xfs_off_t first, xfs_off_t last, int fiopt) { - bhv_vnode_t *vp = BHV_TO_VNODE(bdp); - struct inode *ip = vn_to_inode(vp); + bhv_vnode_t *vp = XFS_ITOV(ip); + struct inode *inode = vn_to_inode(vp); int ret = 0; if (VN_CACHED(vp)) { - if (VN_TRUNC(vp)) - VUNTRUNCATE(vp); - ret = filemap_write_and_wait(ip->i_mapping); + xfs_iflags_clear(ip, XFS_ITRUNCATED); + ret = filemap_write_and_wait(inode->i_mapping); if (!ret) - truncate_inode_pages(ip->i_mapping, first); + truncate_inode_pages(inode->i_mapping, first); } return ret; } int -fs_flush_pages( - bhv_desc_t *bdp, +xfs_flush_pages( + xfs_inode_t *ip, xfs_off_t first, xfs_off_t last, uint64_t flags, int fiopt) { - bhv_vnode_t *vp = BHV_TO_VNODE(bdp); - struct inode *ip = vn_to_inode(vp); + bhv_vnode_t *vp = XFS_ITOV(ip); + struct inode *inode = vn_to_inode(vp); int ret = 0; int ret2; if (VN_DIRTY(vp)) { - if (VN_TRUNC(vp)) - VUNTRUNCATE(vp); - ret = filemap_fdatawrite(ip->i_mapping); + xfs_iflags_clear(ip, XFS_ITRUNCATED); + ret = filemap_fdatawrite(inode->i_mapping); if (flags & XFS_B_ASYNC) return ret; - ret2 = filemap_fdatawait(ip->i_mapping); + ret2 = filemap_fdatawait(inode->i_mapping); if (!ret) ret = ret2; } diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.h b/fs/xfs/linux-2.6/xfs_fs_subr.h index c1b53118a30..82bb19b2599 100644 --- a/fs/xfs/linux-2.6/xfs_fs_subr.h +++ b/fs/xfs/linux-2.6/xfs_fs_subr.h @@ -18,12 +18,8 @@ #ifndef __XFS_FS_SUBR_H__ #define __XFS_FS_SUBR_H__ -struct cred; extern int fs_noerr(void); extern int fs_nosys(void); extern void fs_noval(void); -extern void fs_tosspages(bhv_desc_t *, xfs_off_t, xfs_off_t, int); -extern int fs_flushinval_pages(bhv_desc_t *, xfs_off_t, xfs_off_t, int); -extern int fs_flush_pages(bhv_desc_t *, xfs_off_t, xfs_off_t, uint64_t, int); #endif /* __XFS_FS_SUBR_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/linux-2.6/xfs_globals.c index 81565dea9af..9febf9dc999 100644 --- a/fs/xfs/linux-2.6/xfs_globals.c +++ b/fs/xfs/linux-2.6/xfs_globals.c @@ -20,11 +20,6 @@ #include "xfs_sysctl.h" /* - * System memory size - used to scale certain data structures in XFS. - */ -unsigned long xfs_physmem; - -/* * Tunable XFS parameters. xfs_params is required even when CONFIG_SYSCTL=n, * other XFS code uses these values. Times are measured in centisecs (i.e. * 100ths of a second). diff --git a/fs/xfs/linux-2.6/xfs_globals.h b/fs/xfs/linux-2.6/xfs_globals.h index e1a22bfcf86..2770b0085ee 100644 --- a/fs/xfs/linux-2.6/xfs_globals.h +++ b/fs/xfs/linux-2.6/xfs_globals.h @@ -19,7 +19,6 @@ #define __XFS_GLOBALS_H__ extern uint64_t xfs_panic_mask; /* set to cause more panics */ -extern unsigned long xfs_physmem; extern struct cred *sys_cred; #endif /* __XFS_GLOBALS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 5917808abbd..ffec630e7db 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -47,6 +47,7 @@ #include "xfs_utils.h" #include "xfs_dfrag.h" #include "xfs_fsops.h" +#include "xfs_vnodeops.h" #include <linux/capability.h> #include <linux/dcache.h> @@ -137,7 +138,8 @@ xfs_find_handle( vp = vn_from_inode(inode); /* now we can grab the fsid */ - memcpy(&handle.ha_fsid, vp->v_vfsp->vfs_altfsid, sizeof(xfs_fsid_t)); + memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid, + sizeof(xfs_fsid_t)); hsize = sizeof(xfs_fsid_t); if (cmd != XFS_IOC_PATH_TO_FSHANDLE) { @@ -349,19 +351,44 @@ xfs_open_by_handle( return new_fd; } +/* + * This is a copy from fs/namei.c:vfs_readlink(), except for removing it's + * unused first argument. + */ +STATIC int +do_readlink( + char __user *buffer, + int buflen, + const char *link) +{ + int len; + + len = PTR_ERR(link); + if (IS_ERR(link)) + goto out; + + len = strlen(link); + if (len > (unsigned) buflen) + len = buflen; + if (copy_to_user(buffer, link, len)) + len = -EFAULT; + out: + return len; +} + + STATIC int xfs_readlink_by_handle( xfs_mount_t *mp, void __user *arg, struct inode *parinode) { - int error; - struct iovec aiov; - struct uio auio; struct inode *inode; xfs_fsop_handlereq_t hreq; bhv_vnode_t *vp; __u32 olen; + void *link; + int error; if (!capable(CAP_SYS_ADMIN)) return -XFS_ERROR(EPERM); @@ -374,29 +401,31 @@ xfs_readlink_by_handle( /* Restrict this handle operation to symlinks only. */ if (!S_ISLNK(inode->i_mode)) { - VN_RELE(vp); - return -XFS_ERROR(EINVAL); + error = -XFS_ERROR(EINVAL); + goto out_iput; } if (copy_from_user(&olen, hreq.ohandlen, sizeof(__u32))) { - VN_RELE(vp); - return -XFS_ERROR(EFAULT); + error = -XFS_ERROR(EFAULT); + goto out_iput; } - aiov.iov_len = olen; - aiov.iov_base = hreq.ohandle; - auio.uio_iov = (struct kvec *)&aiov; - auio.uio_iovcnt = 1; - auio.uio_offset = 0; - auio.uio_segflg = UIO_USERSPACE; - auio.uio_resid = olen; + link = kmalloc(MAXPATHLEN+1, GFP_KERNEL); + if (!link) + goto out_iput; - error = bhv_vop_readlink(vp, &auio, IO_INVIS, NULL); - VN_RELE(vp); + error = -xfs_readlink(XFS_I(inode), link); if (error) - return -error; + goto out_kfree; + error = do_readlink(hreq.ohandle, olen, link); + if (error) + goto out_kfree; - return (olen - auio.uio_resid); + out_kfree: + kfree(link); + out_iput: + iput(inode); + return error; } STATIC int @@ -409,7 +438,6 @@ xfs_fssetdm_by_handle( struct fsdmidata fsd; xfs_fsop_setdm_handlereq_t dmhreq; struct inode *inode; - bhv_desc_t *bdp; bhv_vnode_t *vp; if (!capable(CAP_MKNOD)) @@ -431,8 +459,8 @@ xfs_fssetdm_by_handle( return -XFS_ERROR(EFAULT); } - bdp = bhv_base_unlocked(VN_BHV_HEAD(vp)); - error = xfs_set_dmattrs(bdp, fsd.fsd_dmevmask, fsd.fsd_dmstate, NULL); + error = xfs_set_dmattrs(xfs_vtoi(vp), + fsd.fsd_dmevmask, fsd.fsd_dmstate); VN_RELE(vp); if (error) @@ -470,8 +498,8 @@ xfs_attrlist_by_handle( goto out_vn_rele; cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; - error = bhv_vop_attr_list(vp, kbuf, al_hreq.buflen, al_hreq.flags, - cursor, NULL); + error = xfs_attr_list(XFS_I(inode), kbuf, al_hreq.buflen, + al_hreq.flags, cursor); if (error) goto out_kfree; @@ -488,7 +516,7 @@ xfs_attrlist_by_handle( STATIC int xfs_attrmulti_attr_get( - bhv_vnode_t *vp, + struct inode *inode, char *name, char __user *ubuf, __uint32_t *len, @@ -503,7 +531,7 @@ xfs_attrmulti_attr_get( if (!kbuf) return ENOMEM; - error = bhv_vop_attr_get(vp, name, kbuf, len, flags, NULL); + error = xfs_attr_get(XFS_I(inode), name, kbuf, len, flags, NULL); if (error) goto out_kfree; @@ -517,7 +545,7 @@ xfs_attrmulti_attr_get( STATIC int xfs_attrmulti_attr_set( - bhv_vnode_t *vp, + struct inode *inode, char *name, const char __user *ubuf, __uint32_t len, @@ -526,9 +554,9 @@ xfs_attrmulti_attr_set( char *kbuf; int error = EFAULT; - if (IS_RDONLY(&vp->v_inode)) + if (IS_RDONLY(inode)) return -EROFS; - if (IS_IMMUTABLE(&vp->v_inode) || IS_APPEND(&vp->v_inode)) + if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return EPERM; if (len > XATTR_SIZE_MAX) return EINVAL; @@ -540,7 +568,7 @@ xfs_attrmulti_attr_set( if (copy_from_user(kbuf, ubuf, len)) goto out_kfree; - error = bhv_vop_attr_set(vp, name, kbuf, len, flags, NULL); + error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags); out_kfree: kfree(kbuf); @@ -549,15 +577,15 @@ xfs_attrmulti_attr_set( STATIC int xfs_attrmulti_attr_remove( - bhv_vnode_t *vp, + struct inode *inode, char *name, __uint32_t flags) { - if (IS_RDONLY(&vp->v_inode)) + if (IS_RDONLY(inode)) return -EROFS; - if (IS_IMMUTABLE(&vp->v_inode) || IS_APPEND(&vp->v_inode)) + if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return EPERM; - return bhv_vop_attr_remove(vp, name, flags, NULL); + return xfs_attr_remove(XFS_I(inode), name, flags); } STATIC int @@ -613,17 +641,17 @@ xfs_attrmulti_by_handle( switch (ops[i].am_opcode) { case ATTR_OP_GET: - ops[i].am_error = xfs_attrmulti_attr_get(vp, + ops[i].am_error = xfs_attrmulti_attr_get(inode, attr_name, ops[i].am_attrvalue, &ops[i].am_length, ops[i].am_flags); break; case ATTR_OP_SET: - ops[i].am_error = xfs_attrmulti_attr_set(vp, + ops[i].am_error = xfs_attrmulti_attr_set(inode, attr_name, ops[i].am_attrvalue, ops[i].am_length, ops[i].am_flags); break; case ATTR_OP_REMOVE: - ops[i].am_error = xfs_attrmulti_attr_remove(vp, + ops[i].am_error = xfs_attrmulti_attr_remove(inode, attr_name, ops[i].am_flags); break; default: @@ -649,7 +677,7 @@ xfs_attrmulti_by_handle( STATIC int xfs_ioc_space( - bhv_desc_t *bdp, + struct xfs_inode *ip, struct inode *inode, struct file *filp, int flags, @@ -681,37 +709,37 @@ xfs_ioc_xattr( void __user *arg); STATIC int +xfs_ioc_fsgetxattr( + xfs_inode_t *ip, + int attr, + void __user *arg); + +STATIC int xfs_ioc_getbmap( - bhv_desc_t *bdp, + struct xfs_inode *ip, int flags, unsigned int cmd, void __user *arg); STATIC int xfs_ioc_getbmapx( - bhv_desc_t *bdp, + struct xfs_inode *ip, void __user *arg); int xfs_ioctl( - bhv_desc_t *bdp, - struct inode *inode, + xfs_inode_t *ip, struct file *filp, int ioflags, unsigned int cmd, void __user *arg) { + struct inode *inode = filp->f_path.dentry->d_inode; + bhv_vnode_t *vp = vn_from_inode(inode); + xfs_mount_t *mp = ip->i_mount; int error; - bhv_vnode_t *vp; - xfs_inode_t *ip; - xfs_mount_t *mp; - vp = vn_from_inode(inode); - - vn_trace_entry(vp, "xfs_ioctl", (inst_t *)__return_address); - - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; + vn_trace_entry(XFS_I(inode), "xfs_ioctl", (inst_t *)__return_address); switch (cmd) { @@ -731,7 +759,7 @@ xfs_ioctl( !capable(CAP_SYS_ADMIN)) return -EPERM; - return xfs_ioc_space(bdp, inode, filp, ioflags, cmd, arg); + return xfs_ioc_space(ip, inode, filp, ioflags, cmd, arg); case XFS_IOC_DIOINFO: { struct dioattr da; @@ -761,11 +789,13 @@ xfs_ioctl( case XFS_IOC_GETVERSION: return put_user(inode->i_generation, (int __user *)arg); + case XFS_IOC_FSGETXATTR: + return xfs_ioc_fsgetxattr(ip, 0, arg); + case XFS_IOC_FSGETXATTRA: + return xfs_ioc_fsgetxattr(ip, 1, arg); case XFS_IOC_GETXFLAGS: case XFS_IOC_SETXFLAGS: - case XFS_IOC_FSGETXATTR: case XFS_IOC_FSSETXATTR: - case XFS_IOC_FSGETXATTRA: return xfs_ioc_xattr(vp, ip, filp, cmd, arg); case XFS_IOC_FSSETDM: { @@ -774,17 +804,17 @@ xfs_ioctl( if (copy_from_user(&dmi, arg, sizeof(dmi))) return -XFS_ERROR(EFAULT); - error = xfs_set_dmattrs(bdp, dmi.fsd_dmevmask, dmi.fsd_dmstate, - NULL); + error = xfs_set_dmattrs(ip, dmi.fsd_dmevmask, + dmi.fsd_dmstate); return -error; } case XFS_IOC_GETBMAP: case XFS_IOC_GETBMAPA: - return xfs_ioc_getbmap(bdp, ioflags, cmd, arg); + return xfs_ioc_getbmap(ip, ioflags, cmd, arg); case XFS_IOC_GETBMAPX: - return xfs_ioc_getbmapx(bdp, arg); + return xfs_ioc_getbmapx(ip, arg); case XFS_IOC_FD_TO_HANDLE: case XFS_IOC_PATH_TO_HANDLE: @@ -944,7 +974,7 @@ xfs_ioctl( if (!capable(CAP_SYS_ADMIN)) return -EPERM; - error = xfs_errortag_clearall(mp); + error = xfs_errortag_clearall(mp, 1); return -error; default: @@ -954,7 +984,7 @@ xfs_ioctl( STATIC int xfs_ioc_space( - bhv_desc_t *bdp, + struct xfs_inode *ip, struct inode *inode, struct file *filp, int ioflags, @@ -982,7 +1012,7 @@ xfs_ioc_space( if (ioflags & IO_INVIS) attr_flags |= ATTR_DMI; - error = xfs_change_file_space(bdp, cmd, &bf, filp->f_pos, + error = xfs_change_file_space(ip, cmd, &bf, filp->f_pos, NULL, attr_flags); return -error; } @@ -1140,6 +1170,42 @@ xfs_di2lxflags( } STATIC int +xfs_ioc_fsgetxattr( + xfs_inode_t *ip, + int attr, + void __user *arg) +{ + struct fsxattr fa; + + xfs_ilock(ip, XFS_ILOCK_SHARED); + fa.fsx_xflags = xfs_ip2xflags(ip); + fa.fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog; + fa.fsx_projid = ip->i_d.di_projid; + + if (attr) { + if (ip->i_afp) { + if (ip->i_afp->if_flags & XFS_IFEXTENTS) + fa.fsx_nextents = ip->i_afp->if_bytes / + sizeof(xfs_bmbt_rec_t); + else + fa.fsx_nextents = ip->i_d.di_anextents; + } else + fa.fsx_nextents = 0; + } else { + if (ip->i_df.if_flags & XFS_IFEXTENTS) + fa.fsx_nextents = ip->i_df.if_bytes / + sizeof(xfs_bmbt_rec_t); + else + fa.fsx_nextents = ip->i_d.di_nextents; + } + xfs_iunlock(ip, XFS_ILOCK_SHARED); + + if (copy_to_user(arg, &fa, sizeof(fa))) + return -EFAULT; + return 0; +} + +STATIC int xfs_ioc_xattr( bhv_vnode_t *vp, xfs_inode_t *ip, @@ -1158,27 +1224,6 @@ xfs_ioc_xattr( return -ENOMEM; switch (cmd) { - case XFS_IOC_FSGETXATTR: { - vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \ - XFS_AT_NEXTENTS | XFS_AT_PROJID; - error = bhv_vop_getattr(vp, vattr, 0, NULL); - if (unlikely(error)) { - error = -error; - break; - } - - fa.fsx_xflags = vattr->va_xflags; - fa.fsx_extsize = vattr->va_extsize; - fa.fsx_nextents = vattr->va_nextents; - fa.fsx_projid = vattr->va_projid; - - if (copy_to_user(arg, &fa, sizeof(fa))) { - error = -EFAULT; - break; - } - break; - } - case XFS_IOC_FSSETXATTR: { if (copy_from_user(&fa, arg, sizeof(fa))) { error = -EFAULT; @@ -1194,34 +1239,13 @@ xfs_ioc_xattr( vattr->va_extsize = fa.fsx_extsize; vattr->va_projid = fa.fsx_projid; - error = bhv_vop_setattr(vp, vattr, attr_flags, NULL); + error = xfs_setattr(ip, vattr, attr_flags, NULL); if (likely(!error)) __vn_revalidate(vp, vattr); /* update flags */ error = -error; break; } - case XFS_IOC_FSGETXATTRA: { - vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \ - XFS_AT_ANEXTENTS | XFS_AT_PROJID; - error = bhv_vop_getattr(vp, vattr, 0, NULL); - if (unlikely(error)) { - error = -error; - break; - } - - fa.fsx_xflags = vattr->va_xflags; - fa.fsx_extsize = vattr->va_extsize; - fa.fsx_nextents = vattr->va_anextents; - fa.fsx_projid = vattr->va_projid; - - if (copy_to_user(arg, &fa, sizeof(fa))) { - error = -EFAULT; - break; - } - break; - } - case XFS_IOC_GETXFLAGS: { flags = xfs_di2lxflags(ip->i_d.di_flags); if (copy_to_user(arg, &flags, sizeof(flags))) @@ -1250,7 +1274,7 @@ xfs_ioc_xattr( vattr->va_xflags = xfs_merge_ioc_xflags(flags, xfs_ip2xflags(ip)); - error = bhv_vop_setattr(vp, vattr, attr_flags, NULL); + error = xfs_setattr(ip, vattr, attr_flags, NULL); if (likely(!error)) __vn_revalidate(vp, vattr); /* update flags */ error = -error; @@ -1268,7 +1292,7 @@ xfs_ioc_xattr( STATIC int xfs_ioc_getbmap( - bhv_desc_t *bdp, + struct xfs_inode *ip, int ioflags, unsigned int cmd, void __user *arg) @@ -1287,7 +1311,7 @@ xfs_ioc_getbmap( if (ioflags & IO_INVIS) iflags |= BMV_IF_NO_DMAPI_READ; - error = xfs_getbmap(bdp, &bm, (struct getbmap __user *)arg+1, iflags); + error = xfs_getbmap(ip, &bm, (struct getbmap __user *)arg+1, iflags); if (error) return -error; @@ -1298,7 +1322,7 @@ xfs_ioc_getbmap( STATIC int xfs_ioc_getbmapx( - bhv_desc_t *bdp, + struct xfs_inode *ip, void __user *arg) { struct getbmapx bmx; @@ -1325,7 +1349,7 @@ xfs_ioc_getbmapx( iflags |= BMV_IF_EXTENDED; - error = xfs_getbmap(bdp, &bm, (struct getbmapx __user *)arg+1, iflags); + error = xfs_getbmap(ip, &bm, (struct getbmapx __user *)arg+1, iflags); if (error) return -error; diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index 42319d75aaa..0046bdd5b7f 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -43,6 +43,7 @@ #include "xfs_itable.h" #include "xfs_error.h" #include "xfs_dfrag.h" +#include "xfs_vnodeops.h" #define _NATIVE_IOC(cmd, type) \ _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type)) @@ -370,7 +371,6 @@ xfs_compat_ioctl( unsigned long arg) { struct inode *inode = file->f_path.dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); int error; switch (cmd) { @@ -443,7 +443,7 @@ xfs_compat_ioctl( case XFS_IOC_FSBULKSTAT_SINGLE_32: case XFS_IOC_FSINUMBERS_32: cmd = _NATIVE_IOC(cmd, struct xfs_fsop_bulkreq); - return xfs_ioc_bulkstat_compat(XFS_BHVTOI(VNHEAD(vp))->i_mount, + return xfs_ioc_bulkstat_compat(XFS_I(inode)->i_mount, cmd, (void __user*)arg); case XFS_IOC_FD_TO_HANDLE_32: case XFS_IOC_PATH_TO_HANDLE_32: @@ -457,8 +457,8 @@ xfs_compat_ioctl( return -ENOIOCTLCMD; } - error = bhv_vop_ioctl(vp, inode, file, mode, cmd, (void __user *)arg); - VMODIFY(vp); + error = xfs_ioctl(XFS_I(inode), file, mode, cmd, (void __user *)arg); + xfs_iflags_set(XFS_I(inode), XFS_IMODIFIED); return error; } diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 0b5fa124bef..ac50f8a3758 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -46,6 +46,7 @@ #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" +#include "xfs_vnodeops.h" #include <linux/capability.h> #include <linux/xattr.h> @@ -53,22 +54,6 @@ #include <linux/security.h> /* - * Get a XFS inode from a given vnode. - */ -xfs_inode_t * -xfs_vtoi( - bhv_vnode_t *vp) -{ - bhv_desc_t *bdp; - - bdp = bhv_lookup_range(VN_BHV_HEAD(vp), - VNODE_POSITION_XFS, VNODE_POSITION_XFS); - if (unlikely(bdp == NULL)) - return NULL; - return XFS_BHVTOI(bdp); -} - -/* * Bring the atime in the XFS inode uptodate. * Used before logging the inode to disk or when the Linux inode goes away. */ @@ -80,9 +65,8 @@ xfs_synchronize_atime( vp = XFS_ITOV_NULL(ip); if (vp) { - struct inode *inode = &vp->v_inode; - ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec; - ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec; + ip->i_d.di_atime.t_sec = (__int32_t)vp->i_atime.tv_sec; + ip->i_d.di_atime.t_nsec = (__int32_t)vp->i_atime.tv_nsec; } } @@ -133,7 +117,7 @@ xfs_ichgtime( */ SYNCHRONIZE(); ip->i_update_core = 1; - if (!(inode->i_state & I_LOCK)) + if (!(inode->i_state & I_SYNC)) mark_inode_dirty_sync(inode); } @@ -185,7 +169,7 @@ xfs_ichgtime_fast( */ SYNCHRONIZE(); ip->i_update_core = 1; - if (!(inode->i_state & I_LOCK)) + if (!(inode->i_state & I_SYNC)) mark_inode_dirty_sync(inode); } @@ -195,18 +179,19 @@ xfs_ichgtime_fast( */ STATIC void xfs_validate_fields( - struct inode *ip, - bhv_vattr_t *vattr) + struct inode *inode) { - vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS; - if (!bhv_vop_getattr(vn_from_inode(ip), vattr, ATTR_LAZY, NULL)) { - ip->i_nlink = vattr->va_nlink; - ip->i_blocks = vattr->va_nblocks; - - /* we're under i_sem so i_size can't change under us */ - if (i_size_read(ip) != vattr->va_size) - i_size_write(ip, vattr->va_size); - } + struct xfs_inode *ip = XFS_I(inode); + loff_t size; + + inode->i_nlink = ip->i_d.di_nlink; + inode->i_blocks = + XFS_FSB_TO_BB(ip->i_mount, ip->i_d.di_nblocks + + ip->i_delayed_blks); + /* we're under i_sem so i_size can't change under us */ + size = XFS_ISIZE(ip); + if (i_size_read(inode) != size) + i_size_write(inode, size); } /* @@ -233,9 +218,10 @@ xfs_init_security( return -error; } - error = bhv_vop_attr_set(vp, name, value, length, ATTR_SECURE, NULL); + error = xfs_attr_set(XFS_I(ip), name, value, + length, ATTR_SECURE); if (!error) - VMODIFY(vp); + xfs_iflags_set(XFS_I(ip), XFS_IMODIFIED); kfree(name); kfree(value); @@ -256,7 +242,7 @@ xfs_has_fs_struct(struct task_struct *task) STATIC void xfs_cleanup_inode( - bhv_vnode_t *dvp, + struct inode *dir, bhv_vnode_t *vp, struct dentry *dentry, int mode) @@ -272,9 +258,9 @@ xfs_cleanup_inode( teardown.d_name = dentry->d_name; if (S_ISDIR(mode)) - bhv_vop_rmdir(dvp, &teardown, NULL); + xfs_rmdir(XFS_I(dir), &teardown); else - bhv_vop_remove(dvp, &teardown, NULL); + xfs_remove(XFS_I(dir), &teardown); VN_RELE(vp); } @@ -286,7 +272,6 @@ xfs_vn_mknod( dev_t rdev) { struct inode *ip; - bhv_vattr_t vattr = { 0 }; bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir); xfs_acl_t *default_acl = NULL; attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS; @@ -312,19 +297,14 @@ xfs_vn_mknod( if (IS_POSIXACL(dir) && !default_acl && xfs_has_fs_struct(current)) mode &= ~current->fs->umask; - vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE; - vattr.va_mode = mode; - switch (mode & S_IFMT) { case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK: - vattr.va_rdev = sysv_encode_dev(rdev); - vattr.va_mask |= XFS_AT_RDEV; - /*FALLTHROUGH*/ + rdev = sysv_encode_dev(rdev); case S_IFREG: - error = bhv_vop_create(dvp, dentry, &vattr, &vp, NULL); + error = xfs_create(XFS_I(dir), dentry, mode, rdev, &vp, NULL); break; case S_IFDIR: - error = bhv_vop_mkdir(dvp, dentry, &vattr, &vp, NULL); + error = xfs_mkdir(XFS_I(dir), dentry, mode, &vp, NULL); break; default: error = EINVAL; @@ -334,16 +314,16 @@ xfs_vn_mknod( if (unlikely(!error)) { error = xfs_init_security(vp, dir); if (error) - xfs_cleanup_inode(dvp, vp, dentry, mode); + xfs_cleanup_inode(dir, vp, dentry, mode); } if (unlikely(default_acl)) { if (!error) { - error = _ACL_INHERIT(vp, &vattr, default_acl); + error = _ACL_INHERIT(vp, mode, default_acl); if (!error) - VMODIFY(vp); + xfs_iflags_set(XFS_I(vp), XFS_IMODIFIED); else - xfs_cleanup_inode(dvp, vp, dentry, mode); + xfs_cleanup_inode(dir, vp, dentry, mode); } _ACL_FREE(default_acl); } @@ -355,9 +335,9 @@ xfs_vn_mknod( if (S_ISCHR(mode) || S_ISBLK(mode)) ip->i_rdev = rdev; else if (S_ISDIR(mode)) - xfs_validate_fields(ip, &vattr); + xfs_validate_fields(ip); d_instantiate(dentry, ip); - xfs_validate_fields(dir, &vattr); + xfs_validate_fields(dir); } return -error; } @@ -387,13 +367,13 @@ xfs_vn_lookup( struct dentry *dentry, struct nameidata *nd) { - bhv_vnode_t *vp = vn_from_inode(dir), *cvp; + bhv_vnode_t *cvp; int error; if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - error = bhv_vop_lookup(vp, dentry, &cvp, 0, NULL, NULL); + error = xfs_lookup(XFS_I(dir), dentry, &cvp); if (unlikely(error)) { if (unlikely(error != ENOENT)) return ERR_PTR(-error); @@ -411,22 +391,19 @@ xfs_vn_link( struct dentry *dentry) { struct inode *ip; /* inode of guy being linked to */ - bhv_vnode_t *tdvp; /* target directory for new name/link */ bhv_vnode_t *vp; /* vp of name being linked */ - bhv_vattr_t vattr; int error; ip = old_dentry->d_inode; /* inode being linked to */ - tdvp = vn_from_inode(dir); vp = vn_from_inode(ip); VN_HOLD(vp); - error = bhv_vop_link(tdvp, vp, dentry, NULL); + error = xfs_link(XFS_I(dir), vp, dentry); if (unlikely(error)) { VN_RELE(vp); } else { - VMODIFY(tdvp); - xfs_validate_fields(ip, &vattr); + xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED); + xfs_validate_fields(ip); d_instantiate(dentry, ip); } return -error; @@ -438,17 +415,14 @@ xfs_vn_unlink( struct dentry *dentry) { struct inode *inode; - bhv_vnode_t *dvp; /* directory containing name to remove */ - bhv_vattr_t vattr; int error; inode = dentry->d_inode; - dvp = vn_from_inode(dir); - error = bhv_vop_remove(dvp, dentry, NULL); + error = xfs_remove(XFS_I(dir), dentry); if (likely(!error)) { - xfs_validate_fields(dir, &vattr); /* size needs update */ - xfs_validate_fields(inode, &vattr); + xfs_validate_fields(dir); /* size needs update */ + xfs_validate_fields(inode); } return -error; } @@ -460,28 +434,26 @@ xfs_vn_symlink( const char *symname) { struct inode *ip; - bhv_vattr_t va = { 0 }; - bhv_vnode_t *dvp; /* directory containing name of symlink */ bhv_vnode_t *cvp; /* used to lookup symlink to put in dentry */ int error; + mode_t mode; - dvp = vn_from_inode(dir); cvp = NULL; - va.va_mode = S_IFLNK | + mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO); - va.va_mask = XFS_AT_TYPE|XFS_AT_MODE; - error = bhv_vop_symlink(dvp, dentry, &va, (char *)symname, &cvp, NULL); + error = xfs_symlink(XFS_I(dir), dentry, (char *)symname, mode, + &cvp, NULL); if (likely(!error && cvp)) { error = xfs_init_security(cvp, dir); if (likely(!error)) { ip = vn_to_inode(cvp); d_instantiate(dentry, ip); - xfs_validate_fields(dir, &va); - xfs_validate_fields(ip, &va); + xfs_validate_fields(dir); + xfs_validate_fields(ip); } else { - xfs_cleanup_inode(dvp, cvp, dentry, 0); + xfs_cleanup_inode(dir, cvp, dentry, 0); } } return -error; @@ -493,14 +465,12 @@ xfs_vn_rmdir( struct dentry *dentry) { struct inode *inode = dentry->d_inode; - bhv_vnode_t *dvp = vn_from_inode(dir); - bhv_vattr_t vattr; int error; - error = bhv_vop_rmdir(dvp, dentry, NULL); + error = xfs_rmdir(XFS_I(dir), dentry); if (likely(!error)) { - xfs_validate_fields(inode, &vattr); - xfs_validate_fields(dir, &vattr); + xfs_validate_fields(inode); + xfs_validate_fields(dir); } return -error; } @@ -513,21 +483,18 @@ xfs_vn_rename( struct dentry *ndentry) { struct inode *new_inode = ndentry->d_inode; - bhv_vnode_t *fvp; /* from directory */ bhv_vnode_t *tvp; /* target directory */ - bhv_vattr_t vattr; int error; - fvp = vn_from_inode(odir); tvp = vn_from_inode(ndir); - error = bhv_vop_rename(fvp, odentry, tvp, ndentry, NULL); + error = xfs_rename(XFS_I(odir), odentry, tvp, ndentry); if (likely(!error)) { if (new_inode) - xfs_validate_fields(new_inode, &vattr); - xfs_validate_fields(odir, &vattr); + xfs_validate_fields(new_inode); + xfs_validate_fields(odir); if (ndir != odir) - xfs_validate_fields(ndir, &vattr); + xfs_validate_fields(ndir); } return -error; } @@ -542,50 +509,25 @@ xfs_vn_follow_link( struct dentry *dentry, struct nameidata *nd) { - bhv_vnode_t *vp; - uio_t *uio; - iovec_t iov; - int error; char *link; - - ASSERT(dentry); - ASSERT(nd); + int error = -ENOMEM; link = kmalloc(MAXPATHLEN+1, GFP_KERNEL); - if (!link) { - nd_set_link(nd, ERR_PTR(-ENOMEM)); - return NULL; - } - - uio = kmalloc(sizeof(uio_t), GFP_KERNEL); - if (!uio) { - kfree(link); - nd_set_link(nd, ERR_PTR(-ENOMEM)); - return NULL; - } - - vp = vn_from_inode(dentry->d_inode); - - iov.iov_base = link; - iov.iov_len = MAXPATHLEN; + if (!link) + goto out_err; - uio->uio_iov = &iov; - uio->uio_offset = 0; - uio->uio_segflg = UIO_SYSSPACE; - uio->uio_resid = MAXPATHLEN; - uio->uio_iovcnt = 1; - - error = bhv_vop_readlink(vp, uio, 0, NULL); - if (unlikely(error)) { - kfree(link); - link = ERR_PTR(-error); - } else { - link[MAXPATHLEN - uio->uio_resid] = '\0'; - } - kfree(uio); + error = -xfs_readlink(XFS_I(dentry->d_inode), link); + if (unlikely(error)) + goto out_kfree; nd_set_link(nd, link); return NULL; + + out_kfree: + kfree(link); + out_err: + nd_set_link(nd, ERR_PTR(error)); + return NULL; } STATIC void @@ -607,7 +549,7 @@ xfs_vn_permission( int mode, struct nameidata *nd) { - return -bhv_vop_access(vn_from_inode(inode), mode << 6, NULL); + return -xfs_access(XFS_I(inode), mode << 6, NULL); } #else #define xfs_vn_permission NULL @@ -620,11 +562,10 @@ xfs_vn_getattr( struct kstat *stat) { struct inode *inode = dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); bhv_vattr_t vattr = { .va_mask = XFS_AT_STAT }; int error; - error = bhv_vop_getattr(vp, &vattr, ATTR_LAZY, NULL); + error = xfs_getattr(XFS_I(inode), &vattr, ATTR_LAZY); if (likely(!error)) { stat->size = i_size_read(inode); stat->dev = inode->i_sb->s_dev; @@ -652,7 +593,6 @@ xfs_vn_setattr( { struct inode *inode = dentry->d_inode; unsigned int ia_valid = attr->ia_valid; - bhv_vnode_t *vp = vn_from_inode(inode); bhv_vattr_t vattr = { 0 }; int flags = 0; int error; @@ -696,9 +636,9 @@ xfs_vn_setattr( flags |= ATTR_NONBLOCK; #endif - error = bhv_vop_setattr(vp, &vattr, flags, NULL); + error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL); if (likely(!error)) - __vn_revalidate(vp, &vattr); + __vn_revalidate(vn_from_inode(inode), &vattr); return -error; } diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/linux-2.6/xfs_iops.h index 95a69398fce..14d0deb7aff 100644 --- a/fs/xfs/linux-2.6/xfs_iops.h +++ b/fs/xfs/linux-2.6/xfs_iops.h @@ -26,11 +26,15 @@ extern const struct file_operations xfs_file_operations; extern const struct file_operations xfs_dir_file_operations; extern const struct file_operations xfs_invis_file_operations; -extern int xfs_ioctl(struct bhv_desc *, struct inode *, struct file *, - int, unsigned int, void __user *); struct xfs_inode; extern void xfs_ichgtime(struct xfs_inode *, int); extern void xfs_ichgtime_fast(struct xfs_inode *, struct inode *, int); +#define xfs_vtoi(vp) \ + ((struct xfs_inode *)vn_to_inode(vp)->i_private) + +#define XFS_I(inode) \ + ((struct xfs_inode *)(inode)->i_private) + #endif /* __XFS_IOPS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index 330c4ba9d40..dc3752de22d 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -51,7 +51,6 @@ #include <support/ktrace.h> #include <support/debug.h> -#include <support/move.h> #include <support/uuid.h> #include <linux/mm.h> @@ -75,6 +74,7 @@ #include <linux/cpu.h> #include <linux/notifier.h> #include <linux/delay.h> +#include <linux/log2.h> #include <asm/page.h> #include <asm/div64.h> @@ -83,7 +83,6 @@ #include <asm/byteorder.h> #include <asm/unaligned.h> -#include <xfs_behavior.h> #include <xfs_vfs.h> #include <xfs_cred.h> #include <xfs_vnode.h> diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 765ec16a6e3..d6a8dddb226 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -48,6 +48,7 @@ #include "xfs_buf_item.h" #include "xfs_utils.h" #include "xfs_iomap.h" +#include "xfs_vnodeops.h" #include <linux/capability.h> #include <linux/writeback.h> @@ -134,45 +135,34 @@ xfs_iozero( loff_t pos, /* offset in file */ size_t count) /* size of data to zero */ { - unsigned bytes; struct page *page; struct address_space *mapping; int status; mapping = ip->i_mapping; do { - unsigned long index, offset; + unsigned offset, bytes; + void *fsdata; offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */ - index = pos >> PAGE_CACHE_SHIFT; bytes = PAGE_CACHE_SIZE - offset; if (bytes > count) bytes = count; - status = -ENOMEM; - page = grab_cache_page(mapping, index); - if (!page) - break; - - status = mapping->a_ops->prepare_write(NULL, page, offset, - offset + bytes); + status = pagecache_write_begin(NULL, mapping, pos, bytes, + AOP_FLAG_UNINTERRUPTIBLE, + &page, &fsdata); if (status) - goto unlock; + break; zero_user_page(page, offset, bytes, KM_USER0); - status = mapping->a_ops->commit_write(NULL, page, offset, - offset + bytes); - if (!status) { - pos += bytes; - count -= bytes; - } - -unlock: - unlock_page(page); - page_cache_release(page); - if (status) - break; + status = pagecache_write_end(NULL, mapping, pos, bytes, bytes, + page, fsdata); + WARN_ON(status <= 0); /* can't return less than zero! */ + pos += bytes; + count -= bytes; + status = 0; } while (count); return (-status); @@ -180,27 +170,22 @@ unlock: ssize_t /* bytes read, or (-) error */ xfs_read( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct kiocb *iocb, const struct iovec *iovp, unsigned int segs, loff_t *offset, - int ioflags, - cred_t *credp) + int ioflags) { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + bhv_vnode_t *vp = XFS_ITOV(ip); + xfs_mount_t *mp = ip->i_mount; size_t size = 0; ssize_t ret = 0; xfs_fsize_t n; - xfs_inode_t *ip; - xfs_mount_t *mp; - bhv_vnode_t *vp; unsigned long seg; - ip = XFS_BHVTOI(bdp); - vp = BHV_TO_VNODE(bdp); - mp = ip->i_mount; XFS_STATS_INC(xs_read_calls); @@ -245,13 +230,11 @@ xfs_read( mutex_lock(&inode->i_mutex); xfs_ilock(ip, XFS_IOLOCK_SHARED); - if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) && - !(ioflags & IO_INVIS)) { + if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) { bhv_vrwlock_t locktype = VRWLOCK_READ; int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags); - ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, - BHV_TO_VNODE(bdp), *offset, size, + ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, *offset, size, dmflags, &locktype); if (ret) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); @@ -263,8 +246,9 @@ xfs_read( if (unlikely(ioflags & IO_ISDIRECT)) { if (VN_CACHED(vp)) - ret = bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)), - -1, FI_REMAPF_LOCKED); + ret = xfs_flushinval_pages(ip, + ctooff(offtoct(*offset)), + -1, FI_REMAPF_LOCKED); mutex_unlock(&inode->i_mutex); if (ret) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); @@ -288,16 +272,15 @@ xfs_read( ssize_t xfs_splice_read( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct file *infilp, loff_t *ppos, struct pipe_inode_info *pipe, size_t count, int flags, - int ioflags, - cred_t *credp) + int ioflags) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = XFS_ITOV(ip); xfs_mount_t *mp = ip->i_mount; ssize_t ret; @@ -307,13 +290,11 @@ xfs_splice_read( xfs_ilock(ip, XFS_IOLOCK_SHARED); - if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) && - (!(ioflags & IO_INVIS))) { + if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) { bhv_vrwlock_t locktype = VRWLOCK_READ; int error; - error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp), - *ppos, count, + error = XFS_SEND_DATA(mp, DM_EVENT_READ, vp, *ppos, count, FILP_DELAY_FLAG(infilp), &locktype); if (error) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); @@ -332,16 +313,15 @@ xfs_splice_read( ssize_t xfs_splice_write( - bhv_desc_t *bdp, + xfs_inode_t *ip, struct pipe_inode_info *pipe, struct file *outfilp, loff_t *ppos, size_t count, int flags, - int ioflags, - cred_t *credp) + int ioflags) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = XFS_ITOV(ip); xfs_mount_t *mp = ip->i_mount; xfs_iocore_t *io = &ip->i_iocore; ssize_t ret; @@ -354,13 +334,11 @@ xfs_splice_write( xfs_ilock(ip, XFS_IOLOCK_EXCL); - if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_WRITE) && - (!(ioflags & IO_INVIS))) { + if (DM_EVENT_ENABLED(ip, DM_EVENT_WRITE) && !(ioflags & IO_INVIS)) { bhv_vrwlock_t locktype = VRWLOCK_WRITE; int error; - error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, BHV_TO_VNODE(bdp), - *ppos, count, + error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp, *ppos, count, FILP_DELAY_FLAG(outfilp), &locktype); if (error) { xfs_iunlock(ip, XFS_IOLOCK_EXCL); @@ -594,24 +572,22 @@ out_lock: ssize_t /* bytes written, or (-) error */ xfs_write( - bhv_desc_t *bdp, + struct xfs_inode *xip, struct kiocb *iocb, const struct iovec *iovp, unsigned int nsegs, loff_t *offset, - int ioflags, - cred_t *credp) + int ioflags) { struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; + bhv_vnode_t *vp = XFS_ITOV(xip); unsigned long segs = nsegs; - xfs_inode_t *xip; xfs_mount_t *mp; ssize_t ret = 0, error = 0; xfs_fsize_t isize, new_size; xfs_iocore_t *io; - bhv_vnode_t *vp; int iolock; int eventsent = 0; bhv_vrwlock_t locktype; @@ -621,9 +597,6 @@ xfs_write( XFS_STATS_INC(xs_write_calls); - vp = BHV_TO_VNODE(bdp); - xip = XFS_BHVTOI(bdp); - error = generic_segment_checks(iovp, &segs, &ocount, VERIFY_READ); if (error) return error; @@ -637,7 +610,7 @@ xfs_write( io = &xip->i_iocore; mp = io->io_mount; - vfs_wait_for_freeze(vp->v_vfsp, SB_FREEZE_WRITE); + xfs_wait_for_freeze(mp, SB_FREEZE_WRITE); if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; @@ -664,7 +637,7 @@ start: goto out_unlock_mutex; } - if ((DM_EVENT_ENABLED(vp->v_vfsp, xip, DM_EVENT_WRITE) && + if ((DM_EVENT_ENABLED(xip, DM_EVENT_WRITE) && !(ioflags & IO_INVIS) && !eventsent)) { int dmflags = FILP_DELAY_FLAG(file); @@ -733,7 +706,7 @@ start: */ if (pos > xip->i_size) { - error = xfs_zero_eof(BHV_TO_VNODE(bdp), io, pos, xip->i_size); + error = xfs_zero_eof(vp, io, pos, xip->i_size); if (error) { xfs_iunlock(xip, XFS_ILOCK_EXCL); goto out_unlock_internal; @@ -769,7 +742,8 @@ retry: WARN_ON(need_i_mutex == 0); xfs_inval_cached_trace(io, pos, -1, ctooff(offtoct(pos)), -1); - error = bhv_vop_flushinval_pages(vp, ctooff(offtoct(pos)), + error = xfs_flushinval_pages(xip, + ctooff(offtoct(pos)), -1, FI_REMAPF_LOCKED); if (error) goto out_unlock_internal; @@ -816,11 +790,9 @@ retry: if (ret == -EIOCBQUEUED && !(ioflags & IO_ISAIO)) ret = wait_on_sync_kiocb(iocb); - if ((ret == -ENOSPC) && - DM_EVENT_ENABLED(vp->v_vfsp, xip, DM_EVENT_NOSPACE) && - !(ioflags & IO_INVIS)) { - - xfs_rwunlock(bdp, locktype); + if (ret == -ENOSPC && + DM_EVENT_ENABLED(xip, DM_EVENT_NOSPACE) && !(ioflags & IO_INVIS)) { + xfs_rwunlock(xip, locktype); if (need_i_mutex) mutex_unlock(&inode->i_mutex); error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp, @@ -828,7 +800,7 @@ retry: 0, 0, 0); /* Delay flag intentionally unused */ if (need_i_mutex) mutex_lock(&inode->i_mutex); - xfs_rwlock(bdp, locktype); + xfs_rwlock(xip, locktype); if (error) goto out_unlock_internal; pos = xip->i_size; @@ -855,20 +827,19 @@ retry: /* Handle various SYNC-type writes */ if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) { - error = xfs_write_sync_logforce(mp, xip); - if (error) - goto out_unlock_internal; - - xfs_rwunlock(bdp, locktype); + int error2; + xfs_rwunlock(xip, locktype); if (need_i_mutex) mutex_unlock(&inode->i_mutex); - - error = sync_page_range(inode, mapping, pos, ret); + error2 = sync_page_range(inode, mapping, pos, ret); if (!error) - error = -ret; + error = error2; if (need_i_mutex) mutex_lock(&inode->i_mutex); - xfs_rwlock(bdp, locktype); + xfs_rwlock(xip, locktype); + error2 = xfs_write_sync_logforce(mp, xip); + if (!error) + error = error2; } out_unlock_internal: @@ -886,7 +857,7 @@ retry: xip->i_d.di_size = xip->i_size; xfs_iunlock(xip, XFS_ILOCK_EXCL); } - xfs_rwunlock(bdp, locktype); + xfs_rwunlock(xip, locktype); out_unlock_mutex: if (need_i_mutex) mutex_unlock(&inode->i_mutex); @@ -925,14 +896,14 @@ xfs_bdstrat_cb(struct xfs_buf *bp) int -xfs_bmap(bhv_desc_t *bdp, +xfs_bmap( + xfs_inode_t *ip, xfs_off_t offset, ssize_t count, int flags, xfs_iomap_t *iomapp, int *niomaps) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); xfs_iocore_t *io = &ip->i_iocore; ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG); diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h index 7c60a1eed88..4b7747a828d 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.h +++ b/fs/xfs/linux-2.6/xfs_lrw.h @@ -18,8 +18,6 @@ #ifndef __XFS_LRW_H__ #define __XFS_LRW_H__ -struct bhv_desc; -struct bhv_vnode; struct xfs_mount; struct xfs_iocore; struct xfs_inode; @@ -71,30 +69,11 @@ extern void xfs_inval_cached_trace(struct xfs_iocore *, #define xfs_inval_cached_trace(io, offset, len, first, last) #endif -/* - * Maximum count of bmaps used by read and write paths. - */ -#define XFS_MAX_RW_NBMAPS 4 - -extern int xfs_bmap(struct bhv_desc *, xfs_off_t, ssize_t, int, - struct xfs_iomap *, int *); extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *); extern int xfs_bdstrat_cb(struct xfs_buf *); extern int xfs_dev_is_read_only(struct xfs_mount *, char *); -extern int xfs_zero_eof(struct bhv_vnode *, struct xfs_iocore *, xfs_off_t, +extern int xfs_zero_eof(struct inode *, struct xfs_iocore *, xfs_off_t, xfs_fsize_t); -extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *, - const struct iovec *, unsigned int, - loff_t *, int, struct cred *); -extern ssize_t xfs_write(struct bhv_desc *, struct kiocb *, - const struct iovec *, unsigned int, - loff_t *, int, struct cred *); -extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *, loff_t *, - struct pipe_inode_info *, size_t, int, int, - struct cred *); -extern ssize_t xfs_splice_write(struct bhv_desc *, struct pipe_inode_info *, - struct file *, loff_t *, size_t, int, int, - struct cred *); #endif /* __XFS_LRW_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 491d1f4f202..8cb63c60c04 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -46,6 +46,8 @@ #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" +#include "xfs_vnodeops.h" +#include "xfs_vfsops.h" #include "xfs_version.h" #include <linux/namei.h> @@ -196,23 +198,20 @@ xfs_revalidate_inode( inode->i_flags |= S_NOATIME; else inode->i_flags &= ~S_NOATIME; - vp->v_flag &= ~VMODIFIED; + xfs_iflags_clear(ip, XFS_IMODIFIED); } void xfs_initialize_vnode( - bhv_desc_t *bdp, + struct xfs_mount *mp, bhv_vnode_t *vp, - bhv_desc_t *inode_bhv, - int unlock) + struct xfs_inode *ip) { - xfs_inode_t *ip = XFS_BHVTOI(inode_bhv); struct inode *inode = vn_to_inode(vp); - if (!inode_bhv->bd_vobj) { - vp->v_vfsp = bhvtovfs(bdp); - bhv_desc_init(inode_bhv, ip, vp, &xfs_vnodeops); - bhv_insert(VN_BHV_HEAD(vp), inode_bhv); + if (!ip->i_vnode) { + ip->i_vnode = vp; + inode->i_private = ip; } /* @@ -222,8 +221,8 @@ xfs_initialize_vnode( * second time once the inode is properly set up, and then we can * finish our work. */ - if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) { - xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip); + if (ip->i_d.di_mode != 0 && (inode->i_state & I_NEW)) { + xfs_revalidate_inode(mp, vp, ip); xfs_set_inodeops(inode); xfs_iflags_clear(ip, XFS_INEW); @@ -356,9 +355,8 @@ xfs_fs_destroy_inode( STATIC void xfs_fs_inode_init_once( - void *vnode, kmem_zone_t *zonep, - unsigned long flags) + void *vnode) { inode_init_once(vn_to_inode((bhv_vnode_t *)vnode)); } @@ -410,19 +408,22 @@ xfs_fs_write_inode( struct inode *inode, int sync) { - bhv_vnode_t *vp = vn_from_inode(inode); int error = 0, flags = FLUSH_INODE; - if (vp) { - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - if (sync) { - filemap_fdatawait(inode->i_mapping); - flags |= FLUSH_SYNC; - } - error = bhv_vop_iflush(vp, flags); - if (error == EAGAIN) - error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0; + vn_trace_entry(XFS_I(inode), __FUNCTION__, + (inst_t *)__return_address); + if (sync) { + filemap_fdatawait(inode->i_mapping); + flags |= FLUSH_SYNC; } + error = xfs_inode_flush(XFS_I(inode), flags); + /* + * if we failed to write out the inode then mark + * it dirty again so we'll try again later. + */ + if (error) + mark_inode_dirty_sync(inode); + return -error; } @@ -430,35 +431,27 @@ STATIC void xfs_fs_clear_inode( struct inode *inode) { - bhv_vnode_t *vp = vn_from_inode(inode); - - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - - XFS_STATS_INC(vn_rele); - XFS_STATS_INC(vn_remove); - XFS_STATS_INC(vn_reclaim); - XFS_STATS_DEC(vn_active); + xfs_inode_t *ip = XFS_I(inode); /* - * This can happen because xfs_iget_core calls xfs_idestroy if we + * ip can be null when xfs_iget_core calls xfs_idestroy if we * find an inode with di_mode == 0 but without IGET_CREATE set. */ - if (VNHEAD(vp)) - bhv_vop_inactive(vp, NULL); - - VN_LOCK(vp); - vp->v_flag &= ~VMODIFIED; - VN_UNLOCK(vp, 0); - - if (VNHEAD(vp)) - if (bhv_vop_reclaim(vp)) - panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp); - - ASSERT(VNHEAD(vp) == NULL); + if (ip) { + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); + + XFS_STATS_INC(vn_rele); + XFS_STATS_INC(vn_remove); + XFS_STATS_INC(vn_reclaim); + XFS_STATS_DEC(vn_active); + + xfs_inactive(ip); + xfs_iflags_clear(ip, XFS_IMODIFIED); + if (xfs_reclaim(ip)) + panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, inode); + } -#ifdef XFS_VNODE_TRACE - ktrace_free(vp->v_trace); -#endif + ASSERT(XFS_I(inode) == NULL); } /* @@ -470,9 +463,9 @@ xfs_fs_clear_inode( */ STATIC void xfs_syncd_queue_work( - struct bhv_vfs *vfs, + struct xfs_mount *mp, void *data, - void (*syncer)(bhv_vfs_t *, void *)) + void (*syncer)(struct xfs_mount *, void *)) { struct bhv_vfs_sync_work *work; @@ -480,11 +473,11 @@ xfs_syncd_queue_work( INIT_LIST_HEAD(&work->w_list); work->w_syncer = syncer; work->w_data = data; - work->w_vfs = vfs; - spin_lock(&vfs->vfs_sync_lock); - list_add_tail(&work->w_list, &vfs->vfs_sync_list); - spin_unlock(&vfs->vfs_sync_lock); - wake_up_process(vfs->vfs_sync_task); + work->w_mount = mp; + spin_lock(&mp->m_sync_lock); + list_add_tail(&work->w_list, &mp->m_sync_list); + spin_unlock(&mp->m_sync_lock); + wake_up_process(mp->m_sync_task); } /* @@ -495,22 +488,22 @@ xfs_syncd_queue_work( */ STATIC void xfs_flush_inode_work( - bhv_vfs_t *vfs, - void *inode) + struct xfs_mount *mp, + void *arg) { - filemap_flush(((struct inode *)inode)->i_mapping); - iput((struct inode *)inode); + struct inode *inode = arg; + filemap_flush(inode->i_mapping); + iput(inode); } void xfs_flush_inode( xfs_inode_t *ip) { - struct inode *inode = vn_to_inode(XFS_ITOV(ip)); - struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount); + struct inode *inode = ip->i_vnode; igrab(inode); - xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work); + xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inode_work); delay(msecs_to_jiffies(500)); } @@ -520,11 +513,12 @@ xfs_flush_inode( */ STATIC void xfs_flush_device_work( - bhv_vfs_t *vfs, - void *inode) + struct xfs_mount *mp, + void *arg) { - sync_blockdev(vfs->vfs_super->s_bdev); - iput((struct inode *)inode); + struct inode *inode = arg; + sync_blockdev(mp->m_super->s_bdev); + iput(inode); } void @@ -532,35 +526,33 @@ xfs_flush_device( xfs_inode_t *ip) { struct inode *inode = vn_to_inode(XFS_ITOV(ip)); - struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount); igrab(inode); - xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work); + xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_device_work); delay(msecs_to_jiffies(500)); xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC); } STATIC void -vfs_sync_worker( - bhv_vfs_t *vfsp, +xfs_sync_worker( + struct xfs_mount *mp, void *unused) { int error; - if (!(vfsp->vfs_flag & VFS_RDONLY)) - error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \ - SYNC_ATTR | SYNC_REFCACHE | SYNC_SUPER, - NULL); - vfsp->vfs_sync_seq++; - wake_up(&vfsp->vfs_wait_single_sync_task); + if (!(mp->m_flags & XFS_MOUNT_RDONLY)) + error = xfs_sync(mp, SYNC_FSDATA | SYNC_BDFLUSH | SYNC_ATTR | + SYNC_REFCACHE | SYNC_SUPER); + mp->m_sync_seq++; + wake_up(&mp->m_wait_single_sync_task); } STATIC int xfssyncd( void *arg) { + struct xfs_mount *mp = arg; long timeleft; - bhv_vfs_t *vfsp = (bhv_vfs_t *) arg; bhv_vfs_sync_work_t *work, *n; LIST_HEAD (tmp); @@ -570,31 +562,31 @@ xfssyncd( timeleft = schedule_timeout_interruptible(timeleft); /* swsusp */ try_to_freeze(); - if (kthread_should_stop() && list_empty(&vfsp->vfs_sync_list)) + if (kthread_should_stop() && list_empty(&mp->m_sync_list)) break; - spin_lock(&vfsp->vfs_sync_lock); + spin_lock(&mp->m_sync_lock); /* * We can get woken by laptop mode, to do a sync - * that's the (only!) case where the list would be * empty with time remaining. */ - if (!timeleft || list_empty(&vfsp->vfs_sync_list)) { + if (!timeleft || list_empty(&mp->m_sync_list)) { if (!timeleft) timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10); - INIT_LIST_HEAD(&vfsp->vfs_sync_work.w_list); - list_add_tail(&vfsp->vfs_sync_work.w_list, - &vfsp->vfs_sync_list); + INIT_LIST_HEAD(&mp->m_sync_work.w_list); + list_add_tail(&mp->m_sync_work.w_list, + &mp->m_sync_list); } - list_for_each_entry_safe(work, n, &vfsp->vfs_sync_list, w_list) + list_for_each_entry_safe(work, n, &mp->m_sync_list, w_list) list_move(&work->w_list, &tmp); - spin_unlock(&vfsp->vfs_sync_lock); + spin_unlock(&mp->m_sync_lock); list_for_each_entry_safe(work, n, &tmp, w_list) { - (*work->w_syncer)(vfsp, work->w_data); + (*work->w_syncer)(mp, work->w_data); list_del(&work->w_list); - if (work == &vfsp->vfs_sync_work) + if (work == &mp->m_sync_work) continue; kmem_free(work, sizeof(struct bhv_vfs_sync_work)); } @@ -603,41 +595,19 @@ xfssyncd( return 0; } -STATIC int -xfs_fs_start_syncd( - bhv_vfs_t *vfsp) -{ - vfsp->vfs_sync_work.w_syncer = vfs_sync_worker; - vfsp->vfs_sync_work.w_vfs = vfsp; - vfsp->vfs_sync_task = kthread_run(xfssyncd, vfsp, "xfssyncd"); - if (IS_ERR(vfsp->vfs_sync_task)) - return -PTR_ERR(vfsp->vfs_sync_task); - return 0; -} - -STATIC void -xfs_fs_stop_syncd( - bhv_vfs_t *vfsp) -{ - kthread_stop(vfsp->vfs_sync_task); -} - STATIC void xfs_fs_put_super( struct super_block *sb) { - bhv_vfs_t *vfsp = vfs_from_sb(sb); + struct xfs_mount *mp = XFS_M(sb); int error; - xfs_fs_stop_syncd(vfsp); - bhv_vfs_sync(vfsp, SYNC_ATTR | SYNC_DELWRI, NULL); - error = bhv_vfs_unmount(vfsp, 0, NULL); - if (error) { + kthread_stop(mp->m_sync_task); + + xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI); + error = xfs_unmount(mp, 0, NULL); + if (error) printk("XFS: unmount got error=%d\n", error); - printk("%s: vfs=0x%p left dangling!\n", __FUNCTION__, vfsp); - } else { - vfs_deallocate(vfsp); - } } STATIC void @@ -645,7 +615,7 @@ xfs_fs_write_super( struct super_block *sb) { if (!(sb->s_flags & MS_RDONLY)) - bhv_vfs_sync(vfs_from_sb(sb), SYNC_FSDATA, NULL); + xfs_sync(XFS_M(sb), SYNC_FSDATA); sb->s_dirt = 0; } @@ -654,11 +624,23 @@ xfs_fs_sync_super( struct super_block *sb, int wait) { - bhv_vfs_t *vfsp = vfs_from_sb(sb); + struct xfs_mount *mp = XFS_M(sb); int error; int flags; - if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) { + /* + * Treat a sync operation like a freeze. This is to work + * around a race in sync_inodes() which works in two phases + * - an asynchronous flush, which can write out an inode + * without waiting for file size updates to complete, and a + * synchronous flush, which wont do anything because the + * async flush removed the inode's dirty flag. Also + * sync_inodes() will not see any files that just have + * outstanding transactions to be flushed because we don't + * dirty the Linux inode until after the transaction I/O + * completes. + */ + if (wait || unlikely(sb->s_frozen == SB_FREEZE_WRITE)) { /* * First stage of freeze - no more writers will make progress * now we are here, so we flush delwri and delalloc buffers @@ -669,28 +651,28 @@ xfs_fs_sync_super( */ flags = SYNC_DATA_QUIESCE; } else - flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); + flags = SYNC_FSDATA; - error = bhv_vfs_sync(vfsp, flags, NULL); + error = xfs_sync(mp, flags); sb->s_dirt = 0; if (unlikely(laptop_mode)) { - int prev_sync_seq = vfsp->vfs_sync_seq; + int prev_sync_seq = mp->m_sync_seq; /* * The disk must be active because we're syncing. * We schedule xfssyncd now (now that the disk is * active) instead of later (when it might not be). */ - wake_up_process(vfsp->vfs_sync_task); + wake_up_process(mp->m_sync_task); /* * We have to wait for the sync iteration to complete. * If we don't, the disk activity caused by the sync * will come after the sync is completed, and that * triggers another sync from laptop mode. */ - wait_event(vfsp->vfs_wait_single_sync_task, - vfsp->vfs_sync_seq != prev_sync_seq); + wait_event(mp->m_wait_single_sync_task, + mp->m_sync_seq != prev_sync_seq); } return -error; @@ -701,7 +683,7 @@ xfs_fs_statfs( struct dentry *dentry, struct kstatfs *statp) { - return -bhv_vfs_statvfs(vfs_from_sb(dentry->d_sb), statp, + return -xfs_statvfs(XFS_M(dentry->d_sb), statp, vn_from_inode(dentry->d_inode)); } @@ -711,13 +693,13 @@ xfs_fs_remount( int *flags, char *options) { - bhv_vfs_t *vfsp = vfs_from_sb(sb); + struct xfs_mount *mp = XFS_M(sb); struct xfs_mount_args *args = xfs_args_allocate(sb, 0); int error; - error = bhv_vfs_parseargs(vfsp, options, args, 1); + error = xfs_parseargs(mp, options, args, 1); if (!error) - error = bhv_vfs_mntupdate(vfsp, flags, args); + error = xfs_mntupdate(mp, flags, args); kmem_free(args, sizeof(*args)); return -error; } @@ -726,7 +708,7 @@ STATIC void xfs_fs_lockfs( struct super_block *sb) { - bhv_vfs_freeze(vfs_from_sb(sb)); + xfs_freeze(XFS_M(sb)); } STATIC int @@ -734,7 +716,7 @@ xfs_fs_show_options( struct seq_file *m, struct vfsmount *mnt) { - return -bhv_vfs_showargs(vfs_from_sb(mnt->mnt_sb), m); + return -xfs_showargs(XFS_M(mnt->mnt_sb), m); } STATIC int @@ -742,7 +724,7 @@ xfs_fs_quotasync( struct super_block *sb, int type) { - return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XQUOTASYNC, 0, NULL); + return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL); } STATIC int @@ -750,7 +732,7 @@ xfs_fs_getxstate( struct super_block *sb, struct fs_quota_stat *fqs) { - return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XGETQSTAT, 0, (caddr_t)fqs); + return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs); } STATIC int @@ -759,7 +741,7 @@ xfs_fs_setxstate( unsigned int flags, int op) { - return -bhv_vfs_quotactl(vfs_from_sb(sb), op, 0, (caddr_t)&flags); + return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags); } STATIC int @@ -769,7 +751,7 @@ xfs_fs_getxquota( qid_t id, struct fs_disk_quota *fdq) { - return -bhv_vfs_quotactl(vfs_from_sb(sb), + return -XFS_QM_QUOTACTL(XFS_M(sb), (type == USRQUOTA) ? Q_XGETQUOTA : ((type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETPQUOTA), id, (caddr_t)fdq); @@ -782,7 +764,7 @@ xfs_fs_setxquota( qid_t id, struct fs_disk_quota *fdq) { - return -bhv_vfs_quotactl(vfs_from_sb(sb), + return -XFS_QM_QUOTACTL(XFS_M(sb), (type == USRQUOTA) ? Q_XSETQLIM : ((type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETPQLIM), id, (caddr_t)fdq); @@ -794,32 +776,38 @@ xfs_fs_fill_super( void *data, int silent) { - struct bhv_vnode *rootvp; - struct bhv_vfs *vfsp = vfs_allocate(sb); + struct inode *rootvp; + struct xfs_mount *mp = NULL; struct xfs_mount_args *args = xfs_args_allocate(sb, silent); struct kstatfs statvfs; int error; - bhv_insert_all_vfsops(vfsp); + mp = xfs_mount_init(); - error = bhv_vfs_parseargs(vfsp, (char *)data, args, 0); - if (error) { - bhv_remove_all_vfsops(vfsp, 1); + INIT_LIST_HEAD(&mp->m_sync_list); + spin_lock_init(&mp->m_sync_lock); + init_waitqueue_head(&mp->m_wait_single_sync_task); + + mp->m_super = sb; + sb->s_fs_info = mp; + + if (sb->s_flags & MS_RDONLY) + mp->m_flags |= XFS_MOUNT_RDONLY; + + error = xfs_parseargs(mp, (char *)data, args, 0); + if (error) goto fail_vfsop; - } sb_min_blocksize(sb, BBSIZE); sb->s_export_op = &xfs_export_operations; sb->s_qcop = &xfs_quotactl_operations; sb->s_op = &xfs_super_operations; - error = bhv_vfs_mount(vfsp, args, NULL); - if (error) { - bhv_remove_all_vfsops(vfsp, 1); + error = xfs_mount(mp, args, NULL); + if (error) goto fail_vfsop; - } - error = bhv_vfs_statvfs(vfsp, &statvfs, NULL); + error = xfs_statvfs(mp, &statvfs, NULL); if (error) goto fail_unmount; @@ -831,7 +819,7 @@ xfs_fs_fill_super( sb->s_time_gran = 1; set_posix_acl_flag(sb); - error = bhv_vfs_root(vfsp, &rootvp); + error = xfs_root(mp, &rootvp); if (error) goto fail_unmount; @@ -844,9 +832,17 @@ xfs_fs_fill_super( error = EINVAL; goto fail_vnrele; } - if ((error = xfs_fs_start_syncd(vfsp))) + + mp->m_sync_work.w_syncer = xfs_sync_worker; + mp->m_sync_work.w_mount = mp; + mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd"); + if (IS_ERR(mp->m_sync_task)) { + error = -PTR_ERR(mp->m_sync_task); goto fail_vnrele; - vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address); + } + + vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__, + (inst_t *)__return_address); kmem_free(args, sizeof(*args)); return 0; @@ -860,10 +856,9 @@ fail_vnrele: } fail_unmount: - bhv_vfs_unmount(vfsp, 0, NULL); + xfs_unmount(mp, 0, NULL); fail_vfsop: - vfs_deallocate(vfsp); kmem_free(args, sizeof(*args)); return -error; } @@ -915,15 +910,11 @@ STATIC int __init init_xfs_fs( void ) { int error; - struct sysinfo si; static char message[] __initdata = KERN_INFO \ XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled\n"; printk(message); - si_meminfo(&si); - xfs_physmem = si.totalram; - ktrace_init(64); error = xfs_init_zones(); diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h index 201cc3273c8..c78c23310fe 100644 --- a/fs/xfs/linux-2.6/xfs_super.h +++ b/fs/xfs/linux-2.6/xfs_super.h @@ -107,7 +107,8 @@ struct block_device; extern __uint64_t xfs_max_file_offset(unsigned int); -extern void xfs_initialize_vnode(bhv_desc_t *, bhv_vnode_t *, bhv_desc_t *, int); +extern void xfs_initialize_vnode(struct xfs_mount *mp, bhv_vnode_t *vp, + struct xfs_inode *ip); extern void xfs_flush_inode(struct xfs_inode *); extern void xfs_flush_device(struct xfs_inode *); @@ -119,4 +120,6 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *); extern struct export_operations xfs_export_operations; +#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info)) + #endif /* __XFS_SUPER_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_vfs.c b/fs/xfs/linux-2.6/xfs_vfs.c deleted file mode 100644 index 6145e8bd0be..00000000000 --- a/fs/xfs/linux-2.6/xfs_vfs.c +++ /dev/null @@ -1,327 +0,0 @@ -/* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" -#include "xfs_fs.h" -#include "xfs_inum.h" -#include "xfs_log.h" -#include "xfs_clnt.h" -#include "xfs_trans.h" -#include "xfs_sb.h" -#include "xfs_ag.h" -#include "xfs_dir2.h" -#include "xfs_imap.h" -#include "xfs_alloc.h" -#include "xfs_dmapi.h" -#include "xfs_mount.h" -#include "xfs_quota.h" - -int -vfs_mount( - struct bhv_desc *bdp, - struct xfs_mount_args *args, - struct cred *cr) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_mount) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_mount)(next, args, cr)); -} - -int -vfs_parseargs( - struct bhv_desc *bdp, - char *s, - struct xfs_mount_args *args, - int f) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_parseargs) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_parseargs)(next, s, args, f)); -} - -int -vfs_showargs( - struct bhv_desc *bdp, - struct seq_file *m) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_showargs) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_showargs)(next, m)); -} - -int -vfs_unmount( - struct bhv_desc *bdp, - int fl, - struct cred *cr) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_unmount) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_unmount)(next, fl, cr)); -} - -int -vfs_mntupdate( - struct bhv_desc *bdp, - int *fl, - struct xfs_mount_args *args) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_mntupdate) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_mntupdate)(next, fl, args)); -} - -int -vfs_root( - struct bhv_desc *bdp, - struct bhv_vnode **vpp) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_root) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_root)(next, vpp)); -} - -int -vfs_statvfs( - struct bhv_desc *bdp, - bhv_statvfs_t *statp, - struct bhv_vnode *vp) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_statvfs) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_statvfs)(next, statp, vp)); -} - -int -vfs_sync( - struct bhv_desc *bdp, - int fl, - struct cred *cr) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_sync) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_sync)(next, fl, cr)); -} - -int -vfs_vget( - struct bhv_desc *bdp, - struct bhv_vnode **vpp, - struct fid *fidp) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_vget) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_vget)(next, vpp, fidp)); -} - -int -vfs_dmapiops( - struct bhv_desc *bdp, - caddr_t addr) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_dmapiops) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_dmapiops)(next, addr)); -} - -int -vfs_quotactl( - struct bhv_desc *bdp, - int cmd, - int id, - caddr_t addr) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_quotactl) - next = BHV_NEXT(next); - return ((*bhvtovfsops(next)->vfs_quotactl)(next, cmd, id, addr)); -} - -void -vfs_init_vnode( - struct bhv_desc *bdp, - struct bhv_vnode *vp, - struct bhv_desc *bp, - int unlock) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_init_vnode) - next = BHV_NEXT(next); - ((*bhvtovfsops(next)->vfs_init_vnode)(next, vp, bp, unlock)); -} - -void -vfs_force_shutdown( - struct bhv_desc *bdp, - int fl, - char *file, - int line) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_force_shutdown) - next = BHV_NEXT(next); - ((*bhvtovfsops(next)->vfs_force_shutdown)(next, fl, file, line)); -} - -void -vfs_freeze( - struct bhv_desc *bdp) -{ - struct bhv_desc *next = bdp; - - ASSERT(next); - while (! (bhvtovfsops(next))->vfs_freeze) - next = BHV_NEXT(next); - ((*bhvtovfsops(next)->vfs_freeze)(next)); -} - -bhv_vfs_t * -vfs_allocate( - struct super_block *sb) -{ - struct bhv_vfs *vfsp; - - vfsp = kmem_zalloc(sizeof(bhv_vfs_t), KM_SLEEP); - bhv_head_init(VFS_BHVHEAD(vfsp), "vfs"); - INIT_LIST_HEAD(&vfsp->vfs_sync_list); - spin_lock_init(&vfsp->vfs_sync_lock); - init_waitqueue_head(&vfsp->vfs_wait_single_sync_task); - - vfsp->vfs_super = sb; - sb->s_fs_info = vfsp; - - if (sb->s_flags & MS_RDONLY) - vfsp->vfs_flag |= VFS_RDONLY; - - return vfsp; -} - -bhv_vfs_t * -vfs_from_sb( - struct super_block *sb) -{ - return (bhv_vfs_t *)sb->s_fs_info; -} - -void -vfs_deallocate( - struct bhv_vfs *vfsp) -{ - bhv_head_destroy(VFS_BHVHEAD(vfsp)); - kmem_free(vfsp, sizeof(bhv_vfs_t)); -} - -void -vfs_insertops( - struct bhv_vfs *vfsp, - struct bhv_module_vfsops *vfsops) -{ - struct bhv_desc *bdp; - - bdp = kmem_alloc(sizeof(struct bhv_desc), KM_SLEEP); - bhv_desc_init(bdp, NULL, vfsp, vfsops); - bhv_insert(&vfsp->vfs_bh, bdp); -} - -void -vfs_insertbhv( - struct bhv_vfs *vfsp, - struct bhv_desc *bdp, - struct bhv_vfsops *vfsops, - void *mount) -{ - bhv_desc_init(bdp, mount, vfsp, vfsops); - bhv_insert_initial(&vfsp->vfs_bh, bdp); -} - -void -bhv_remove_vfsops( - struct bhv_vfs *vfsp, - int pos) -{ - struct bhv_desc *bhv; - - bhv = bhv_lookup_range(&vfsp->vfs_bh, pos, pos); - if (!bhv) - return; - bhv_remove(&vfsp->vfs_bh, bhv); - kmem_free(bhv, sizeof(*bhv)); -} - -void -bhv_remove_all_vfsops( - struct bhv_vfs *vfsp, - int freebase) -{ - struct xfs_mount *mp; - - bhv_remove_vfsops(vfsp, VFS_POSITION_QM); - bhv_remove_vfsops(vfsp, VFS_POSITION_DM); - if (!freebase) - return; - mp = XFS_VFSTOM(vfsp); - VFS_REMOVEBHV(vfsp, &mp->m_bhv); - xfs_mount_free(mp, 0); -} - -void -bhv_insert_all_vfsops( - struct bhv_vfs *vfsp) -{ - struct xfs_mount *mp; - - mp = xfs_mount_init(); - vfs_insertbhv(vfsp, &mp->m_bhv, &xfs_vfsops, mp); - vfs_insertdmapi(vfsp); - vfs_insertquota(vfsp); -} diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index dca3481aaaf..4da03a4e352 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -21,68 +21,25 @@ #include <linux/vfs.h> #include "xfs_fs.h" -struct bhv_vfs; -struct bhv_vnode; +struct inode; struct fid; struct cred; struct seq_file; struct super_block; +struct xfs_inode; +struct xfs_mount; struct xfs_mount_args; typedef struct kstatfs bhv_statvfs_t; typedef struct bhv_vfs_sync_work { struct list_head w_list; - struct bhv_vfs *w_vfs; + struct xfs_mount *w_mount; void *w_data; /* syncer routine argument */ - void (*w_syncer)(struct bhv_vfs *, void *); + void (*w_syncer)(struct xfs_mount *, void *); } bhv_vfs_sync_work_t; -typedef struct bhv_vfs { - u_int vfs_flag; /* flags */ - xfs_fsid_t vfs_fsid; /* file system ID */ - xfs_fsid_t *vfs_altfsid; /* An ID fixed for life of FS */ - bhv_head_t vfs_bh; /* head of vfs behavior chain */ - struct super_block *vfs_super; /* generic superblock pointer */ - struct task_struct *vfs_sync_task; /* generalised sync thread */ - bhv_vfs_sync_work_t vfs_sync_work; /* work item for VFS_SYNC */ - struct list_head vfs_sync_list; /* sync thread work item list */ - spinlock_t vfs_sync_lock; /* work item list lock */ - int vfs_sync_seq; /* sync thread generation no. */ - wait_queue_head_t vfs_wait_single_sync_task; -} bhv_vfs_t; - -#define bhvtovfs(bdp) ( (struct bhv_vfs *)BHV_VOBJ(bdp) ) -#define bhvtovfsops(bdp) ( (struct bhv_vfsops *)BHV_OPS(bdp) ) -#define VFS_BHVHEAD(vfs) ( &(vfs)->vfs_bh ) -#define VFS_REMOVEBHV(vfs, bdp) ( bhv_remove(VFS_BHVHEAD(vfs), bdp) ) - -#define VFS_POSITION_BASE BHV_POSITION_BASE /* chain bottom */ -#define VFS_POSITION_TOP BHV_POSITION_TOP /* chain top */ -#define VFS_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */ - -typedef enum { - VFS_BHV_UNKNOWN, /* not specified */ - VFS_BHV_XFS, /* xfs */ - VFS_BHV_DM, /* data migration */ - VFS_BHV_QM, /* quota manager */ - VFS_BHV_IO, /* IO path */ - VFS_BHV_END /* housekeeping end-of-range */ -} bhv_vfs_type_t; - -#define VFS_POSITION_XFS (BHV_POSITION_BASE) -#define VFS_POSITION_DM (VFS_POSITION_BASE+10) -#define VFS_POSITION_QM (VFS_POSITION_BASE+20) -#define VFS_POSITION_IO (VFS_POSITION_BASE+30) - -#define VFS_RDONLY 0x0001 /* read-only vfs */ -#define VFS_GRPID 0x0002 /* group-ID assigned from directory */ -#define VFS_DMI 0x0004 /* filesystem has the DMI enabled */ -/* ---- VFS_UMOUNT ---- 0x0008 -- unneeded, fixed via kthread APIs */ -#define VFS_32BITINODES 0x0010 /* do not use inums above 32 bits */ -#define VFS_END 0x0010 /* max flag */ - #define SYNC_ATTR 0x0001 /* sync attributes */ #define SYNC_CLOSE 0x0002 /* close file system down */ #define SYNC_DELWRI 0x0004 /* look at delayed writes */ @@ -115,118 +72,7 @@ typedef enum { #define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */ #define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */ -typedef int (*vfs_mount_t)(bhv_desc_t *, - struct xfs_mount_args *, struct cred *); -typedef int (*vfs_parseargs_t)(bhv_desc_t *, char *, - struct xfs_mount_args *, int); -typedef int (*vfs_showargs_t)(bhv_desc_t *, struct seq_file *); -typedef int (*vfs_unmount_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vfs_mntupdate_t)(bhv_desc_t *, int *, - struct xfs_mount_args *); -typedef int (*vfs_root_t)(bhv_desc_t *, struct bhv_vnode **); -typedef int (*vfs_statvfs_t)(bhv_desc_t *, bhv_statvfs_t *, - struct bhv_vnode *); -typedef int (*vfs_sync_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vfs_vget_t)(bhv_desc_t *, struct bhv_vnode **, struct fid *); -typedef int (*vfs_dmapiops_t)(bhv_desc_t *, caddr_t); -typedef int (*vfs_quotactl_t)(bhv_desc_t *, int, int, caddr_t); -typedef void (*vfs_init_vnode_t)(bhv_desc_t *, - struct bhv_vnode *, bhv_desc_t *, int); -typedef void (*vfs_force_shutdown_t)(bhv_desc_t *, int, char *, int); -typedef void (*vfs_freeze_t)(bhv_desc_t *); - -typedef struct bhv_vfsops { - bhv_position_t vf_position; /* behavior chain position */ - vfs_mount_t vfs_mount; /* mount file system */ - vfs_parseargs_t vfs_parseargs; /* parse mount options */ - vfs_showargs_t vfs_showargs; /* unparse mount options */ - vfs_unmount_t vfs_unmount; /* unmount file system */ - vfs_mntupdate_t vfs_mntupdate; /* update file system options */ - vfs_root_t vfs_root; /* get root vnode */ - vfs_statvfs_t vfs_statvfs; /* file system statistics */ - vfs_sync_t vfs_sync; /* flush files */ - vfs_vget_t vfs_vget; /* get vnode from fid */ - vfs_dmapiops_t vfs_dmapiops; /* data migration */ - vfs_quotactl_t vfs_quotactl; /* disk quota */ - vfs_init_vnode_t vfs_init_vnode; /* initialize a new vnode */ - vfs_force_shutdown_t vfs_force_shutdown; /* crash and burn */ - vfs_freeze_t vfs_freeze; /* freeze fs for snapshot */ -} bhv_vfsops_t; - -/* - * Virtual filesystem operations, operating from head bhv. - */ -#define VFSHEAD(v) ((v)->vfs_bh.bh_first) -#define bhv_vfs_mount(v, ma,cr) vfs_mount(VFSHEAD(v), ma,cr) -#define bhv_vfs_parseargs(v, o,ma,f) vfs_parseargs(VFSHEAD(v), o,ma,f) -#define bhv_vfs_showargs(v, m) vfs_showargs(VFSHEAD(v), m) -#define bhv_vfs_unmount(v, f,cr) vfs_unmount(VFSHEAD(v), f,cr) -#define bhv_vfs_mntupdate(v, fl,args) vfs_mntupdate(VFSHEAD(v), fl,args) -#define bhv_vfs_root(v, vpp) vfs_root(VFSHEAD(v), vpp) -#define bhv_vfs_statvfs(v, sp,vp) vfs_statvfs(VFSHEAD(v), sp,vp) -#define bhv_vfs_sync(v, flag,cr) vfs_sync(VFSHEAD(v), flag,cr) -#define bhv_vfs_vget(v, vpp,fidp) vfs_vget(VFSHEAD(v), vpp,fidp) -#define bhv_vfs_dmapiops(v, p) vfs_dmapiops(VFSHEAD(v), p) -#define bhv_vfs_quotactl(v, c,id,p) vfs_quotactl(VFSHEAD(v), c,id,p) -#define bhv_vfs_init_vnode(v, vp,b,ul) vfs_init_vnode(VFSHEAD(v), vp,b,ul) -#define bhv_vfs_force_shutdown(v,u,f,l) vfs_force_shutdown(VFSHEAD(v), u,f,l) -#define bhv_vfs_freeze(v) vfs_freeze(VFSHEAD(v)) - -/* - * Virtual filesystem operations, operating from next bhv. - */ -#define bhv_next_vfs_mount(b, ma,cr) vfs_mount(b, ma,cr) -#define bhv_next_vfs_parseargs(b, o,ma,f) vfs_parseargs(b, o,ma,f) -#define bhv_next_vfs_showargs(b, m) vfs_showargs(b, m) -#define bhv_next_vfs_unmount(b, f,cr) vfs_unmount(b, f,cr) -#define bhv_next_vfs_mntupdate(b, fl,args) vfs_mntupdate(b, fl, args) -#define bhv_next_vfs_root(b, vpp) vfs_root(b, vpp) -#define bhv_next_vfs_statvfs(b, sp,vp) vfs_statvfs(b, sp,vp) -#define bhv_next_vfs_sync(b, flag,cr) vfs_sync(b, flag,cr) -#define bhv_next_vfs_vget(b, vpp,fidp) vfs_vget(b, vpp,fidp) -#define bhv_next_vfs_dmapiops(b, p) vfs_dmapiops(b, p) -#define bhv_next_vfs_quotactl(b, c,id,p) vfs_quotactl(b, c,id,p) -#define bhv_next_vfs_init_vnode(b, vp,b2,ul) vfs_init_vnode(b, vp,b2,ul) -#define bhv_next_force_shutdown(b, fl,f,l) vfs_force_shutdown(b, fl,f,l) -#define bhv_next_vfs_freeze(b) vfs_freeze(b) - -extern int vfs_mount(bhv_desc_t *, struct xfs_mount_args *, struct cred *); -extern int vfs_parseargs(bhv_desc_t *, char *, struct xfs_mount_args *, int); -extern int vfs_showargs(bhv_desc_t *, struct seq_file *); -extern int vfs_unmount(bhv_desc_t *, int, struct cred *); -extern int vfs_mntupdate(bhv_desc_t *, int *, struct xfs_mount_args *); -extern int vfs_root(bhv_desc_t *, struct bhv_vnode **); -extern int vfs_statvfs(bhv_desc_t *, bhv_statvfs_t *, struct bhv_vnode *); -extern int vfs_sync(bhv_desc_t *, int, struct cred *); -extern int vfs_vget(bhv_desc_t *, struct bhv_vnode **, struct fid *); -extern int vfs_dmapiops(bhv_desc_t *, caddr_t); -extern int vfs_quotactl(bhv_desc_t *, int, int, caddr_t); -extern void vfs_init_vnode(bhv_desc_t *, struct bhv_vnode *, bhv_desc_t *, int); -extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int); -extern void vfs_freeze(bhv_desc_t *); - -#define vfs_test_for_freeze(vfs) ((vfs)->vfs_super->s_frozen) -#define vfs_wait_for_freeze(vfs,l) vfs_check_frozen((vfs)->vfs_super, (l)) - -typedef struct bhv_module_vfsops { - struct bhv_vfsops bhv_common; - void * bhv_custom; -} bhv_module_vfsops_t; - -#define vfs_bhv_lookup(v, id) (bhv_lookup_range(&(v)->vfs_bh, (id), (id))) -#define vfs_bhv_custom(b) (((bhv_module_vfsops_t*)BHV_OPS(b))->bhv_custom) -#define vfs_bhv_set_custom(b,o) ((b)->bhv_custom = (void *)(o)) -#define vfs_bhv_clr_custom(b) ((b)->bhv_custom = NULL) - -extern bhv_vfs_t *vfs_allocate(struct super_block *); -extern bhv_vfs_t *vfs_from_sb(struct super_block *); -extern void vfs_deallocate(bhv_vfs_t *); -extern void vfs_insertbhv(bhv_vfs_t *, bhv_desc_t *, bhv_vfsops_t *, void *); - -extern void vfs_insertops(bhv_vfs_t *, bhv_module_vfsops_t *); - -extern void bhv_insert_all_vfsops(struct bhv_vfs *); -extern void bhv_remove_all_vfsops(struct bhv_vfs *, int); -extern void bhv_remove_vfsops(struct bhv_vfs *, int); +#define xfs_test_for_freeze(mp) ((mp)->m_super->s_frozen) +#define xfs_wait_for_freeze(mp,l) vfs_check_frozen((mp)->m_super, (l)) #endif /* __XFS_VFS_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index ada24baf88d..814169fd7e1 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -16,9 +16,21 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "xfs.h" +#include "xfs_vnodeops.h" +#include "xfs_bmap_btree.h" +#include "xfs_inode.h" + +/* + * And this gunk is needed for xfs_mount.h" + */ +#include "xfs_log.h" +#include "xfs_trans.h" +#include "xfs_sb.h" +#include "xfs_dmapi.h" +#include "xfs_inum.h" +#include "xfs_ag.h" +#include "xfs_mount.h" -uint64_t vn_generation; /* vnode generation number */ -DEFINE_SPINLOCK(vnumber_lock); /* * Dedicated vnode inactive/reclaim sync semaphores. @@ -39,19 +51,19 @@ vn_init(void) void vn_iowait( - bhv_vnode_t *vp) + xfs_inode_t *ip) { - wait_queue_head_t *wq = vptosync(vp); + wait_queue_head_t *wq = vptosync(ip); - wait_event(*wq, (atomic_read(&vp->v_iocount) == 0)); + wait_event(*wq, (atomic_read(&ip->i_iocount) == 0)); } void vn_iowake( - bhv_vnode_t *vp) + xfs_inode_t *ip) { - if (atomic_dec_and_test(&vp->v_iocount)) - wake_up(vptosync(vp)); + if (atomic_dec_and_test(&ip->i_iocount)) + wake_up(vptosync(ip)); } /* @@ -61,13 +73,13 @@ vn_iowake( */ void vn_ioerror( - bhv_vnode_t *vp, + xfs_inode_t *ip, int error, char *f, int l) { if (unlikely(error == -ENODEV)) - bhv_vfs_force_shutdown(vp->v_vfsp, SHUTDOWN_DEVICE_REQ, f, l); + xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, f, l); } bhv_vnode_t * @@ -79,27 +91,8 @@ vn_initialize( XFS_STATS_INC(vn_active); XFS_STATS_INC(vn_alloc); - vp->v_flag = VMODIFIED; - spinlock_init(&vp->v_lock, "v_lock"); - - spin_lock(&vnumber_lock); - if (!++vn_generation) /* v_number shouldn't be zero */ - vn_generation++; - vp->v_number = vn_generation; - spin_unlock(&vnumber_lock); - ASSERT(VN_CACHED(vp) == 0); - /* Initialize the first behavior and the behavior chain head. */ - vn_bhv_head_init(VN_BHV_HEAD(vp), "vnode"); - - atomic_set(&vp->v_iocount, 0); - -#ifdef XFS_VNODE_TRACE - vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP); -#endif /* XFS_VNODE_TRACE */ - - vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address); return vp; } @@ -150,12 +143,12 @@ __vn_revalidate( { int error; - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(xfs_vtoi(vp), __FUNCTION__, (inst_t *)__return_address); vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS; - error = bhv_vop_getattr(vp, vattr, 0, NULL); + error = xfs_getattr(xfs_vtoi(vp), vattr, 0); if (likely(!error)) { vn_revalidate_core(vp, vattr); - VUNMODIFY(vp); + xfs_iflags_clear(xfs_vtoi(vp), XFS_IMODIFIED); } return -error; } @@ -180,24 +173,35 @@ vn_hold( XFS_STATS_INC(vn_hold); - VN_LOCK(vp); inode = igrab(vn_to_inode(vp)); ASSERT(inode); - VN_UNLOCK(vp, 0); return vp; } #ifdef XFS_VNODE_TRACE -#define KTRACE_ENTER(vp, vk, s, line, ra) \ - ktrace_enter( (vp)->v_trace, \ +/* + * Reference count of Linux inode if present, -1 if the xfs_inode + * has no associated Linux inode. + */ +static inline int xfs_icount(struct xfs_inode *ip) +{ + bhv_vnode_t *vp = XFS_ITOV_NULL(ip); + + if (vp) + return vn_count(vp); + return -1; +} + +#define KTRACE_ENTER(ip, vk, s, line, ra) \ + ktrace_enter( (ip)->i_trace, \ /* 0 */ (void *)(__psint_t)(vk), \ /* 1 */ (void *)(s), \ /* 2 */ (void *)(__psint_t) line, \ -/* 3 */ (void *)(__psint_t)(vn_count(vp)), \ +/* 3 */ (void *)(__psint_t)xfs_icount(ip), \ /* 4 */ (void *)(ra), \ -/* 5 */ (void *)(__psunsigned_t)(vp)->v_flag, \ +/* 5 */ NULL, \ /* 6 */ (void *)(__psint_t)current_cpu(), \ /* 7 */ (void *)(__psint_t)current_pid(), \ /* 8 */ (void *)__return_address, \ @@ -207,32 +211,32 @@ vn_hold( * Vnode tracing code. */ void -vn_trace_entry(bhv_vnode_t *vp, const char *func, inst_t *ra) +vn_trace_entry(xfs_inode_t *ip, const char *func, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_ENTRY, func, 0, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_ENTRY, func, 0, ra); } void -vn_trace_exit(bhv_vnode_t *vp, const char *func, inst_t *ra) +vn_trace_exit(xfs_inode_t *ip, const char *func, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_EXIT, func, 0, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_EXIT, func, 0, ra); } void -vn_trace_hold(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_HOLD, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_HOLD, file, line, ra); } void -vn_trace_ref(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_REF, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_REF, file, line, ra); } void -vn_trace_rele(bhv_vnode_t *vp, char *file, int line, inst_t *ra) +vn_trace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra) { - KTRACE_ENTER(vp, VNODE_KTRACE_RELE, file, line, ra); + KTRACE_ENTER(ip, VNODE_KTRACE_RELE, file, line, ra); } #endif /* XFS_VNODE_TRACE */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index 5742d65f078..55fb4694858 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -18,84 +18,31 @@ #ifndef __XFS_VNODE_H__ #define __XFS_VNODE_H__ -struct uio; struct file; -struct bhv_vfs; struct bhv_vattr; struct xfs_iomap; struct attrlist_cursor_kern; typedef struct dentry bhv_vname_t; typedef __u64 bhv_vnumber_t; +typedef struct inode bhv_vnode_t; -typedef enum bhv_vflags { - VMODIFIED = 0x08, /* XFS inode state possibly differs */ - /* to the Linux inode state. */ - VTRUNCATED = 0x40, /* truncated down so flush-on-close */ -} bhv_vflags_t; - -/* - * MP locking protocols: - * v_flag, v_vfsp VN_LOCK/VN_UNLOCK - */ -typedef struct bhv_vnode { - bhv_vflags_t v_flag; /* vnode flags (see above) */ - bhv_vfs_t *v_vfsp; /* ptr to containing VFS */ - bhv_vnumber_t v_number; /* in-core vnode number */ - bhv_head_t v_bh; /* behavior head */ - spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */ - atomic_t v_iocount; /* outstanding I/O count */ -#ifdef XFS_VNODE_TRACE - struct ktrace *v_trace; /* trace header structure */ -#endif - struct inode v_inode; /* Linux inode */ - /* inode MUST be last */ -} bhv_vnode_t; - -#define VN_ISLNK(vp) S_ISLNK((vp)->v_inode.i_mode) -#define VN_ISREG(vp) S_ISREG((vp)->v_inode.i_mode) -#define VN_ISDIR(vp) S_ISDIR((vp)->v_inode.i_mode) -#define VN_ISCHR(vp) S_ISCHR((vp)->v_inode.i_mode) -#define VN_ISBLK(vp) S_ISBLK((vp)->v_inode.i_mode) - -#define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */ -#define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */ -#define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */ - -typedef enum { - VN_BHV_UNKNOWN, /* not specified */ - VN_BHV_XFS, /* xfs */ - VN_BHV_DM, /* data migration */ - VN_BHV_QM, /* quota manager */ - VN_BHV_IO, /* IO path */ - VN_BHV_END /* housekeeping end-of-range */ -} vn_bhv_t; - -#define VNODE_POSITION_XFS (VNODE_POSITION_BASE) -#define VNODE_POSITION_DM (VNODE_POSITION_BASE+10) -#define VNODE_POSITION_QM (VNODE_POSITION_BASE+20) -#define VNODE_POSITION_IO (VNODE_POSITION_BASE+30) - -/* - * Macros for dealing with the behavior descriptor inside of the vnode. - */ -#define BHV_TO_VNODE(bdp) ((bhv_vnode_t *)BHV_VOBJ(bdp)) -#define BHV_TO_VNODE_NULL(bdp) ((bhv_vnode_t *)BHV_VOBJNULL(bdp)) - -#define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh))) -#define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name) -#define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp) +#define VN_ISLNK(vp) S_ISLNK((vp)->i_mode) +#define VN_ISREG(vp) S_ISREG((vp)->i_mode) +#define VN_ISDIR(vp) S_ISDIR((vp)->i_mode) +#define VN_ISCHR(vp) S_ISCHR((vp)->i_mode) +#define VN_ISBLK(vp) S_ISBLK((vp)->i_mode) /* * Vnode to Linux inode mapping. */ -static inline struct bhv_vnode *vn_from_inode(struct inode *inode) +static inline bhv_vnode_t *vn_from_inode(struct inode *inode) { - return container_of(inode, bhv_vnode_t, v_inode); + return inode; } -static inline struct inode *vn_to_inode(struct bhv_vnode *vnode) +static inline struct inode *vn_to_inode(bhv_vnode_t *vnode) { - return &vnode->v_inode; + return vnode; } /* @@ -111,7 +58,7 @@ typedef enum bhv_vrwlock { } bhv_vrwlock_t; /* - * Return values for bhv_vop_inactive. A return value of + * Return values for xfs_inactive. A return value of * VN_INACTIVE_NOCACHE implies that the file system behavior * has disassociated its state and bhv_desc_t from the vnode. */ @@ -119,193 +66,6 @@ typedef enum bhv_vrwlock { #define VN_INACTIVE_NOCACHE 1 /* - * Values for the cmd code given to vop_vnode_change. - */ -typedef enum bhv_vchange { - VCHANGE_FLAGS_FRLOCKS = 0, - VCHANGE_FLAGS_ENF_LOCKING = 1, - VCHANGE_FLAGS_TRUNCATED = 2, - VCHANGE_FLAGS_PAGE_DIRTY = 3, - VCHANGE_FLAGS_IOEXCL_COUNT = 4 -} bhv_vchange_t; - -typedef int (*vop_open_t)(bhv_desc_t *, struct cred *); -typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *, - const struct iovec *, unsigned int, - loff_t *, int, struct cred *); -typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *, - const struct iovec *, unsigned int, - loff_t *, int, struct cred *); -typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *, - struct pipe_inode_info *, size_t, int, int, - struct cred *); -typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *, - struct file *, loff_t *, size_t, int, int, - struct cred *); -typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *, - int, unsigned int, void __user *); -typedef int (*vop_getattr_t)(bhv_desc_t *, struct bhv_vattr *, int, - struct cred *); -typedef int (*vop_setattr_t)(bhv_desc_t *, struct bhv_vattr *, int, - struct cred *); -typedef int (*vop_access_t)(bhv_desc_t *, int, struct cred *); -typedef int (*vop_lookup_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t **, - int, bhv_vnode_t *, struct cred *); -typedef int (*vop_create_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *, - bhv_vnode_t **, struct cred *); -typedef int (*vop_remove_t)(bhv_desc_t *, bhv_vname_t *, struct cred *); -typedef int (*vop_link_t)(bhv_desc_t *, bhv_vnode_t *, bhv_vname_t *, - struct cred *); -typedef int (*vop_rename_t)(bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *, - bhv_vname_t *, struct cred *); -typedef int (*vop_mkdir_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr *, - bhv_vnode_t **, struct cred *); -typedef int (*vop_rmdir_t)(bhv_desc_t *, bhv_vname_t *, struct cred *); -typedef int (*vop_readdir_t)(bhv_desc_t *, struct uio *, struct cred *, - int *); -typedef int (*vop_symlink_t)(bhv_desc_t *, bhv_vname_t *, struct bhv_vattr*, - char *, bhv_vnode_t **, struct cred *); -typedef int (*vop_readlink_t)(bhv_desc_t *, struct uio *, int, - struct cred *); -typedef int (*vop_fsync_t)(bhv_desc_t *, int, struct cred *, - xfs_off_t, xfs_off_t); -typedef int (*vop_inactive_t)(bhv_desc_t *, struct cred *); -typedef int (*vop_fid2_t)(bhv_desc_t *, struct fid *); -typedef int (*vop_release_t)(bhv_desc_t *); -typedef int (*vop_rwlock_t)(bhv_desc_t *, bhv_vrwlock_t); -typedef void (*vop_rwunlock_t)(bhv_desc_t *, bhv_vrwlock_t); -typedef int (*vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int, - struct xfs_iomap *, int *); -typedef int (*vop_reclaim_t)(bhv_desc_t *); -typedef int (*vop_attr_get_t)(bhv_desc_t *, const char *, char *, int *, - int, struct cred *); -typedef int (*vop_attr_set_t)(bhv_desc_t *, const char *, char *, int, - int, struct cred *); -typedef int (*vop_attr_remove_t)(bhv_desc_t *, const char *, - int, struct cred *); -typedef int (*vop_attr_list_t)(bhv_desc_t *, char *, int, int, - struct attrlist_cursor_kern *, struct cred *); -typedef void (*vop_link_removed_t)(bhv_desc_t *, bhv_vnode_t *, int); -typedef void (*vop_vnode_change_t)(bhv_desc_t *, bhv_vchange_t, __psint_t); -typedef void (*vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int); -typedef int (*vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int); -typedef int (*vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, - uint64_t, int); -typedef int (*vop_iflush_t)(bhv_desc_t *, int); - - -typedef struct bhv_vnodeops { - bhv_position_t vn_position; /* position within behavior chain */ - vop_open_t vop_open; - vop_read_t vop_read; - vop_write_t vop_write; - vop_splice_read_t vop_splice_read; - vop_splice_write_t vop_splice_write; - vop_ioctl_t vop_ioctl; - vop_getattr_t vop_getattr; - vop_setattr_t vop_setattr; - vop_access_t vop_access; - vop_lookup_t vop_lookup; - vop_create_t vop_create; - vop_remove_t vop_remove; - vop_link_t vop_link; - vop_rename_t vop_rename; - vop_mkdir_t vop_mkdir; - vop_rmdir_t vop_rmdir; - vop_readdir_t vop_readdir; - vop_symlink_t vop_symlink; - vop_readlink_t vop_readlink; - vop_fsync_t vop_fsync; - vop_inactive_t vop_inactive; - vop_fid2_t vop_fid2; - vop_rwlock_t vop_rwlock; - vop_rwunlock_t vop_rwunlock; - vop_bmap_t vop_bmap; - vop_reclaim_t vop_reclaim; - vop_attr_get_t vop_attr_get; - vop_attr_set_t vop_attr_set; - vop_attr_remove_t vop_attr_remove; - vop_attr_list_t vop_attr_list; - vop_link_removed_t vop_link_removed; - vop_vnode_change_t vop_vnode_change; - vop_ptossvp_t vop_tosspages; - vop_pflushinvalvp_t vop_flushinval_pages; - vop_pflushvp_t vop_flush_pages; - vop_release_t vop_release; - vop_iflush_t vop_iflush; -} bhv_vnodeops_t; - -/* - * Virtual node operations, operating from head bhv. - */ -#define VNHEAD(vp) ((vp)->v_bh.bh_first) -#define VOP(op, vp) (*((bhv_vnodeops_t *)VNHEAD(vp)->bd_ops)->op) -#define bhv_vop_open(vp, cr) VOP(vop_open, vp)(VNHEAD(vp),cr) -#define bhv_vop_read(vp,file,iov,segs,offset,ioflags,cr) \ - VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) -#define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \ - VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) -#define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \ - VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr) -#define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \ - VOP(vop_splice_write, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr) -#define bhv_vop_bmap(vp,of,sz,rw,b,n) \ - VOP(vop_bmap, vp)(VNHEAD(vp),of,sz,rw,b,n) -#define bhv_vop_getattr(vp, vap,f,cr) \ - VOP(vop_getattr, vp)(VNHEAD(vp), vap,f,cr) -#define bhv_vop_setattr(vp, vap,f,cr) \ - VOP(vop_setattr, vp)(VNHEAD(vp), vap,f,cr) -#define bhv_vop_access(vp, mode,cr) VOP(vop_access, vp)(VNHEAD(vp), mode,cr) -#define bhv_vop_lookup(vp,d,vpp,f,rdir,cr) \ - VOP(vop_lookup, vp)(VNHEAD(vp),d,vpp,f,rdir,cr) -#define bhv_vop_create(dvp,d,vap,vpp,cr) \ - VOP(vop_create, dvp)(VNHEAD(dvp),d,vap,vpp,cr) -#define bhv_vop_remove(dvp,d,cr) VOP(vop_remove, dvp)(VNHEAD(dvp),d,cr) -#define bhv_vop_link(dvp,fvp,d,cr) VOP(vop_link, dvp)(VNHEAD(dvp),fvp,d,cr) -#define bhv_vop_rename(fvp,fnm,tdvp,tnm,cr) \ - VOP(vop_rename, fvp)(VNHEAD(fvp),fnm,tdvp,tnm,cr) -#define bhv_vop_mkdir(dp,d,vap,vpp,cr) \ - VOP(vop_mkdir, dp)(VNHEAD(dp),d,vap,vpp,cr) -#define bhv_vop_rmdir(dp,d,cr) VOP(vop_rmdir, dp)(VNHEAD(dp),d,cr) -#define bhv_vop_readdir(vp,uiop,cr,eofp) \ - VOP(vop_readdir, vp)(VNHEAD(vp),uiop,cr,eofp) -#define bhv_vop_symlink(dvp,d,vap,tnm,vpp,cr) \ - VOP(vop_symlink, dvp)(VNHEAD(dvp),d,vap,tnm,vpp,cr) -#define bhv_vop_readlink(vp,uiop,fl,cr) \ - VOP(vop_readlink, vp)(VNHEAD(vp),uiop,fl,cr) -#define bhv_vop_fsync(vp,f,cr,b,e) VOP(vop_fsync, vp)(VNHEAD(vp),f,cr,b,e) -#define bhv_vop_inactive(vp,cr) VOP(vop_inactive, vp)(VNHEAD(vp),cr) -#define bhv_vop_release(vp) VOP(vop_release, vp)(VNHEAD(vp)) -#define bhv_vop_fid2(vp,fidp) VOP(vop_fid2, vp)(VNHEAD(vp),fidp) -#define bhv_vop_rwlock(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i) -#define bhv_vop_rwlock_try(vp,i) VOP(vop_rwlock, vp)(VNHEAD(vp),i) -#define bhv_vop_rwunlock(vp,i) VOP(vop_rwunlock, vp)(VNHEAD(vp),i) -#define bhv_vop_frlock(vp,c,fl,flags,offset,fr) \ - VOP(vop_frlock, vp)(VNHEAD(vp),c,fl,flags,offset,fr) -#define bhv_vop_reclaim(vp) VOP(vop_reclaim, vp)(VNHEAD(vp)) -#define bhv_vop_attr_get(vp, name, val, vallenp, fl, cred) \ - VOP(vop_attr_get, vp)(VNHEAD(vp),name,val,vallenp,fl,cred) -#define bhv_vop_attr_set(vp, name, val, vallen, fl, cred) \ - VOP(vop_attr_set, vp)(VNHEAD(vp),name,val,vallen,fl,cred) -#define bhv_vop_attr_remove(vp, name, flags, cred) \ - VOP(vop_attr_remove, vp)(VNHEAD(vp),name,flags,cred) -#define bhv_vop_attr_list(vp, buf, buflen, fl, cursor, cred) \ - VOP(vop_attr_list, vp)(VNHEAD(vp),buf,buflen,fl,cursor,cred) -#define bhv_vop_link_removed(vp, dvp, linkzero) \ - VOP(vop_link_removed, vp)(VNHEAD(vp), dvp, linkzero) -#define bhv_vop_vnode_change(vp, cmd, val) \ - VOP(vop_vnode_change, vp)(VNHEAD(vp), cmd, val) -#define bhv_vop_toss_pages(vp, first, last, fiopt) \ - VOP(vop_tosspages, vp)(VNHEAD(vp), first, last, fiopt) -#define bhv_vop_flushinval_pages(vp, first, last, fiopt) \ - VOP(vop_flushinval_pages, vp)(VNHEAD(vp),first,last,fiopt) -#define bhv_vop_flush_pages(vp, first, last, flags, fiopt) \ - VOP(vop_flush_pages, vp)(VNHEAD(vp),first,last,flags,fiopt) -#define bhv_vop_ioctl(vp, inode, filp, fl, cmd, arg) \ - VOP(vop_ioctl, vp)(VNHEAD(vp),inode,filp,fl,cmd,arg) -#define bhv_vop_iflush(vp, flags) VOP(vop_iflush, vp)(VNHEAD(vp), flags) - -/* * Flags for read/write calls - same values as IRIX */ #define IO_ISAIO 0x00001 /* don't wait for completion */ @@ -428,16 +188,19 @@ typedef struct bhv_vattr { extern void vn_init(void); extern bhv_vnode_t *vn_initialize(struct inode *); -extern int vn_revalidate(struct bhv_vnode *); -extern int __vn_revalidate(struct bhv_vnode *, bhv_vattr_t *); -extern void vn_revalidate_core(struct bhv_vnode *, bhv_vattr_t *); - -extern void vn_iowait(struct bhv_vnode *vp); -extern void vn_iowake(struct bhv_vnode *vp); +extern int vn_revalidate(bhv_vnode_t *); +extern int __vn_revalidate(bhv_vnode_t *, bhv_vattr_t *); +extern void vn_revalidate_core(bhv_vnode_t *, bhv_vattr_t *); -extern void vn_ioerror(struct bhv_vnode *vp, int error, char *f, int l); +/* + * Yeah, these don't take vnode anymore at all, all this should be + * cleaned up at some point. + */ +extern void vn_iowait(struct xfs_inode *ip); +extern void vn_iowake(struct xfs_inode *ip); +extern void vn_ioerror(struct xfs_inode *ip, int error, char *f, int l); -static inline int vn_count(struct bhv_vnode *vp) +static inline int vn_count(bhv_vnode_t *vp) { return atomic_read(&vn_to_inode(vp)->i_count); } @@ -445,21 +208,21 @@ static inline int vn_count(struct bhv_vnode *vp) /* * Vnode reference counting functions (and macros for compatibility). */ -extern bhv_vnode_t *vn_hold(struct bhv_vnode *); +extern bhv_vnode_t *vn_hold(bhv_vnode_t *); #if defined(XFS_VNODE_TRACE) #define VN_HOLD(vp) \ ((void)vn_hold(vp), \ - vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address)) + vn_trace_hold(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address)) #define VN_RELE(vp) \ - (vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \ + (vn_trace_rele(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address), \ iput(vn_to_inode(vp))) #else #define VN_HOLD(vp) ((void)vn_hold(vp)) #define VN_RELE(vp) (iput(vn_to_inode(vp))) #endif -static inline struct bhv_vnode *vn_grab(struct bhv_vnode *vp) +static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp) { struct inode *inode = igrab(vn_to_inode(vp)); return inode ? vn_from_inode(inode) : NULL; @@ -473,43 +236,14 @@ static inline struct bhv_vnode *vn_grab(struct bhv_vnode *vp) #define VNAME_TO_VNODE(dentry) (vn_from_inode((dentry)->d_inode)) /* - * Vnode spinlock manipulation. - */ -#define VN_LOCK(vp) mutex_spinlock(&(vp)->v_lock) -#define VN_UNLOCK(vp, s) mutex_spinunlock(&(vp)->v_lock, s) - -STATIC_INLINE void vn_flagset(struct bhv_vnode *vp, uint flag) -{ - spin_lock(&vp->v_lock); - vp->v_flag |= flag; - spin_unlock(&vp->v_lock); -} - -STATIC_INLINE uint vn_flagclr(struct bhv_vnode *vp, uint flag) -{ - uint cleared; - - spin_lock(&vp->v_lock); - cleared = (vp->v_flag & flag); - vp->v_flag &= ~flag; - spin_unlock(&vp->v_lock); - return cleared; -} - -#define VMODIFY(vp) vn_flagset(vp, VMODIFIED) -#define VUNMODIFY(vp) vn_flagclr(vp, VMODIFIED) -#define VTRUNCATE(vp) vn_flagset(vp, VTRUNCATED) -#define VUNTRUNCATE(vp) vn_flagclr(vp, VTRUNCATED) - -/* * Dealing with bad inodes */ -static inline void vn_mark_bad(struct bhv_vnode *vp) +static inline void vn_mark_bad(bhv_vnode_t *vp) { make_bad_inode(vn_to_inode(vp)); } -static inline int VN_BAD(struct bhv_vnode *vp) +static inline int VN_BAD(bhv_vnode_t *vp) { return is_bad_inode(vn_to_inode(vp)); } @@ -519,18 +253,18 @@ static inline int VN_BAD(struct bhv_vnode *vp) */ static inline void vn_atime_to_bstime(bhv_vnode_t *vp, xfs_bstime_t *bs_atime) { - bs_atime->tv_sec = vp->v_inode.i_atime.tv_sec; - bs_atime->tv_nsec = vp->v_inode.i_atime.tv_nsec; + bs_atime->tv_sec = vp->i_atime.tv_sec; + bs_atime->tv_nsec = vp->i_atime.tv_nsec; } static inline void vn_atime_to_timespec(bhv_vnode_t *vp, struct timespec *ts) { - *ts = vp->v_inode.i_atime; + *ts = vp->i_atime; } static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt) { - *tt = vp->v_inode.i_atime.tv_sec; + *tt = vp->i_atime.tv_sec; } /* @@ -540,7 +274,6 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt) #define VN_CACHED(vp) (vn_to_inode(vp)->i_mapping->nrpages) #define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \ PAGECACHE_TAG_DIRTY) -#define VN_TRUNC(vp) ((vp)->v_flag & VTRUNCATED) /* * Flags to vop_setattr/getattr. @@ -572,21 +305,17 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt) #define VNODE_KTRACE_REF 4 #define VNODE_KTRACE_RELE 5 -extern void vn_trace_entry(struct bhv_vnode *, const char *, inst_t *); -extern void vn_trace_exit(struct bhv_vnode *, const char *, inst_t *); -extern void vn_trace_hold(struct bhv_vnode *, char *, int, inst_t *); -extern void vn_trace_ref(struct bhv_vnode *, char *, int, inst_t *); -extern void vn_trace_rele(struct bhv_vnode *, char *, int, inst_t *); - -#define VN_TRACE(vp) \ - vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address) +extern void vn_trace_entry(struct xfs_inode *, const char *, inst_t *); +extern void vn_trace_exit(struct xfs_inode *, const char *, inst_t *); +extern void vn_trace_hold(struct xfs_inode *, char *, int, inst_t *); +extern void vn_trace_ref(struct xfs_inode *, char *, int, inst_t *); +extern void vn_trace_rele(struct xfs_inode *, char *, int, inst_t *); #else #define vn_trace_entry(a,b,c) #define vn_trace_exit(a,b,c) #define vn_trace_hold(a,b,c,d) #define vn_trace_ref(a,b,c,d) #define vn_trace_rele(a,b,c,d) -#define VN_TRACE(vp) #endif #endif /* __XFS_VNODE_H__ */ diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 6ff0f4de163..b5f91281b70 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -288,45 +288,6 @@ xfs_qm_rele_quotafs_ref( } /* - * This is called at mount time from xfs_mountfs to initialize the quotainfo - * structure and start the global quota manager (xfs_Gqm) if it hasn't done - * so already. Note that the superblock has not been read in yet. - */ -void -xfs_qm_mount_quotainit( - xfs_mount_t *mp, - uint flags) -{ - /* - * User, projects or group quotas has to be on. - */ - ASSERT(flags & (XFSMNT_UQUOTA | XFSMNT_PQUOTA | XFSMNT_GQUOTA)); - - /* - * Initialize the flags in the mount structure. From this point - * onwards we look at m_qflags to figure out if quotas's ON/OFF, etc. - * Note that we enforce nothing if accounting is off. - * ie. XFSMNT_*QUOTA must be ON for XFSMNT_*QUOTAENF. - * It isn't necessary to take the quotaoff lock to do this; this is - * called from mount. - */ - if (flags & XFSMNT_UQUOTA) { - mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE); - if (flags & XFSMNT_UQUOTAENF) - mp->m_qflags |= XFS_UQUOTA_ENFD; - } - if (flags & XFSMNT_GQUOTA) { - mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE); - if (flags & XFSMNT_GQUOTAENF) - mp->m_qflags |= XFS_OQUOTA_ENFD; - } else if (flags & XFSMNT_PQUOTA) { - mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE); - if (flags & XFSMNT_PQUOTAENF) - mp->m_qflags |= XFS_OQUOTA_ENFD; - } -} - -/* * Just destroy the quotainfo structure. */ void @@ -1039,7 +1000,7 @@ xfs_qm_dqdetach( int xfs_qm_sync( xfs_mount_t *mp, - short flags) + int flags) { int recl, restarts; xfs_dquot_t *dqp; @@ -1717,7 +1678,6 @@ xfs_qm_get_rtblks( xfs_extnum_t idx; /* extent record index */ xfs_ifork_t *ifp; /* inode fork pointer */ xfs_extnum_t nextents; /* number of extent entries */ - xfs_bmbt_rec_t *ep; /* pointer to an extent entry */ int error; ASSERT(XFS_IS_REALTIME_INODE(ip)); @@ -1728,10 +1688,8 @@ xfs_qm_get_rtblks( } rtblks = 0; nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); - for (idx = 0; idx < nextents; idx++) { - ep = xfs_iext_get_ext(ifp, idx); - rtblks += xfs_bmbt_get_blockcount(ep); - } + for (idx = 0; idx < nextents; idx++) + rtblks += xfs_bmbt_get_blockcount(xfs_iext_get_ext(ifp, idx)); *O_rtblks = (xfs_qcnt_t)rtblks; return 0; } @@ -2459,8 +2417,7 @@ xfs_qm_vop_dqalloc( lockflags = XFS_ILOCK_EXCL; xfs_ilock(ip, lockflags); - if ((flags & XFS_QMOPT_INHERIT) && - XFS_INHERIT_GID(ip, XFS_MTOVFS(mp))) + if ((flags & XFS_QMOPT_INHERIT) && XFS_INHERIT_GID(ip)) gid = ip->i_d.di_gid; /* diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h index 689407de0a2..23ccaa5fcea 100644 --- a/fs/xfs/quota/xfs_qm.h +++ b/fs/xfs/quota/xfs_qm.h @@ -166,12 +166,11 @@ typedef struct xfs_dquot_acct { extern void xfs_qm_destroy_quotainfo(xfs_mount_t *); extern int xfs_qm_mount_quotas(xfs_mount_t *, int); -extern void xfs_qm_mount_quotainit(xfs_mount_t *, uint); extern int xfs_qm_quotacheck(xfs_mount_t *); extern void xfs_qm_unmount_quotadestroy(xfs_mount_t *); extern int xfs_qm_unmount_quotas(xfs_mount_t *); extern int xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t); -extern int xfs_qm_sync(xfs_mount_t *, short); +extern int xfs_qm_sync(xfs_mount_t *, int); /* dquot stuff */ extern boolean_t xfs_qm_dqalloc_incore(xfs_dquot_t **); @@ -199,7 +198,8 @@ extern void xfs_qm_freelist_unlink(xfs_dquot_t *); extern int xfs_qm_freelist_lock_nowait(xfs_qm_t *); /* system call interface */ -extern int xfs_qm_quotactl(bhv_desc_t *, int, int, xfs_caddr_t); +extern int xfs_qm_quotactl(struct xfs_mount *, int, int, + xfs_caddr_t); #ifdef DEBUG extern int xfs_qm_internalqcheck(xfs_mount_t *); diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c index d2cdb8a2aad..97bb3293758 100644 --- a/fs/xfs/quota/xfs_qm_bhv.c +++ b/fs/xfs/quota/xfs_qm_bhv.c @@ -48,172 +48,13 @@ #include "xfs_buf_item.h" #include "xfs_qm.h" -#define MNTOPT_QUOTA "quota" /* disk quotas (user) */ -#define MNTOPT_NOQUOTA "noquota" /* no quotas */ -#define MNTOPT_USRQUOTA "usrquota" /* user quota enabled */ -#define MNTOPT_GRPQUOTA "grpquota" /* group quota enabled */ -#define MNTOPT_PRJQUOTA "prjquota" /* project quota enabled */ -#define MNTOPT_UQUOTA "uquota" /* user quota (IRIX variant) */ -#define MNTOPT_GQUOTA "gquota" /* group quota (IRIX variant) */ -#define MNTOPT_PQUOTA "pquota" /* project quota (IRIX variant) */ -#define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */ -#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */ -#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */ -#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */ -STATIC int -xfs_qm_parseargs( - struct bhv_desc *bhv, - char *options, - struct xfs_mount_args *args, - int update) -{ - size_t length; - char *local_options = options; - char *this_char; - int error; - int referenced = update; - - while ((this_char = strsep(&local_options, ",")) != NULL) { - length = strlen(this_char); - if (local_options) - length++; - - if (!strcmp(this_char, MNTOPT_NOQUOTA)) { - args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA); - args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA); - referenced = update; - } else if (!strcmp(this_char, MNTOPT_QUOTA) || - !strcmp(this_char, MNTOPT_UQUOTA) || - !strcmp(this_char, MNTOPT_USRQUOTA)) { - args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF; - referenced = 1; - } else if (!strcmp(this_char, MNTOPT_QUOTANOENF) || - !strcmp(this_char, MNTOPT_UQUOTANOENF)) { - args->flags |= XFSMNT_UQUOTA; - args->flags &= ~XFSMNT_UQUOTAENF; - referenced = 1; - } else if (!strcmp(this_char, MNTOPT_PQUOTA) || - !strcmp(this_char, MNTOPT_PRJQUOTA)) { - args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF; - referenced = 1; - } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) { - args->flags |= XFSMNT_PQUOTA; - args->flags &= ~XFSMNT_PQUOTAENF; - referenced = 1; - } else if (!strcmp(this_char, MNTOPT_GQUOTA) || - !strcmp(this_char, MNTOPT_GRPQUOTA)) { - args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF; - referenced = 1; - } else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) { - args->flags |= XFSMNT_GQUOTA; - args->flags &= ~XFSMNT_GQUOTAENF; - referenced = 1; - } else { - if (local_options) - *(local_options-1) = ','; - continue; - } - - while (length--) - *this_char++ = ','; - } - - if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) { - cmn_err(CE_WARN, - "XFS: cannot mount with both project and group quota"); - return XFS_ERROR(EINVAL); - } - - error = bhv_next_vfs_parseargs(BHV_NEXT(bhv), options, args, update); - if (!error && !referenced) - bhv_remove_vfsops(bhvtovfs(bhv), VFS_POSITION_QM); - return error; -} - -STATIC int -xfs_qm_showargs( - struct bhv_desc *bhv, - struct seq_file *m) -{ - struct bhv_vfs *vfsp = bhvtovfs(bhv); - struct xfs_mount *mp = XFS_VFSTOM(vfsp); - - if (mp->m_qflags & XFS_UQUOTA_ACCT) { - (mp->m_qflags & XFS_UQUOTA_ENFD) ? - seq_puts(m, "," MNTOPT_USRQUOTA) : - seq_puts(m, "," MNTOPT_UQUOTANOENF); - } - - if (mp->m_qflags & XFS_PQUOTA_ACCT) { - (mp->m_qflags & XFS_OQUOTA_ENFD) ? - seq_puts(m, "," MNTOPT_PRJQUOTA) : - seq_puts(m, "," MNTOPT_PQUOTANOENF); - } - - if (mp->m_qflags & XFS_GQUOTA_ACCT) { - (mp->m_qflags & XFS_OQUOTA_ENFD) ? - seq_puts(m, "," MNTOPT_GRPQUOTA) : - seq_puts(m, "," MNTOPT_GQUOTANOENF); - } - - if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT)) - seq_puts(m, "," MNTOPT_NOQUOTA); - - return bhv_next_vfs_showargs(BHV_NEXT(bhv), m); -} - -STATIC int -xfs_qm_mount( - struct bhv_desc *bhv, - struct xfs_mount_args *args, - struct cred *cr) -{ - struct bhv_vfs *vfsp = bhvtovfs(bhv); - struct xfs_mount *mp = XFS_VFSTOM(vfsp); - - if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA | XFSMNT_PQUOTA)) - xfs_qm_mount_quotainit(mp, args->flags); - return bhv_next_vfs_mount(BHV_NEXT(bhv), args, cr); -} - -/* - * Directory tree accounting is implemented using project quotas, where - * the project identifier is inherited from parent directories. - * A statvfs (df, etc.) of a directory that is using project quota should - * return a statvfs of the project, not the entire filesystem. - * This makes such trees appear as if they are filesystems in themselves. - */ -STATIC int -xfs_qm_statvfs( - struct bhv_desc *bhv, +STATIC void +xfs_fill_statvfs_from_dquot( bhv_statvfs_t *statp, - struct bhv_vnode *vnode) + xfs_disk_dquot_t *dp) { - xfs_mount_t *mp; - xfs_inode_t *ip; - xfs_dquot_t *dqp; - xfs_disk_dquot_t *dp; __uint64_t limit; - int error; - - error = bhv_next_vfs_statvfs(BHV_NEXT(bhv), statp, vnode); - if (error || !vnode) - return error; - - mp = xfs_vfstom(bhvtovfs(bhv)); - ip = xfs_vtoi(vnode); - - if (!(ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)) - return 0; - if (!(mp->m_qflags & XFS_PQUOTA_ACCT)) - return 0; - if (!(mp->m_qflags & XFS_OQUOTA_ENFD)) - return 0; - - if (xfs_qm_dqget(mp, NULL, ip->i_d.di_projid, XFS_DQ_PROJ, 0, &dqp)) - return 0; - dp = &dqp->q_core; limit = dp->d_blk_softlimit ? be64_to_cpu(dp->d_blk_softlimit) : @@ -234,37 +75,35 @@ xfs_qm_statvfs( (statp->f_files > be64_to_cpu(dp->d_icount)) ? (statp->f_ffree - be64_to_cpu(dp->d_icount)) : 0; } - - xfs_qm_dqput(dqp); - return 0; } -STATIC int -xfs_qm_syncall( - struct bhv_desc *bhv, - int flags, - cred_t *credp) + +/* + * Directory tree accounting is implemented using project quotas, where + * the project identifier is inherited from parent directories. + * A statvfs (df, etc.) of a directory that is using project quota should + * return a statvfs of the project, not the entire filesystem. + * This makes such trees appear as if they are filesystems in themselves. + */ +STATIC void +xfs_qm_statvfs( + xfs_inode_t *ip, + bhv_statvfs_t *statp) { - struct bhv_vfs *vfsp = bhvtovfs(bhv); - struct xfs_mount *mp = XFS_VFSTOM(vfsp); - int error; + xfs_mount_t *mp = ip->i_mount; + xfs_dquot_t *dqp; - /* - * Get the Quota Manager to flush the dquots. - */ - if (XFS_IS_QUOTA_ON(mp)) { - if ((error = xfs_qm_sync(mp, flags))) { - /* - * If we got an IO error, we will be shutting down. - * So, there's nothing more for us to do here. - */ - ASSERT(error != EIO || XFS_FORCED_SHUTDOWN(mp)); - if (XFS_FORCED_SHUTDOWN(mp)) { - return XFS_ERROR(error); - } - } + if (!(ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) || + !((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))) == + (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD)) + return; + + if (!xfs_qm_dqget(mp, NULL, ip->i_d.di_projid, XFS_DQ_PROJ, 0, &dqp)) { + xfs_disk_dquot_t *dp = &dqp->q_core; + + xfs_fill_statvfs_from_dquot(statp, dp); + xfs_qm_dqput(dqp); } - return bhv_next_vfs_sync(BHV_NEXT(bhv), flags, credp); } STATIC int @@ -382,7 +221,7 @@ xfs_qm_dqrele_null( } -static struct xfs_qmops xfs_qmcore_xfs = { +struct xfs_qmops xfs_qmcore_xfs = { .xfs_qminit = xfs_qm_newmount, .xfs_qmdone = xfs_qm_unmount_quotadestroy, .xfs_qmmount = xfs_qm_endmount, @@ -396,36 +235,24 @@ static struct xfs_qmops xfs_qmcore_xfs = { .xfs_dqvoprename = xfs_qm_vop_rename_dqattach, .xfs_dqvopchown = xfs_qm_vop_chown, .xfs_dqvopchownresv = xfs_qm_vop_chown_reserve, + .xfs_dqstatvfs = xfs_qm_statvfs, + .xfs_dqsync = xfs_qm_sync, + .xfs_quotactl = xfs_qm_quotactl, .xfs_dqtrxops = &xfs_trans_dquot_ops, }; - -struct bhv_module_vfsops xfs_qmops = { { - BHV_IDENTITY_INIT(VFS_BHV_QM, VFS_POSITION_QM), - .vfs_parseargs = xfs_qm_parseargs, - .vfs_showargs = xfs_qm_showargs, - .vfs_mount = xfs_qm_mount, - .vfs_statvfs = xfs_qm_statvfs, - .vfs_sync = xfs_qm_syncall, - .vfs_quotactl = xfs_qm_quotactl, }, -}; - +EXPORT_SYMBOL(xfs_qmcore_xfs); void __init xfs_qm_init(void) { - static char message[] __initdata = - KERN_INFO "SGI XFS Quota Management subsystem\n"; - - printk(message); + printk(KERN_INFO "SGI XFS Quota Management subsystem\n"); mutex_init(&xfs_Gqm_lock); - vfs_bhv_set_custom(&xfs_qmops, &xfs_qmcore_xfs); xfs_qm_init_procfs(); } void __exit xfs_qm_exit(void) { - vfs_bhv_clr_custom(&xfs_qmops); xfs_qm_cleanup_procfs(); if (qm_dqzone) kmem_zone_destroy(qm_dqzone); diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 2df67fd913e..ad5579d4eac 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -81,18 +81,13 @@ STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, */ int xfs_qm_quotactl( - struct bhv_desc *bdp, + xfs_mount_t *mp, int cmd, int id, xfs_caddr_t addr) { - xfs_mount_t *mp; - bhv_vfs_t *vfsp; int error; - vfsp = bhvtovfs(bdp); - mp = XFS_VFSTOM(vfsp); - ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); /* @@ -105,7 +100,7 @@ xfs_qm_quotactl( */ if (XFS_IS_QUOTA_ON(mp)) return XFS_ERROR(EINVAL); - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); return (xfs_qm_scall_trunc_qfiles(mp, xfs_qm_import_qtype_flags(*(uint *)addr))); @@ -121,13 +116,13 @@ xfs_qm_quotactl( * QUOTAON - enabling quota enforcement. * Quota accounting must be turned on at mount time. */ - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); return (xfs_qm_scall_quotaon(mp, xfs_qm_import_flags(*(uint *)addr))); case Q_XQUOTAOFF: - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); break; @@ -143,7 +138,7 @@ xfs_qm_quotactl( switch (cmd) { case Q_XQUOTAOFF: - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_quotaoff(mp, xfs_qm_import_flags(*(uint *)addr), @@ -164,19 +159,19 @@ xfs_qm_quotactl( break; case Q_XSETQLIM: - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, (fs_disk_quota_t *)addr); break; case Q_XSETGQLIM: - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, (fs_disk_quota_t *)addr); break; case Q_XSETPQLIM: - if (vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, (fs_disk_quota_t *)addr); diff --git a/fs/xfs/support/move.c b/fs/xfs/support/move.c deleted file mode 100644 index ac8617ca390..00000000000 --- a/fs/xfs/support/move.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include <xfs.h> - -/* Read from kernel buffer at src to user/kernel buffer defined - * by the uio structure. Advance the pointer in the uio struct - * as we go. - */ -int -xfs_uio_read(caddr_t src, size_t len, struct uio *uio) -{ - size_t count; - - if (!len || !uio->uio_resid) - return 0; - - count = uio->uio_iov->iov_len; - if (!count) - return 0; - if (count > len) - count = len; - - if (uio->uio_segflg == UIO_USERSPACE) { - if (copy_to_user(uio->uio_iov->iov_base, src, count)) - return EFAULT; - } else { - ASSERT(uio->uio_segflg == UIO_SYSSPACE); - memcpy(uio->uio_iov->iov_base, src, count); - } - - uio->uio_iov->iov_base = (void*)((char*)uio->uio_iov->iov_base + count); - uio->uio_iov->iov_len -= count; - uio->uio_offset += count; - uio->uio_resid -= count; - return 0; -} diff --git a/fs/xfs/support/move.h b/fs/xfs/support/move.h deleted file mode 100644 index 324e413dead..00000000000 --- a/fs/xfs/support/move.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Portions Copyright (c) 1982, 1986, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#ifndef __XFS_SUPPORT_MOVE_H__ -#define __XFS_SUPPORT_MOVE_H__ - -#include <linux/uio.h> -#include <asm/uaccess.h> - -/* Segment flag values. */ -enum uio_seg { - UIO_USERSPACE, /* from user data space */ - UIO_SYSSPACE, /* from system space */ -}; - -struct uio { - struct kvec *uio_iov; /* pointer to array of iovecs */ - int uio_iovcnt; /* number of iovecs in array */ - xfs_off_t uio_offset; /* offset in file this uio corresponds to */ - int uio_resid; /* residual i/o count */ - enum uio_seg uio_segflg; /* see above */ -}; - -typedef struct uio uio_t; -typedef struct kvec iovec_t; - -extern int xfs_uio_read (caddr_t, size_t, uio_t *); - -#endif /* __XFS_SUPPORT_MOVE_H__ */ diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 4ca4beb7bb5..5bfb66f33ca 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -32,6 +32,7 @@ #include "xfs_btree.h" #include "xfs_acl.h" #include "xfs_attr.h" +#include "xfs_vnodeops.h" #include <linux/capability.h> #include <linux/posix_acl_xattr.h> @@ -241,7 +242,7 @@ xfs_acl_vget( bhv_vattr_t va; va.va_mask = XFS_AT_MODE; - error = bhv_vop_getattr(vp, &va, 0, sys_cred); + error = xfs_getattr(xfs_vtoi(vp), &va, 0); if (error) goto out; xfs_acl_sync_mode(va.va_mode, xfs_acl); @@ -265,9 +266,10 @@ xfs_acl_vremove( VN_HOLD(vp); error = xfs_acl_allow_set(vp, kind); if (!error) { - error = bhv_vop_attr_remove(vp, kind == _ACL_TYPE_DEFAULT? + error = xfs_attr_remove(xfs_vtoi(vp), + kind == _ACL_TYPE_DEFAULT? SGI_ACL_DEFAULT: SGI_ACL_FILE, - ATTR_ROOT, sys_cred); + ATTR_ROOT); if (error == ENOATTR) error = 0; /* 'scool */ } @@ -370,17 +372,18 @@ xfs_acl_allow_set( bhv_vnode_t *vp, int kind) { + xfs_inode_t *ip = xfs_vtoi(vp); bhv_vattr_t va; int error; - if (vp->v_inode.i_flags & (S_IMMUTABLE|S_APPEND)) + if (vp->i_flags & (S_IMMUTABLE|S_APPEND)) return EPERM; if (kind == _ACL_TYPE_DEFAULT && !VN_ISDIR(vp)) return ENOTDIR; - if (vp->v_vfsp->vfs_flag & VFS_RDONLY) + if (vp->i_sb->s_flags & MS_RDONLY) return EROFS; va.va_mask = XFS_AT_UID; - error = bhv_vop_getattr(vp, &va, 0, NULL); + error = xfs_getattr(ip, &va, 0); if (error) return error; if (va.va_uid != current->fsuid && !capable(CAP_FOWNER)) @@ -613,7 +616,8 @@ xfs_acl_get_attr( ASSERT((flags & ATTR_KERNOVAL) ? (aclp == NULL) : 1); flags |= ATTR_ROOT; - *error = bhv_vop_attr_get(vp, kind == _ACL_TYPE_ACCESS ? + *error = xfs_attr_get(xfs_vtoi(vp), + kind == _ACL_TYPE_ACCESS ? SGI_ACL_FILE : SGI_ACL_DEFAULT, (char *)aclp, &len, flags, sys_cred); if (*error || (flags & ATTR_KERNOVAL)) @@ -651,9 +655,10 @@ xfs_acl_set_attr( INT_SET(newace->ae_perm, ARCH_CONVERT, ace->ae_perm); } INT_SET(newacl->acl_cnt, ARCH_CONVERT, aclp->acl_cnt); - *error = bhv_vop_attr_set(vp, kind == _ACL_TYPE_ACCESS ? + *error = xfs_attr_set(xfs_vtoi(vp), + kind == _ACL_TYPE_ACCESS ? SGI_ACL_FILE: SGI_ACL_DEFAULT, - (char *)newacl, len, ATTR_ROOT, sys_cred); + (char *)newacl, len, ATTR_ROOT); _ACL_FREE(newacl); } @@ -675,7 +680,7 @@ xfs_acl_vtoacl( if (!error) { /* Got the ACL, need the mode... */ va.va_mask = XFS_AT_MODE; - error = bhv_vop_getattr(vp, &va, 0, sys_cred); + error = xfs_getattr(xfs_vtoi(vp), &va, 0); } if (error) @@ -699,7 +704,7 @@ xfs_acl_vtoacl( int xfs_acl_inherit( bhv_vnode_t *vp, - bhv_vattr_t *vap, + mode_t mode, xfs_acl_t *pdaclp) { xfs_acl_t *cacl; @@ -727,7 +732,7 @@ xfs_acl_inherit( return ENOMEM; memcpy(cacl, pdaclp, sizeof(xfs_acl_t)); - xfs_acl_filter_mode(vap->va_mode, cacl); + xfs_acl_filter_mode(mode, cacl); xfs_acl_setmode(vp, cacl, &basicperms); /* @@ -773,7 +778,7 @@ xfs_acl_setmode( * mode. The m:: bits take precedence over the g:: bits. */ va.va_mask = XFS_AT_MODE; - error = bhv_vop_getattr(vp, &va, 0, sys_cred); + error = xfs_getattr(xfs_vtoi(vp), &va, 0); if (error) return error; @@ -807,7 +812,7 @@ xfs_acl_setmode( if (gap && nomask) va.va_mode |= gap->ae_perm << 3; - return bhv_vop_setattr(vp, &va, 0, sys_cred); + return xfs_setattr(xfs_vtoi(vp), &va, 0, sys_cred); } /* diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h index f853cf1a627..34b7d339129 100644 --- a/fs/xfs/xfs_acl.h +++ b/fs/xfs/xfs_acl.h @@ -50,7 +50,6 @@ typedef struct xfs_acl { #ifdef CONFIG_XFS_POSIX_ACL struct vattr; -struct bhv_vnode; struct xfs_inode; extern struct kmem_zone *xfs_acl_zone; @@ -58,20 +57,20 @@ extern struct kmem_zone *xfs_acl_zone; (zone) = kmem_zone_init(sizeof(xfs_acl_t), (name)) #define xfs_acl_zone_destroy(zone) kmem_zone_destroy(zone) -extern int xfs_acl_inherit(struct bhv_vnode *, struct bhv_vattr *, xfs_acl_t *); +extern int xfs_acl_inherit(bhv_vnode_t *, mode_t mode, xfs_acl_t *); extern int xfs_acl_iaccess(struct xfs_inode *, mode_t, cred_t *); -extern int xfs_acl_vtoacl(struct bhv_vnode *, xfs_acl_t *, xfs_acl_t *); -extern int xfs_acl_vhasacl_access(struct bhv_vnode *); -extern int xfs_acl_vhasacl_default(struct bhv_vnode *); -extern int xfs_acl_vset(struct bhv_vnode *, void *, size_t, int); -extern int xfs_acl_vget(struct bhv_vnode *, void *, size_t, int); -extern int xfs_acl_vremove(struct bhv_vnode *, int); +extern int xfs_acl_vtoacl(bhv_vnode_t *, xfs_acl_t *, xfs_acl_t *); +extern int xfs_acl_vhasacl_access(bhv_vnode_t *); +extern int xfs_acl_vhasacl_default(bhv_vnode_t *); +extern int xfs_acl_vset(bhv_vnode_t *, void *, size_t, int); +extern int xfs_acl_vget(bhv_vnode_t *, void *, size_t, int); +extern int xfs_acl_vremove(bhv_vnode_t *, int); #define _ACL_TYPE_ACCESS 1 #define _ACL_TYPE_DEFAULT 2 #define _ACL_PERM_INVALID(perm) ((perm) & ~(ACL_READ|ACL_WRITE|ACL_EXECUTE)) -#define _ACL_INHERIT(c,v,d) (xfs_acl_inherit(c,v,d)) +#define _ACL_INHERIT(c,m,d) (xfs_acl_inherit(c,m,d)) #define _ACL_GET_ACCESS(pv,pa) (xfs_acl_vtoacl(pv,pa,NULL) == 0) #define _ACL_GET_DEFAULT(pv,pd) (xfs_acl_vtoacl(pv,NULL,pd) == 0) #define _ACL_ACCESS_EXISTS xfs_acl_vhasacl_access @@ -91,7 +90,7 @@ extern int xfs_acl_vremove(struct bhv_vnode *, int); #define xfs_acl_vhasacl_default(v) (0) #define _ACL_ALLOC(a) (1) /* successfully allocate nothing */ #define _ACL_FREE(a) ((void)0) -#define _ACL_INHERIT(c,v,d) (0) +#define _ACL_INHERIT(c,m,d) (0) #define _ACL_GET_ACCESS(pv,pa) (0) #define _ACL_GET_DEFAULT(pv,pd) (0) #define _ACL_ACCESS_EXISTS (NULL) diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 51c09c114a2..9381b0360c4 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -197,6 +197,10 @@ typedef struct xfs_perag #endif xfs_perag_busy_t *pagb_list; /* unstable blocks */ atomic_t pagf_fstrms; /* # of filestreams active in this AG */ + + int pag_ici_init; /* incore inode cache initialised */ + rwlock_t pag_ici_lock; /* incore inode lock */ + struct radix_tree_root pag_ici_root; /* incore inode cache root */ } xfs_perag_t; #define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels) diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 7ce44a7b88a..93fa64dd1be 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -49,6 +49,7 @@ #include "xfs_trans_space.h" #include "xfs_acl.h" #include "xfs_rw.h" +#include "xfs_vnodeops.h" /* * xfs_attr.c @@ -156,10 +157,14 @@ xfs_attr_fetch(xfs_inode_t *ip, const char *name, int namelen, } int -xfs_attr_get(bhv_desc_t *bdp, const char *name, char *value, int *valuelenp, - int flags, struct cred *cred) +xfs_attr_get( + xfs_inode_t *ip, + const char *name, + char *value, + int *valuelenp, + int flags, + cred_t *cred) { - xfs_inode_t *ip = XFS_BHVTOI(bdp); int error, namelen; XFS_STATS_INC(xs_attr_get); @@ -417,10 +422,13 @@ out: } int -xfs_attr_set(bhv_desc_t *bdp, const char *name, char *value, int valuelen, int flags, - struct cred *cred) +xfs_attr_set( + xfs_inode_t *dp, + const char *name, + char *value, + int valuelen, + int flags) { - xfs_inode_t *dp; int namelen; namelen = strlen(name); @@ -429,7 +437,6 @@ xfs_attr_set(bhv_desc_t *bdp, const char *name, char *value, int valuelen, int f XFS_STATS_INC(xs_attr_set); - dp = XFS_BHVTOI(bdp); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return (EIO); @@ -563,10 +570,12 @@ out: } int -xfs_attr_remove(bhv_desc_t *bdp, const char *name, int flags, struct cred *cred) +xfs_attr_remove( + xfs_inode_t *dp, + const char *name, + int flags) { - xfs_inode_t *dp; - int namelen; + int namelen; namelen = strlen(name); if (namelen >= MAXNAMELEN) @@ -574,7 +583,6 @@ xfs_attr_remove(bhv_desc_t *bdp, const char *name, int flags, struct cred *cred) XFS_STATS_INC(xs_attr_remove); - dp = XFS_BHVTOI(bdp); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return (EIO); @@ -702,11 +710,14 @@ xfs_attr_kern_list_sizes(xfs_attr_list_context_t *context, attrnames_t *namesp, * success. */ int -xfs_attr_list(bhv_desc_t *bdp, char *buffer, int bufsize, int flags, - attrlist_cursor_kern_t *cursor, struct cred *cred) +xfs_attr_list( + xfs_inode_t *dp, + char *buffer, + int bufsize, + int flags, + attrlist_cursor_kern_t *cursor) { xfs_attr_list_context_t context; - xfs_inode_t *dp; int error; XFS_STATS_INC(xs_attr_list); @@ -731,7 +742,7 @@ xfs_attr_list(bhv_desc_t *bdp, char *buffer, int bufsize, int flags, /* * Initialize the output buffer. */ - context.dp = dp = XFS_BHVTOI(bdp); + context.dp = dp; context.cursor = cursor; context.count = 0; context.dupcnt = 0; @@ -2502,7 +2513,7 @@ STATIC int attr_generic_set( bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags) { - return -bhv_vop_attr_set(vp, name, data, size, xflags, NULL); + return -xfs_attr_set(xfs_vtoi(vp), name, data, size, xflags); } STATIC int @@ -2511,7 +2522,8 @@ attr_generic_get( { int error, asize = size; - error = bhv_vop_attr_get(vp, name, data, &asize, xflags, NULL); + error = xfs_attr_get(xfs_vtoi(vp), name, data, + &asize, xflags, NULL); if (!error) return asize; return -error; @@ -2521,7 +2533,7 @@ STATIC int attr_generic_remove( bhv_vnode_t *vp, char *name, int xflags) { - return -bhv_vop_attr_remove(vp, name, xflags, NULL); + return -xfs_attr_remove(xfs_vtoi(vp), name, xflags); } STATIC int @@ -2576,7 +2588,7 @@ attr_generic_list( attrlist_cursor_kern_t cursor = { 0 }; int error; - error = bhv_vop_attr_list(vp, data, size, xflags, &cursor, NULL); + error = xfs_attr_list(xfs_vtoi(vp), data, size, xflags, &cursor); if (error > 0) return -error; *result = -error; diff --git a/fs/xfs/xfs_attr.h b/fs/xfs/xfs_attr.h index 783977d3ea7..786eba3121c 100644 --- a/fs/xfs/xfs_attr.h +++ b/fs/xfs/xfs_attr.h @@ -36,14 +36,13 @@ *========================================================================*/ struct cred; -struct bhv_vnode; struct xfs_attr_list_context; -typedef int (*attrset_t)(struct bhv_vnode *, char *, void *, size_t, int); -typedef int (*attrget_t)(struct bhv_vnode *, char *, void *, size_t, int); -typedef int (*attrremove_t)(struct bhv_vnode *, char *, int); -typedef int (*attrexists_t)(struct bhv_vnode *); -typedef int (*attrcapable_t)(struct bhv_vnode *, struct cred *); +typedef int (*attrset_t)(bhv_vnode_t *, char *, void *, size_t, int); +typedef int (*attrget_t)(bhv_vnode_t *, char *, void *, size_t, int); +typedef int (*attrremove_t)(bhv_vnode_t *, char *, int); +typedef int (*attrexists_t)(bhv_vnode_t *); +typedef int (*attrcapable_t)(bhv_vnode_t *, struct cred *); typedef struct attrnames { char * attr_name; @@ -64,7 +63,7 @@ extern struct attrnames attr_trusted; extern struct attrnames *attr_namespaces[ATTR_NAMECOUNT]; extern attrnames_t *attr_lookup_namespace(char *, attrnames_t **, int); -extern int attr_generic_list(struct bhv_vnode *, void *, size_t, int, ssize_t *); +extern int attr_generic_list(bhv_vnode_t *, void *, size_t, int, ssize_t *); #define ATTR_DONTFOLLOW 0x0001 /* -- unused, from IRIX -- */ #define ATTR_ROOT 0x0002 /* use attrs in root (trusted) namespace */ @@ -159,12 +158,8 @@ struct xfs_da_args; /* * Overall external interface routines. */ -int xfs_attr_get(bhv_desc_t *, const char *, char *, int *, int, struct cred *); -int xfs_attr_set(bhv_desc_t *, const char *, char *, int, int, struct cred *); int xfs_attr_set_int(struct xfs_inode *, const char *, int, char *, int, int); -int xfs_attr_remove(bhv_desc_t *, const char *, int, struct cred *); int xfs_attr_remove_int(struct xfs_inode *, const char *, int, int); -int xfs_attr_list(bhv_desc_t *, char *, int, int, struct attrlist_cursor_kern *, struct cred *); int xfs_attr_list_int(struct xfs_attr_list_context *); int xfs_attr_inactive(struct xfs_inode *dp); diff --git a/fs/xfs/xfs_behavior.c b/fs/xfs/xfs_behavior.c deleted file mode 100644 index 0dc17219d41..00000000000 --- a/fs/xfs/xfs_behavior.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "xfs.h" - -/* - * Source file used to associate/disassociate behaviors with virtualized - * objects. See xfs_behavior.h for more information about behaviors, etc. - * - * The implementation is split between functions in this file and macros - * in xfs_behavior.h. - */ - -/* - * Insert a new behavior descriptor into a behavior chain. - * - * The behavior chain is ordered based on the 'position' number which - * lives in the first field of the ops vector (higher numbers first). - * - * Attempts to insert duplicate ops result in an EINVAL return code. - * Otherwise, return 0 to indicate success. - */ -int -bhv_insert(bhv_head_t *bhp, bhv_desc_t *bdp) -{ - bhv_desc_t *curdesc, *prev; - int position; - - /* - * Validate the position value of the new behavior. - */ - position = BHV_POSITION(bdp); - ASSERT(position >= BHV_POSITION_BASE && position <= BHV_POSITION_TOP); - - /* - * Find location to insert behavior. Check for duplicates. - */ - prev = NULL; - for (curdesc = bhp->bh_first; - curdesc != NULL; - curdesc = curdesc->bd_next) { - - /* Check for duplication. */ - if (curdesc->bd_ops == bdp->bd_ops) { - ASSERT(0); - return EINVAL; - } - - /* Find correct position */ - if (position >= BHV_POSITION(curdesc)) { - ASSERT(position != BHV_POSITION(curdesc)); - break; /* found it */ - } - - prev = curdesc; - } - - if (prev == NULL) { - /* insert at front of chain */ - bdp->bd_next = bhp->bh_first; - bhp->bh_first = bdp; - } else { - /* insert after prev */ - bdp->bd_next = prev->bd_next; - prev->bd_next = bdp; - } - - return 0; -} - -/* - * Remove a behavior descriptor from a position in a behavior chain; - * the position is guaranteed not to be the first position. - * Should only be called by the bhv_remove() macro. - */ -void -bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp) -{ - bhv_desc_t *curdesc, *prev; - - ASSERT(bhp->bh_first != NULL); - ASSERT(bhp->bh_first->bd_next != NULL); - - prev = bhp->bh_first; - for (curdesc = bhp->bh_first->bd_next; - curdesc != NULL; - curdesc = curdesc->bd_next) { - - if (curdesc == bdp) - break; /* found it */ - prev = curdesc; - } - - ASSERT(curdesc == bdp); - prev->bd_next = bdp->bd_next; /* remove from after prev */ -} - -/* - * Looks for the first behavior within a specified range of positions. - * Return the associated behavior descriptor. Or NULL, if none found. - */ -bhv_desc_t * -bhv_lookup_range(bhv_head_t *bhp, int low, int high) -{ - bhv_desc_t *curdesc; - - for (curdesc = bhp->bh_first; - curdesc != NULL; - curdesc = curdesc->bd_next) { - - int position = BHV_POSITION(curdesc); - - if (position <= high) { - if (position >= low) - return curdesc; - return NULL; - } - } - - return NULL; -} - -/* - * Return the base behavior in the chain, or NULL if the chain - * is empty. - * - * The caller has not read locked the behavior chain, so acquire the - * lock before traversing the chain. - */ -bhv_desc_t * -bhv_base(bhv_head_t *bhp) -{ - bhv_desc_t *curdesc; - - for (curdesc = bhp->bh_first; - curdesc != NULL; - curdesc = curdesc->bd_next) { - - if (curdesc->bd_next == NULL) { - return curdesc; - } - } - - return NULL; -} - -void -bhv_head_init( - bhv_head_t *bhp, - char *name) -{ - bhp->bh_first = NULL; -} - -void -bhv_insert_initial( - bhv_head_t *bhp, - bhv_desc_t *bdp) -{ - ASSERT(bhp->bh_first == NULL); - (bhp)->bh_first = bdp; -} - -void -bhv_head_destroy( - bhv_head_t *bhp) -{ - ASSERT(bhp->bh_first == NULL); -} diff --git a/fs/xfs/xfs_behavior.h b/fs/xfs/xfs_behavior.h deleted file mode 100644 index e7ca1fed955..00000000000 --- a/fs/xfs/xfs_behavior.h +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_BEHAVIOR_H__ -#define __XFS_BEHAVIOR_H__ - -/* - * Header file used to associate behaviors with virtualized objects. - * - * A virtualized object is an internal, virtualized representation of - * OS entities such as persistent files, processes, or sockets. Examples - * of virtualized objects include vnodes, vprocs, and vsockets. Often - * a virtualized object is referred to simply as an "object." - * - * A behavior is essentially an implementation layer associated with - * an object. Multiple behaviors for an object are chained together, - * the order of chaining determining the order of invocation. Each - * behavior of a given object implements the same set of interfaces - * (e.g., the VOP interfaces). - * - * Behaviors may be dynamically inserted into an object's behavior chain, - * such that the addition is transparent to consumers that already have - * references to the object. Typically, a given behavior will be inserted - * at a particular location in the behavior chain. Insertion of new - * behaviors is synchronized with operations-in-progress (oip's) so that - * the oip's always see a consistent view of the chain. - * - * The term "interposition" is used to refer to the act of inserting - * a behavior such that it interposes on (i.e., is inserted in front - * of) a particular other behavior. A key example of this is when a - * system implementing distributed single system image wishes to - * interpose a distribution layer (providing distributed coherency) - * in front of an object that is otherwise only accessed locally. - * - * Note that the traditional vnode/inode combination is simply a virtualized - * object that has exactly one associated behavior. - * - * Behavior synchronization is logic which is necessary under certain - * circumstances that there is no conflict between ongoing operations - * traversing the behavior chain and those dynamically modifying the - * behavior chain. Because behavior synchronization adds extra overhead - * to virtual operation invocation, we want to restrict, as much as - * we can, the requirement for this extra code, to those situations - * in which it is truly necessary. - * - * Behavior synchronization is needed whenever there's at least one class - * of object in the system for which: - * 1) multiple behaviors for a given object are supported, - * -- AND -- - * 2a) insertion of a new behavior can happen dynamically at any time during - * the life of an active object, - * -- AND -- - * 3a) insertion of a new behavior needs to synchronize with existing - * ops-in-progress. - * -- OR -- - * 3b) multiple different behaviors can be dynamically inserted at - * any time during the life of an active object - * -- OR -- - * 3c) removal of a behavior can occur at any time during the life of - * an active object. - * -- OR -- - * 2b) removal of a behavior can occur at any time during the life of an - * active object - * - */ - -/* - * Behavior head. Head of the chain of behaviors. - * Contained within each virtualized object data structure. - */ -typedef struct bhv_head { - struct bhv_desc *bh_first; /* first behavior in chain */ -} bhv_head_t; - -/* - * Behavior descriptor. Descriptor associated with each behavior. - * Contained within the behavior's private data structure. - */ -typedef struct bhv_desc { - void *bd_pdata; /* private data for this behavior */ - void *bd_vobj; /* virtual object associated with */ - void *bd_ops; /* ops for this behavior */ - struct bhv_desc *bd_next; /* next behavior in chain */ -} bhv_desc_t; - -/* - * Behavior identity field. A behavior's identity determines the position - * where it lives within a behavior chain, and it's always the first field - * of the behavior's ops vector. The optional id field further identifies the - * subsystem responsible for the behavior. - */ -typedef struct bhv_identity { - __u16 bi_id; /* owning subsystem id */ - __u16 bi_position; /* position in chain */ -} bhv_identity_t; - -typedef bhv_identity_t bhv_position_t; - -#define BHV_IDENTITY_INIT(id,pos) {id, pos} -#define BHV_IDENTITY_INIT_POSITION(pos) BHV_IDENTITY_INIT(0, pos) - -/* - * Define boundaries of position values. - */ -#define BHV_POSITION_INVALID 0 /* invalid position number */ -#define BHV_POSITION_BASE 1 /* base (last) implementation layer */ -#define BHV_POSITION_TOP 63 /* top (first) implementation layer */ - -/* - * Plumbing macros. - */ -#define BHV_HEAD_FIRST(bhp) (ASSERT((bhp)->bh_first), (bhp)->bh_first) -#define BHV_NEXT(bdp) (ASSERT((bdp)->bd_next), (bdp)->bd_next) -#define BHV_NEXTNULL(bdp) ((bdp)->bd_next) -#define BHV_VOBJ(bdp) (ASSERT((bdp)->bd_vobj), (bdp)->bd_vobj) -#define BHV_VOBJNULL(bdp) ((bdp)->bd_vobj) -#define BHV_PDATA(bdp) (bdp)->bd_pdata -#define BHV_OPS(bdp) (bdp)->bd_ops -#define BHV_IDENTITY(bdp) ((bhv_identity_t *)(bdp)->bd_ops) -#define BHV_POSITION(bdp) (BHV_IDENTITY(bdp)->bi_position) - -extern void bhv_head_init(bhv_head_t *, char *); -extern void bhv_head_destroy(bhv_head_t *); -extern int bhv_insert(bhv_head_t *, bhv_desc_t *); -extern void bhv_insert_initial(bhv_head_t *, bhv_desc_t *); - -/* - * Initialize a new behavior descriptor. - * Arguments: - * bdp - pointer to behavior descriptor - * pdata - pointer to behavior's private data - * vobj - pointer to associated virtual object - * ops - pointer to ops for this behavior - */ -#define bhv_desc_init(bdp, pdata, vobj, ops) \ - { \ - (bdp)->bd_pdata = pdata; \ - (bdp)->bd_vobj = vobj; \ - (bdp)->bd_ops = ops; \ - (bdp)->bd_next = NULL; \ - } - -/* - * Remove a behavior descriptor from a behavior chain. - */ -#define bhv_remove(bhp, bdp) \ - { \ - if ((bhp)->bh_first == (bdp)) { \ - /* \ - * Remove from front of chain. \ - * Atomic wrt oip's. \ - */ \ - (bhp)->bh_first = (bdp)->bd_next; \ - } else { \ - /* remove from non-front of chain */ \ - bhv_remove_not_first(bhp, bdp); \ - } \ - (bdp)->bd_vobj = NULL; \ - } - -/* - * Behavior module prototypes. - */ -extern void bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp); -extern bhv_desc_t * bhv_lookup_range(bhv_head_t *bhp, int low, int high); -extern bhv_desc_t * bhv_base(bhv_head_t *bhp); - -/* No bhv locking on Linux */ -#define bhv_base_unlocked bhv_base - -#endif /* __XFS_BEHAVIOR_H__ */ diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 94b5c5fe268..2e9b34b7344 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -53,6 +53,7 @@ #include "xfs_trans_space.h" #include "xfs_buf_item.h" #include "xfs_filestream.h" +#include "xfs_vnodeops.h" #ifdef DEBUG @@ -248,7 +249,7 @@ xfs_bmap_local_to_extents( * Else, *lastxp will be set to the index of the found * entry; *gotp will contain the entry. */ -STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */ +STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */ xfs_bmap_search_extents( xfs_inode_t *ip, /* incore inode pointer */ xfs_fileoff_t bno, /* block number searched for */ @@ -273,21 +274,6 @@ xfs_bmap_isaeof( #ifdef XFS_BMAP_TRACE /* - * Add a bmap trace buffer entry. Base routine for the others. - */ -STATIC void -xfs_bmap_trace_addentry( - int opcode, /* operation */ - const char *fname, /* function name */ - char *desc, /* operation description */ - xfs_inode_t *ip, /* incore inode pointer */ - xfs_extnum_t idx, /* index of entry(ies) */ - xfs_extnum_t cnt, /* count of entries, 1 or 2 */ - xfs_bmbt_rec_t *r1, /* first record */ - xfs_bmbt_rec_t *r2, /* second record or null */ - int whichfork); /* data or attr fork */ - -/* * Add bmap trace entry prior to a call to xfs_iext_remove. */ STATIC void @@ -714,7 +700,7 @@ xfs_bmap_add_extent_delay_real( { xfs_btree_cur_t *cur; /* btree cursor */ int diff; /* temp value */ - xfs_bmbt_rec_t *ep; /* extent entry for idx */ + xfs_bmbt_rec_host_t *ep; /* extent entry for idx */ int error; /* error return value */ int i; /* temp state */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -1270,7 +1256,7 @@ xfs_bmap_add_extent_unwritten_real( xfs_extdelta_t *delta) /* Change made to incore extents */ { xfs_btree_cur_t *cur; /* btree cursor */ - xfs_bmbt_rec_t *ep; /* extent entry for idx */ + xfs_bmbt_rec_host_t *ep; /* extent entry for idx */ int error; /* error return value */ int i; /* temp state */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -1823,7 +1809,7 @@ xfs_bmap_add_extent_hole_delay( xfs_extdelta_t *delta, /* Change made to incore extents */ int rsvd) /* OK to allocate reserved blocks */ { - xfs_bmbt_rec_t *ep; /* extent record for idx */ + xfs_bmbt_rec_host_t *ep; /* extent record for idx */ xfs_ifork_t *ifp; /* inode fork pointer */ xfs_bmbt_irec_t left; /* left neighbor extent entry */ xfs_filblks_t newlen=0; /* new indirect size */ @@ -2012,7 +1998,7 @@ xfs_bmap_add_extent_hole_real( xfs_extdelta_t *delta, /* Change made to incore extents */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t *ep; /* pointer to extent entry ins. point */ + xfs_bmbt_rec_host_t *ep; /* pointer to extent entry ins. point */ int error; /* error return value */ int i; /* temp state */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -3070,7 +3056,7 @@ xfs_bmap_del_extent( xfs_fileoff_t del_endoff; /* first offset past del */ int delay; /* current block is delayed allocated */ int do_fx; /* free extent at end of routine */ - xfs_bmbt_rec_t *ep; /* current extent entry pointer */ + xfs_bmbt_rec_host_t *ep; /* current extent entry pointer */ int error; /* error return value */ int flags; /* inode logging flags */ xfs_bmbt_irec_t got; /* current extent entry */ @@ -3418,7 +3404,7 @@ xfs_bmap_extents_to_btree( xfs_bmbt_rec_t *arp; /* child record pointer */ xfs_bmbt_block_t *block; /* btree root block */ xfs_btree_cur_t *cur; /* bmap btree cursor */ - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ int error; /* error return value */ xfs_extnum_t i, cnt; /* extent record index */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -3507,8 +3493,8 @@ xfs_bmap_extents_to_btree( for (cnt = i = 0; i < nextents; i++) { ep = xfs_iext_get_ext(ifp, i); if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) { - arp->l0 = INT_GET(ep->l0, ARCH_CONVERT); - arp->l1 = INT_GET(ep->l1, ARCH_CONVERT); + arp->l0 = cpu_to_be64(ep->l0); + arp->l1 = cpu_to_be64(ep->l1); arp++; cnt++; } } @@ -3590,7 +3576,7 @@ xfs_bmap_local_to_extents( if (ifp->if_bytes) { xfs_alloc_arg_t args; /* allocation arguments */ xfs_buf_t *bp; /* buffer for extent block */ - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep;/* extent record pointer */ args.tp = tp; args.mp = ip->i_mount; @@ -3655,7 +3641,7 @@ done: * entry (null if none). Else, *lastxp will be set to the index * of the found entry; *gotp will contain the entry. */ -xfs_bmbt_rec_t * /* pointer to found extent entry */ +xfs_bmbt_rec_host_t * /* pointer to found extent entry */ xfs_bmap_search_multi_extents( xfs_ifork_t *ifp, /* inode fork pointer */ xfs_fileoff_t bno, /* block number searched for */ @@ -3664,7 +3650,7 @@ xfs_bmap_search_multi_extents( xfs_bmbt_irec_t *gotp, /* out: extent entry found */ xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ { - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ xfs_extnum_t lastx; /* last extent index */ /* @@ -3706,7 +3692,7 @@ xfs_bmap_search_multi_extents( * Else, *lastxp will be set to the index of the found * entry; *gotp will contain the entry. */ -STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */ +STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */ xfs_bmap_search_extents( xfs_inode_t *ip, /* incore inode pointer */ xfs_fileoff_t bno, /* block number searched for */ @@ -3717,7 +3703,7 @@ xfs_bmap_search_extents( xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */ { xfs_ifork_t *ifp; /* inode fork pointer */ - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ XFS_STATS_INC(xs_look_exlist); ifp = XFS_IFORK_PTR(ip, fork); @@ -3757,11 +3743,11 @@ xfs_bmap_trace_addentry( xfs_inode_t *ip, /* incore inode pointer */ xfs_extnum_t idx, /* index of entry(ies) */ xfs_extnum_t cnt, /* count of entries, 1 or 2 */ - xfs_bmbt_rec_t *r1, /* first record */ - xfs_bmbt_rec_t *r2, /* second record or null */ + xfs_bmbt_rec_host_t *r1, /* first record */ + xfs_bmbt_rec_host_t *r2, /* second record or null */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t tr2; + xfs_bmbt_rec_host_t tr2; ASSERT(cnt == 1 || cnt == 2); ASSERT(r1 != NULL); @@ -3842,8 +3828,8 @@ xfs_bmap_trace_insert( xfs_bmbt_irec_t *r2, /* inserted record 2 or null */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t tr1; /* compressed record 1 */ - xfs_bmbt_rec_t tr2; /* compressed record 2 if needed */ + xfs_bmbt_rec_host_t tr1; /* compressed record 1 */ + xfs_bmbt_rec_host_t tr2; /* compressed record 2 if needed */ xfs_bmbt_set_all(&tr1, r1); if (cnt == 2) { @@ -4316,7 +4302,6 @@ xfs_bmap_first_unused( xfs_fileoff_t *first_unused, /* unused block */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t *ep; /* pointer to an extent entry */ int error; /* error return value */ int idx; /* extent record index */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -4340,7 +4325,7 @@ xfs_bmap_first_unused( lowest = *first_unused; nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); for (idx = 0, lastaddr = 0, max = lowest; idx < nextents; idx++) { - ep = xfs_iext_get_ext(ifp, idx); + xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx); off = xfs_bmbt_get_startoff(ep); /* * See if the hole before this extent will work. @@ -4371,7 +4356,7 @@ xfs_bmap_last_before( { xfs_fileoff_t bno; /* input file offset */ int eof; /* hit end of file */ - xfs_bmbt_rec_t *ep; /* pointer to last extent */ + xfs_bmbt_rec_host_t *ep; /* pointer to last extent */ int error; /* error return value */ xfs_bmbt_irec_t got; /* current extent value */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -4417,7 +4402,7 @@ xfs_bmap_last_offset( xfs_fileoff_t *last_block, /* last block */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t *ep; /* pointer to last extent */ + xfs_bmbt_rec_host_t *ep; /* pointer to last extent */ int error; /* error return value */ xfs_ifork_t *ifp; /* inode fork pointer */ xfs_extnum_t nextents; /* number of extent entries */ @@ -4454,7 +4439,7 @@ xfs_bmap_one_block( xfs_inode_t *ip, /* incore inode */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t *ep; /* ptr to fork's extent */ + xfs_bmbt_rec_host_t *ep; /* ptr to fork's extent */ xfs_ifork_t *ifp; /* inode fork pointer */ int rval; /* return value */ xfs_bmbt_irec_t s; /* internal version of extent */ @@ -4549,7 +4534,7 @@ xfs_bmap_read_extents( * Loop over all leaf nodes. Copy information to the extent records. */ for (;;) { - xfs_bmbt_rec_t *frp, *trp; + xfs_bmbt_rec_t *frp; xfs_fsblock_t nextbno; xfs_extnum_t num_recs; xfs_extnum_t start; @@ -4581,9 +4566,9 @@ xfs_bmap_read_extents( frp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1); start = i; for (j = 0; j < num_recs; j++, i++, frp++) { - trp = xfs_iext_get_ext(ifp, i); - trp->l0 = INT_GET(frp->l0, ARCH_CONVERT); - trp->l1 = INT_GET(frp->l1, ARCH_CONVERT); + xfs_bmbt_rec_host_t *trp = xfs_iext_get_ext(ifp, i); + trp->l0 = be64_to_cpu(frp->l0); + trp->l1 = be64_to_cpu(frp->l1); } if (exntf == XFS_EXTFMT_NOSTATE) { /* @@ -4631,7 +4616,7 @@ xfs_bmap_trace_exlist( xfs_extnum_t cnt, /* count of entries in the list */ int whichfork) /* data or attr fork */ { - xfs_bmbt_rec_t *ep; /* current extent record */ + xfs_bmbt_rec_host_t *ep; /* current extent record */ xfs_extnum_t idx; /* extent record index */ xfs_ifork_t *ifp; /* inode fork pointer */ xfs_bmbt_irec_t s; /* file extent record */ @@ -4727,7 +4712,7 @@ xfs_bmapi( xfs_btree_cur_t *cur; /* bmap btree cursor */ xfs_fileoff_t end; /* end of mapped file region */ int eof; /* we've hit the end of extents */ - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ int error; /* error return */ xfs_bmbt_irec_t got; /* current file extent record */ xfs_ifork_t *ifp; /* inode fork pointer */ @@ -5378,7 +5363,7 @@ xfs_bunmapi( xfs_btree_cur_t *cur; /* bmap btree cursor */ xfs_bmbt_irec_t del; /* extent being deleted */ int eof; /* is deleting at eof */ - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ int error; /* error return value */ xfs_extnum_t extno; /* extent number in list */ xfs_bmbt_irec_t got; /* current extent record */ @@ -5743,11 +5728,44 @@ error0: } /* + * returns 1 for success, 0 if we failed to map the extent. + */ +STATIC int +xfs_getbmapx_fix_eof_hole( + xfs_inode_t *ip, /* xfs incore inode pointer */ + struct getbmap *out, /* output structure */ + int prealloced, /* this is a file with + * preallocated data space */ + __int64_t end, /* last block requested */ + xfs_fsblock_t startblock) +{ + __int64_t fixlen; + xfs_mount_t *mp; /* file system mount point */ + + if (startblock == HOLESTARTBLOCK) { + mp = ip->i_mount; + out->bmv_block = -1; + fixlen = XFS_FSB_TO_BB(mp, XFS_B_TO_FSB(mp, ip->i_size)); + fixlen -= out->bmv_offset; + if (prealloced && out->bmv_offset + out->bmv_length == end) { + /* Came to hole at EOF. Trim it. */ + if (fixlen <= 0) + return 0; + out->bmv_length = fixlen; + } + } else { + out->bmv_block = XFS_FSB_TO_DB(ip, startblock); + } + + return 1; +} + +/* * Fcntl interface to xfs_bmapi. */ int /* error code */ xfs_getbmap( - bhv_desc_t *bdp, /* XFS behavior descriptor*/ + xfs_inode_t *ip, struct getbmap *bmv, /* user bmap structure */ void __user *ap, /* pointer to user's array */ int interface) /* interface flags */ @@ -5756,7 +5774,6 @@ xfs_getbmap( int error; /* return value */ __int64_t fixlen; /* length for -1 case */ int i; /* extent number */ - xfs_inode_t *ip; /* xfs incore inode pointer */ bhv_vnode_t *vp; /* corresponding vnode */ int lock; /* lock state */ xfs_bmbt_irec_t *map; /* buffer for user's data */ @@ -5774,8 +5791,7 @@ xfs_getbmap( int bmapi_flags; /* flags for xfs_bmapi */ __int32_t oflags; /* getbmapx bmv_oflags field */ - vp = BHV_TO_VNODE(bdp); - ip = XFS_BHVTOI(bdp); + vp = XFS_ITOV(ip); mp = ip->i_mount; whichfork = interface & BMV_IF_ATTRFORK ? XFS_ATTR_FORK : XFS_DATA_FORK; @@ -5794,10 +5810,9 @@ xfs_getbmap( * could misinterpret holes in a DMAPI file as true holes, * when in fact they may represent offline user data. */ - if ( (interface & BMV_IF_NO_DMAPI_READ) == 0 - && DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) - && whichfork == XFS_DATA_FORK) { - + if ((interface & BMV_IF_NO_DMAPI_READ) == 0 && + DM_EVENT_ENABLED(ip, DM_EVENT_READ) && + whichfork == XFS_DATA_FORK) { error = XFS_SEND_DATA(mp, DM_EVENT_READ, vp, 0, 0, 0, NULL); if (error) return XFS_ERROR(error); @@ -5854,7 +5869,8 @@ xfs_getbmap( if (whichfork == XFS_DATA_FORK && (ip->i_delayed_blks || ip->i_size > ip->i_d.di_size)) { /* xfs_fsize_t last_byte = xfs_file_last_byte(ip); */ - error = bhv_vop_flush_pages(vp, (xfs_off_t)0, -1, 0, FI_REMAPF); + error = xfs_flush_pages(ip, (xfs_off_t)0, + -1, 0, FI_REMAPF); } ASSERT(whichfork == XFS_ATTR_FORK || ip->i_delayed_blks == 0); @@ -5904,18 +5920,15 @@ xfs_getbmap( out.bmv_length = XFS_FSB_TO_BB(mp, map[i].br_blockcount); ASSERT(map[i].br_startblock != DELAYSTARTBLOCK); if (map[i].br_startblock == HOLESTARTBLOCK && - ((prealloced && out.bmv_offset + out.bmv_length == bmvend) || - whichfork == XFS_ATTR_FORK )) { - /* - * came to hole at end of file or the end of - attribute fork - */ + whichfork == XFS_ATTR_FORK) { + /* came to the end of attribute fork */ goto unlock_and_return; } else { - out.bmv_block = - (map[i].br_startblock == HOLESTARTBLOCK) ? - -1 : - XFS_FSB_TO_DB(ip, map[i].br_startblock); + if (!xfs_getbmapx_fix_eof_hole(ip, &out, + prealloced, bmvend, + map[i].br_startblock)) { + goto unlock_and_return; + } /* return either getbmap/getbmapx structure. */ if (interface & BMV_IF_EXTENDED) { @@ -5974,7 +5987,7 @@ xfs_bmap_isaeof( { int error; /* error return value */ xfs_ifork_t *ifp; /* inode fork pointer */ - xfs_bmbt_rec_t *lastrec; /* extent record pointer */ + xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */ xfs_extnum_t nextents; /* number of file extents */ xfs_bmbt_irec_t s; /* expanded extent record */ @@ -6018,7 +6031,7 @@ xfs_bmap_eof( xfs_fsblock_t blockcount; /* extent block count */ int error; /* error return value */ xfs_ifork_t *ifp; /* inode fork pointer */ - xfs_bmbt_rec_t *lastrec; /* extent record pointer */ + xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */ xfs_extnum_t nextents; /* number of file extents */ xfs_fileoff_t startoff; /* extent starting file offset */ @@ -6465,10 +6478,9 @@ xfs_bmap_count_leaves( int *count) { int b; - xfs_bmbt_rec_t *frp; for (b = 0; b < numrecs; b++) { - frp = xfs_iext_get_ext(ifp, idx + b); + xfs_bmbt_rec_host_t *frp = xfs_iext_get_ext(ifp, idx + b); *count += xfs_bmbt_get_blockcount(frp); } return 0; diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 524b1c9d524..68267d75ff1 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -335,7 +335,7 @@ xfs_bunmapi( */ int /* error code */ xfs_getbmap( - bhv_desc_t *bdp, /* XFS behavior descriptor*/ + xfs_inode_t *ip, struct getbmap *bmv, /* user bmap structure */ void __user *ap, /* pointer to user's array */ int iflags); /* interface flags */ @@ -378,7 +378,7 @@ xfs_check_nostate_extents( * entry (null if none). Else, *lastxp will be set to the index * of the found entry; *gotp will contain the entry. */ -xfs_bmbt_rec_t * +xfs_bmbt_rec_host_t * xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *, xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 89b891f51cf..32b49ec00fb 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -260,13 +260,14 @@ xfs_bmbt_trace_cursor( char *s, int line) { - xfs_bmbt_rec_t r; + xfs_bmbt_rec_host_t r; xfs_bmbt_set_all(&r, &cur->bc_rec.b); xfs_bmbt_trace_enter(func, cur, s, XFS_BMBT_KTRACE_CUR, line, (cur->bc_nlevels << 24) | (cur->bc_private.b.flags << 16) | cur->bc_private.b.allocated, - INT_GET(r.l0, ARCH_CONVERT) >> 32, (int)INT_GET(r.l0, ARCH_CONVERT), INT_GET(r.l1, ARCH_CONVERT) >> 32, (int)INT_GET(r.l1, ARCH_CONVERT), + r.l0 >> 32, (int)r.l0, + r.l1 >> 32, (int)r.l1, (unsigned long)cur->bc_bufs[0], (unsigned long)cur->bc_bufs[1], (unsigned long)cur->bc_bufs[2], (unsigned long)cur->bc_bufs[3], (cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1], @@ -383,7 +384,7 @@ xfs_bmbt_delrec( if (ptr < numrecs) { memmove(&kp[ptr - 1], &kp[ptr], (numrecs - ptr) * sizeof(*kp)); - memmove(&pp[ptr - 1], &pp[ptr], /* INT_: direct copy */ + memmove(&pp[ptr - 1], &pp[ptr], (numrecs - ptr) * sizeof(*pp)); xfs_bmbt_log_ptrs(cur, bp, ptr, numrecs - 1); xfs_bmbt_log_keys(cur, bp, ptr, numrecs - 1); @@ -815,7 +816,7 @@ xfs_bmbt_insrec( #endif memmove(&kp[ptr], &kp[ptr - 1], (numrecs - ptr + 1) * sizeof(*kp)); - memmove(&pp[ptr], &pp[ptr - 1], /* INT_: direct copy */ + memmove(&pp[ptr], &pp[ptr - 1], (numrecs - ptr + 1) * sizeof(*pp)); #ifdef DEBUG if ((error = xfs_btree_check_lptr(cur, *bnop, level))) { @@ -1250,7 +1251,7 @@ xfs_bmbt_lshift( return error; } #endif - *lpp = *rpp; /* INT_: direct copy */ + *lpp = *rpp; xfs_bmbt_log_ptrs(cur, lbp, lrecs, lrecs); } else { lrp = XFS_BMAP_REC_IADDR(left, lrecs, cur); @@ -1388,7 +1389,7 @@ xfs_bmbt_rshift( } #endif *rkp = *lkp; - *rpp = *lpp; /* INT_: direct copy */ + *rpp = *lpp; xfs_bmbt_log_keys(cur, rbp, 1, be16_to_cpu(right->bb_numrecs) + 1); xfs_bmbt_log_ptrs(cur, rbp, 1, be16_to_cpu(right->bb_numrecs) + 1); } else { @@ -1826,7 +1827,7 @@ __xfs_bmbt_get_all( void xfs_bmbt_get_all( - xfs_bmbt_rec_t *r, + xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s) { __xfs_bmbt_get_all(r->l0, r->l1, s); @@ -1862,7 +1863,7 @@ xfs_bmbt_get_block( */ xfs_filblks_t xfs_bmbt_get_blockcount( - xfs_bmbt_rec_t *r) + xfs_bmbt_rec_host_t *r) { return (xfs_filblks_t)(r->l1 & XFS_MASK64LO(21)); } @@ -1872,7 +1873,7 @@ xfs_bmbt_get_blockcount( */ xfs_fsblock_t xfs_bmbt_get_startblock( - xfs_bmbt_rec_t *r) + xfs_bmbt_rec_host_t *r) { #if XFS_BIG_BLKNOS return (((xfs_fsblock_t)r->l0 & XFS_MASK64LO(9)) << 43) | @@ -1896,7 +1897,7 @@ xfs_bmbt_get_startblock( */ xfs_fileoff_t xfs_bmbt_get_startoff( - xfs_bmbt_rec_t *r) + xfs_bmbt_rec_host_t *r) { return ((xfs_fileoff_t)r->l0 & XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9; @@ -1904,7 +1905,7 @@ xfs_bmbt_get_startoff( xfs_exntst_t xfs_bmbt_get_state( - xfs_bmbt_rec_t *r) + xfs_bmbt_rec_host_t *r) { int ext_flag; @@ -1913,19 +1914,13 @@ xfs_bmbt_get_state( ext_flag); } -#ifndef XFS_NATIVE_HOST /* Endian flipping versions of the bmbt extraction functions */ void xfs_bmbt_disk_get_all( xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s) { - __uint64_t l0, l1; - - l0 = INT_GET(r->l0, ARCH_CONVERT); - l1 = INT_GET(r->l1, ARCH_CONVERT); - - __xfs_bmbt_get_all(l0, l1, s); + __xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s); } /* @@ -1935,7 +1930,7 @@ xfs_filblks_t xfs_bmbt_disk_get_blockcount( xfs_bmbt_rec_t *r) { - return (xfs_filblks_t)(INT_GET(r->l1, ARCH_CONVERT) & XFS_MASK64LO(21)); + return (xfs_filblks_t)(be64_to_cpu(r->l1) & XFS_MASK64LO(21)); } /* @@ -1945,11 +1940,9 @@ xfs_fileoff_t xfs_bmbt_disk_get_startoff( xfs_bmbt_rec_t *r) { - return ((xfs_fileoff_t)INT_GET(r->l0, ARCH_CONVERT) & + return ((xfs_fileoff_t)be64_to_cpu(r->l0) & XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9; } -#endif /* XFS_NATIVE_HOST */ - /* * Increment cursor by one record at the level. @@ -2290,185 +2283,131 @@ xfs_bmbt_newroot( } /* - * Set all the fields in a bmap extent record from the uncompressed form. - */ -void -xfs_bmbt_set_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s) -{ - int extent_flag; - - ASSERT((s->br_state == XFS_EXT_NORM) || - (s->br_state == XFS_EXT_UNWRITTEN)); - extent_flag = (s->br_state == XFS_EXT_NORM) ? 0 : 1; - ASSERT((s->br_startoff & XFS_MASK64HI(9)) == 0); - ASSERT((s->br_blockcount & XFS_MASK64HI(43)) == 0); -#if XFS_BIG_BLKNOS - ASSERT((s->br_startblock & XFS_MASK64HI(12)) == 0); - r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9) | - ((xfs_bmbt_rec_base_t)s->br_startblock >> 43); - r->l1 = ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); -#else /* !XFS_BIG_BLKNOS */ - if (ISNULLSTARTBLOCK(s->br_startblock)) { - r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9) | - (xfs_bmbt_rec_base_t)XFS_MASK64LO(9); - r->l1 = XFS_MASK64HI(11) | - ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); - } else { - r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9); - r->l1 = ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); - } -#endif /* XFS_BIG_BLKNOS */ -} - -/* * Set all the fields in a bmap extent record from the arguments. */ void xfs_bmbt_set_allf( - xfs_bmbt_rec_t *r, - xfs_fileoff_t o, - xfs_fsblock_t b, - xfs_filblks_t c, - xfs_exntst_t v) + xfs_bmbt_rec_host_t *r, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) { - int extent_flag; + int extent_flag = (state == XFS_EXT_NORM) ? 0 : 1; + + ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN); + ASSERT((startoff & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0); + ASSERT((blockcount & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); - ASSERT((v == XFS_EXT_NORM) || (v == XFS_EXT_UNWRITTEN)); - extent_flag = (v == XFS_EXT_NORM) ? 0 : 1; - ASSERT((o & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0); - ASSERT((c & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); #if XFS_BIG_BLKNOS - ASSERT((b & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0); + ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0); + r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9) | - ((xfs_bmbt_rec_base_t)b >> 43); - r->l1 = ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & + ((xfs_bmbt_rec_base_t)startoff << 9) | + ((xfs_bmbt_rec_base_t)startblock >> 43); + r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); #else /* !XFS_BIG_BLKNOS */ - if (ISNULLSTARTBLOCK(b)) { + if (ISNULLSTARTBLOCK(startblock)) { r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9) | + ((xfs_bmbt_rec_base_t)startoff << 9) | (xfs_bmbt_rec_base_t)XFS_MASK64LO(9); r->l1 = XFS_MASK64HI(11) | - ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & + ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); } else { r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9); - r->l1 = ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & + ((xfs_bmbt_rec_base_t)startoff << 9); + r->l1 = ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21)); } #endif /* XFS_BIG_BLKNOS */ } -#ifndef XFS_NATIVE_HOST /* * Set all the fields in a bmap extent record from the uncompressed form. */ void -xfs_bmbt_disk_set_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s) +xfs_bmbt_set_all( + xfs_bmbt_rec_host_t *r, + xfs_bmbt_irec_t *s) { - int extent_flag; - - ASSERT((s->br_state == XFS_EXT_NORM) || - (s->br_state == XFS_EXT_UNWRITTEN)); - extent_flag = (s->br_state == XFS_EXT_NORM) ? 0 : 1; - ASSERT((s->br_startoff & XFS_MASK64HI(9)) == 0); - ASSERT((s->br_blockcount & XFS_MASK64HI(43)) == 0); -#if XFS_BIG_BLKNOS - ASSERT((s->br_startblock & XFS_MASK64HI(12)) == 0); - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9) | - ((xfs_bmbt_rec_base_t)s->br_startblock >> 43)); - INT_SET(r->l1, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); -#else /* !XFS_BIG_BLKNOS */ - if (ISNULLSTARTBLOCK(s->br_startblock)) { - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9) | - (xfs_bmbt_rec_base_t)XFS_MASK64LO(9)); - INT_SET(r->l1, ARCH_CONVERT, XFS_MASK64HI(11) | - ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); - } else { - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)s->br_startoff << 9)); - INT_SET(r->l1, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)s->br_startblock << 21) | - ((xfs_bmbt_rec_base_t)s->br_blockcount & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); - } -#endif /* XFS_BIG_BLKNOS */ + xfs_bmbt_set_allf(r, s->br_startoff, s->br_startblock, + s->br_blockcount, s->br_state); } + /* * Set all the fields in a disk format bmap extent record from the arguments. */ void xfs_bmbt_disk_set_allf( - xfs_bmbt_rec_t *r, - xfs_fileoff_t o, - xfs_fsblock_t b, - xfs_filblks_t c, - xfs_exntst_t v) + xfs_bmbt_rec_t *r, + xfs_fileoff_t startoff, + xfs_fsblock_t startblock, + xfs_filblks_t blockcount, + xfs_exntst_t state) { - int extent_flag; + int extent_flag = (state == XFS_EXT_NORM) ? 0 : 1; + + ASSERT(state == XFS_EXT_NORM || state == XFS_EXT_UNWRITTEN); + ASSERT((startoff & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0); + ASSERT((blockcount & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); - ASSERT((v == XFS_EXT_NORM) || (v == XFS_EXT_UNWRITTEN)); - extent_flag = (v == XFS_EXT_NORM) ? 0 : 1; - ASSERT((o & XFS_MASK64HI(64-BMBT_STARTOFF_BITLEN)) == 0); - ASSERT((c & XFS_MASK64HI(64-BMBT_BLOCKCOUNT_BITLEN)) == 0); #if XFS_BIG_BLKNOS - ASSERT((b & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0); - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9) | - ((xfs_bmbt_rec_base_t)b >> 43)); - INT_SET(r->l1, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); + ASSERT((startblock & XFS_MASK64HI(64-BMBT_STARTBLOCK_BITLEN)) == 0); + + r->l0 = cpu_to_be64( + ((xfs_bmbt_rec_base_t)extent_flag << 63) | + ((xfs_bmbt_rec_base_t)startoff << 9) | + ((xfs_bmbt_rec_base_t)startblock >> 43)); + r->l1 = cpu_to_be64( + ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & + (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); #else /* !XFS_BIG_BLKNOS */ - if (ISNULLSTARTBLOCK(b)) { - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9) | - (xfs_bmbt_rec_base_t)XFS_MASK64LO(9)); - INT_SET(r->l1, ARCH_CONVERT, XFS_MASK64HI(11) | - ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & + if (ISNULLSTARTBLOCK(startblock)) { + r->l0 = cpu_to_be64( + ((xfs_bmbt_rec_base_t)extent_flag << 63) | + ((xfs_bmbt_rec_base_t)startoff << 9) | + (xfs_bmbt_rec_base_t)XFS_MASK64LO(9)); + r->l1 = cpu_to_be64(XFS_MASK64HI(11) | + ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); } else { - INT_SET(r->l0, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)extent_flag << 63) | - ((xfs_bmbt_rec_base_t)o << 9)); - INT_SET(r->l1, ARCH_CONVERT, ((xfs_bmbt_rec_base_t)b << 21) | - ((xfs_bmbt_rec_base_t)c & - (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); + r->l0 = cpu_to_be64( + ((xfs_bmbt_rec_base_t)extent_flag << 63) | + ((xfs_bmbt_rec_base_t)startoff << 9)); + r->l1 = cpu_to_be64( + ((xfs_bmbt_rec_base_t)startblock << 21) | + ((xfs_bmbt_rec_base_t)blockcount & + (xfs_bmbt_rec_base_t)XFS_MASK64LO(21))); } #endif /* XFS_BIG_BLKNOS */ } -#endif /* XFS_NATIVE_HOST */ + +/* + * Set all the fields in a bmap extent record from the uncompressed form. + */ +void +xfs_bmbt_disk_set_all( + xfs_bmbt_rec_t *r, + xfs_bmbt_irec_t *s) +{ + xfs_bmbt_disk_set_allf(r, s->br_startoff, s->br_startblock, + s->br_blockcount, s->br_state); +} /* * Set the blockcount field in a bmap extent record. */ void xfs_bmbt_set_blockcount( - xfs_bmbt_rec_t *r, + xfs_bmbt_rec_host_t *r, xfs_filblks_t v) { ASSERT((v & XFS_MASK64HI(43)) == 0); @@ -2481,7 +2420,7 @@ xfs_bmbt_set_blockcount( */ void xfs_bmbt_set_startblock( - xfs_bmbt_rec_t *r, + xfs_bmbt_rec_host_t *r, xfs_fsblock_t v) { #if XFS_BIG_BLKNOS @@ -2509,7 +2448,7 @@ xfs_bmbt_set_startblock( */ void xfs_bmbt_set_startoff( - xfs_bmbt_rec_t *r, + xfs_bmbt_rec_host_t *r, xfs_fileoff_t v) { ASSERT((v & XFS_MASK64HI(9)) == 0); @@ -2523,7 +2462,7 @@ xfs_bmbt_set_startoff( */ void xfs_bmbt_set_state( - xfs_bmbt_rec_t *r, + xfs_bmbt_rec_host_t *r, xfs_exntst_t v) { ASSERT(v == XFS_EXT_NORM || v == XFS_EXT_UNWRITTEN); @@ -2624,10 +2563,8 @@ xfs_check_nostate_extents( xfs_extnum_t idx, xfs_extnum_t num) { - xfs_bmbt_rec_t *ep; - for (; num > 0; num--, idx++) { - ep = xfs_iext_get_ext(ifp, idx); + xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx); if ((ep->l0 >> (64 - BMBT_EXNTFLAG_BITLEN)) != 0) { ASSERT(0); diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index a77b1b753d0..2d950e97591 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -35,45 +35,16 @@ typedef struct xfs_bmdr_block { /* * Bmap btree record and extent descriptor. - * For 32-bit kernels, - * l0:31 is an extent flag (value 1 indicates non-normal). - * l0:0-30 and l1:9-31 are startoff. - * l1:0-8, l2:0-31, and l3:21-31 are startblock. - * l3:0-20 are blockcount. - * For 64-bit kernels, * l0:63 is an extent flag (value 1 indicates non-normal). * l0:9-62 are startoff. * l0:0-8 and l1:21-63 are startblock. * l1:0-20 are blockcount. */ - -#ifndef XFS_NATIVE_HOST - -#define BMBT_TOTAL_BITLEN 128 /* 128 bits, 16 bytes */ -#define BMBT_EXNTFLAG_BITOFF 0 #define BMBT_EXNTFLAG_BITLEN 1 -#define BMBT_STARTOFF_BITOFF (BMBT_EXNTFLAG_BITOFF + BMBT_EXNTFLAG_BITLEN) #define BMBT_STARTOFF_BITLEN 54 -#define BMBT_STARTBLOCK_BITOFF (BMBT_STARTOFF_BITOFF + BMBT_STARTOFF_BITLEN) #define BMBT_STARTBLOCK_BITLEN 52 -#define BMBT_BLOCKCOUNT_BITOFF \ - (BMBT_STARTBLOCK_BITOFF + BMBT_STARTBLOCK_BITLEN) -#define BMBT_BLOCKCOUNT_BITLEN (BMBT_TOTAL_BITLEN - BMBT_BLOCKCOUNT_BITOFF) - -#else - -#define BMBT_TOTAL_BITLEN 128 /* 128 bits, 16 bytes */ -#define BMBT_EXNTFLAG_BITOFF 63 -#define BMBT_EXNTFLAG_BITLEN 1 -#define BMBT_STARTOFF_BITOFF (BMBT_EXNTFLAG_BITOFF - BMBT_STARTOFF_BITLEN) -#define BMBT_STARTOFF_BITLEN 54 -#define BMBT_STARTBLOCK_BITOFF 85 /* 128 - 43 (other 9 is in first word) */ -#define BMBT_STARTBLOCK_BITLEN 52 -#define BMBT_BLOCKCOUNT_BITOFF 64 /* Start of second 64 bit container */ #define BMBT_BLOCKCOUNT_BITLEN 21 -#endif /* XFS_NATIVE_HOST */ - #define BMBT_USE_64 1 @@ -83,12 +54,16 @@ typedef struct xfs_bmbt_rec_32 } xfs_bmbt_rec_32_t; typedef struct xfs_bmbt_rec_64 { - __uint64_t l0, l1; + __be64 l0, l1; } xfs_bmbt_rec_64_t; typedef __uint64_t xfs_bmbt_rec_base_t; /* use this for casts */ typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t; +typedef struct xfs_bmbt_rec_host { + __uint64_t l0, l1; +} xfs_bmbt_rec_host_t; + /* * Values and macros for delayed-allocation startblock fields. */ @@ -281,23 +256,17 @@ extern ktrace_t *xfs_bmbt_trace_buf; extern void xfs_bmdr_to_bmbt(xfs_bmdr_block_t *, int, xfs_bmbt_block_t *, int); extern int xfs_bmbt_decrement(struct xfs_btree_cur *, int, int *); extern int xfs_bmbt_delete(struct xfs_btree_cur *, int *); -extern void xfs_bmbt_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); +extern void xfs_bmbt_get_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s); extern xfs_bmbt_block_t *xfs_bmbt_get_block(struct xfs_btree_cur *cur, int, struct xfs_buf **bpp); -extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_t *r); -extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_t *r); -extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_t *r); -extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_t *r); +extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_host_t *r); +extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r); +extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_host_t *r); +extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_host_t *r); -#ifndef XFS_NATIVE_HOST extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(xfs_bmbt_rec_t *r); extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r); -#else -#define xfs_bmbt_disk_get_all(r, s) xfs_bmbt_get_all(r, s) -#define xfs_bmbt_disk_get_blockcount(r) xfs_bmbt_get_blockcount(r) -#define xfs_bmbt_disk_get_startoff(r) xfs_bmbt_get_startoff(r) -#endif /* XFS_NATIVE_HOST */ extern int xfs_bmbt_increment(struct xfs_btree_cur *, int, int *); extern int xfs_bmbt_insert(struct xfs_btree_cur *, int *); @@ -315,22 +284,17 @@ extern int xfs_bmbt_lookup_ge(struct xfs_btree_cur *, xfs_fileoff_t, */ extern int xfs_bmbt_newroot(struct xfs_btree_cur *cur, int *lflags, int *stat); -extern void xfs_bmbt_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); -extern void xfs_bmbt_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o, +extern void xfs_bmbt_set_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s); +extern void xfs_bmbt_set_allf(xfs_bmbt_rec_host_t *r, xfs_fileoff_t o, xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v); -extern void xfs_bmbt_set_blockcount(xfs_bmbt_rec_t *r, xfs_filblks_t v); -extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_t *r, xfs_fsblock_t v); -extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_t *r, xfs_fileoff_t v); -extern void xfs_bmbt_set_state(xfs_bmbt_rec_t *r, xfs_exntst_t v); +extern void xfs_bmbt_set_blockcount(xfs_bmbt_rec_host_t *r, xfs_filblks_t v); +extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_host_t *r, xfs_fsblock_t v); +extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_host_t *r, xfs_fileoff_t v); +extern void xfs_bmbt_set_state(xfs_bmbt_rec_host_t *r, xfs_exntst_t v); -#ifndef XFS_NATIVE_HOST extern void xfs_bmbt_disk_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); extern void xfs_bmbt_disk_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o, xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v); -#else -#define xfs_bmbt_disk_set_all(r, s) xfs_bmbt_set_all(r, s) -#define xfs_bmbt_disk_set_allf(r, o, b, c, v) xfs_bmbt_set_allf(r, o, b, c, v) -#endif /* XFS_NATIVE_HOST */ extern void xfs_bmbt_to_bmdr(xfs_bmbt_block_t *, int, xfs_bmdr_block_t *, int); extern int xfs_bmbt_update(struct xfs_btree_cur *, xfs_fileoff_t, diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index b0667cb27d6..c8f2c2886fe 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -23,6 +23,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_buf_item.h" diff --git a/fs/xfs/xfs_clnt.h b/fs/xfs/xfs_clnt.h index f89196cb08d..d16c1b97107 100644 --- a/fs/xfs/xfs_clnt.h +++ b/fs/xfs/xfs_clnt.h @@ -89,7 +89,6 @@ struct xfs_mount_args { #define XFSMNT_IDELETE 0x08000000 /* inode cluster delete */ #define XFSMNT_SWALLOC 0x10000000 /* turn on stripe width * allocation */ -#define XFSMNT_IHASHSIZE 0x20000000 /* inode hash table size */ #define XFSMNT_DIRSYNC 0x40000000 /* sync creat,link,unlink,rename * symlink,mkdir,rmdir,mknod */ #define XFSMNT_FLAGS2 0x80000000 /* more flags set in flags2 */ diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index de35d18cc00..584f1ae85cd 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -42,6 +42,7 @@ #include "xfs_dfrag.h" #include "xfs_error.h" #include "xfs_rw.h" +#include "xfs_vnodeops.h" /* * Syssgi interface for swapext @@ -199,7 +200,8 @@ xfs_swap_extents( if (VN_CACHED(tvp) != 0) { xfs_inval_cached_trace(&tip->i_iocore, 0, -1, 0, -1); - error = bhv_vop_flushinval_pages(tvp, 0, -1, FI_REMAPF_LOCKED); + error = xfs_flushinval_pages(tip, 0, -1, + FI_REMAPF_LOCKED); if (error) goto error0; } @@ -265,7 +267,7 @@ xfs_swap_extents( * fields change. */ - bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF); + xfs_tosspages(ip, 0, -1, FI_REMAPF); tp = xfs_trans_alloc(mp, XFS_TRANS_SWAPEXT); if ((error = xfs_trans_reserve(tp, 0, diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h index fefd0116bac..dedd713574e 100644 --- a/fs/xfs/xfs_dinode.h +++ b/fs/xfs/xfs_dinode.h @@ -34,41 +34,41 @@ struct xfs_mount; * because we only need the core part in the in-core inode. */ typedef struct xfs_timestamp { - __int32_t t_sec; /* timestamp seconds */ - __int32_t t_nsec; /* timestamp nanoseconds */ + __be32 t_sec; /* timestamp seconds */ + __be32 t_nsec; /* timestamp nanoseconds */ } xfs_timestamp_t; /* * Note: Coordinate changes to this structure with the XFS_DI_* #defines - * below and the offsets table in xfs_ialloc_log_di(). + * below, the offsets table in xfs_ialloc_log_di() and struct xfs_icdinode + * in xfs_inode.h. */ -typedef struct xfs_dinode_core -{ - __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */ - __uint16_t di_mode; /* mode and type of file */ - __int8_t di_version; /* inode version */ - __int8_t di_format; /* format of di_c data */ - __uint16_t di_onlink; /* old number of links to file */ - __uint32_t di_uid; /* owner's user id */ - __uint32_t di_gid; /* owner's group id */ - __uint32_t di_nlink; /* number of links to file */ - __uint16_t di_projid; /* owner's project id */ - __uint8_t di_pad[8]; /* unused, zeroed space */ - __uint16_t di_flushiter; /* incremented on flush */ +typedef struct xfs_dinode_core { + __be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */ + __be16 di_mode; /* mode and type of file */ + __u8 di_version; /* inode version */ + __u8 di_format; /* format of di_c data */ + __be16 di_onlink; /* old number of links to file */ + __be32 di_uid; /* owner's user id */ + __be32 di_gid; /* owner's group id */ + __be32 di_nlink; /* number of links to file */ + __be16 di_projid; /* owner's project id */ + __u8 di_pad[8]; /* unused, zeroed space */ + __be16 di_flushiter; /* incremented on flush */ xfs_timestamp_t di_atime; /* time last accessed */ xfs_timestamp_t di_mtime; /* time last modified */ xfs_timestamp_t di_ctime; /* time created/inode modified */ - xfs_fsize_t di_size; /* number of bytes in file */ - xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */ - xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ - xfs_extnum_t di_nextents; /* number of extents in data fork */ - xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ - __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ - __int8_t di_aformat; /* format of attr fork's data */ - __uint32_t di_dmevmask; /* DMIG event mask */ - __uint16_t di_dmstate; /* DMIG state info */ - __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ - __uint32_t di_gen; /* generation number */ + __be64 di_size; /* number of bytes in file */ + __be64 di_nblocks; /* # of direct & btree blocks used */ + __be32 di_extsize; /* basic/minimum extent size for file */ + __be32 di_nextents; /* number of extents in data fork */ + __be16 di_anextents; /* number of extents in attribute fork*/ + __u8 di_forkoff; /* attr fork offs, <<3 for 64b align */ + __s8 di_aformat; /* format of attr fork's data */ + __be32 di_dmevmask; /* DMIG event mask */ + __be16 di_dmstate; /* DMIG state info */ + __be16 di_flags; /* random flags, XFS_DIFLAG_... */ + __be32 di_gen; /* generation number */ } xfs_dinode_core_t; #define DI_MAX_FLUSH 0xffff @@ -81,13 +81,13 @@ typedef struct xfs_dinode * sure to update the macros like XFS_LITINO below and * XFS_BMAP_RBLOCK_DSIZE in xfs_bmap_btree.h. */ - xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */ + __be32 di_next_unlinked;/* agi unlinked list ptr */ union { xfs_bmdr_block_t di_bmbt; /* btree root block */ xfs_bmbt_rec_32_t di_bmx[1]; /* extent list */ xfs_dir2_sf_t di_dir2sf; /* shortform directory v2 */ char di_c[1]; /* local contents */ - xfs_dev_t di_dev; /* device for S_IFCHR/S_IFBLK */ + __be32 di_dev; /* device for S_IFCHR/S_IFBLK */ uuid_t di_muuid; /* mount point value */ char di_symlink[1]; /* local symbolic link */ } di_u; @@ -175,8 +175,7 @@ typedef enum xfs_dinode_fmt #define XFS_CFORK_Q_DISK(dcp) ((dcp)->di_forkoff != 0) #define XFS_CFORK_BOFF(dcp) ((int)((dcp)->di_forkoff << 3)) -#define XFS_CFORK_BOFF_DISK(dcp) \ - ((int)(INT_GET((dcp)->di_forkoff, ARCH_CONVERT) << 3)) +#define XFS_CFORK_BOFF_DISK(dcp) ((int)((dcp)->di_forkoff << 3)) #define XFS_CFORK_DSIZE_DISK(dcp,mp) \ (XFS_CFORK_Q_DISK(dcp) ? XFS_CFORK_BOFF_DISK(dcp) : XFS_LITINO(mp)) @@ -225,8 +224,8 @@ typedef enum xfs_dinode_fmt #define XFS_CFORK_NEXTENTS_DISK(dcp,w) \ ((w) == XFS_DATA_FORK ? \ - INT_GET((dcp)->di_nextents, ARCH_CONVERT) : \ - INT_GET((dcp)->di_anextents, ARCH_CONVERT)) + be32_to_cpu((dcp)->di_nextents) : \ + be16_to_cpu((dcp)->di_anextents)) #define XFS_CFORK_NEXTENTS(dcp,w) \ ((w) == XFS_DATA_FORK ? (dcp)->di_nextents : (dcp)->di_anextents) #define XFS_DFORK_NEXTENTS(dip,w) XFS_CFORK_NEXTENTS_DISK(&(dip)->di_core, w) diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index 29e091914df..b0f1ee8fcb9 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -43,8 +43,6 @@ #include "xfs_dir2_trace.h" #include "xfs_error.h" -static int xfs_dir2_put_dirent64_direct(xfs_dir2_put_args_t *pa); -static int xfs_dir2_put_dirent64_uio(xfs_dir2_put_args_t *pa); void xfs_dir_mount( @@ -293,47 +291,33 @@ xfs_dir_removename( * Read a directory. */ int -xfs_dir_getdents( - xfs_trans_t *tp, +xfs_readdir( xfs_inode_t *dp, - uio_t *uio, /* caller's buffer control */ - int *eofp) /* out: eof reached */ + void *dirent, + size_t bufsize, + xfs_off_t *offset, + filldir_t filldir) { - int alignment; /* alignment required for ABI */ - xfs_dirent_t *dbp; /* malloc'ed buffer */ - xfs_dir2_put_t put; /* entry formatting routine */ int rval; /* return value */ int v; /* type-checking value */ + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); + + if (XFS_FORCED_SHUTDOWN(dp->i_mount)) + return XFS_ERROR(EIO); + ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); XFS_STATS_INC(xs_dir_getdents); - /* - * If our caller has given us a single contiguous aligned memory buffer, - * just work directly within that buffer. If it's in user memory, - * lock it down first. - */ - alignment = sizeof(xfs_off_t) - 1; - if ((uio->uio_iovcnt == 1) && - (((__psint_t)uio->uio_iov[0].iov_base & alignment) == 0) && - ((uio->uio_iov[0].iov_len & alignment) == 0)) { - dbp = NULL; - put = xfs_dir2_put_dirent64_direct; - } else { - dbp = kmem_alloc(sizeof(*dbp) + MAXNAMELEN, KM_SLEEP); - put = xfs_dir2_put_dirent64_uio; - } - *eofp = 0; if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) - rval = xfs_dir2_sf_getdents(dp, uio, eofp, dbp, put); - else if ((rval = xfs_dir2_isblock(tp, dp, &v))) + rval = xfs_dir2_sf_getdents(dp, dirent, offset, filldir); + else if ((rval = xfs_dir2_isblock(NULL, dp, &v))) ; else if (v) - rval = xfs_dir2_block_getdents(tp, dp, uio, eofp, dbp, put); + rval = xfs_dir2_block_getdents(dp, dirent, offset, filldir); else - rval = xfs_dir2_leaf_getdents(tp, dp, uio, eofp, dbp, put); - if (dbp != NULL) - kmem_free(dbp, sizeof(*dbp) + MAXNAMELEN); + rval = xfs_dir2_leaf_getdents(dp, dirent, bufsize, offset, + filldir); return rval; } @@ -613,77 +597,6 @@ xfs_dir2_isleaf( } /* - * Getdents put routine for 64-bit ABI, direct form. - */ -static int -xfs_dir2_put_dirent64_direct( - xfs_dir2_put_args_t *pa) -{ - xfs_dirent_t *idbp; /* dirent pointer */ - iovec_t *iovp; /* io vector */ - int namelen; /* entry name length */ - int reclen; /* entry total length */ - uio_t *uio; /* I/O control */ - - namelen = pa->namelen; - reclen = DIRENTSIZE(namelen); - uio = pa->uio; - /* - * Won't fit in the remaining space. - */ - if (reclen > uio->uio_resid) { - pa->done = 0; - return 0; - } - iovp = uio->uio_iov; - idbp = (xfs_dirent_t *)iovp->iov_base; - iovp->iov_base = (char *)idbp + reclen; - iovp->iov_len -= reclen; - uio->uio_resid -= reclen; - idbp->d_reclen = reclen; - idbp->d_ino = pa->ino; - idbp->d_off = pa->cook; - idbp->d_name[namelen] = '\0'; - pa->done = 1; - memcpy(idbp->d_name, pa->name, namelen); - return 0; -} - -/* - * Getdents put routine for 64-bit ABI, uio form. - */ -static int -xfs_dir2_put_dirent64_uio( - xfs_dir2_put_args_t *pa) -{ - xfs_dirent_t *idbp; /* dirent pointer */ - int namelen; /* entry name length */ - int reclen; /* entry total length */ - int rval; /* return value */ - uio_t *uio; /* I/O control */ - - namelen = pa->namelen; - reclen = DIRENTSIZE(namelen); - uio = pa->uio; - /* - * Won't fit in the remaining space. - */ - if (reclen > uio->uio_resid) { - pa->done = 0; - return 0; - } - idbp = pa->dbp; - idbp->d_reclen = reclen; - idbp->d_ino = pa->ino; - idbp->d_off = pa->cook; - idbp->d_name[namelen] = '\0'; - memcpy(idbp->d_name, pa->name, namelen); - rval = xfs_uio_read((caddr_t)idbp, reclen, uio); - pa->done = (rval == 0); - return rval; -} - -/* * Remove the given block from the directory. * This routine is used for data and free blocks, leaf/node are done * by xfs_da_shrink_inode. diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 86560b6f794..b265197e74c 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -60,21 +60,6 @@ typedef __uint32_t xfs_dir2_db_t; typedef xfs_off_t xfs_dir2_off_t; /* - * For getdents, argument struct for put routines. - */ -typedef int (*xfs_dir2_put_t)(struct xfs_dir2_put_args *pa); -typedef struct xfs_dir2_put_args { - xfs_off_t cook; /* cookie of (next) entry */ - xfs_intino_t ino; /* inode number */ - xfs_dirent_t *dbp; /* buffer pointer */ - char *name; /* directory entry name */ - int namelen; /* length of name */ - int done; /* output: set if value was stored */ - xfs_dir2_put_t put; /* put function ptr (i/o) */ - struct uio *uio; /* uio control structure */ -} xfs_dir2_put_args_t; - -/* * Generic directory interface routines */ extern void xfs_dir_startup(void); @@ -92,8 +77,6 @@ extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, char *name, int namelen, xfs_ino_t ino, xfs_fsblock_t *first, struct xfs_bmap_free *flist, xfs_extlen_t tot); -extern int xfs_dir_getdents(struct xfs_trans *tp, struct xfs_inode *dp, - uio_t *uio, int *eofp); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, char *name, int namelen, xfs_ino_t inum, xfs_fsblock_t *first, diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index e4df1aaae2a..c171767e242 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -432,12 +433,10 @@ xfs_dir2_block_addname( */ int /* error */ xfs_dir2_block_getdents( - xfs_trans_t *tp, /* transaction (NULL) */ xfs_inode_t *dp, /* incore inode */ - uio_t *uio, /* caller's buffer control */ - int *eofp, /* eof reached? (out) */ - xfs_dirent_t *dbp, /* caller's buffer */ - xfs_dir2_put_t put) /* abi's formatting function */ + void *dirent, + xfs_off_t *offset, + filldir_t filldir) { xfs_dir2_block_t *block; /* directory block structure */ xfs_dabuf_t *bp; /* buffer for block */ @@ -447,31 +446,32 @@ xfs_dir2_block_getdents( char *endptr; /* end of the data entries */ int error; /* error return value */ xfs_mount_t *mp; /* filesystem mount point */ - xfs_dir2_put_args_t p; /* arg package for put rtn */ char *ptr; /* current data entry */ int wantoff; /* starting block offset */ + xfs_ino_t ino; + xfs_off_t cook; mp = dp->i_mount; /* * If the block number in the offset is out of range, we're done. */ - if (xfs_dir2_dataptr_to_db(mp, uio->uio_offset) > mp->m_dirdatablk) { - *eofp = 1; + if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk) { return 0; } /* * Can't read the block, give up, else get dabuf in bp. */ - if ((error = - xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &bp, XFS_DATA_FORK))) { + error = xfs_da_read_buf(NULL, dp, mp->m_dirdatablk, -1, + &bp, XFS_DATA_FORK); + if (error) return error; - } + ASSERT(bp != NULL); /* * Extract the byte offset we start at from the seek pointer. * We'll skip entries before this. */ - wantoff = xfs_dir2_dataptr_to_off(mp, uio->uio_offset); + wantoff = xfs_dir2_dataptr_to_off(mp, *offset); block = bp->data; xfs_dir2_data_check(dp, bp); /* @@ -480,9 +480,7 @@ xfs_dir2_block_getdents( btp = xfs_dir2_block_tail_p(mp, block); ptr = (char *)block->u; endptr = (char *)xfs_dir2_block_leaf_p(btp); - p.dbp = dbp; - p.put = put; - p.uio = uio; + /* * Loop over the data portion of the block. * Each object is a real entry (dep) or an unused one (dup). @@ -508,33 +506,24 @@ xfs_dir2_block_getdents( */ if ((char *)dep - (char *)block < wantoff) continue; - /* - * Set up argument structure for put routine. - */ - p.namelen = dep->namelen; - p.cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, + cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, ptr - (char *)block); - p.ino = be64_to_cpu(dep->inumber); + ino = be64_to_cpu(dep->inumber); #if XFS_BIG_INUMS - p.ino += mp->m_inoadd; + ino += mp->m_inoadd; #endif - p.name = (char *)dep->name; - - /* - * Put the entry in the caller's buffer. - */ - error = p.put(&p); /* * If it didn't fit, set the final offset to here & return. */ - if (!p.done) { - uio->uio_offset = - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, + if (filldir(dirent, dep->name, dep->namelen, cook, + ino, DT_UNKNOWN)) { + *offset = xfs_dir2_db_off_to_dataptr(mp, + mp->m_dirdatablk, (char *)dep - (char *)block); - xfs_da_brelse(tp, bp); - return error; + xfs_da_brelse(NULL, bp); + return 0; } } @@ -542,13 +531,8 @@ xfs_dir2_block_getdents( * Reached the end of the block. * Set the offset to a non-existent block 1 and return. */ - *eofp = 1; - - uio->uio_offset = - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0); - - xfs_da_brelse(tp, bp); - + *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0); + xfs_da_brelse(NULL, bp); return 0; } diff --git a/fs/xfs/xfs_dir2_block.h b/fs/xfs/xfs_dir2_block.h index e7c2606161e..10e68967638 100644 --- a/fs/xfs/xfs_dir2_block.h +++ b/fs/xfs/xfs_dir2_block.h @@ -80,9 +80,8 @@ xfs_dir2_block_leaf_p(xfs_dir2_block_tail_t *btp) * Function declarations. */ extern int xfs_dir2_block_addname(struct xfs_da_args *args); -extern int xfs_dir2_block_getdents(struct xfs_trans *tp, struct xfs_inode *dp, - struct uio *uio, int *eofp, - struct xfs_dirent *dbp, xfs_dir2_put_t put); +extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, + xfs_off_t *offset, filldir_t filldir); extern int xfs_dir2_block_lookup(struct xfs_da_args *args); extern int xfs_dir2_block_removename(struct xfs_da_args *args); extern int xfs_dir2_block_replace(struct xfs_da_args *args); diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index 7ebe295bd6d..d2452699e9b 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index 1b73c9ad646..e7c12fa1303 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -749,12 +749,11 @@ xfs_dir2_leaf_compact_x1( */ int /* error */ xfs_dir2_leaf_getdents( - xfs_trans_t *tp, /* transaction pointer */ xfs_inode_t *dp, /* incore directory inode */ - uio_t *uio, /* I/O control & vectors */ - int *eofp, /* out: reached end of dir */ - xfs_dirent_t *dbp, /* caller's buffer */ - xfs_dir2_put_t put) /* ABI formatting routine */ + void *dirent, + size_t bufsize, + xfs_off_t *offset, + filldir_t filldir) { xfs_dabuf_t *bp; /* data block buffer */ int byteoff; /* offset in current block */ @@ -763,7 +762,6 @@ xfs_dir2_leaf_getdents( xfs_dir2_data_t *data; /* data block structure */ xfs_dir2_data_entry_t *dep; /* data entry */ xfs_dir2_data_unused_t *dup; /* unused entry */ - int eof; /* reached end of directory */ int error = 0; /* error return value */ int i; /* temporary loop index */ int j; /* temporary loop index */ @@ -776,46 +774,38 @@ xfs_dir2_leaf_getdents( xfs_mount_t *mp; /* filesystem mount point */ xfs_dir2_off_t newoff; /* new curoff after new blk */ int nmap; /* mappings to ask xfs_bmapi */ - xfs_dir2_put_args_t *p; /* formatting arg bundle */ char *ptr = NULL; /* pointer to current data */ int ra_current; /* number of read-ahead blks */ int ra_index; /* *map index for read-ahead */ int ra_offset; /* map entry offset for ra */ int ra_want; /* readahead count wanted */ + xfs_ino_t ino; /* * If the offset is at or past the largest allowed value, - * give up right away, return eof. + * give up right away. */ - if (uio->uio_offset >= XFS_DIR2_MAX_DATAPTR) { - *eofp = 1; + if (*offset >= XFS_DIR2_MAX_DATAPTR) return 0; - } + mp = dp->i_mount; - /* - * Setup formatting arguments. - */ - p = kmem_alloc(sizeof(*p), KM_SLEEP); - p->dbp = dbp; - p->put = put; - p->uio = uio; + /* * Set up to bmap a number of blocks based on the caller's * buffer size, the directory block size, and the filesystem * block size. */ - map_size = - howmany(uio->uio_resid + mp->m_dirblksize, - mp->m_sb.sb_blocksize); + map_size = howmany(bufsize + mp->m_dirblksize, mp->m_sb.sb_blocksize); map = kmem_alloc(map_size * sizeof(*map), KM_SLEEP); map_valid = ra_index = ra_offset = ra_current = map_blocks = 0; bp = NULL; - eof = 1; + /* * Inside the loop we keep the main offset value as a byte offset * in the directory file. */ - curoff = xfs_dir2_dataptr_to_byte(mp, uio->uio_offset); + curoff = xfs_dir2_dataptr_to_byte(mp, *offset); + /* * Force this conversion through db so we truncate the offset * down to get the start of the data block. @@ -836,7 +826,7 @@ xfs_dir2_leaf_getdents( * take it out of the mapping. */ if (bp) { - xfs_da_brelse(tp, bp); + xfs_da_brelse(NULL, bp); bp = NULL; map_blocks -= mp->m_dirblkfsbs; /* @@ -862,8 +852,9 @@ xfs_dir2_leaf_getdents( /* * Recalculate the readahead blocks wanted. */ - ra_want = howmany(uio->uio_resid + mp->m_dirblksize, + ra_want = howmany(bufsize + mp->m_dirblksize, mp->m_sb.sb_blocksize) - 1; + /* * If we don't have as many as we want, and we haven't * run out of data blocks, get some more mappings. @@ -876,7 +867,7 @@ xfs_dir2_leaf_getdents( * we already have in the table. */ nmap = map_size - map_valid; - error = xfs_bmapi(tp, dp, + error = xfs_bmapi(NULL, dp, map_off, xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET) - map_off, @@ -939,7 +930,7 @@ xfs_dir2_leaf_getdents( * mapping. */ curdb = xfs_dir2_da_to_db(mp, map->br_startoff); - error = xfs_da_read_buf(tp, dp, map->br_startoff, + error = xfs_da_read_buf(NULL, dp, map->br_startoff, map->br_blockcount >= mp->m_dirblkfsbs ? XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, @@ -982,7 +973,7 @@ xfs_dir2_leaf_getdents( * is a very rare case. */ else if (i > ra_current) { - (void)xfs_da_reada_buf(tp, dp, + (void)xfs_da_reada_buf(NULL, dp, map[ra_index].br_startoff + ra_offset, XFS_DATA_FORK); ra_current = i; @@ -1089,46 +1080,39 @@ xfs_dir2_leaf_getdents( */ dep = (xfs_dir2_data_entry_t *)ptr; - p->namelen = dep->namelen; - - length = xfs_dir2_data_entsize(p->namelen); - - p->cook = xfs_dir2_byte_to_dataptr(mp, curoff + length); + length = xfs_dir2_data_entsize(dep->namelen); - p->ino = be64_to_cpu(dep->inumber); + ino = be64_to_cpu(dep->inumber); #if XFS_BIG_INUMS - p->ino += mp->m_inoadd; + ino += mp->m_inoadd; #endif - p->name = (char *)dep->name; - - error = p->put(p); /* * Won't fit. Return to caller. */ - if (!p->done) { - eof = 0; + if (filldir(dirent, dep->name, dep->namelen, + xfs_dir2_byte_to_dataptr(mp, curoff + length), + ino, DT_UNKNOWN)) break; - } + /* * Advance to next entry in the block. */ ptr += length; curoff += length; + bufsize -= length; } /* * All done. Set output offset value to current offset. */ - *eofp = eof; if (curoff > xfs_dir2_dataptr_to_byte(mp, XFS_DIR2_MAX_DATAPTR)) - uio->uio_offset = XFS_DIR2_MAX_DATAPTR; + *offset = XFS_DIR2_MAX_DATAPTR; else - uio->uio_offset = xfs_dir2_byte_to_dataptr(mp, curoff); + *offset = xfs_dir2_byte_to_dataptr(mp, curoff); kmem_free(map, map_size * sizeof(*map)); - kmem_free(p, sizeof(*p)); if (bp) - xfs_da_brelse(tp, bp); + xfs_da_brelse(NULL, bp); return error; } diff --git a/fs/xfs/xfs_dir2_leaf.h b/fs/xfs/xfs_dir2_leaf.h index 70c97f3f815..6c9539f0698 100644 --- a/fs/xfs/xfs_dir2_leaf.h +++ b/fs/xfs/xfs_dir2_leaf.h @@ -232,9 +232,9 @@ extern void xfs_dir2_leaf_compact(struct xfs_da_args *args, extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp, int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); -extern int xfs_dir2_leaf_getdents(struct xfs_trans *tp, struct xfs_inode *dp, - struct uio *uio, int *eofp, - struct xfs_dirent *dbp, xfs_dir2_put_t put); +extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, + size_t bufsize, xfs_off_t *offset, + filldir_t filldir); extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno, struct xfs_dabuf **bpp, int magic); extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp, diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index 91c61d9632c..eb18e399e83 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index 38fc4f22b76..182c70315ad 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -695,19 +696,18 @@ xfs_dir2_sf_create( int /* error */ xfs_dir2_sf_getdents( xfs_inode_t *dp, /* incore directory inode */ - uio_t *uio, /* caller's buffer control */ - int *eofp, /* eof reached? (out) */ - xfs_dirent_t *dbp, /* caller's buffer */ - xfs_dir2_put_t put) /* abi's formatting function */ + void *dirent, + xfs_off_t *offset, + filldir_t filldir) { - int error; /* error return value */ int i; /* shortform entry number */ xfs_mount_t *mp; /* filesystem mount point */ xfs_dir2_dataptr_t off; /* current entry's offset */ - xfs_dir2_put_args_t p; /* arg package for put rtn */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ xfs_dir2_sf_t *sfp; /* shortform structure */ - xfs_off_t dir_offset; + xfs_dir2_dataptr_t dot_offset; + xfs_dir2_dataptr_t dotdot_offset; + xfs_ino_t ino; mp = dp->i_mount; @@ -720,8 +720,6 @@ xfs_dir2_sf_getdents( return XFS_ERROR(EIO); } - dir_offset = uio->uio_offset; - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); @@ -732,108 +730,78 @@ xfs_dir2_sf_getdents( /* * If the block number in the offset is out of range, we're done. */ - if (xfs_dir2_dataptr_to_db(mp, dir_offset) > mp->m_dirdatablk) { - *eofp = 1; + if (xfs_dir2_dataptr_to_db(mp, *offset) > mp->m_dirdatablk) return 0; - } /* - * Set up putargs structure. + * Precalculate offsets for . and .. as we will always need them. + * + * XXX(hch): the second argument is sometimes 0 and sometimes + * mp->m_dirdatablk. */ - p.dbp = dbp; - p.put = put; - p.uio = uio; + dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, + XFS_DIR2_DATA_DOT_OFFSET); + dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, + XFS_DIR2_DATA_DOTDOT_OFFSET); + /* * Put . entry unless we're starting past it. */ - if (dir_offset <= - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR2_DATA_DOT_OFFSET)) { - p.cook = xfs_dir2_db_off_to_dataptr(mp, 0, - XFS_DIR2_DATA_DOTDOT_OFFSET); - p.ino = dp->i_ino; + if (*offset <= dot_offset) { + ino = dp->i_ino; #if XFS_BIG_INUMS - p.ino += mp->m_inoadd; + ino += mp->m_inoadd; #endif - p.name = "."; - p.namelen = 1; - - error = p.put(&p); - - if (!p.done) { - uio->uio_offset = - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR2_DATA_DOT_OFFSET); - return error; + if (filldir(dirent, ".", 1, dotdot_offset, ino, DT_DIR)) { + *offset = dot_offset; + return 0; } } /* * Put .. entry unless we're starting past it. */ - if (dir_offset <= - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR2_DATA_DOTDOT_OFFSET)) { - p.cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR2_DATA_FIRST_OFFSET); - p.ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); + if (*offset <= dotdot_offset) { + off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, + XFS_DIR2_DATA_FIRST_OFFSET); + ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent); #if XFS_BIG_INUMS - p.ino += mp->m_inoadd; + ino += mp->m_inoadd; #endif - p.name = ".."; - p.namelen = 2; - - error = p.put(&p); - - if (!p.done) { - uio->uio_offset = - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR2_DATA_DOTDOT_OFFSET); - return error; + if (filldir(dirent, "..", 2, off, ino, DT_DIR)) { + *offset = dotdot_offset; + return 0; } } /* * Loop while there are more entries and put'ing works. */ - for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); - i < sfp->hdr.count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { - + sfep = xfs_dir2_sf_firstentry(sfp); + for (i = 0; i < sfp->hdr.count; i++) { off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, xfs_dir2_sf_get_offset(sfep)); - if (dir_offset > off) + if (*offset > off) { + sfep = xfs_dir2_sf_nextentry(sfp, sfep); continue; + } - p.namelen = sfep->namelen; - - p.cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - xfs_dir2_sf_get_offset(sfep) + - xfs_dir2_data_entsize(p.namelen)); - - p.ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep)); + ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep)); #if XFS_BIG_INUMS - p.ino += mp->m_inoadd; + ino += mp->m_inoadd; #endif - p.name = (char *)sfep->name; - - error = p.put(&p); - if (!p.done) { - uio->uio_offset = off; - return error; + if (filldir(dirent, sfep->name, sfep->namelen, + off + xfs_dir2_data_entsize(sfep->namelen), + ino, DT_UNKNOWN)) { + *offset = off; + return 0; } + sfep = xfs_dir2_sf_nextentry(sfp, sfep); } - /* - * They all fit. - */ - *eofp = 1; - - uio->uio_offset = - xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0); - + *offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0); return 0; } diff --git a/fs/xfs/xfs_dir2_sf.h b/fs/xfs/xfs_dir2_sf.h index 11e503209af..005629d702d 100644 --- a/fs/xfs/xfs_dir2_sf.h +++ b/fs/xfs/xfs_dir2_sf.h @@ -169,9 +169,8 @@ extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, int size, xfs_dir2_sf_hdr_t *sfhp); extern int xfs_dir2_sf_addname(struct xfs_da_args *args); extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); -extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, struct uio *uio, - int *eofp, struct xfs_dirent *dbp, - xfs_dir2_put_t put); +extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, + xfs_off_t *offset, filldir_t filldir); extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); extern int xfs_dir2_sf_removename(struct xfs_da_args *args); extern int xfs_dir2_sf_replace(struct xfs_da_args *args); diff --git a/fs/xfs/xfs_dmapi.h b/fs/xfs/xfs_dmapi.h index adc3d251240..f71784ab6a6 100644 --- a/fs/xfs/xfs_dmapi.h +++ b/fs/xfs/xfs_dmapi.h @@ -67,17 +67,15 @@ typedef enum { #define HAVE_DM_RIGHT_T /* Defines for determining if an event message should be sent. */ -#define DM_EVENT_ENABLED(vfsp, ip, event) ( \ - unlikely ((vfsp)->vfs_flag & VFS_DMI) && \ +#ifdef HAVE_DMAPI +#define DM_EVENT_ENABLED(ip, event) ( \ + unlikely ((ip)->i_mount->m_flags & XFS_MOUNT_DMAPI) && \ ( ((ip)->i_d.di_dmevmask & (1 << event)) || \ ((ip)->i_mount->m_dmevmask & (1 << event)) ) \ ) - -#define DM_EVENT_ENABLED_IO(vfsp, io, event) ( \ - unlikely ((vfsp)->vfs_flag & VFS_DMI) && \ - ( ((io)->io_dmevmask & (1 << event)) || \ - ((io)->io_mount->m_dmevmask & (1 << event)) ) \ - ) +#else +#define DM_EVENT_ENABLED(ip, event) (0) +#endif #define DM_XFS_VALID_FS_EVENTS ( \ (1 << DM_EVENT_PREUNMOUNT) | \ @@ -170,7 +168,4 @@ typedef enum { DM_FLAGS_NDELAY : 0) #define AT_DELAY_FLAG(f) ((f&ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0) - -extern struct bhv_module_vfsops xfs_dmops; - #endif /* __XFS_DMAPI_H__ */ diff --git a/fs/xfs/xfs_dmops.c b/fs/xfs/xfs_dmops.c index 1e4a35ddf7f..6cd5704258a 100644 --- a/fs/xfs/xfs_dmops.c +++ b/fs/xfs/xfs_dmops.c @@ -19,18 +19,51 @@ #include "xfs_fs.h" #include "xfs_types.h" #include "xfs_log.h" -#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" -#include "xfs_ag.h" -#include "xfs_dir2.h" #include "xfs_dmapi.h" +#include "xfs_inum.h" +#include "xfs_ag.h" #include "xfs_mount.h" +#include "xfs_clnt.h" + -xfs_dmops_t xfs_dmcore_stub = { +static struct xfs_dmops xfs_dmcore_stub = { .xfs_send_data = (xfs_send_data_t)fs_nosys, .xfs_send_mmap = (xfs_send_mmap_t)fs_noerr, .xfs_send_destroy = (xfs_send_destroy_t)fs_nosys, .xfs_send_namesp = (xfs_send_namesp_t)fs_nosys, - .xfs_send_unmount = (xfs_send_unmount_t)fs_noval, + .xfs_send_mount = (xfs_send_mount_t)fs_nosys, + .xfs_send_unmount = (xfs_send_unmount_t)fs_noerr, }; + +int +xfs_dmops_get(struct xfs_mount *mp, struct xfs_mount_args *args) +{ + if (args->flags & XFSMNT_DMAPI) { + struct xfs_dmops *ops; + + ops = symbol_get(xfs_dmcore_xfs); + if (!ops) { + request_module("xfs_dmapi"); + ops = symbol_get(xfs_dmcore_xfs); + } + + if (!ops) { + cmn_err(CE_WARN, "XFS: no dmapi support available."); + return EINVAL; + } + mp->m_dm_ops = ops; + } else { + mp->m_dm_ops = &xfs_dmcore_stub; + } + + return 0; +} + +void +xfs_dmops_put(struct xfs_mount *mp) +{ + if (mp->m_dm_ops != &xfs_dmcore_stub) + symbol_put(xfs_dmcore_xfs); +} diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 8c433163133..a4634d94e56 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -132,10 +133,14 @@ xfs_errortag_add(int error_tag, xfs_mount_t *mp) } int -xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud) +xfs_errortag_clearall(xfs_mount_t *mp, int loud) { - int i; + int64_t fsid; int cleared = 0; + int i; + + memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); + for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) && @@ -154,20 +159,10 @@ xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud) if (loud || cleared) cmn_err(CE_WARN, "Cleared all XFS error tags for filesystem \"%s\"", - fsname); + mp->m_fsname); return 0; } - -int -xfs_errortag_clearall(xfs_mount_t *mp) -{ - int64_t fsid; - - memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); - - return xfs_errortag_clearall_umount(fsid, mp->m_fsname, 1); -} #endif /* DEBUG || INDUCE_IO_ERROR */ static void diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 5599ada456a..10e9d9619ae 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -144,12 +144,11 @@ extern void xfs_error_test_init(void); #endif /* __ANSI_CPP__ */ extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); -extern int xfs_errortag_clearall(xfs_mount_t *mp); -extern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud); +extern int xfs_errortag_clearall(xfs_mount_t *mp, int loud); #else #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) #define xfs_errortag_add(tag, mp) (ENOSYS) -#define xfs_errortag_clearall(mp) (ENOSYS) +#define xfs_errortag_clearall(mp, loud) (ENOSYS) #endif /* (DEBUG || INDUCE_IO_ERROR) */ /* diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 3b14427ee12..f938a51be81 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -23,6 +23,7 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 432e82347ed..c92d5b82102 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -136,7 +136,6 @@ xfs_growfs_data_private( xfs_rfsblock_t nfree; xfs_agnumber_t oagcount; int pct; - xfs_sb_t *sbp; xfs_trans_t *tp; nb = in->newblocks; @@ -175,7 +174,7 @@ xfs_growfs_data_private( memset(&mp->m_perag[oagcount], 0, (nagcount - oagcount) * sizeof(xfs_perag_t)); mp->m_flags |= XFS_MOUNT_32BITINODES; - nagimax = xfs_initialize_perag(XFS_MTOVFS(mp), mp, nagcount); + nagimax = xfs_initialize_perag(mp, nagcount); up_write(&mp->m_peraglock); } tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS); @@ -377,8 +376,7 @@ xfs_growfs_data_private( error, agno); break; } - sbp = XFS_BUF_TO_SBP(bp); - xfs_xlatesb(sbp, &mp->m_sb, -1, XFS_SB_ALL_BITS); + xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb, XFS_SB_ALL_BITS); /* * If we get an error writing out the alternate superblocks, * just issue a warning and continue. The real work is @@ -435,10 +433,10 @@ xfs_growfs_data( xfs_growfs_data_t *in) { int error; - if (!cpsema(&mp->m_growlock)) + if (!mutex_trylock(&mp->m_growlock)) return XFS_ERROR(EWOULDBLOCK); error = xfs_growfs_data_private(mp, in); - vsema(&mp->m_growlock); + mutex_unlock(&mp->m_growlock); return error; } @@ -448,10 +446,10 @@ xfs_growfs_log( xfs_growfs_log_t *in) { int error; - if (!cpsema(&mp->m_growlock)) + if (!mutex_trylock(&mp->m_growlock)) return XFS_ERROR(EWOULDBLOCK); error = xfs_growfs_log_private(mp, in); - vsema(&mp->m_growlock); + mutex_unlock(&mp->m_growlock); return error; } @@ -628,8 +626,7 @@ xfs_fs_goingdown( { switch (inflags) { case XFS_FSOP_GOING_FLAGS_DEFAULT: { - struct bhv_vfs *vfsp = XFS_MTOVFS(mp); - struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev); + struct super_block *sb = freeze_bdev(mp->m_super->s_bdev); if (sb && !IS_ERR(sb)) { xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT); diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index f943368c9b9..1409c2d61c1 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -293,9 +293,9 @@ xfs_ialloc_ag_alloc( xfs_biozero(fbuf, 0, ninodes << args.mp->m_sb.sb_inodelog); for (i = 0; i < ninodes; i++) { free = XFS_MAKE_IPTR(args.mp, fbuf, i); - INT_SET(free->di_core.di_magic, ARCH_CONVERT, XFS_DINODE_MAGIC); - INT_SET(free->di_core.di_version, ARCH_CONVERT, version); - INT_SET(free->di_next_unlinked, ARCH_CONVERT, NULLAGINO); + free->di_core.di_magic = cpu_to_be16(XFS_DINODE_MAGIC); + free->di_core.di_version = version; + free->di_next_unlinked = cpu_to_be32(NULLAGINO); xfs_ialloc_log_di(tp, fbuf, i, XFS_DI_CORE_BITS | XFS_DI_NEXT_UNLINKED); } diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h index 97f4040931c..4e30ec1d13b 100644 --- a/fs/xfs/xfs_ialloc.h +++ b/fs/xfs/xfs_ialloc.h @@ -30,14 +30,9 @@ struct xfs_trans; #define XFS_IALLOC_BLOCKS(mp) (mp)->m_ialloc_blks /* - * For small block file systems, move inodes in clusters of this size. - * When we don't have a lot of memory, however, we go a bit smaller - * to reduce the number of AGI and ialloc btree blocks we need to keep - * around for xfs_dilocate(). We choose which one to use in - * xfs_mount_int(). + * Move inodes in clusters of this size. */ #define XFS_INODE_BIG_CLUSTER_SIZE 8192 -#define XFS_INODE_SMALL_CLUSTER_SIZE 4096 #define XFS_INODE_CLUSTER_SIZE(mp) (mp)->m_inode_cluster_size /* diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 114433a22ba..488836e204a 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -40,131 +40,13 @@ #include "xfs_utils.h" /* - * Initialize the inode hash table for the newly mounted file system. - * Choose an initial table size based on user specified value, else - * use a simple algorithm using the maximum number of inodes as an - * indicator for table size, and clamp it between one and some large - * number of pages. - */ -void -xfs_ihash_init(xfs_mount_t *mp) -{ - __uint64_t icount; - uint i; - - if (!mp->m_ihsize) { - icount = mp->m_maxicount ? mp->m_maxicount : - (mp->m_sb.sb_dblocks << mp->m_sb.sb_inopblog); - mp->m_ihsize = 1 << max_t(uint, 8, - (xfs_highbit64(icount) + 1) / 2); - mp->m_ihsize = min_t(uint, mp->m_ihsize, - (64 * NBPP) / sizeof(xfs_ihash_t)); - } - - mp->m_ihash = kmem_zalloc_greedy(&mp->m_ihsize, - NBPC * sizeof(xfs_ihash_t), - mp->m_ihsize * sizeof(xfs_ihash_t), - KM_SLEEP | KM_MAYFAIL | KM_LARGE); - mp->m_ihsize /= sizeof(xfs_ihash_t); - for (i = 0; i < mp->m_ihsize; i++) - rwlock_init(&(mp->m_ihash[i].ih_lock)); -} - -/* - * Free up structures allocated by xfs_ihash_init, at unmount time. - */ -void -xfs_ihash_free(xfs_mount_t *mp) -{ - kmem_free(mp->m_ihash, mp->m_ihsize * sizeof(xfs_ihash_t)); - mp->m_ihash = NULL; -} - -/* - * Initialize the inode cluster hash table for the newly mounted file system. - * Its size is derived from the ihash table size. - */ -void -xfs_chash_init(xfs_mount_t *mp) -{ - uint i; - - mp->m_chsize = max_t(uint, 1, mp->m_ihsize / - (XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog)); - mp->m_chsize = min_t(uint, mp->m_chsize, mp->m_ihsize); - mp->m_chash = (xfs_chash_t *)kmem_zalloc(mp->m_chsize - * sizeof(xfs_chash_t), - KM_SLEEP | KM_LARGE); - for (i = 0; i < mp->m_chsize; i++) { - spinlock_init(&mp->m_chash[i].ch_lock,"xfshash"); - } -} - -/* - * Free up structures allocated by xfs_chash_init, at unmount time. - */ -void -xfs_chash_free(xfs_mount_t *mp) -{ - int i; - - for (i = 0; i < mp->m_chsize; i++) { - spinlock_destroy(&mp->m_chash[i].ch_lock); - } - - kmem_free(mp->m_chash, mp->m_chsize*sizeof(xfs_chash_t)); - mp->m_chash = NULL; -} - -/* - * Try to move an inode to the front of its hash list if possible - * (and if its not there already). Called right after obtaining - * the list version number and then dropping the read_lock on the - * hash list in question (which is done right after looking up the - * inode in question...). - */ -STATIC void -xfs_ihash_promote( - xfs_ihash_t *ih, - xfs_inode_t *ip, - ulong version) -{ - xfs_inode_t *iq; - - if ((ip->i_prevp != &ih->ih_next) && write_trylock(&ih->ih_lock)) { - if (likely(version == ih->ih_version)) { - /* remove from list */ - if ((iq = ip->i_next)) { - iq->i_prevp = ip->i_prevp; - } - *ip->i_prevp = iq; - - /* insert at list head */ - iq = ih->ih_next; - iq->i_prevp = &ip->i_next; - ip->i_next = iq; - ip->i_prevp = &ih->ih_next; - ih->ih_next = ip; - } - write_unlock(&ih->ih_lock); - } -} - -/* * Look up an inode by number in the given file system. - * The inode is looked up in the hash table for the file system - * represented by the mount point parameter mp. Each bucket of - * the hash table is guarded by an individual semaphore. - * - * If the inode is found in the hash table, its corresponding vnode - * is obtained with a call to vn_get(). This call takes care of - * coordination with the reclamation of the inode and vnode. Note - * that the vmap structure is filled in while holding the hash lock. - * This gives us the state of the inode/vnode when we found it and - * is used for coordination in vn_get(). + * The inode is looked up in the cache held in each AG. + * If the inode is found in the cache, attach it to the provided + * vnode. * - * If it is not in core, read it in from the file system's device and - * add the inode into the hash table. + * If it is not in core, read it in from the file system's device, + * add it to the cache and attach the provided vnode. * * The inode is locked according to the value of the lock_flags parameter. * This flag parameter indicates how and if the inode's IO lock and inode lock @@ -192,274 +74,241 @@ xfs_iget_core( xfs_inode_t **ipp, xfs_daddr_t bno) { - xfs_ihash_t *ih; xfs_inode_t *ip; xfs_inode_t *iq; bhv_vnode_t *inode_vp; - ulong version; int error; - /* REFERENCED */ - xfs_chash_t *ch; - xfs_chashlist_t *chl, *chlnew; - SPLDECL(s); + xfs_icluster_t *icl, *new_icl = NULL; + unsigned long first_index, mask; + xfs_perag_t *pag; + xfs_agino_t agino; + + /* the radix tree exists only in inode capable AGs */ + if (XFS_INO_TO_AGNO(mp, ino) >= mp->m_maxagi) + return EINVAL; + + /* get the perag structure and ensure that it's inode capable */ + pag = xfs_get_perag(mp, ino); + if (!pag->pagi_inodeok) + return EINVAL; + ASSERT(pag->pag_ici_init); + agino = XFS_INO_TO_AGINO(mp, ino); +again: + read_lock(&pag->pag_ici_lock); + ip = radix_tree_lookup(&pag->pag_ici_root, agino); - ih = XFS_IHASH(mp, ino); + if (ip != NULL) { + /* + * If INEW is set this inode is being set up + * we need to pause and try again. + */ + if (xfs_iflags_test(ip, XFS_INEW)) { + read_unlock(&pag->pag_ici_lock); + delay(1); + XFS_STATS_INC(xs_ig_frecycle); -again: - read_lock(&ih->ih_lock); + goto again; + } - for (ip = ih->ih_next; ip != NULL; ip = ip->i_next) { - if (ip->i_ino == ino) { + inode_vp = XFS_ITOV_NULL(ip); + if (inode_vp == NULL) { /* - * If INEW is set this inode is being set up + * If IRECLAIM is set this inode is + * on its way out of the system, * we need to pause and try again. */ - if (xfs_iflags_test(ip, XFS_INEW)) { - read_unlock(&ih->ih_lock); + if (xfs_iflags_test(ip, XFS_IRECLAIM)) { + read_unlock(&pag->pag_ici_lock); delay(1); XFS_STATS_INC(xs_ig_frecycle); goto again; } + ASSERT(xfs_iflags_test(ip, XFS_IRECLAIMABLE)); - inode_vp = XFS_ITOV_NULL(ip); - if (inode_vp == NULL) { - /* - * If IRECLAIM is set this inode is - * on its way out of the system, - * we need to pause and try again. - */ - if (xfs_iflags_test(ip, XFS_IRECLAIM)) { - read_unlock(&ih->ih_lock); - delay(1); - XFS_STATS_INC(xs_ig_frecycle); - - goto again; - } - ASSERT(xfs_iflags_test(ip, XFS_IRECLAIMABLE)); - - /* - * If lookup is racing with unlink, then we - * should return an error immediately so we - * don't remove it from the reclaim list and - * potentially leak the inode. - */ - if ((ip->i_d.di_mode == 0) && - !(flags & XFS_IGET_CREATE)) { - read_unlock(&ih->ih_lock); - return ENOENT; - } - - /* - * There may be transactions sitting in the - * incore log buffers or being flushed to disk - * at this time. We can't clear the - * XFS_IRECLAIMABLE flag until these - * transactions have hit the disk, otherwise we - * will void the guarantee the flag provides - * xfs_iunpin() - */ - if (xfs_ipincount(ip)) { - read_unlock(&ih->ih_lock); - xfs_log_force(mp, 0, - XFS_LOG_FORCE|XFS_LOG_SYNC); - XFS_STATS_INC(xs_ig_frecycle); - goto again; - } - - vn_trace_exit(vp, "xfs_iget.alloc", - (inst_t *)__return_address); + /* + * If lookup is racing with unlink, then we + * should return an error immediately so we + * don't remove it from the reclaim list and + * potentially leak the inode. + */ + if ((ip->i_d.di_mode == 0) && + !(flags & XFS_IGET_CREATE)) { + read_unlock(&pag->pag_ici_lock); + xfs_put_perag(mp, pag); + return ENOENT; + } + + /* + * There may be transactions sitting in the + * incore log buffers or being flushed to disk + * at this time. We can't clear the + * XFS_IRECLAIMABLE flag until these + * transactions have hit the disk, otherwise we + * will void the guarantee the flag provides + * xfs_iunpin() + */ + if (xfs_ipincount(ip)) { + read_unlock(&pag->pag_ici_lock); + xfs_log_force(mp, 0, + XFS_LOG_FORCE|XFS_LOG_SYNC); + XFS_STATS_INC(xs_ig_frecycle); + goto again; + } - XFS_STATS_INC(xs_ig_found); + vn_trace_exit(ip, "xfs_iget.alloc", + (inst_t *)__return_address); - xfs_iflags_clear(ip, XFS_IRECLAIMABLE); - version = ih->ih_version; - read_unlock(&ih->ih_lock); - xfs_ihash_promote(ih, ip, version); + XFS_STATS_INC(xs_ig_found); - XFS_MOUNT_ILOCK(mp); - list_del_init(&ip->i_reclaim); - XFS_MOUNT_IUNLOCK(mp); + xfs_iflags_clear(ip, XFS_IRECLAIMABLE); + read_unlock(&pag->pag_ici_lock); - goto finish_inode; + XFS_MOUNT_ILOCK(mp); + list_del_init(&ip->i_reclaim); + XFS_MOUNT_IUNLOCK(mp); - } else if (vp != inode_vp) { - struct inode *inode = vn_to_inode(inode_vp); + goto finish_inode; - /* The inode is being torn down, pause and - * try again. - */ - if (inode->i_state & (I_FREEING | I_CLEAR)) { - read_unlock(&ih->ih_lock); - delay(1); - XFS_STATS_INC(xs_ig_frecycle); + } else if (vp != inode_vp) { + struct inode *inode = vn_to_inode(inode_vp); - goto again; - } -/* Chances are the other vnode (the one in the inode) is being torn - * down right now, and we landed on top of it. Question is, what do - * we do? Unhook the old inode and hook up the new one? - */ - cmn_err(CE_PANIC, - "xfs_iget_core: ambiguous vns: vp/0x%p, invp/0x%p", - inode_vp, vp); + /* The inode is being torn down, pause and + * try again. + */ + if (inode->i_state & (I_FREEING | I_CLEAR)) { + read_unlock(&pag->pag_ici_lock); + delay(1); + XFS_STATS_INC(xs_ig_frecycle); + + goto again; } +/* Chances are the other vnode (the one in the inode) is being torn +* down right now, and we landed on top of it. Question is, what do +* we do? Unhook the old inode and hook up the new one? +*/ + cmn_err(CE_PANIC, + "xfs_iget_core: ambiguous vns: vp/0x%p, invp/0x%p", + inode_vp, vp); + } - /* - * Inode cache hit: if ip is not at the front of - * its hash chain, move it there now. - * Do this with the lock held for update, but - * do statistics after releasing the lock. - */ - version = ih->ih_version; - read_unlock(&ih->ih_lock); - xfs_ihash_promote(ih, ip, version); - XFS_STATS_INC(xs_ig_found); + /* + * Inode cache hit + */ + read_unlock(&pag->pag_ici_lock); + XFS_STATS_INC(xs_ig_found); finish_inode: - if (ip->i_d.di_mode == 0) { - if (!(flags & XFS_IGET_CREATE)) - return ENOENT; - xfs_iocore_inode_reinit(ip); + if (ip->i_d.di_mode == 0) { + if (!(flags & XFS_IGET_CREATE)) { + xfs_put_perag(mp, pag); + return ENOENT; } + xfs_iocore_inode_reinit(ip); + } - if (lock_flags != 0) - xfs_ilock(ip, lock_flags); + if (lock_flags != 0) + xfs_ilock(ip, lock_flags); - xfs_iflags_clear(ip, XFS_ISTALE); - vn_trace_exit(vp, "xfs_iget.found", - (inst_t *)__return_address); - goto return_ip; - } + xfs_iflags_clear(ip, XFS_ISTALE); + vn_trace_exit(ip, "xfs_iget.found", + (inst_t *)__return_address); + goto return_ip; } /* - * Inode cache miss: save the hash chain version stamp and unlock - * the chain, so we don't deadlock in vn_alloc. + * Inode cache miss */ + read_unlock(&pag->pag_ici_lock); XFS_STATS_INC(xs_ig_missed); - version = ih->ih_version; - - read_unlock(&ih->ih_lock); - /* * Read the disk inode attributes into a new inode structure and get * a new vnode for it. This should also initialize i_ino and i_mount. */ error = xfs_iread(mp, tp, ino, &ip, bno, (flags & XFS_IGET_BULKSTAT) ? XFS_IMAP_BULKSTAT : 0); - if (error) + if (error) { + xfs_put_perag(mp, pag); return error; + } - vn_trace_exit(vp, "xfs_iget.alloc", (inst_t *)__return_address); + vn_trace_exit(ip, "xfs_iget.alloc", (inst_t *)__return_address); xfs_inode_lock_init(ip, vp); xfs_iocore_inode_init(ip); - if (lock_flags) xfs_ilock(ip, lock_flags); if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) { xfs_idestroy(ip); + xfs_put_perag(mp, pag); return ENOENT; } /* - * Put ip on its hash chain, unless someone else hashed a duplicate - * after we released the hash lock. + * This is a bit messy - we preallocate everything we _might_ + * need before we pick up the ici lock. That way we don't have to + * juggle locks and go all the way back to the start. */ - write_lock(&ih->ih_lock); + new_icl = kmem_zone_alloc(xfs_icluster_zone, KM_SLEEP); + if (radix_tree_preload(GFP_KERNEL)) { + delay(1); + goto again; + } + mask = ~(((XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog)) - 1); + first_index = agino & mask; + write_lock(&pag->pag_ici_lock); - if (ih->ih_version != version) { - for (iq = ih->ih_next; iq != NULL; iq = iq->i_next) { - if (iq->i_ino == ino) { - write_unlock(&ih->ih_lock); - xfs_idestroy(ip); + /* + * Find the cluster if it exists + */ + icl = NULL; + if (radix_tree_gang_lookup(&pag->pag_ici_root, (void**)&iq, + first_index, 1)) { + if ((iq->i_ino & mask) == first_index) + icl = iq->i_cluster; + } - XFS_STATS_INC(xs_ig_dup); - goto again; - } - } + /* + * insert the new inode + */ + error = radix_tree_insert(&pag->pag_ici_root, agino, ip); + if (unlikely(error)) { + BUG_ON(error != -EEXIST); + write_unlock(&pag->pag_ici_lock); + radix_tree_preload_end(); + xfs_idestroy(ip); + XFS_STATS_INC(xs_ig_dup); + goto again; } /* * These values _must_ be set before releasing ihlock! */ - ip->i_hash = ih; - if ((iq = ih->ih_next)) { - iq->i_prevp = &ip->i_next; - } - ip->i_next = iq; - ip->i_prevp = &ih->ih_next; - ih->ih_next = ip; ip->i_udquot = ip->i_gdquot = NULL; - ih->ih_version++; xfs_iflags_set(ip, XFS_INEW); - write_unlock(&ih->ih_lock); - /* - * put ip on its cluster's hash chain - */ - ASSERT(ip->i_chash == NULL && ip->i_cprev == NULL && - ip->i_cnext == NULL); - - chlnew = NULL; - ch = XFS_CHASH(mp, ip->i_blkno); - chlredo: - s = mutex_spinlock(&ch->ch_lock); - for (chl = ch->ch_list; chl != NULL; chl = chl->chl_next) { - if (chl->chl_blkno == ip->i_blkno) { - - /* insert this inode into the doubly-linked list - * where chl points */ - if ((iq = chl->chl_ip)) { - ip->i_cprev = iq->i_cprev; - iq->i_cprev->i_cnext = ip; - iq->i_cprev = ip; - ip->i_cnext = iq; - } else { - ip->i_cnext = ip; - ip->i_cprev = ip; - } - chl->chl_ip = ip; - ip->i_chash = chl; - break; - } - } + ASSERT(ip->i_cluster == NULL); - /* no hash list found for this block; add a new hash list */ - if (chl == NULL) { - if (chlnew == NULL) { - mutex_spinunlock(&ch->ch_lock, s); - ASSERT(xfs_chashlist_zone != NULL); - chlnew = (xfs_chashlist_t *) - kmem_zone_alloc(xfs_chashlist_zone, - KM_SLEEP); - ASSERT(chlnew != NULL); - goto chlredo; - } else { - ip->i_cnext = ip; - ip->i_cprev = ip; - ip->i_chash = chlnew; - chlnew->chl_ip = ip; - chlnew->chl_blkno = ip->i_blkno; - if (ch->ch_list) - ch->ch_list->chl_prev = chlnew; - chlnew->chl_next = ch->ch_list; - chlnew->chl_prev = NULL; - ch->ch_list = chlnew; - chlnew = NULL; - } + if (!icl) { + spin_lock_init(&new_icl->icl_lock); + INIT_HLIST_HEAD(&new_icl->icl_inodes); + icl = new_icl; + new_icl = NULL; } else { - if (chlnew != NULL) { - kmem_zone_free(xfs_chashlist_zone, chlnew); - } + ASSERT(!hlist_empty(&icl->icl_inodes)); } + spin_lock(&icl->icl_lock); + hlist_add_head(&ip->i_cnode, &icl->icl_inodes); + ip->i_cluster = icl; + spin_unlock(&icl->icl_lock); - mutex_spinunlock(&ch->ch_lock, s); - + write_unlock(&pag->pag_ici_lock); + radix_tree_preload_end(); + if (new_icl) + kmem_zone_free(xfs_icluster_zone, new_icl); /* * Link ip to its mount and thread it on the mount's inode list. @@ -478,6 +327,7 @@ finish_inode: mp->m_inodes = ip; XFS_MOUNT_IUNLOCK(mp); + xfs_put_perag(mp, pag); return_ip: ASSERT(ip->i_df.if_ext_max == @@ -486,14 +336,14 @@ finish_inode: ASSERT(((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) != 0) == ((ip->i_iocore.io_flags & XFS_IOCORE_RT) != 0)); + xfs_iflags_set(ip, XFS_IMODIFIED); *ipp = ip; /* * If we have a real type for an on-disk inode, we can set ops(&unlock) * now. If it's a new inode being created, xfs_ialloc will handle it. */ - bhv_vfs_init_vnode(XFS_MTOVFS(mp), vp, XFS_ITOBHV(ip), 1); - + xfs_initialize_vnode(mp, vp, ip); return 0; } @@ -519,7 +369,8 @@ xfs_iget( XFS_STATS_INC(xs_ig_attempts); retry: - if ((inode = iget_locked(XFS_MTOVFS(mp)->vfs_super, ino))) { + inode = iget_locked(mp->m_super, ino); + if (inode) { xfs_inode_t *ip; vp = vn_from_inode(inode); @@ -570,8 +421,8 @@ xfs_inode_lock_init( bhv_vnode_t *vp) { mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER, - "xfsino", (long)vp->v_number); - mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", vp->v_number); + "xfsino", ip->i_ino); + mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino); init_waitqueue_head(&ip->i_ipin_wait); atomic_set(&ip->i_pincount, 0); initnsema(&ip->i_flock, 1, "xfsfino"); @@ -587,32 +438,19 @@ xfs_inode_incore(xfs_mount_t *mp, xfs_ino_t ino, xfs_trans_t *tp) { - xfs_ihash_t *ih; xfs_inode_t *ip; - ulong version; - - ih = XFS_IHASH(mp, ino); - read_lock(&ih->ih_lock); - for (ip = ih->ih_next; ip != NULL; ip = ip->i_next) { - if (ip->i_ino == ino) { - /* - * If we find it and tp matches, return it. - * Also move it to the front of the hash list - * if we find it and it is not already there. - * Otherwise break from the loop and return - * NULL. - */ - if (ip->i_transp == tp) { - version = ih->ih_version; - read_unlock(&ih->ih_lock); - xfs_ihash_promote(ih, ip, version); - return (ip); - } - break; - } - } - read_unlock(&ih->ih_lock); - return (NULL); + xfs_perag_t *pag; + + pag = xfs_get_perag(mp, ino); + read_lock(&pag->pag_ici_lock); + ip = radix_tree_lookup(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ino)); + read_unlock(&pag->pag_ici_lock); + xfs_put_perag(mp, pag); + + /* the returned inode must match the transaction */ + if (ip && (ip->i_transp != tp)) + return NULL; + return ip; } /* @@ -629,7 +467,7 @@ xfs_iput(xfs_inode_t *ip, { bhv_vnode_t *vp = XFS_ITOV(ip); - vn_trace_entry(vp, "xfs_iput", (inst_t *)__return_address); + vn_trace_entry(ip, "xfs_iput", (inst_t *)__return_address); xfs_iunlock(ip, lock_flags); VN_RELE(vp); } @@ -644,7 +482,7 @@ xfs_iput_new(xfs_inode_t *ip, bhv_vnode_t *vp = XFS_ITOV(ip); struct inode *inode = vn_to_inode(vp); - vn_trace_entry(vp, "xfs_iput_new", (inst_t *)__return_address); + vn_trace_entry(ip, "xfs_iput_new", (inst_t *)__return_address); if ((ip->i_d.di_mode == 0)) { ASSERT(!xfs_iflags_test(ip, XFS_IRECLAIMABLE)); @@ -699,7 +537,8 @@ xfs_ireclaim(xfs_inode_t *ip) */ vp = XFS_ITOV_NULL(ip); if (vp) { - vn_bhv_remove(VN_BHV_HEAD(vp), XFS_ITOBHV(ip)); + vn_to_inode(vp)->i_private = NULL; + ip->i_vnode = NULL; } /* @@ -718,58 +557,26 @@ void xfs_iextract( xfs_inode_t *ip) { - xfs_ihash_t *ih; + xfs_mount_t *mp = ip->i_mount; + xfs_perag_t *pag = xfs_get_perag(mp, ip->i_ino); xfs_inode_t *iq; - xfs_mount_t *mp; - xfs_chash_t *ch; - xfs_chashlist_t *chl, *chm; - SPLDECL(s); - - ih = ip->i_hash; - write_lock(&ih->ih_lock); - if ((iq = ip->i_next)) { - iq->i_prevp = ip->i_prevp; - } - *ip->i_prevp = iq; - ih->ih_version++; - write_unlock(&ih->ih_lock); + + write_lock(&pag->pag_ici_lock); + radix_tree_delete(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino)); + write_unlock(&pag->pag_ici_lock); + xfs_put_perag(mp, pag); /* - * Remove from cluster hash list - * 1) delete the chashlist if this is the last inode on the chashlist - * 2) unchain from list of inodes - * 3) point chashlist->chl_ip to 'chl_next' if to this inode. + * Remove from cluster list */ mp = ip->i_mount; - ch = XFS_CHASH(mp, ip->i_blkno); - s = mutex_spinlock(&ch->ch_lock); - - if (ip->i_cnext == ip) { - /* Last inode on chashlist */ - ASSERT(ip->i_cnext == ip && ip->i_cprev == ip); - ASSERT(ip->i_chash != NULL); - chm=NULL; - chl = ip->i_chash; - if (chl->chl_prev) - chl->chl_prev->chl_next = chl->chl_next; - else - ch->ch_list = chl->chl_next; - if (chl->chl_next) - chl->chl_next->chl_prev = chl->chl_prev; - kmem_zone_free(xfs_chashlist_zone, chl); - } else { - /* delete one inode from a non-empty list */ - iq = ip->i_cnext; - iq->i_cprev = ip->i_cprev; - ip->i_cprev->i_cnext = iq; - if (ip->i_chash->chl_ip == ip) { - ip->i_chash->chl_ip = iq; - } - ip->i_chash = __return_address; - ip->i_cprev = __return_address; - ip->i_cnext = __return_address; - } - mutex_spinunlock(&ch->ch_lock, s); + spin_lock(&ip->i_cluster->icl_lock); + hlist_del(&ip->i_cnode); + spin_unlock(&ip->i_cluster->icl_lock); + + /* was last inode in cluster? */ + if (hlist_empty(&ip->i_cluster->icl_inodes)) + kmem_zone_free(xfs_icluster_zone, ip->i_cluster); /* * Remove from mount's inode list. diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index cdc4c28926d..abf509a8891 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -49,12 +49,11 @@ #include "xfs_quota.h" #include "xfs_acl.h" #include "xfs_filestream.h" - -#include <linux/log2.h> +#include "xfs_vnodeops.h" kmem_zone_t *xfs_ifork_zone; kmem_zone_t *xfs_inode_zone; -kmem_zone_t *xfs_chashlist_zone; +kmem_zone_t *xfs_icluster_zone; /* * Used in xfs_itruncate(). This is the maximum number of extents @@ -67,7 +66,6 @@ STATIC int xfs_iformat_local(xfs_inode_t *, xfs_dinode_t *, int, int); STATIC int xfs_iformat_extents(xfs_inode_t *, xfs_dinode_t *, int); STATIC int xfs_iformat_btree(xfs_inode_t *, xfs_dinode_t *, int); - #ifdef DEBUG /* * Make sure that the extents in the given memory buffer @@ -77,28 +75,23 @@ STATIC void xfs_validate_extents( xfs_ifork_t *ifp, int nrecs, - int disk, xfs_exntfmt_t fmt) { - xfs_bmbt_rec_t *ep; xfs_bmbt_irec_t irec; - xfs_bmbt_rec_t rec; + xfs_bmbt_rec_host_t rec; int i; for (i = 0; i < nrecs; i++) { - ep = xfs_iext_get_ext(ifp, i); - rec.l0 = get_unaligned((__uint64_t*)&ep->l0); - rec.l1 = get_unaligned((__uint64_t*)&ep->l1); - if (disk) - xfs_bmbt_disk_get_all(&rec, &irec); - else - xfs_bmbt_get_all(&rec, &irec); + xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i); + rec.l0 = get_unaligned(&ep->l0); + rec.l1 = get_unaligned(&ep->l1); + xfs_bmbt_get_all(&rec, &irec); if (fmt == XFS_EXTFMT_NOSTATE) ASSERT(irec.br_state == XFS_EXT_NORM); } } #else /* DEBUG */ -#define xfs_validate_extents(ifp, nrecs, disk, fmt) +#define xfs_validate_extents(ifp, nrecs, fmt) #endif /* DEBUG */ /* @@ -201,8 +194,8 @@ xfs_inotobp( } dip = (xfs_dinode_t *)xfs_buf_offset(bp, 0); di_ok = - INT_GET(dip->di_core.di_magic, ARCH_CONVERT) == XFS_DINODE_MAGIC && - XFS_DINODE_GOOD_VERSION(INT_GET(dip->di_core.di_version, ARCH_CONVERT)); + be16_to_cpu(dip->di_core.di_magic) == XFS_DINODE_MAGIC && + XFS_DINODE_GOOD_VERSION(dip->di_core.di_version); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, XFS_RANDOM_ITOBP_INOTOBP))) { XFS_CORRUPTION_ERROR("xfs_inotobp", XFS_ERRLEVEL_LOW, mp, dip); @@ -346,8 +339,8 @@ xfs_itobp( dip = (xfs_dinode_t *)xfs_buf_offset(bp, (i << mp->m_sb.sb_inodelog)); - di_ok = INT_GET(dip->di_core.di_magic, ARCH_CONVERT) == XFS_DINODE_MAGIC && - XFS_DINODE_GOOD_VERSION(INT_GET(dip->di_core.di_version, ARCH_CONVERT)); + di_ok = be16_to_cpu(dip->di_core.di_magic) == XFS_DINODE_MAGIC && + XFS_DINODE_GOOD_VERSION(dip->di_core.di_version); if (unlikely(XFS_TEST_ERROR(!di_ok, mp, XFS_ERRTAG_ITOBP_INOTOBP, XFS_RANDOM_ITOBP_INOTOBP))) { @@ -361,7 +354,7 @@ xfs_itobp( "daddr %lld #%d (magic=%x)", XFS_BUFTARG_NAME(mp->m_ddev_targp), (unsigned long long)imap.im_blkno, i, - INT_GET(dip->di_core.di_magic, ARCH_CONVERT)); + be16_to_cpu(dip->di_core.di_magic)); #endif XFS_CORRUPTION_ERROR("xfs_itobp", XFS_ERRLEVEL_HIGH, mp, dip); @@ -407,27 +400,26 @@ xfs_iformat( XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t); error = 0; - if (unlikely( - INT_GET(dip->di_core.di_nextents, ARCH_CONVERT) + - INT_GET(dip->di_core.di_anextents, ARCH_CONVERT) > - INT_GET(dip->di_core.di_nblocks, ARCH_CONVERT))) { + if (unlikely(be32_to_cpu(dip->di_core.di_nextents) + + be16_to_cpu(dip->di_core.di_anextents) > + be64_to_cpu(dip->di_core.di_nblocks))) { xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount, "corrupt dinode %Lu, extent total = %d, nblocks = %Lu.", (unsigned long long)ip->i_ino, - (int)(INT_GET(dip->di_core.di_nextents, ARCH_CONVERT) - + INT_GET(dip->di_core.di_anextents, ARCH_CONVERT)), + (int)(be32_to_cpu(dip->di_core.di_nextents) + + be16_to_cpu(dip->di_core.di_anextents)), (unsigned long long) - INT_GET(dip->di_core.di_nblocks, ARCH_CONVERT)); + be64_to_cpu(dip->di_core.di_nblocks)); XFS_CORRUPTION_ERROR("xfs_iformat(1)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); return XFS_ERROR(EFSCORRUPTED); } - if (unlikely(INT_GET(dip->di_core.di_forkoff, ARCH_CONVERT) > ip->i_mount->m_sb.sb_inodesize)) { + if (unlikely(dip->di_core.di_forkoff > ip->i_mount->m_sb.sb_inodesize)) { xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount, "corrupt dinode %Lu, forkoff = 0x%x.", (unsigned long long)ip->i_ino, - (int)(INT_GET(dip->di_core.di_forkoff, ARCH_CONVERT))); + dip->di_core.di_forkoff); XFS_CORRUPTION_ERROR("xfs_iformat(2)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); return XFS_ERROR(EFSCORRUPTED); @@ -438,25 +430,25 @@ xfs_iformat( case S_IFCHR: case S_IFBLK: case S_IFSOCK: - if (unlikely(INT_GET(dip->di_core.di_format, ARCH_CONVERT) != XFS_DINODE_FMT_DEV)) { + if (unlikely(dip->di_core.di_format != XFS_DINODE_FMT_DEV)) { XFS_CORRUPTION_ERROR("xfs_iformat(3)", XFS_ERRLEVEL_LOW, ip->i_mount, dip); return XFS_ERROR(EFSCORRUPTED); } ip->i_d.di_size = 0; ip->i_size = 0; - ip->i_df.if_u2.if_rdev = INT_GET(dip->di_u.di_dev, ARCH_CONVERT); + ip->i_df.if_u2.if_rdev = be32_to_cpu(dip->di_u.di_dev); break; case S_IFREG: case S_IFLNK: case S_IFDIR: - switch (INT_GET(dip->di_core.di_format, ARCH_CONVERT)) { + switch (dip->di_core.di_format) { case XFS_DINODE_FMT_LOCAL: /* * no local regular files yet */ - if (unlikely((INT_GET(dip->di_core.di_mode, ARCH_CONVERT) & S_IFMT) == S_IFREG)) { + if (unlikely((be16_to_cpu(dip->di_core.di_mode) & S_IFMT) == S_IFREG)) { xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount, "corrupt inode %Lu " "(local format for regular file).", @@ -467,7 +459,7 @@ xfs_iformat( return XFS_ERROR(EFSCORRUPTED); } - di_size = INT_GET(dip->di_core.di_size, ARCH_CONVERT); + di_size = be64_to_cpu(dip->di_core.di_size); if (unlikely(di_size > XFS_DFORK_DSIZE(dip, ip->i_mount))) { xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount, "corrupt inode %Lu " @@ -509,7 +501,7 @@ xfs_iformat( ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP); ip->i_afp->if_ext_max = XFS_IFORK_ASIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t); - switch (INT_GET(dip->di_core.di_aformat, ARCH_CONVERT)) { + switch (dip->di_core.di_aformat) { case XFS_DINODE_FMT_LOCAL: atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip); size = be16_to_cpu(atp->hdr.totsize); @@ -602,7 +594,7 @@ xfs_iformat_extents( xfs_dinode_t *dip, int whichfork) { - xfs_bmbt_rec_t *ep, *dp; + xfs_bmbt_rec_t *dp; xfs_ifork_t *ifp; int nex; int size; @@ -637,13 +629,11 @@ xfs_iformat_extents( ifp->if_bytes = size; if (size) { dp = (xfs_bmbt_rec_t *) XFS_DFORK_PTR(dip, whichfork); - xfs_validate_extents(ifp, nex, 1, XFS_EXTFMT_INODE(ip)); + xfs_validate_extents(ifp, nex, XFS_EXTFMT_INODE(ip)); for (i = 0; i < nex; i++, dp++) { - ep = xfs_iext_get_ext(ifp, i); - ep->l0 = INT_GET(get_unaligned((__uint64_t*)&dp->l0), - ARCH_CONVERT); - ep->l1 = INT_GET(get_unaligned((__uint64_t*)&dp->l1), - ARCH_CONVERT); + xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i); + ep->l0 = be64_to_cpu(get_unaligned(&dp->l0)); + ep->l1 = be64_to_cpu(get_unaligned(&dp->l1)); } XFS_BMAP_TRACE_EXLIST(ip, nex, whichfork); if (whichfork != XFS_DATA_FORK || @@ -719,70 +709,74 @@ xfs_iformat_btree( return 0; } -/* - * xfs_xlate_dinode_core - translate an xfs_inode_core_t between ondisk - * and native format - * - * buf = on-disk representation - * dip = native representation - * dir = direction - +ve -> disk to native - * -ve -> native to disk - */ void -xfs_xlate_dinode_core( - xfs_caddr_t buf, - xfs_dinode_core_t *dip, - int dir) +xfs_dinode_from_disk( + xfs_icdinode_t *to, + xfs_dinode_core_t *from) { - xfs_dinode_core_t *buf_core = (xfs_dinode_core_t *)buf; - xfs_dinode_core_t *mem_core = (xfs_dinode_core_t *)dip; - xfs_arch_t arch = ARCH_CONVERT; - - ASSERT(dir); - - INT_XLATE(buf_core->di_magic, mem_core->di_magic, dir, arch); - INT_XLATE(buf_core->di_mode, mem_core->di_mode, dir, arch); - INT_XLATE(buf_core->di_version, mem_core->di_version, dir, arch); - INT_XLATE(buf_core->di_format, mem_core->di_format, dir, arch); - INT_XLATE(buf_core->di_onlink, mem_core->di_onlink, dir, arch); - INT_XLATE(buf_core->di_uid, mem_core->di_uid, dir, arch); - INT_XLATE(buf_core->di_gid, mem_core->di_gid, dir, arch); - INT_XLATE(buf_core->di_nlink, mem_core->di_nlink, dir, arch); - INT_XLATE(buf_core->di_projid, mem_core->di_projid, dir, arch); - - if (dir > 0) { - memcpy(mem_core->di_pad, buf_core->di_pad, - sizeof(buf_core->di_pad)); - } else { - memcpy(buf_core->di_pad, mem_core->di_pad, - sizeof(buf_core->di_pad)); - } - - INT_XLATE(buf_core->di_flushiter, mem_core->di_flushiter, dir, arch); - - INT_XLATE(buf_core->di_atime.t_sec, mem_core->di_atime.t_sec, - dir, arch); - INT_XLATE(buf_core->di_atime.t_nsec, mem_core->di_atime.t_nsec, - dir, arch); - INT_XLATE(buf_core->di_mtime.t_sec, mem_core->di_mtime.t_sec, - dir, arch); - INT_XLATE(buf_core->di_mtime.t_nsec, mem_core->di_mtime.t_nsec, - dir, arch); - INT_XLATE(buf_core->di_ctime.t_sec, mem_core->di_ctime.t_sec, - dir, arch); - INT_XLATE(buf_core->di_ctime.t_nsec, mem_core->di_ctime.t_nsec, - dir, arch); - INT_XLATE(buf_core->di_size, mem_core->di_size, dir, arch); - INT_XLATE(buf_core->di_nblocks, mem_core->di_nblocks, dir, arch); - INT_XLATE(buf_core->di_extsize, mem_core->di_extsize, dir, arch); - INT_XLATE(buf_core->di_nextents, mem_core->di_nextents, dir, arch); - INT_XLATE(buf_core->di_anextents, mem_core->di_anextents, dir, arch); - INT_XLATE(buf_core->di_forkoff, mem_core->di_forkoff, dir, arch); - INT_XLATE(buf_core->di_aformat, mem_core->di_aformat, dir, arch); - INT_XLATE(buf_core->di_dmevmask, mem_core->di_dmevmask, dir, arch); - INT_XLATE(buf_core->di_dmstate, mem_core->di_dmstate, dir, arch); - INT_XLATE(buf_core->di_flags, mem_core->di_flags, dir, arch); - INT_XLATE(buf_core->di_gen, mem_core->di_gen, dir, arch); + to->di_magic = be16_to_cpu(from->di_magic); + to->di_mode = be16_to_cpu(from->di_mode); + to->di_version = from ->di_version; + to->di_format = from->di_format; + to->di_onlink = be16_to_cpu(from->di_onlink); + to->di_uid = be32_to_cpu(from->di_uid); + to->di_gid = be32_to_cpu(from->di_gid); + to->di_nlink = be32_to_cpu(from->di_nlink); + to->di_projid = be16_to_cpu(from->di_projid); + memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad)); + to->di_flushiter = be16_to_cpu(from->di_flushiter); + to->di_atime.t_sec = be32_to_cpu(from->di_atime.t_sec); + to->di_atime.t_nsec = be32_to_cpu(from->di_atime.t_nsec); + to->di_mtime.t_sec = be32_to_cpu(from->di_mtime.t_sec); + to->di_mtime.t_nsec = be32_to_cpu(from->di_mtime.t_nsec); + to->di_ctime.t_sec = be32_to_cpu(from->di_ctime.t_sec); + to->di_ctime.t_nsec = be32_to_cpu(from->di_ctime.t_nsec); + to->di_size = be64_to_cpu(from->di_size); + to->di_nblocks = be64_to_cpu(from->di_nblocks); + to->di_extsize = be32_to_cpu(from->di_extsize); + to->di_nextents = be32_to_cpu(from->di_nextents); + to->di_anextents = be16_to_cpu(from->di_anextents); + to->di_forkoff = from->di_forkoff; + to->di_aformat = from->di_aformat; + to->di_dmevmask = be32_to_cpu(from->di_dmevmask); + to->di_dmstate = be16_to_cpu(from->di_dmstate); + to->di_flags = be16_to_cpu(from->di_flags); + to->di_gen = be32_to_cpu(from->di_gen); +} + +void +xfs_dinode_to_disk( + xfs_dinode_core_t *to, + xfs_icdinode_t *from) +{ + to->di_magic = cpu_to_be16(from->di_magic); + to->di_mode = cpu_to_be16(from->di_mode); + to->di_version = from ->di_version; + to->di_format = from->di_format; + to->di_onlink = cpu_to_be16(from->di_onlink); + to->di_uid = cpu_to_be32(from->di_uid); + to->di_gid = cpu_to_be32(from->di_gid); + to->di_nlink = cpu_to_be32(from->di_nlink); + to->di_projid = cpu_to_be16(from->di_projid); + memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad)); + to->di_flushiter = cpu_to_be16(from->di_flushiter); + to->di_atime.t_sec = cpu_to_be32(from->di_atime.t_sec); + to->di_atime.t_nsec = cpu_to_be32(from->di_atime.t_nsec); + to->di_mtime.t_sec = cpu_to_be32(from->di_mtime.t_sec); + to->di_mtime.t_nsec = cpu_to_be32(from->di_mtime.t_nsec); + to->di_ctime.t_sec = cpu_to_be32(from->di_ctime.t_sec); + to->di_ctime.t_nsec = cpu_to_be32(from->di_ctime.t_nsec); + to->di_size = cpu_to_be64(from->di_size); + to->di_nblocks = cpu_to_be64(from->di_nblocks); + to->di_extsize = cpu_to_be32(from->di_extsize); + to->di_nextents = cpu_to_be32(from->di_nextents); + to->di_anextents = cpu_to_be16(from->di_anextents); + to->di_forkoff = from->di_forkoff; + to->di_aformat = from->di_aformat; + to->di_dmevmask = cpu_to_be32(from->di_dmevmask); + to->di_dmstate = cpu_to_be16(from->di_dmstate); + to->di_flags = cpu_to_be16(from->di_flags); + to->di_gen = cpu_to_be32(from->di_gen); } STATIC uint @@ -829,7 +823,7 @@ uint xfs_ip2xflags( xfs_inode_t *ip) { - xfs_dinode_core_t *dic = &ip->i_d; + xfs_icdinode_t *dic = &ip->i_d; return _xfs_dic2xflags(dic->di_flags) | (XFS_CFORK_Q(dic) ? XFS_XFLAG_HASATTR : 0); @@ -839,7 +833,7 @@ uint xfs_dic2xflags( xfs_dinode_core_t *dic) { - return _xfs_dic2xflags(INT_GET(dic->di_flags, ARCH_CONVERT)) | + return _xfs_dic2xflags(be16_to_cpu(dic->di_flags)) | (XFS_CFORK_Q_DISK(dic) ? XFS_XFLAG_HASATTR : 0); } @@ -870,6 +864,7 @@ xfs_iread( ip = kmem_zone_zalloc(xfs_inode_zone, KM_SLEEP); ip->i_ino = ino; ip->i_mount = mp; + atomic_set(&ip->i_iocount, 0); spin_lock_init(&ip->i_flags_lock); /* @@ -889,6 +884,9 @@ xfs_iread( * Initialize inode's trace buffers. * Do this before xfs_iformat in case it adds entries. */ +#ifdef XFS_VNODE_TRACE + ip->i_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP); +#endif #ifdef XFS_BMAP_TRACE ip->i_xtrace = ktrace_alloc(XFS_BMAP_KTRACE_SIZE, KM_SLEEP); #endif @@ -909,14 +907,14 @@ xfs_iread( * If we got something that isn't an inode it means someone * (nfs or dmi) has a stale handle. */ - if (INT_GET(dip->di_core.di_magic, ARCH_CONVERT) != XFS_DINODE_MAGIC) { + if (be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC) { kmem_zone_free(xfs_inode_zone, ip); xfs_trans_brelse(tp, bp); #ifdef DEBUG xfs_fs_cmn_err(CE_ALERT, mp, "xfs_iread: " "dip->di_core.di_magic (0x%x) != " "XFS_DINODE_MAGIC (0x%x)", - INT_GET(dip->di_core.di_magic, ARCH_CONVERT), + be16_to_cpu(dip->di_core.di_magic), XFS_DINODE_MAGIC); #endif /* DEBUG */ return XFS_ERROR(EINVAL); @@ -930,8 +928,7 @@ xfs_iread( * Otherwise, just get the truly permanent information. */ if (dip->di_core.di_mode) { - xfs_xlate_dinode_core((xfs_caddr_t)&dip->di_core, - &(ip->i_d), 1); + xfs_dinode_from_disk(&ip->i_d, &dip->di_core); error = xfs_iformat(ip, dip); if (error) { kmem_zone_free(xfs_inode_zone, ip); @@ -944,10 +941,10 @@ xfs_iread( return error; } } else { - ip->i_d.di_magic = INT_GET(dip->di_core.di_magic, ARCH_CONVERT); - ip->i_d.di_version = INT_GET(dip->di_core.di_version, ARCH_CONVERT); - ip->i_d.di_gen = INT_GET(dip->di_core.di_gen, ARCH_CONVERT); - ip->i_d.di_flushiter = INT_GET(dip->di_core.di_flushiter, ARCH_CONVERT); + ip->i_d.di_magic = be16_to_cpu(dip->di_core.di_magic); + ip->i_d.di_version = dip->di_core.di_version; + ip->i_d.di_gen = be32_to_cpu(dip->di_core.di_gen); + ip->i_d.di_flushiter = be16_to_cpu(dip->di_core.di_flushiter); /* * Make sure to pull in the mode here as well in * case the inode is released without being used. @@ -1048,7 +1045,7 @@ xfs_iread_extents( ifp->if_flags &= ~XFS_IFEXTENTS; return error; } - xfs_validate_extents(ifp, nextents, 0, XFS_EXTFMT_INODE(ip)); + xfs_validate_extents(ifp, nextents, XFS_EXTFMT_INODE(ip)); return 0; } @@ -1161,7 +1158,7 @@ xfs_ialloc( if ((prid != 0) && (ip->i_d.di_version == XFS_DINODE_VERSION_1)) xfs_bump_ino_vers2(tp, ip); - if (pip && XFS_INHERIT_GID(pip, vp->v_vfsp)) { + if (pip && XFS_INHERIT_GID(pip)) { ip->i_d.di_gid = pip->i_d.di_gid; if ((pip->i_d.di_mode & S_ISGID) && (mode & S_IFMT) == S_IFDIR) { ip->i_d.di_mode |= S_ISGID; @@ -1275,7 +1272,7 @@ xfs_ialloc( xfs_trans_log_inode(tp, ip, flags); /* now that we have an i_mode we can setup inode ops and unlock */ - bhv_vfs_init_vnode(XFS_MTOVFS(tp->t_mountp), vp, XFS_ITOBHV(ip), 1); + xfs_initialize_vnode(tp->t_mountp, vp, ip); *ipp = ip; return 0; @@ -1462,7 +1459,7 @@ xfs_itruncate_start( mp = ip->i_mount; vp = XFS_ITOV(ip); - vn_iowait(vp); /* wait for the completion of any pending DIOs */ + vn_iowait(ip); /* wait for the completion of any pending DIOs */ /* * Call toss_pages or flushinval_pages to get rid of pages @@ -1497,9 +1494,11 @@ xfs_itruncate_start( last_byte); if (last_byte > toss_start) { if (flags & XFS_ITRUNC_DEFINITE) { - bhv_vop_toss_pages(vp, toss_start, -1, FI_REMAPF_LOCKED); + xfs_tosspages(ip, toss_start, + -1, FI_REMAPF_LOCKED); } else { - error = bhv_vop_flushinval_pages(vp, toss_start, -1, FI_REMAPF_LOCKED); + error = xfs_flushinval_pages(ip, toss_start, + -1, FI_REMAPF_LOCKED); } } @@ -1932,9 +1931,9 @@ xfs_iunlink( */ error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, agdaddr, XFS_FSS_TO_BB(mp, 1), 0, &agibp); - if (error) { + if (error) return error; - } + /* * Validate the magic number of the agi block. */ @@ -1958,6 +1957,24 @@ xfs_iunlink( ASSERT(agi->agi_unlinked[bucket_index]); ASSERT(be32_to_cpu(agi->agi_unlinked[bucket_index]) != agino); + error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0); + if (error) + return error; + + /* + * Clear the on-disk di_nlink. This is to prevent xfs_bulkstat + * from picking up this inode when it is reclaimed (its incore state + * initialzed but not flushed to disk yet). The in-core di_nlink is + * already cleared in xfs_droplink() and a corresponding transaction + * logged. The hack here just synchronizes the in-core to on-disk + * di_nlink value in advance before the actual inode sync to disk. + * This is OK because the inode is already unlinked and would never + * change its di_nlink again for this inode generation. + * This is a temporary hack that would require a proper fix + * in the future. + */ + dip->di_core.di_nlink = 0; + if (be32_to_cpu(agi->agi_unlinked[bucket_index]) != NULLAGINO) { /* * There is already another inode in the bucket we need @@ -1965,12 +1982,7 @@ xfs_iunlink( * Here we put the head pointer into our next pointer, * and then we fall through to point the head at us. */ - error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0, 0); - if (error) { - return error; - } - ASSERT(INT_GET(dip->di_next_unlinked, ARCH_CONVERT) == NULLAGINO); - ASSERT(dip->di_next_unlinked); + ASSERT(be32_to_cpu(dip->di_next_unlinked) == NULLAGINO); /* both on-disk, don't endian flip twice */ dip->di_next_unlinked = agi->agi_unlinked[bucket_index]; offset = ip->i_boffset + @@ -2081,10 +2093,10 @@ xfs_iunlink_remove( error, mp->m_fsname); return error; } - next_agino = INT_GET(dip->di_next_unlinked, ARCH_CONVERT); + next_agino = be32_to_cpu(dip->di_next_unlinked); ASSERT(next_agino != 0); if (next_agino != NULLAGINO) { - INT_SET(dip->di_next_unlinked, ARCH_CONVERT, NULLAGINO); + dip->di_next_unlinked = cpu_to_be32(NULLAGINO); offset = ip->i_boffset + offsetof(xfs_dinode_t, di_next_unlinked); xfs_trans_inode_buf(tp, ibp); @@ -2128,7 +2140,7 @@ xfs_iunlink_remove( error, mp->m_fsname); return error; } - next_agino = INT_GET(last_dip->di_next_unlinked, ARCH_CONVERT); + next_agino = be32_to_cpu(last_dip->di_next_unlinked); ASSERT(next_agino != NULLAGINO); ASSERT(next_agino != 0); } @@ -2143,11 +2155,11 @@ xfs_iunlink_remove( error, mp->m_fsname); return error; } - next_agino = INT_GET(dip->di_next_unlinked, ARCH_CONVERT); + next_agino = be32_to_cpu(dip->di_next_unlinked); ASSERT(next_agino != 0); ASSERT(next_agino != agino); if (next_agino != NULLAGINO) { - INT_SET(dip->di_next_unlinked, ARCH_CONVERT, NULLAGINO); + dip->di_next_unlinked = cpu_to_be32(NULLAGINO); offset = ip->i_boffset + offsetof(xfs_dinode_t, di_next_unlinked); xfs_trans_inode_buf(tp, ibp); @@ -2160,7 +2172,7 @@ xfs_iunlink_remove( /* * Point the previous inode on the list to the next inode. */ - INT_SET(last_dip->di_next_unlinked, ARCH_CONVERT, next_agino); + last_dip->di_next_unlinked = cpu_to_be32(next_agino); ASSERT(next_agino != 0); offset = last_offset + offsetof(xfs_dinode_t, di_next_unlinked); xfs_trans_inode_buf(tp, last_ibp); @@ -2191,10 +2203,10 @@ xfs_ifree_cluster( int i, j, found, pre_flushed; xfs_daddr_t blkno; xfs_buf_t *bp; - xfs_ihash_t *ih; xfs_inode_t *ip, **ip_found; xfs_inode_log_item_t *iip; xfs_log_item_t *lip; + xfs_perag_t *pag = xfs_get_perag(mp, inum); SPLDECL(s); if (mp->m_sb.sb_blocksize >= XFS_INODE_CLUSTER_SIZE(mp)) { @@ -2229,23 +2241,20 @@ xfs_ifree_cluster( */ found = 0; for (i = 0; i < ninodes; i++) { - ih = XFS_IHASH(mp, inum + i); - read_lock(&ih->ih_lock); - for (ip = ih->ih_next; ip != NULL; ip = ip->i_next) { - if (ip->i_ino == inum + i) - break; - } + read_lock(&pag->pag_ici_lock); + ip = radix_tree_lookup(&pag->pag_ici_root, + XFS_INO_TO_AGINO(mp, (inum + i))); /* Inode not in memory or we found it already, * nothing to do */ if (!ip || xfs_iflags_test(ip, XFS_ISTALE)) { - read_unlock(&ih->ih_lock); + read_unlock(&pag->pag_ici_lock); continue; } if (xfs_inode_clean(ip)) { - read_unlock(&ih->ih_lock); + read_unlock(&pag->pag_ici_lock); continue; } @@ -2268,7 +2277,7 @@ xfs_ifree_cluster( ip_found[found++] = ip; } } - read_unlock(&ih->ih_lock); + read_unlock(&pag->pag_ici_lock); continue; } @@ -2286,8 +2295,7 @@ xfs_ifree_cluster( xfs_iunlock(ip, XFS_ILOCK_EXCL); } } - - read_unlock(&ih->ih_lock); + read_unlock(&pag->pag_ici_lock); } bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno, @@ -2342,6 +2350,7 @@ xfs_ifree_cluster( } kmem_free(ip_found, ninodes * sizeof(xfs_inode_t *)); + xfs_put_perag(mp, pag); } /* @@ -2737,6 +2746,10 @@ xfs_idestroy( mrfree(&ip->i_lock); mrfree(&ip->i_iolock); freesema(&ip->i_flock); + +#ifdef XFS_VNODE_TRACE + ktrace_free(ip->i_trace); +#endif #ifdef XFS_BMAP_TRACE ktrace_free(ip->i_xtrace); #endif @@ -2887,12 +2900,10 @@ xfs_iunpin_wait( int xfs_iextents_copy( xfs_inode_t *ip, - xfs_bmbt_rec_t *buffer, + xfs_bmbt_rec_t *dp, int whichfork) { int copied; - xfs_bmbt_rec_t *dest_ep; - xfs_bmbt_rec_t *ep; int i; xfs_ifork_t *ifp; int nrecs; @@ -2912,10 +2923,9 @@ xfs_iextents_copy( * the delayed ones. There must be at least one * non-delayed extent. */ - dest_ep = buffer; copied = 0; for (i = 0; i < nrecs; i++) { - ep = xfs_iext_get_ext(ifp, i); + xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i); start_block = xfs_bmbt_get_startblock(ep); if (ISNULLSTARTBLOCK(start_block)) { /* @@ -2925,15 +2935,13 @@ xfs_iextents_copy( } /* Translate to on disk format */ - put_unaligned(INT_GET(ep->l0, ARCH_CONVERT), - (__uint64_t*)&dest_ep->l0); - put_unaligned(INT_GET(ep->l1, ARCH_CONVERT), - (__uint64_t*)&dest_ep->l1); - dest_ep++; + put_unaligned(cpu_to_be64(ep->l0), &dp->l0); + put_unaligned(cpu_to_be64(ep->l1), &dp->l1); + dp++; copied++; } ASSERT(copied != 0); - xfs_validate_extents(ifp, copied, 1, XFS_EXTFMT_INODE(ip)); + xfs_validate_extents(ifp, copied, XFS_EXTFMT_INODE(ip)); return (copied * (uint)sizeof(xfs_bmbt_rec_t)); } @@ -3024,7 +3032,7 @@ xfs_iflush_fork( case XFS_DINODE_FMT_DEV: if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) { ASSERT(whichfork == XFS_DATA_FORK); - INT_SET(dip->di_u.di_dev, ARCH_CONVERT, ip->i_df.if_u2.if_rdev); + dip->di_u.di_dev = cpu_to_be32(ip->i_df.if_u2.if_rdev); } break; @@ -3064,12 +3072,11 @@ xfs_iflush( xfs_mount_t *mp; int error; /* REFERENCED */ - xfs_chash_t *ch; xfs_inode_t *iq; int clcount; /* count of inodes clustered */ int bufwasdelwri; + struct hlist_node *entry; enum { INT_DELWRI = (1 << 0), INT_ASYNC = (1 << 1) }; - SPLDECL(s); XFS_STATS_INC(xs_iflush_count); @@ -3183,14 +3190,14 @@ xfs_iflush( * inode clustering: * see if other inodes can be gathered into this write */ - - ip->i_chash->chl_buf = bp; - - ch = XFS_CHASH(mp, ip->i_blkno); - s = mutex_spinlock(&ch->ch_lock); + spin_lock(&ip->i_cluster->icl_lock); + ip->i_cluster->icl_buf = bp; clcount = 0; - for (iq = ip->i_cnext; iq != ip; iq = iq->i_cnext) { + hlist_for_each_entry(iq, entry, &ip->i_cluster->icl_inodes, i_cnode) { + if (iq == ip) + continue; + /* * Do an un-protected check to see if the inode is dirty and * is a candidate for flushing. These checks will be repeated @@ -3241,7 +3248,7 @@ xfs_iflush( xfs_iunlock(iq, XFS_ILOCK_SHARED); } } - mutex_spinunlock(&ch->ch_lock, s); + spin_unlock(&ip->i_cluster->icl_lock); if (clcount) { XFS_STATS_INC(xs_icluster_flushcnt); @@ -3278,7 +3285,7 @@ cluster_corrupt_out: /* Corruption detected in the clustering loop. Invalidate the * inode buffer and shut down the filesystem. */ - mutex_spinunlock(&ch->ch_lock, s); + spin_unlock(&ip->i_cluster->icl_lock); /* * Clean up the buffer. If it was B_DELWRI, just release it -- @@ -3373,11 +3380,11 @@ xfs_iflush_int( */ xfs_synchronize_atime(ip); - if (XFS_TEST_ERROR(INT_GET(dip->di_core.di_magic,ARCH_CONVERT) != XFS_DINODE_MAGIC, + if (XFS_TEST_ERROR(be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC, mp, XFS_ERRTAG_IFLUSH_1, XFS_RANDOM_IFLUSH_1)) { xfs_cmn_err(XFS_PTAG_IFLUSH, CE_ALERT, mp, "xfs_iflush: Bad inode %Lu magic number 0x%x, ptr 0x%p", - ip->i_ino, (int) INT_GET(dip->di_core.di_magic, ARCH_CONVERT), dip); + ip->i_ino, be16_to_cpu(dip->di_core.di_magic), dip); goto corrupt_out; } if (XFS_TEST_ERROR(ip->i_d.di_magic != XFS_DINODE_MAGIC, @@ -3440,7 +3447,7 @@ xfs_iflush_int( * because if the inode is dirty at all the core must * be. */ - xfs_xlate_dinode_core((xfs_caddr_t)&(dip->di_core), &(ip->i_d), -1); + xfs_dinode_to_disk(&dip->di_core, &ip->i_d); /* Wrap, we never let the log put out DI_MAX_FLUSH */ if (ip->i_d.di_flushiter == DI_MAX_FLUSH) @@ -3460,7 +3467,7 @@ xfs_iflush_int( * Convert it back. */ ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1); - INT_SET(dip->di_core.di_onlink, ARCH_CONVERT, ip->i_d.di_nlink); + dip->di_core.di_onlink = cpu_to_be16(ip->i_d.di_nlink); } else { /* * The superblock version has already been bumped, @@ -3468,7 +3475,7 @@ xfs_iflush_int( * format permanent. */ ip->i_d.di_version = XFS_DINODE_VERSION_2; - INT_SET(dip->di_core.di_version, ARCH_CONVERT, XFS_DINODE_VERSION_2); + dip->di_core.di_version = XFS_DINODE_VERSION_2; ip->i_d.di_onlink = 0; dip->di_core.di_onlink = 0; memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); @@ -3711,7 +3718,7 @@ xfs_ilock_trace(xfs_inode_t *ip, int lock, unsigned int lockflags, inst_t *ra) /* * Return a pointer to the extent record at file index idx. */ -xfs_bmbt_rec_t * +xfs_bmbt_rec_host_t * xfs_iext_get_ext( xfs_ifork_t *ifp, /* inode fork pointer */ xfs_extnum_t idx) /* index of target extent */ @@ -3744,15 +3751,12 @@ xfs_iext_insert( xfs_extnum_t count, /* number of inserted items */ xfs_bmbt_irec_t *new) /* items to insert */ { - xfs_bmbt_rec_t *ep; /* extent record pointer */ xfs_extnum_t i; /* extent record index */ ASSERT(ifp->if_flags & XFS_IFEXTENTS); xfs_iext_add(ifp, idx, count); - for (i = idx; i < idx + count; i++, new++) { - ep = xfs_iext_get_ext(ifp, i); - xfs_bmbt_set_all(ep, new); - } + for (i = idx; i < idx + count; i++, new++) + xfs_bmbt_set_all(xfs_iext_get_ext(ifp, i), new); } /* @@ -4203,7 +4207,7 @@ xfs_iext_realloc_direct( rnew_size = xfs_iroundup(new_size); } if (rnew_size != ifp->if_real_bytes) { - ifp->if_u1.if_extents = (xfs_bmbt_rec_t *) + ifp->if_u1.if_extents = kmem_realloc(ifp->if_u1.if_extents, rnew_size, ifp->if_real_bytes, @@ -4266,8 +4270,7 @@ xfs_iext_inline_to_direct( xfs_ifork_t *ifp, /* inode fork pointer */ int new_size) /* number of extents in file */ { - ifp->if_u1.if_extents = (xfs_bmbt_rec_t *) - kmem_alloc(new_size, KM_SLEEP); + ifp->if_u1.if_extents = kmem_alloc(new_size, KM_SLEEP); memset(ifp->if_u1.if_extents, 0, new_size); if (ifp->if_bytes) { memcpy(ifp->if_u1.if_extents, ifp->if_u2.if_inline_ext, @@ -4310,7 +4313,7 @@ void xfs_iext_indirect_to_direct( xfs_ifork_t *ifp) /* inode fork pointer */ { - xfs_bmbt_rec_t *ep; /* extent record pointer */ + xfs_bmbt_rec_host_t *ep; /* extent record pointer */ xfs_extnum_t nextents; /* number of extents in file */ int size; /* size of file extents */ @@ -4362,15 +4365,15 @@ xfs_iext_destroy( /* * Return a pointer to the extent record for file system block bno. */ -xfs_bmbt_rec_t * /* pointer to found extent record */ +xfs_bmbt_rec_host_t * /* pointer to found extent record */ xfs_iext_bno_to_ext( xfs_ifork_t *ifp, /* inode fork pointer */ xfs_fileoff_t bno, /* block number to search for */ xfs_extnum_t *idxp) /* index of target extent */ { - xfs_bmbt_rec_t *base; /* pointer to first extent */ + xfs_bmbt_rec_host_t *base; /* pointer to first extent */ xfs_filblks_t blockcount = 0; /* number of blocks in extent */ - xfs_bmbt_rec_t *ep = NULL; /* pointer to target extent */ + xfs_bmbt_rec_host_t *ep = NULL; /* pointer to target extent */ xfs_ext_irec_t *erp = NULL; /* indirection array pointer */ int high; /* upper boundary in search */ xfs_extnum_t idx = 0; /* index of target extent */ @@ -4545,8 +4548,7 @@ xfs_iext_irec_init( kmem_alloc(sizeof(xfs_ext_irec_t), KM_SLEEP); if (nextents == 0) { - ifp->if_u1.if_extents = (xfs_bmbt_rec_t *) - kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP); + ifp->if_u1.if_extents = kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP); } else if (!ifp->if_real_bytes) { xfs_iext_inline_to_direct(ifp, XFS_IEXT_BUFSZ); } else if (ifp->if_real_bytes < XFS_IEXT_BUFSZ) { @@ -4594,8 +4596,7 @@ xfs_iext_irec_new( /* Initialize new extent record */ erp = ifp->if_u1.if_ext_irec; - erp[erp_idx].er_extbuf = (xfs_bmbt_rec_t *) - kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP); + erp[erp_idx].er_extbuf = kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP); ifp->if_real_bytes = nlists * XFS_IEXT_BUFSZ; memset(erp[erp_idx].er_extbuf, 0, XFS_IEXT_BUFSZ); erp[erp_idx].er_extcount = 0; @@ -4727,7 +4728,7 @@ void xfs_iext_irec_compact_full( xfs_ifork_t *ifp) /* inode fork pointer */ { - xfs_bmbt_rec_t *ep, *ep_next; /* extent record pointers */ + xfs_bmbt_rec_host_t *ep, *ep_next; /* extent record pointers */ xfs_ext_irec_t *erp, *erp_next; /* extent irec pointers */ int erp_idx = 0; /* extent irec index */ int ext_avail; /* empty entries in ex list */ diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 012dfd4a958..e5aff929cc6 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -18,6 +18,10 @@ #ifndef __XFS_INODE_H__ #define __XFS_INODE_H__ +struct xfs_dinode; +struct xfs_dinode_core; + + /* * Fork identifiers. */ @@ -44,7 +48,7 @@ * it is possible that a third level of indirection may be required. */ typedef struct xfs_ext_irec { - xfs_bmbt_rec_t *er_extbuf; /* block of extent records */ + xfs_bmbt_rec_host_t *er_extbuf; /* block of extent records */ xfs_extnum_t er_extoff; /* extent offset in file */ xfs_extnum_t er_extcount; /* number of extents in page/block */ } xfs_ext_irec_t; @@ -65,12 +69,12 @@ typedef struct xfs_ifork { unsigned char if_ext_max; /* max # of extent records */ xfs_extnum_t if_lastex; /* last if_extents used */ union { - xfs_bmbt_rec_t *if_extents; /* linear map file exts */ + xfs_bmbt_rec_host_t *if_extents;/* linear map file exts */ xfs_ext_irec_t *if_ext_irec; /* irec map file exts */ char *if_data; /* inline file data */ } if_u1; union { - xfs_bmbt_rec_t if_inline_ext[XFS_INLINE_EXTS]; + xfs_bmbt_rec_host_t if_inline_ext[XFS_INLINE_EXTS]; /* very small file extents */ char if_inline_data[XFS_INLINE_DATA]; /* very small file data */ @@ -102,7 +106,6 @@ typedef struct xfs_ifork { #ifdef __KERNEL__ struct bhv_desc; -struct bhv_vnode; struct cred; struct ktrace; struct xfs_buf; @@ -168,41 +171,18 @@ typedef struct xfs_iocore { extern void xfs_iocore_inode_init(struct xfs_inode *); extern void xfs_iocore_inode_reinit(struct xfs_inode *); - -/* - * This is the type used in the xfs inode hash table. - * An array of these is allocated for each mounted - * file system to hash the inodes for that file system. - */ -typedef struct xfs_ihash { - struct xfs_inode *ih_next; - rwlock_t ih_lock; - uint ih_version; -} xfs_ihash_t; - -#define XFS_IHASH(mp,ino) ((mp)->m_ihash + (((uint)(ino)) % (mp)->m_ihsize)) - /* - * This is the xfs inode cluster hash. This hash is used by xfs_iflush to - * find inodes that share a cluster and can be flushed to disk at the same - * time. + * This is the xfs inode cluster structure. This structure is used by + * xfs_iflush to find inodes that share a cluster and can be flushed to disk at + * the same time. */ -typedef struct xfs_chashlist { - struct xfs_chashlist *chl_next; - struct xfs_chashlist *chl_prev; - struct xfs_inode *chl_ip; - xfs_daddr_t chl_blkno; /* starting block number of +typedef struct xfs_icluster { + struct hlist_head icl_inodes; /* list of inodes on cluster */ + xfs_daddr_t icl_blkno; /* starting block number of * the cluster */ - struct xfs_buf *chl_buf; /* the inode buffer */ -} xfs_chashlist_t; - -typedef struct xfs_chash { - xfs_chashlist_t *ch_list; - lock_t ch_lock; -} xfs_chash_t; - -#define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize)) - + struct xfs_buf *icl_buf; /* the inode buffer */ + lock_t icl_lock; /* inode list lock */ +} xfs_icluster_t; /* * This is the xfs in-core inode structure. @@ -227,25 +207,56 @@ typedef struct xfs_chash { * chain off the mount structure by xfs_sync calls. */ +typedef struct xfs_ictimestamp { + __int32_t t_sec; /* timestamp seconds */ + __int32_t t_nsec; /* timestamp nanoseconds */ +} xfs_ictimestamp_t; + +/* + * NOTE: This structure must be kept identical to struct xfs_dinode_core + * in xfs_dinode.h except for the endianess annotations. + */ +typedef struct xfs_icdinode { + __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */ + __uint16_t di_mode; /* mode and type of file */ + __int8_t di_version; /* inode version */ + __int8_t di_format; /* format of di_c data */ + __uint16_t di_onlink; /* old number of links to file */ + __uint32_t di_uid; /* owner's user id */ + __uint32_t di_gid; /* owner's group id */ + __uint32_t di_nlink; /* number of links to file */ + __uint16_t di_projid; /* owner's project id */ + __uint8_t di_pad[8]; /* unused, zeroed space */ + __uint16_t di_flushiter; /* incremented on flush */ + xfs_ictimestamp_t di_atime; /* time last accessed */ + xfs_ictimestamp_t di_mtime; /* time last modified */ + xfs_ictimestamp_t di_ctime; /* time created/inode modified */ + xfs_fsize_t di_size; /* number of bytes in file */ + xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */ + xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ + xfs_extnum_t di_nextents; /* number of extents in data fork */ + xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ + __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ + __int8_t di_aformat; /* format of attr fork's data */ + __uint32_t di_dmevmask; /* DMIG event mask */ + __uint16_t di_dmstate; /* DMIG state info */ + __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ + __uint32_t di_gen; /* generation number */ +} xfs_icdinode_t; + typedef struct { - struct xfs_ihash *ip_hash; /* pointer to hash header */ - struct xfs_inode *ip_next; /* inode hash link forw */ struct xfs_inode *ip_mnext; /* next inode in mount list */ struct xfs_inode *ip_mprev; /* ptr to prev inode */ - struct xfs_inode **ip_prevp; /* ptr to prev i_next */ struct xfs_mount *ip_mount; /* fs mount struct ptr */ } xfs_iptr_t; typedef struct xfs_inode { /* Inode linking and identification information. */ - struct xfs_ihash *i_hash; /* pointer to hash header */ - struct xfs_inode *i_next; /* inode hash link forw */ struct xfs_inode *i_mnext; /* next inode in mount list */ struct xfs_inode *i_mprev; /* ptr to prev inode */ - struct xfs_inode **i_prevp; /* ptr to prev i_next */ struct xfs_mount *i_mount; /* fs mount struct ptr */ struct list_head i_reclaim; /* reclaim list */ - struct bhv_desc i_bhv_desc; /* inode behavior descriptor*/ + bhv_vnode_t *i_vnode; /* vnode backpointer */ struct xfs_dquot *i_udquot; /* user dquot */ struct xfs_dquot *i_gdquot; /* group dquot */ @@ -282,13 +293,16 @@ typedef struct xfs_inode { unsigned int i_gen; /* generation count */ unsigned int i_delayed_blks; /* count of delay alloc blks */ - xfs_dinode_core_t i_d; /* most of ondisk inode */ - xfs_chashlist_t *i_chash; /* cluster hash list header */ - struct xfs_inode *i_cnext; /* cluster hash link forward */ - struct xfs_inode *i_cprev; /* cluster hash link backward */ + xfs_icdinode_t i_d; /* most of ondisk inode */ + xfs_icluster_t *i_cluster; /* cluster list header */ + struct hlist_node i_cnode; /* cluster link node */ xfs_fsize_t i_size; /* in-memory size */ + atomic_t i_iocount; /* outstanding I/O count */ /* Trace buffers per inode. */ +#ifdef XFS_VNODE_TRACE + struct ktrace *i_trace; /* general inode trace */ +#endif #ifdef XFS_BMAP_TRACE struct ktrace *i_xtrace; /* inode extent list trace */ #endif @@ -349,6 +363,19 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) spin_unlock(&ip->i_flags_lock); return ret; } + +static inline int +xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags) +{ + int ret; + + spin_lock(&ip->i_flags_lock); + ret = ip->i_flags & flags; + if (ret) + ip->i_flags &= ~flags; + spin_unlock(&ip->i_flags_lock); + return ret; +} #endif /* __KERNEL__ */ @@ -380,6 +407,9 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) #define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */ #define XFS_INEW 0x0040 #define XFS_IFILESTREAM 0x0080 /* inode is in a filestream directory */ +#define XFS_IMODIFIED 0x0100 /* XFS inode state possibly differs */ + /* to the Linux inode state. */ +#define XFS_ITRUNCATED 0x0200 /* truncated down so flush-on-close */ /* * Flags for inode locking. @@ -454,20 +484,17 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) #define XFS_ITRUNC_DEFINITE 0x1 #define XFS_ITRUNC_MAYBE 0x2 -#define XFS_ITOV(ip) BHV_TO_VNODE(XFS_ITOBHV(ip)) -#define XFS_ITOV_NULL(ip) BHV_TO_VNODE_NULL(XFS_ITOBHV(ip)) -#define XFS_ITOBHV(ip) ((struct bhv_desc *)(&((ip)->i_bhv_desc))) -#define XFS_BHVTOI(bhvp) ((xfs_inode_t *)((char *)(bhvp) - \ - (char *)&(((xfs_inode_t *)0)->i_bhv_desc))) -#define BHV_IS_XFS(bdp) (BHV_OPS(bdp) == &xfs_vnodeops) +#define XFS_ITOV(ip) ((ip)->i_vnode) +#define XFS_ITOV_NULL(ip) ((ip)->i_vnode) /* * For multiple groups support: if S_ISGID bit is set in the parent * directory, group of new file is set to that of the parent, and * new subdirectory gets S_ISGID bit from parent. */ -#define XFS_INHERIT_GID(pip, vfsp) \ - (((vfsp)->vfs_flag & VFS_GRPID) || ((pip)->i_d.di_mode & S_ISGID)) +#define XFS_INHERIT_GID(pip) \ + (((pip)->i_mount->m_flags & XFS_MOUNT_GRPID) || \ + ((pip)->i_d.di_mode & S_ISGID)) /* * Flags for xfs_iget() @@ -480,11 +507,9 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) */ void xfs_ihash_init(struct xfs_mount *); void xfs_ihash_free(struct xfs_mount *); -void xfs_chash_init(struct xfs_mount *); -void xfs_chash_free(struct xfs_mount *); xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t, struct xfs_trans *); -void xfs_inode_lock_init(xfs_inode_t *, struct bhv_vnode *); +void xfs_inode_lock_init(xfs_inode_t *, bhv_vnode_t *); int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, uint, uint, xfs_inode_t **, xfs_daddr_t); void xfs_iput(xfs_inode_t *, uint); @@ -506,7 +531,7 @@ int xfs_finish_reclaim_all(struct xfs_mount *, int); * xfs_inode.c prototypes. */ int xfs_itobp(struct xfs_mount *, struct xfs_trans *, - xfs_inode_t *, xfs_dinode_t **, struct xfs_buf **, + xfs_inode_t *, struct xfs_dinode **, struct xfs_buf **, xfs_daddr_t, uint); int xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, xfs_inode_t **, xfs_daddr_t, uint); @@ -514,8 +539,11 @@ int xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int); int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, xfs_nlink_t, xfs_dev_t, struct cred *, xfs_prid_t, int, struct xfs_buf **, boolean_t *, xfs_inode_t **); -void xfs_xlate_dinode_core(xfs_caddr_t, struct xfs_dinode_core *, - int); +void xfs_dinode_from_disk(struct xfs_icdinode *, + struct xfs_dinode_core *); +void xfs_dinode_to_disk(struct xfs_dinode_core *, + struct xfs_icdinode *); + uint xfs_ip2xflags(struct xfs_inode *); uint xfs_dic2xflags(struct xfs_dinode_core *); int xfs_ifree(struct xfs_trans *, xfs_inode_t *, @@ -545,11 +573,9 @@ void xfs_ichgtime(xfs_inode_t *, int); xfs_fsize_t xfs_file_last_byte(xfs_inode_t *); void xfs_lock_inodes(xfs_inode_t **, int, int, uint); -xfs_inode_t *xfs_vtoi(struct bhv_vnode *vp); - void xfs_synchronize_atime(xfs_inode_t *); -xfs_bmbt_rec_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t); +xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t); void xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t, xfs_bmbt_irec_t *); void xfs_iext_add(xfs_ifork_t *, xfs_extnum_t, int); @@ -564,7 +590,7 @@ void xfs_iext_indirect_to_direct(xfs_ifork_t *); void xfs_iext_direct_to_inline(xfs_ifork_t *, xfs_extnum_t); void xfs_iext_inline_to_direct(xfs_ifork_t *, int); void xfs_iext_destroy(xfs_ifork_t *); -xfs_bmbt_rec_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *); +xfs_bmbt_rec_host_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *); xfs_ext_irec_t *xfs_iext_bno_to_irec(xfs_ifork_t *, xfs_fileoff_t, int *); xfs_ext_irec_t *xfs_iext_idx_to_irec(xfs_ifork_t *, xfs_extnum_t *, int *, int); void xfs_iext_irec_init(xfs_ifork_t *); @@ -589,7 +615,7 @@ void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); #define xfs_inobp_check(mp, bp) #endif /* DEBUG */ -extern struct kmem_zone *xfs_chashlist_zone; +extern struct kmem_zone *xfs_icluster_zone; extern struct kmem_zone *xfs_ifork_zone; extern struct kmem_zone *xfs_inode_zone; extern struct kmem_zone *xfs_ili_zone; diff --git a/fs/xfs/xfs_iocore.c b/fs/xfs/xfs_iocore.c index 81548ec72ba..b27b5d5be84 100644 --- a/fs/xfs/xfs_iocore.c +++ b/fs/xfs/xfs_iocore.c @@ -57,11 +57,11 @@ xfs_size_fn( STATIC int xfs_ioinit( - struct bhv_vfs *vfsp, + struct xfs_mount *mp, struct xfs_mount_args *mntargs, int flags) { - return xfs_mountfs(vfsp, XFS_VFSTOM(vfsp), flags); + return xfs_mountfs(mp, flags); } xfs_ioops_t xfs_iocore_xfs = { diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index bf57b75acb9..72786e356d5 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -135,14 +135,10 @@ xfs_imap_to_bmap( int flags) { xfs_mount_t *mp; - xfs_fsize_t nisize; int pbm; xfs_fsblock_t start_block; mp = io->io_mount; - nisize = XFS_SIZE(mp, io); - if (io->io_new_size > nisize) - nisize = io->io_new_size; for (pbm = 0; imaps && pbm < iomaps; imaps--, iomapp++, imap++, pbm++) { iomapp->iomap_offset = XFS_FSB_TO_B(mp, imap->br_startoff); @@ -169,10 +165,6 @@ xfs_imap_to_bmap( iomapp->iomap_flags |= IOMAP_UNWRITTEN; } - if ((iomapp->iomap_offset + iomapp->iomap_bsize) >= nisize) { - iomapp->iomap_flags |= IOMAP_EOF; - } - offset += iomapp->iomap_bsize - iomapp->iomap_delta; } return pbm; /* Return the number filled */ diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h index df441ee936b..f5c09887fe9 100644 --- a/fs/xfs/xfs_iomap.h +++ b/fs/xfs/xfs_iomap.h @@ -23,7 +23,6 @@ typedef enum { /* iomap_flags values */ IOMAP_READ = 0, /* mapping for a read */ - IOMAP_EOF = 0x01, /* mapping contains EOF */ IOMAP_HOLE = 0x02, /* mapping covers a hole */ IOMAP_DELAY = 0x04, /* mapping covers delalloc region */ IOMAP_REALTIME = 0x10, /* mapping on the realtime device */ diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 4c2454bcc71..9972992fd3c 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -57,7 +57,7 @@ xfs_bulkstat_one_iget( xfs_bstat_t *buf, /* return buffer */ int *stat) /* BULKSTAT_RV_... */ { - xfs_dinode_core_t *dic; /* dinode core info pointer */ + xfs_icdinode_t *dic; /* dinode core info pointer */ xfs_inode_t *ip; /* incore inode pointer */ bhv_vnode_t *vp; int error; @@ -151,37 +151,37 @@ xfs_bulkstat_one_dinode( * the new format. We don't change the version number so that we * can distinguish this from a real new format inode. */ - if (INT_GET(dic->di_version, ARCH_CONVERT) == XFS_DINODE_VERSION_1) { - buf->bs_nlink = INT_GET(dic->di_onlink, ARCH_CONVERT); + if (dic->di_version == XFS_DINODE_VERSION_1) { + buf->bs_nlink = be16_to_cpu(dic->di_onlink); buf->bs_projid = 0; } else { - buf->bs_nlink = INT_GET(dic->di_nlink, ARCH_CONVERT); - buf->bs_projid = INT_GET(dic->di_projid, ARCH_CONVERT); + buf->bs_nlink = be32_to_cpu(dic->di_nlink); + buf->bs_projid = be16_to_cpu(dic->di_projid); } buf->bs_ino = ino; - buf->bs_mode = INT_GET(dic->di_mode, ARCH_CONVERT); - buf->bs_uid = INT_GET(dic->di_uid, ARCH_CONVERT); - buf->bs_gid = INT_GET(dic->di_gid, ARCH_CONVERT); - buf->bs_size = INT_GET(dic->di_size, ARCH_CONVERT); - buf->bs_atime.tv_sec = INT_GET(dic->di_atime.t_sec, ARCH_CONVERT); - buf->bs_atime.tv_nsec = INT_GET(dic->di_atime.t_nsec, ARCH_CONVERT); - buf->bs_mtime.tv_sec = INT_GET(dic->di_mtime.t_sec, ARCH_CONVERT); - buf->bs_mtime.tv_nsec = INT_GET(dic->di_mtime.t_nsec, ARCH_CONVERT); - buf->bs_ctime.tv_sec = INT_GET(dic->di_ctime.t_sec, ARCH_CONVERT); - buf->bs_ctime.tv_nsec = INT_GET(dic->di_ctime.t_nsec, ARCH_CONVERT); + buf->bs_mode = be16_to_cpu(dic->di_mode); + buf->bs_uid = be32_to_cpu(dic->di_uid); + buf->bs_gid = be32_to_cpu(dic->di_gid); + buf->bs_size = be64_to_cpu(dic->di_size); + buf->bs_atime.tv_sec = be32_to_cpu(dic->di_atime.t_sec); + buf->bs_atime.tv_nsec = be32_to_cpu(dic->di_atime.t_nsec); + buf->bs_mtime.tv_sec = be32_to_cpu(dic->di_mtime.t_sec); + buf->bs_mtime.tv_nsec = be32_to_cpu(dic->di_mtime.t_nsec); + buf->bs_ctime.tv_sec = be32_to_cpu(dic->di_ctime.t_sec); + buf->bs_ctime.tv_nsec = be32_to_cpu(dic->di_ctime.t_nsec); buf->bs_xflags = xfs_dic2xflags(dic); - buf->bs_extsize = INT_GET(dic->di_extsize, ARCH_CONVERT) << mp->m_sb.sb_blocklog; - buf->bs_extents = INT_GET(dic->di_nextents, ARCH_CONVERT); - buf->bs_gen = INT_GET(dic->di_gen, ARCH_CONVERT); + buf->bs_extsize = be32_to_cpu(dic->di_extsize) << mp->m_sb.sb_blocklog; + buf->bs_extents = be32_to_cpu(dic->di_nextents); + buf->bs_gen = be32_to_cpu(dic->di_gen); memset(buf->bs_pad, 0, sizeof(buf->bs_pad)); - buf->bs_dmevmask = INT_GET(dic->di_dmevmask, ARCH_CONVERT); - buf->bs_dmstate = INT_GET(dic->di_dmstate, ARCH_CONVERT); - buf->bs_aextents = INT_GET(dic->di_anextents, ARCH_CONVERT); + buf->bs_dmevmask = be32_to_cpu(dic->di_dmevmask); + buf->bs_dmstate = be16_to_cpu(dic->di_dmstate); + buf->bs_aextents = be16_to_cpu(dic->di_anextents); - switch (INT_GET(dic->di_format, ARCH_CONVERT)) { + switch (dic->di_format) { case XFS_DINODE_FMT_DEV: - buf->bs_rdev = INT_GET(dip->di_u.di_dev, ARCH_CONVERT); + buf->bs_rdev = be32_to_cpu(dip->di_u.di_dev); buf->bs_blksize = BLKDEV_IOSIZE; buf->bs_blocks = 0; break; @@ -195,7 +195,7 @@ xfs_bulkstat_one_dinode( case XFS_DINODE_FMT_BTREE: buf->bs_rdev = 0; buf->bs_blksize = mp->m_sb.sb_blocksize; - buf->bs_blocks = INT_GET(dic->di_nblocks, ARCH_CONVERT); + buf->bs_blocks = be64_to_cpu(dic->di_nblocks); break; } @@ -290,16 +290,23 @@ xfs_bulkstat_use_dinode( return 1; dip = (xfs_dinode_t *) xfs_buf_offset(bp, clustidx << mp->m_sb.sb_inodelog); - if (INT_GET(dip->di_core.di_magic, ARCH_CONVERT) != XFS_DINODE_MAGIC || - !XFS_DINODE_GOOD_VERSION( - INT_GET(dip->di_core.di_version, ARCH_CONVERT))) + /* + * Check the buffer containing the on-disk inode for di_nlink == 0. + * This is to prevent xfs_bulkstat from picking up just reclaimed + * inodes that have their in-core state initialized but not flushed + * to disk yet. This is a temporary hack that would require a proper + * fix in the future. + */ + if (be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC || + !XFS_DINODE_GOOD_VERSION(dip->di_core.di_version) || + !dip->di_core.di_nlink) return 0; if (flags & BULKSTAT_FG_QUICK) { *dipp = dip; return 1; } /* BULKSTAT_FG_INLINE: if attr fork is local, or not there, use it */ - aformat = INT_GET(dip->di_core.di_aformat, ARCH_CONVERT); + aformat = dip->di_core.di_aformat; if ((XFS_CFORK_Q(&dip->di_core) == 0) || (aformat == XFS_DINODE_FMT_LOCAL) || (aformat == XFS_DINODE_FMT_EXTENTS && !dip->di_core.di_anextents)) { @@ -612,21 +619,25 @@ xfs_bulkstat( } } } + ino = XFS_AGINO_TO_INO(mp, agno, agino); + bno = XFS_AGB_TO_DADDR(mp, agno, agbno); /* * Skip if this inode is free. */ - if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) + if (XFS_INOBT_MASK(chunkidx) & irbp->ir_free) { + lastino = ino; continue; + } /* * Count used inodes as free so we can tell * when the chunk is used up. */ irbp->ir_freecount++; - ino = XFS_AGINO_TO_INO(mp, agno, agino); - bno = XFS_AGB_TO_DADDR(mp, agno, agbno); if (!xfs_bulkstat_use_dinode(mp, flags, bp, - clustidx, &dip)) + clustidx, &dip)) { + lastino = ino; continue; + } /* * If we need to do an iget, cannot hold bp. * Drop it, until starting the next cluster. @@ -687,8 +698,7 @@ xfs_bulkstat( if (end_of_ag) { agno++; agino = 0; - } else - agino = XFS_INO_TO_AGINO(mp, lastino); + } } else break; } diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 9bfb69e1e88..77c12715a7d 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -252,6 +252,29 @@ xlog_grant_add_space(struct log *log, int bytes) xlog_grant_add_space_reserve(log, bytes); } +static void +xlog_tic_reset_res(xlog_ticket_t *tic) +{ + tic->t_res_num = 0; + tic->t_res_arr_sum = 0; + tic->t_res_num_ophdrs = 0; +} + +static void +xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type) +{ + if (tic->t_res_num == XLOG_TIC_LEN_MAX) { + /* add to overflow and start again */ + tic->t_res_o_flow += tic->t_res_arr_sum; + tic->t_res_num = 0; + tic->t_res_arr_sum = 0; + } + + tic->t_res_arr[tic->t_res_num].r_len = len; + tic->t_res_arr[tic->t_res_num].r_type = type; + tic->t_res_arr_sum += len; + tic->t_res_num++; +} /* * NOTES: @@ -486,7 +509,7 @@ xfs_log_mount(xfs_mount_t *mp, cmn_err(CE_NOTE, "!Mounting filesystem \"%s\" in no-recovery mode. Filesystem will be inconsistent.", mp->m_fsname); - ASSERT(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY); + ASSERT(mp->m_flags & XFS_MOUNT_RDONLY); } mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks); @@ -496,16 +519,15 @@ xfs_log_mount(xfs_mount_t *mp, * just worked. */ if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) { - bhv_vfs_t *vfsp = XFS_MTOVFS(mp); - int error, readonly = (vfsp->vfs_flag & VFS_RDONLY); + int error, readonly = (mp->m_flags & XFS_MOUNT_RDONLY); if (readonly) - vfsp->vfs_flag &= ~VFS_RDONLY; + mp->m_flags &= ~XFS_MOUNT_RDONLY; error = xlog_recover(mp->m_log); if (readonly) - vfsp->vfs_flag |= VFS_RDONLY; + mp->m_flags |= XFS_MOUNT_RDONLY; if (error) { cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error); xlog_dealloc_log(mp->m_log); @@ -537,7 +559,7 @@ xfs_log_mount_finish(xfs_mount_t *mp, int mfsi_flags) error = xlog_recover_finish(mp->m_log, mfsi_flags); else { error = 0; - ASSERT(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY); + ASSERT(mp->m_flags & XFS_MOUNT_RDONLY); } return error; @@ -597,7 +619,7 @@ xfs_log_unmount_write(xfs_mount_t *mp) * Don't write out unmount record on read-only mounts. * Or, if we are doing a forced umount (typically because of IO errors). */ - if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return 0; xfs_log_force(mp, 0, XFS_LOG_FORCE|XFS_LOG_SYNC); @@ -949,6 +971,19 @@ xlog_iodone(xfs_buf_t *bp) l = iclog->ic_log; /* + * If the ordered flag has been removed by a lower + * layer, it means the underlyin device no longer supports + * barrier I/O. Warn loudly and turn off barriers. + */ + if ((l->l_mp->m_flags & XFS_MOUNT_BARRIER) && !XFS_BUF_ORDERED(bp)) { + l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER; + xfs_fs_cmn_err(CE_WARN, l->l_mp, + "xlog_iodone: Barriers are no longer supported" + " by device. Disabling barriers\n"); + xfs_buftrace("XLOG_IODONE BARRIERS OFF", bp); + } + + /* * Race to shutdown the filesystem if we see an error. */ if (XFS_TEST_ERROR((XFS_BUF_GETERROR(bp)), l->l_mp, @@ -1012,10 +1047,7 @@ xlog_bdstrat_cb(struct xfs_buf *bp) /* * Return size of each in-core log record buffer. * - * Low memory machines only get 2 16KB buffers. We don't want to waste - * memory here. However, all other machines get at least 2 32KB buffers. - * The number is hard coded because we don't care about the minimum - * memory size, just 32MB systems. + * All machines get 8 x 32KB buffers by default, unless tuned otherwise. * * If the filesystem blocksize is too large, we may need to choose a * larger size since the directory code currently logs entire blocks. @@ -1028,17 +1060,10 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, int size; int xhdrs; - if (mp->m_logbufs <= 0) { - if (xfs_physmem <= btoc(128*1024*1024)) { - log->l_iclog_bufs = XLOG_MIN_ICLOGS; - } else if (xfs_physmem <= btoc(400*1024*1024)) { - log->l_iclog_bufs = XLOG_MED_ICLOGS; - } else { /* 256K with 32K bufs */ - log->l_iclog_bufs = XLOG_MAX_ICLOGS; - } - } else { + if (mp->m_logbufs <= 0) + log->l_iclog_bufs = XLOG_MAX_ICLOGS; + else log->l_iclog_bufs = mp->m_logbufs; - } /* * Buffer size passed in from mount system call. @@ -1069,18 +1094,9 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, goto done; } - /* - * Special case machines that have less than 32MB of memory. - * All machines with more memory use 32KB buffers. - */ - if (xfs_physmem <= btoc(32*1024*1024)) { - /* Don't change; min configuration */ - log->l_iclog_size = XLOG_RECORD_BSIZE; /* 16k */ - log->l_iclog_size_log = XLOG_RECORD_BSHIFT; - } else { - log->l_iclog_size = XLOG_BIG_RECORD_BSIZE; /* 32k */ - log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT; - } + /* All machines use 32KB buffers by default. */ + log->l_iclog_size = XLOG_BIG_RECORD_BSIZE; + log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT; /* the default log size is 16k or 32k which is one header sector */ log->l_iclog_hsize = BBSIZE; @@ -1771,14 +1787,14 @@ xlog_write(xfs_mount_t * mp, len = 0; if (ticket->t_flags & XLOG_TIC_INITED) { /* acct for start rec of xact */ len += sizeof(xlog_op_header_t); - XLOG_TIC_ADD_OPHDR(ticket); + ticket->t_res_num_ophdrs++; } for (index = 0; index < nentries; index++) { len += sizeof(xlog_op_header_t); /* each region gets >= 1 */ - XLOG_TIC_ADD_OPHDR(ticket); + ticket->t_res_num_ophdrs++; len += reg[index].i_len; - XLOG_TIC_ADD_REGION(ticket, reg[index].i_len, reg[index].i_type); + xlog_tic_add_region(ticket, reg[index].i_len, reg[index].i_type); } contwr = *start_lsn = 0; @@ -1887,7 +1903,7 @@ xlog_write(xfs_mount_t * mp, len += sizeof(xlog_op_header_t); /* from splitting of region */ /* account for new log op header */ ticket->t_curr_res -= sizeof(xlog_op_header_t); - XLOG_TIC_ADD_OPHDR(ticket); + ticket->t_res_num_ophdrs++; } xlog_verify_dest_ptr(log, ptr); @@ -2385,7 +2401,7 @@ restart: */ if (log_offset == 0) { ticket->t_curr_res -= log->l_iclog_hsize; - XLOG_TIC_ADD_REGION(ticket, + xlog_tic_add_region(ticket, log->l_iclog_hsize, XLOG_REG_TYPE_LRHEADER); INT_SET(head->h_cycle, ARCH_CONVERT, log->l_curr_cycle); @@ -2573,7 +2589,7 @@ xlog_regrant_write_log_space(xlog_t *log, #endif tic->t_curr_res = tic->t_unit_res; - XLOG_TIC_RESET_RES(tic); + xlog_tic_reset_res(tic); if (tic->t_cnt > 0) return 0; @@ -2714,7 +2730,7 @@ xlog_regrant_reserve_log_space(xlog_t *log, s = GRANT_LOCK(log); xlog_grant_sub_space(log, ticket->t_curr_res); ticket->t_curr_res = ticket->t_unit_res; - XLOG_TIC_RESET_RES(ticket); + xlog_tic_reset_res(ticket); xlog_trace_loggrant(log, ticket, "xlog_regrant_reserve_log_space: sub current res"); xlog_verify_grant_head(log, 1); @@ -2731,7 +2747,7 @@ xlog_regrant_reserve_log_space(xlog_t *log, xlog_verify_grant_head(log, 0); GRANT_UNLOCK(log, s); ticket->t_curr_res = ticket->t_unit_res; - XLOG_TIC_RESET_RES(ticket); + xlog_tic_reset_res(ticket); } /* xlog_regrant_reserve_log_space */ @@ -3354,7 +3370,7 @@ xlog_ticket_get(xlog_t *log, tic->t_flags |= XLOG_TIC_PERM_RESERV; sv_init(&(tic->t_sema), SV_DEFAULT, "logtick"); - XLOG_TIC_RESET_RES(tic); + xlog_tic_reset_res(tic); return tic; } /* xlog_ticket_get */ diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 9bd3cdf11a8..752f964b369 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -30,17 +30,16 @@ struct xfs_mount; */ #define XLOG_MIN_ICLOGS 2 -#define XLOG_MED_ICLOGS 4 #define XLOG_MAX_ICLOGS 8 #define XLOG_HEADER_MAGIC_NUM 0xFEEDbabe /* Invalid cycle number */ #define XLOG_VERSION_1 1 #define XLOG_VERSION_2 2 /* Large IClogs, Log sunit */ #define XLOG_VERSION_OKBITS (XLOG_VERSION_1 | XLOG_VERSION_2) -#define XLOG_RECORD_BSIZE (16*1024) /* eventually 32k */ +#define XLOG_MIN_RECORD_BSIZE (16*1024) /* eventually 32k */ #define XLOG_BIG_RECORD_BSIZE (32*1024) /* 32k buffers */ #define XLOG_MAX_RECORD_BSIZE (256*1024) #define XLOG_HEADER_CYCLE_SIZE (32*1024) /* cycle data in header */ -#define XLOG_RECORD_BSHIFT 14 /* 16384 == 1 << 14 */ +#define XLOG_MIN_RECORD_BSHIFT 14 /* 16384 == 1 << 14 */ #define XLOG_BIG_RECORD_BSHIFT 15 /* 32k == 1 << 15 */ #define XLOG_MAX_RECORD_BSHIFT 18 /* 256k == 1 << 18 */ #define XLOG_BTOLSUNIT(log, b) (((b)+(log)->l_mp->m_sb.sb_logsunit-1) / \ @@ -250,22 +249,6 @@ typedef __uint32_t xlog_tid_t; /* Ticket reservation region accounting */ #define XLOG_TIC_LEN_MAX 15 -#define XLOG_TIC_RESET_RES(t) ((t)->t_res_num = \ - (t)->t_res_arr_sum = (t)->t_res_num_ophdrs = 0) -#define XLOG_TIC_ADD_OPHDR(t) ((t)->t_res_num_ophdrs++) -#define XLOG_TIC_ADD_REGION(t, len, type) \ - do { \ - if ((t)->t_res_num == XLOG_TIC_LEN_MAX) { \ - /* add to overflow and start again */ \ - (t)->t_res_o_flow += (t)->t_res_arr_sum; \ - (t)->t_res_num = 0; \ - (t)->t_res_arr_sum = 0; \ - } \ - (t)->t_res_arr[(t)->t_res_num].r_len = (len); \ - (t)->t_res_arr[(t)->t_res_num].r_type = (type); \ - (t)->t_res_arr_sum += (len); \ - (t)->t_res_num++; \ - } while (0) /* * Reservation region diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 8ae6e8e5f3d..851eca8a715 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2245,7 +2245,7 @@ xlog_recover_do_inode_trans( int error; int attr_index; uint fields; - xfs_dinode_core_t *dicp; + xfs_icdinode_t *dicp; int need_free = 0; if (pass == XLOG_RECOVER_PASS1) { @@ -2309,7 +2309,7 @@ xlog_recover_do_inode_trans( * Make sure the place we're flushing out to really looks * like an inode! */ - if (unlikely(INT_GET(dip->di_core.di_magic, ARCH_CONVERT) != XFS_DINODE_MAGIC)) { + if (unlikely(be16_to_cpu(dip->di_core.di_magic) != XFS_DINODE_MAGIC)) { xfs_buf_relse(bp); xfs_fs_cmn_err(CE_ALERT, mp, "xfs_inode_recover: Bad inode magic number, dino ptr = 0x%p, dino bp = 0x%p, ino = %Ld", @@ -2319,7 +2319,7 @@ xlog_recover_do_inode_trans( error = EFSCORRUPTED; goto error; } - dicp = (xfs_dinode_core_t*)(item->ri_buf[1].i_addr); + dicp = (xfs_icdinode_t *)(item->ri_buf[1].i_addr); if (unlikely(dicp->di_magic != XFS_DINODE_MAGIC)) { xfs_buf_relse(bp); xfs_fs_cmn_err(CE_ALERT, mp, @@ -2332,15 +2332,13 @@ xlog_recover_do_inode_trans( } /* Skip replay when the on disk inode is newer than the log one */ - if (dicp->di_flushiter < - INT_GET(dip->di_core.di_flushiter, ARCH_CONVERT)) { + if (dicp->di_flushiter < be16_to_cpu(dip->di_core.di_flushiter)) { /* * Deal with the wrap case, DI_MAX_FLUSH is less * than smaller numbers */ - if ((INT_GET(dip->di_core.di_flushiter, ARCH_CONVERT) - == DI_MAX_FLUSH) && - (dicp->di_flushiter < (DI_MAX_FLUSH>>1))) { + if (be16_to_cpu(dip->di_core.di_flushiter) == DI_MAX_FLUSH && + dicp->di_flushiter < (DI_MAX_FLUSH >> 1)) { /* do nothing */ } else { xfs_buf_relse(bp); @@ -2411,8 +2409,8 @@ xlog_recover_do_inode_trans( } /* The core is in in-core format */ - xfs_xlate_dinode_core((xfs_caddr_t)&dip->di_core, - (xfs_dinode_core_t*)item->ri_buf[1].i_addr, -1); + xfs_dinode_to_disk(&dip->di_core, + (xfs_icdinode_t *)item->ri_buf[1].i_addr); /* the rest is in on-disk format */ if (item->ri_buf[1].i_len > sizeof(xfs_dinode_core_t)) { @@ -2424,8 +2422,7 @@ xlog_recover_do_inode_trans( fields = in_f->ilf_fields; switch (fields & (XFS_ILOG_DEV | XFS_ILOG_UUID)) { case XFS_ILOG_DEV: - INT_SET(dip->di_u.di_dev, ARCH_CONVERT, in_f->ilf_u.ilfu_rdev); - + dip->di_u.di_dev = cpu_to_be32(in_f->ilf_u.ilfu_rdev); break; case XFS_ILOG_UUID: dip->di_u.di_muuid = in_f->ilf_u.ilfu_uuid; @@ -3234,8 +3231,8 @@ xlog_recover_process_iunlinks( ASSERT(ip->i_d.di_nlink == 0); /* setup for the next pass */ - agino = INT_GET(dip->di_next_unlinked, - ARCH_CONVERT); + agino = be32_to_cpu( + dip->di_next_unlinked); xfs_buf_relse(ibp); /* * Prevent any DMAPI event from @@ -3837,7 +3834,10 @@ xlog_do_recover( */ bp = xfs_getsb(log->l_mp, 0); XFS_BUF_UNDONE(bp); + ASSERT(!(XFS_BUF_ISWRITE(bp))); + ASSERT(!(XFS_BUF_ISDELAYWRITE(bp))); XFS_BUF_READ(bp); + XFS_BUF_UNASYNC(bp); xfsbdstrat(log->l_mp, bp); if ((error = xfs_iowait(bp))) { xfs_ioerror_alert("xlog_do_recover", @@ -3849,7 +3849,7 @@ xlog_do_recover( /* Convert superblock from on-disk format */ sbp = &log->l_mp->m_sb; - xfs_xlatesb(XFS_BUF_TO_SBP(bp), sbp, 1, XFS_SB_ALL_BITS); + xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(bp)); ASSERT(sbp->sb_magicnum == XFS_SB_MAGIC); ASSERT(XFS_SB_GOOD_VERSION(sbp)); xfs_buf_relse(bp); @@ -4027,7 +4027,7 @@ xlog_recover_check_summary( sbbp = xfs_getsb(mp, 0); #ifdef XFS_LOUD_RECOVERY sbp = &mp->m_sb; - xfs_xlatesb(XFS_BUF_TO_SBP(sbbp), sbp, 1, XFS_SB_ALL_BITS); + xfs_sb_from_disk(sbp, XFS_BUF_TO_SBP(sbbp)); cmn_err(CE_NOTE, "xlog_recover_check_summary: sb_icount %Lu itotal %Lu", sbp->sb_icount, itotal); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index a66b3980517..ebdb76da527 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -139,7 +139,7 @@ xfs_mount_init(void) AIL_LOCKINIT(&mp->m_ail_lock, "xfs_ail"); spinlock_init(&mp->m_sb_lock, "xfs_sb"); mutex_init(&mp->m_ilock); - initnsema(&mp->m_growlock, 1, "xfs_grow"); + mutex_init(&mp->m_growlock); /* * Initialize the AIL. */ @@ -157,14 +157,8 @@ xfs_mount_init(void) */ void xfs_mount_free( - xfs_mount_t *mp, - int remove_bhv) + xfs_mount_t *mp) { - if (mp->m_ihash) - xfs_ihash_free(mp); - if (mp->m_chash) - xfs_chash_free(mp); - if (mp->m_perag) { int agno; @@ -180,7 +174,7 @@ xfs_mount_free( AIL_LOCK_DESTROY(&mp->m_ail_lock); spinlock_destroy(&mp->m_sb_lock); mutex_destroy(&mp->m_ilock); - freesema(&mp->m_growlock); + mutex_destroy(&mp->m_growlock); if (mp->m_quotainfo) XFS_QM_DONE(mp); @@ -191,15 +185,7 @@ xfs_mount_free( if (mp->m_logname != NULL) kmem_free(mp->m_logname, strlen(mp->m_logname) + 1); - if (remove_bhv) { - struct bhv_vfs *vfsp = XFS_MTOVFS(mp); - - bhv_remove_all_vfsops(vfsp, 0); - VFS_REMOVEBHV(vfsp, &mp->m_bhv); - } - xfs_icsb_destroy_counters(mp); - kmem_free(mp, sizeof(xfs_mount_t)); } /* @@ -342,9 +328,19 @@ xfs_mount_validate_sb( return 0; } +STATIC void +xfs_initialize_perag_icache( + xfs_perag_t *pag) +{ + if (!pag->pag_ici_init) { + rwlock_init(&pag->pag_ici_lock); + INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); + pag->pag_ici_init = 1; + } +} + xfs_agnumber_t xfs_initialize_perag( - bhv_vfs_t *vfs, xfs_mount_t *mp, xfs_agnumber_t agcount) { @@ -362,7 +358,7 @@ xfs_initialize_perag( /* Clear the mount flag if no inode can overflow 32 bits * on this filesystem, or if specifically requested.. */ - if ((vfs->vfs_flag & VFS_32BITINODES) && ino > max_inum) { + if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > max_inum) { mp->m_flags |= XFS_MOUNT_32BITINODES; } else { mp->m_flags &= ~XFS_MOUNT_32BITINODES; @@ -396,48 +392,92 @@ xfs_initialize_perag( pag->pagi_inodeok = 1; if (index < max_metadata) pag->pagf_metadata = 1; + xfs_initialize_perag_icache(pag); } } else { /* Setup default behavior for smaller filesystems */ for (index = 0; index < agcount; index++) { pag = &mp->m_perag[index]; pag->pagi_inodeok = 1; + xfs_initialize_perag_icache(pag); } } return index; } +void +xfs_sb_from_disk( + xfs_sb_t *to, + xfs_dsb_t *from) +{ + to->sb_magicnum = be32_to_cpu(from->sb_magicnum); + to->sb_blocksize = be32_to_cpu(from->sb_blocksize); + to->sb_dblocks = be64_to_cpu(from->sb_dblocks); + to->sb_rblocks = be64_to_cpu(from->sb_rblocks); + to->sb_rextents = be64_to_cpu(from->sb_rextents); + memcpy(&to->sb_uuid, &from->sb_uuid, sizeof(to->sb_uuid)); + to->sb_logstart = be64_to_cpu(from->sb_logstart); + to->sb_rootino = be64_to_cpu(from->sb_rootino); + to->sb_rbmino = be64_to_cpu(from->sb_rbmino); + to->sb_rsumino = be64_to_cpu(from->sb_rsumino); + to->sb_rextsize = be32_to_cpu(from->sb_rextsize); + to->sb_agblocks = be32_to_cpu(from->sb_agblocks); + to->sb_agcount = be32_to_cpu(from->sb_agcount); + to->sb_rbmblocks = be32_to_cpu(from->sb_rbmblocks); + to->sb_logblocks = be32_to_cpu(from->sb_logblocks); + to->sb_versionnum = be16_to_cpu(from->sb_versionnum); + to->sb_sectsize = be16_to_cpu(from->sb_sectsize); + to->sb_inodesize = be16_to_cpu(from->sb_inodesize); + to->sb_inopblock = be16_to_cpu(from->sb_inopblock); + memcpy(&to->sb_fname, &from->sb_fname, sizeof(to->sb_fname)); + to->sb_blocklog = from->sb_blocklog; + to->sb_sectlog = from->sb_sectlog; + to->sb_inodelog = from->sb_inodelog; + to->sb_inopblog = from->sb_inopblog; + to->sb_agblklog = from->sb_agblklog; + to->sb_rextslog = from->sb_rextslog; + to->sb_inprogress = from->sb_inprogress; + to->sb_imax_pct = from->sb_imax_pct; + to->sb_icount = be64_to_cpu(from->sb_icount); + to->sb_ifree = be64_to_cpu(from->sb_ifree); + to->sb_fdblocks = be64_to_cpu(from->sb_fdblocks); + to->sb_frextents = be64_to_cpu(from->sb_frextents); + to->sb_uquotino = be64_to_cpu(from->sb_uquotino); + to->sb_gquotino = be64_to_cpu(from->sb_gquotino); + to->sb_qflags = be16_to_cpu(from->sb_qflags); + to->sb_flags = from->sb_flags; + to->sb_shared_vn = from->sb_shared_vn; + to->sb_inoalignmt = be32_to_cpu(from->sb_inoalignmt); + to->sb_unit = be32_to_cpu(from->sb_unit); + to->sb_width = be32_to_cpu(from->sb_width); + to->sb_dirblklog = from->sb_dirblklog; + to->sb_logsectlog = from->sb_logsectlog; + to->sb_logsectsize = be16_to_cpu(from->sb_logsectsize); + to->sb_logsunit = be32_to_cpu(from->sb_logsunit); + to->sb_features2 = be32_to_cpu(from->sb_features2); +} + /* - * xfs_xlatesb + * Copy in core superblock to ondisk one. * - * data - on disk version of sb - * sb - a superblock - * dir - conversion direction: <0 - convert sb to buf - * >0 - convert buf to sb - * fields - which fields to copy (bitmask) + * The fields argument is mask of superblock fields to copy. */ void -xfs_xlatesb( - void *data, - xfs_sb_t *sb, - int dir, +xfs_sb_to_disk( + xfs_dsb_t *to, + xfs_sb_t *from, __int64_t fields) { - xfs_caddr_t buf_ptr; - xfs_caddr_t mem_ptr; + xfs_caddr_t to_ptr = (xfs_caddr_t)to; + xfs_caddr_t from_ptr = (xfs_caddr_t)from; xfs_sb_field_t f; int first; int size; - ASSERT(dir); ASSERT(fields); - if (!fields) return; - buf_ptr = (xfs_caddr_t)data; - mem_ptr = (xfs_caddr_t)sb; - while (fields) { f = (xfs_sb_field_t)xfs_lowbit64((__uint64_t)fields); first = xfs_sb_info[f].offset; @@ -446,26 +486,20 @@ xfs_xlatesb( ASSERT(xfs_sb_info[f].type == 0 || xfs_sb_info[f].type == 1); if (size == 1 || xfs_sb_info[f].type == 1) { - if (dir > 0) { - memcpy(mem_ptr + first, buf_ptr + first, size); - } else { - memcpy(buf_ptr + first, mem_ptr + first, size); - } + memcpy(to_ptr + first, from_ptr + first, size); } else { switch (size) { case 2: - INT_XLATE(*(__uint16_t*)(buf_ptr+first), - *(__uint16_t*)(mem_ptr+first), - dir, ARCH_CONVERT); + *(__be16 *)(to_ptr + first) = + cpu_to_be16(*(__u16 *)(from_ptr + first)); break; case 4: - INT_XLATE(*(__uint32_t*)(buf_ptr+first), - *(__uint32_t*)(mem_ptr+first), - dir, ARCH_CONVERT); + *(__be32 *)(to_ptr + first) = + cpu_to_be32(*(__u32 *)(from_ptr + first)); break; case 8: - INT_XLATE(*(__uint64_t*)(buf_ptr+first), - *(__uint64_t*)(mem_ptr+first), dir, ARCH_CONVERT); + *(__be64 *)(to_ptr + first) = + cpu_to_be64(*(__u64 *)(from_ptr + first)); break; default: ASSERT(0); @@ -487,7 +521,6 @@ xfs_readsb(xfs_mount_t *mp, int flags) unsigned int sector_size; unsigned int extra_flags; xfs_buf_t *bp; - xfs_sb_t *sbp; int error; ASSERT(mp->m_sb_bp == NULL); @@ -515,8 +548,7 @@ xfs_readsb(xfs_mount_t *mp, int flags) * Initialize the mount structure from the superblock. * But first do some basic consistency checking. */ - sbp = XFS_BUF_TO_SBP(bp); - xfs_xlatesb(XFS_BUF_PTR(bp), &(mp->m_sb), 1, XFS_SB_ALL_BITS); + xfs_sb_from_disk(&mp->m_sb, XFS_BUF_TO_SBP(bp)); error = xfs_mount_validate_sb(mp, &(mp->m_sb), flags); if (error) { @@ -715,7 +747,6 @@ xfs_initialize_perag_data(xfs_mount_t *mp, xfs_agnumber_t agcount) */ int xfs_mountfs( - bhv_vfs_t *vfsp, xfs_mount_t *mp, int mfsi_flags) { @@ -842,14 +873,11 @@ xfs_mountfs( */ if ((mfsi_flags & XFS_MFSI_SECOND) == 0 && (mp->m_flags & XFS_MOUNT_NOUUID) == 0) { - __uint64_t ret64; if (xfs_uuid_mount(mp)) { error = XFS_ERROR(EINVAL); goto error1; } uuid_mounted=1; - ret64 = uuid_hash64(&sbp->sb_uuid); - memcpy(&vfsp->vfs_fsid, &ret64, sizeof(ret64)); } /* @@ -871,16 +899,6 @@ xfs_mountfs( writeio_log = mp->m_writeio_log; } - /* - * Set the number of readahead buffers to use based on - * physical memory size. - */ - if (xfs_physmem <= 4096) /* <= 16MB */ - mp->m_nreadaheads = XFS_RW_NREADAHEAD_16MB; - else if (xfs_physmem <= 8192) /* <= 32MB */ - mp->m_nreadaheads = XFS_RW_NREADAHEAD_32MB; - else - mp->m_nreadaheads = XFS_RW_NREADAHEAD_K32; if (sbp->sb_blocklog > readio_log) { mp->m_readio_log = sbp->sb_blocklog; } else { @@ -895,15 +913,12 @@ xfs_mountfs( mp->m_writeio_blocks = 1 << (mp->m_writeio_log - sbp->sb_blocklog); /* - * Set the inode cluster size based on the physical memory - * size. This may still be overridden by the file system + * Set the inode cluster size. + * This may still be overridden by the file system * block size if it is larger than the chosen cluster size. */ - if (xfs_physmem <= btoc(32 * 1024 * 1024)) { /* <= 32 MB */ - mp->m_inode_cluster_size = XFS_INODE_SMALL_CLUSTER_SIZE; - } else { - mp->m_inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE; - } + mp->m_inode_cluster_size = XFS_INODE_BIG_CLUSTER_SIZE; + /* * Set whether we're using inode alignment. */ @@ -987,16 +1002,6 @@ xfs_mountfs( */ uuid_getnodeuniq(&sbp->sb_uuid, mp->m_fixedfsid); - /* - * The vfs structure needs to have a file system independent - * way of checking for the invariant file system ID. Since it - * can't look at mount structures it has a pointer to the data - * in the mount structure. - * - * File systems that don't support user level file handles (i.e. - * all of them except for XFS) will leave vfs_altfsid as NULL. - */ - vfsp->vfs_altfsid = (xfs_fsid_t *)mp->m_fixedfsid; mp->m_dmevmask = 0; /* not persistent; set after each mount */ xfs_dir_mount(mp); @@ -1012,20 +1017,13 @@ xfs_mountfs( xfs_trans_init(mp); /* - * Allocate and initialize the inode hash table for this - * file system. - */ - xfs_ihash_init(mp); - xfs_chash_init(mp); - - /* * Allocate and initialize the per-ag data. */ init_rwsem(&mp->m_peraglock); mp->m_perag = kmem_zalloc(sbp->sb_agcount * sizeof(xfs_perag_t), KM_SLEEP); - mp->m_maxagi = xfs_initialize_perag(vfsp, mp, sbp->sb_agcount); + mp->m_maxagi = xfs_initialize_perag(mp, sbp->sb_agcount); /* * log's mount-time initialization. Perform 1st part recovery if needed @@ -1116,7 +1114,7 @@ xfs_mountfs( * If fs is not mounted readonly, then update the superblock * unit and width changes. */ - if (update_flags && !(vfsp->vfs_flag & VFS_RDONLY)) + if (update_flags && !(mp->m_flags & XFS_MOUNT_RDONLY)) xfs_mount_log_sbunit(mp, update_flags); /* @@ -1169,8 +1167,6 @@ xfs_mountfs( error3: xfs_log_unmount_dealloc(mp); error2: - xfs_ihash_free(mp); - xfs_chash_free(mp); for (agno = 0; agno < sbp->sb_agcount; agno++) if (mp->m_perag[agno].pagb_list) kmem_free(mp->m_perag[agno].pagb_list, @@ -1194,10 +1190,6 @@ xfs_mountfs( int xfs_unmountfs(xfs_mount_t *mp, struct cred *cr) { - struct bhv_vfs *vfsp = XFS_MTOVFS(mp); -#if defined(DEBUG) || defined(INDUCE_IO_ERROR) - int64_t fsid; -#endif __uint64_t resblks; /* @@ -1261,21 +1253,17 @@ xfs_unmountfs(xfs_mount_t *mp, struct cred *cr) xfs_uuid_unmount(mp); #if defined(DEBUG) || defined(INDUCE_IO_ERROR) - /* - * clear all error tags on this filesystem - */ - memcpy(&fsid, &vfsp->vfs_fsid, sizeof(int64_t)); - xfs_errortag_clearall_umount(fsid, mp->m_fsname, 0); + xfs_errortag_clearall(mp, 0); #endif - XFS_IODONE(vfsp); - xfs_mount_free(mp, 1); + XFS_IODONE(mp); + xfs_mount_free(mp); return 0; } void xfs_unmountfs_close(xfs_mount_t *mp, struct cred *cr) { - if (mp->m_logdev_targp != mp->m_ddev_targp) + if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) xfs_free_buftarg(mp->m_logdev_targp, 1); if (mp->m_rtdev_targp) xfs_free_buftarg(mp->m_rtdev_targp, 1); @@ -1295,10 +1283,8 @@ xfs_unmountfs_wait(xfs_mount_t *mp) int xfs_fs_writable(xfs_mount_t *mp) { - bhv_vfs_t *vfsp = XFS_MTOVFS(mp); - - return !(vfs_test_for_freeze(vfsp) || XFS_FORCED_SHUTDOWN(mp) || - (vfsp->vfs_flag & VFS_RDONLY)); + return !(xfs_test_for_freeze(mp) || XFS_FORCED_SHUTDOWN(mp) || + (mp->m_flags & XFS_MOUNT_RDONLY)); } /* @@ -1348,34 +1334,44 @@ xfs_log_sbcount( return 0; } +STATIC void +xfs_mark_shared_ro( + xfs_mount_t *mp, + xfs_buf_t *bp) +{ + xfs_dsb_t *sb = XFS_BUF_TO_SBP(bp); + __uint16_t version; + + if (!(sb->sb_flags & XFS_SBF_READONLY)) + sb->sb_flags |= XFS_SBF_READONLY; + + version = be16_to_cpu(sb->sb_versionnum); + if ((version & XFS_SB_VERSION_NUMBITS) != XFS_SB_VERSION_4 || + !(version & XFS_SB_VERSION_SHAREDBIT)) + version |= XFS_SB_VERSION_SHAREDBIT; + sb->sb_versionnum = cpu_to_be16(version); +} + int xfs_unmountfs_writesb(xfs_mount_t *mp) { xfs_buf_t *sbp; - xfs_sb_t *sb; int error = 0; /* * skip superblock write if fs is read-only, or * if we are doing a forced umount. */ - if (!(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY || + if (!((mp->m_flags & XFS_MOUNT_RDONLY) || XFS_FORCED_SHUTDOWN(mp))) { sbp = xfs_getsb(mp, 0); - sb = XFS_BUF_TO_SBP(sbp); /* * mark shared-readonly if desired */ - if (mp->m_mk_sharedro) { - if (!(sb->sb_flags & XFS_SBF_READONLY)) - sb->sb_flags |= XFS_SBF_READONLY; - if (!XFS_SB_VERSION_HASSHARED(sb)) - XFS_SB_VERSION_ADDSHARED(sb); - xfs_fs_cmn_err(CE_NOTE, mp, - "Unmounting, marking shared read-only"); - } + if (mp->m_mk_sharedro) + xfs_mark_shared_ro(mp, sbp); XFS_BUF_UNDONE(sbp); XFS_BUF_UNREAD(sbp); @@ -1410,7 +1406,6 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields) int first; int last; xfs_mount_t *mp; - xfs_sb_t *sbp; xfs_sb_field_t f; ASSERT(fields); @@ -1418,13 +1413,12 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields) return; mp = tp->t_mountp; bp = xfs_trans_getsb(tp, mp, 0); - sbp = XFS_BUF_TO_SBP(bp); first = sizeof(xfs_sb_t); last = 0; /* translate/copy */ - xfs_xlatesb(XFS_BUF_PTR(bp), &(mp->m_sb), -1, fields); + xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb, fields); /* find modified range */ diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 76ad7475869..c618f7cb5f0 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -54,13 +54,8 @@ typedef struct xfs_trans_reservations { #else struct cred; struct log; -struct bhv_vfs; -struct bhv_vnode; struct xfs_mount_args; -struct xfs_ihash; -struct xfs_chash; struct xfs_inode; -struct xfs_perag; struct xfs_iocore; struct xfs_bmbt_irec; struct xfs_bmap_free; @@ -68,9 +63,6 @@ struct xfs_extdelta; struct xfs_swapext; struct xfs_mru_cache; -extern struct bhv_vfsops xfs_vfsops; -extern struct bhv_vnodeops xfs_vnodeops; - #define AIL_LOCK_T lock_t #define AIL_LOCKINIT(x,y) spinlock_init(x,y) #define AIL_LOCK_DESTROY(x) spinlock_destroy(x) @@ -82,15 +74,17 @@ extern struct bhv_vnodeops xfs_vnodeops; * Prototypes and functions for the Data Migration subsystem. */ -typedef int (*xfs_send_data_t)(int, struct bhv_vnode *, +typedef int (*xfs_send_data_t)(int, bhv_vnode_t *, xfs_off_t, size_t, int, bhv_vrwlock_t *); typedef int (*xfs_send_mmap_t)(struct vm_area_struct *, uint); -typedef int (*xfs_send_destroy_t)(struct bhv_vnode *, dm_right_t); -typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct bhv_vfs *, - struct bhv_vnode *, - dm_right_t, struct bhv_vnode *, dm_right_t, +typedef int (*xfs_send_destroy_t)(bhv_vnode_t *, dm_right_t); +typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *, + bhv_vnode_t *, + dm_right_t, bhv_vnode_t *, dm_right_t, char *, char *, mode_t, int, int); -typedef void (*xfs_send_unmount_t)(struct bhv_vfs *, struct bhv_vnode *, +typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t, + char *, char *); +typedef void (*xfs_send_unmount_t)(struct xfs_mount *, bhv_vnode_t *, dm_right_t, mode_t, int, int); typedef struct xfs_dmops { @@ -98,21 +92,24 @@ typedef struct xfs_dmops { xfs_send_mmap_t xfs_send_mmap; xfs_send_destroy_t xfs_send_destroy; xfs_send_namesp_t xfs_send_namesp; + xfs_send_mount_t xfs_send_mount; xfs_send_unmount_t xfs_send_unmount; } xfs_dmops_t; #define XFS_SEND_DATA(mp, ev,vp,off,len,fl,lock) \ - (*(mp)->m_dm_ops.xfs_send_data)(ev,vp,off,len,fl,lock) + (*(mp)->m_dm_ops->xfs_send_data)(ev,vp,off,len,fl,lock) #define XFS_SEND_MMAP(mp, vma,fl) \ - (*(mp)->m_dm_ops.xfs_send_mmap)(vma,fl) + (*(mp)->m_dm_ops->xfs_send_mmap)(vma,fl) #define XFS_SEND_DESTROY(mp, vp,right) \ - (*(mp)->m_dm_ops.xfs_send_destroy)(vp,right) + (*(mp)->m_dm_ops->xfs_send_destroy)(vp,right) #define XFS_SEND_NAMESP(mp, ev,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl) -#define XFS_SEND_PREUNMOUNT(mp, vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_namesp)(DM_EVENT_PREUNMOUNT,vfs,b1,r1,b2,r2,n1,n2,mode,rval,fl) -#define XFS_SEND_UNMOUNT(mp, vfsp,vp,right,mode,rval,fl) \ - (*(mp)->m_dm_ops.xfs_send_unmount)(vfsp,vp,right,mode,rval,fl) + (*(mp)->m_dm_ops->xfs_send_namesp)(ev,NULL,b1,r1,b2,r2,n1,n2,mode,rval,fl) +#define XFS_SEND_PREUNMOUNT(mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) \ + (*(mp)->m_dm_ops->xfs_send_namesp)(DM_EVENT_PREUNMOUNT,mp,b1,r1,b2,r2,n1,n2,mode,rval,fl) +#define XFS_SEND_MOUNT(mp,right,path,name) \ + (*(mp)->m_dm_ops->xfs_send_mount)(mp,right,path,name) +#define XFS_SEND_UNMOUNT(mp, vp,right,mode,rval,fl) \ + (*(mp)->m_dm_ops->xfs_send_unmount)(mp,vp,right,mode,rval,fl) /* @@ -142,6 +139,9 @@ typedef struct xfs_dquot * (*xfs_dqvopchown_t)( struct xfs_dquot **, struct xfs_dquot *); typedef int (*xfs_dqvopchownresv_t)(struct xfs_trans *, struct xfs_inode *, struct xfs_dquot *, struct xfs_dquot *, uint); +typedef void (*xfs_dqstatvfs_t)(struct xfs_inode *, bhv_statvfs_t *); +typedef int (*xfs_dqsync_t)(struct xfs_mount *, int flags); +typedef int (*xfs_quotactl_t)(struct xfs_mount *, int, int, xfs_caddr_t); typedef struct xfs_qmops { xfs_qminit_t xfs_qminit; @@ -157,42 +157,51 @@ typedef struct xfs_qmops { xfs_dqvoprename_t xfs_dqvoprename; xfs_dqvopchown_t xfs_dqvopchown; xfs_dqvopchownresv_t xfs_dqvopchownresv; + xfs_dqstatvfs_t xfs_dqstatvfs; + xfs_dqsync_t xfs_dqsync; + xfs_quotactl_t xfs_quotactl; struct xfs_dqtrxops *xfs_dqtrxops; } xfs_qmops_t; #define XFS_QM_INIT(mp, mnt, fl) \ - (*(mp)->m_qm_ops.xfs_qminit)(mp, mnt, fl) + (*(mp)->m_qm_ops->xfs_qminit)(mp, mnt, fl) #define XFS_QM_MOUNT(mp, mnt, fl, mfsi_flags) \ - (*(mp)->m_qm_ops.xfs_qmmount)(mp, mnt, fl, mfsi_flags) + (*(mp)->m_qm_ops->xfs_qmmount)(mp, mnt, fl, mfsi_flags) #define XFS_QM_UNMOUNT(mp) \ - (*(mp)->m_qm_ops.xfs_qmunmount)(mp) + (*(mp)->m_qm_ops->xfs_qmunmount)(mp) #define XFS_QM_DONE(mp) \ - (*(mp)->m_qm_ops.xfs_qmdone)(mp) + (*(mp)->m_qm_ops->xfs_qmdone)(mp) #define XFS_QM_DQRELE(mp, dq) \ - (*(mp)->m_qm_ops.xfs_dqrele)(dq) + (*(mp)->m_qm_ops->xfs_dqrele)(dq) #define XFS_QM_DQATTACH(mp, ip, fl) \ - (*(mp)->m_qm_ops.xfs_dqattach)(ip, fl) + (*(mp)->m_qm_ops->xfs_dqattach)(ip, fl) #define XFS_QM_DQDETACH(mp, ip) \ - (*(mp)->m_qm_ops.xfs_dqdetach)(ip) + (*(mp)->m_qm_ops->xfs_dqdetach)(ip) #define XFS_QM_DQPURGEALL(mp, fl) \ - (*(mp)->m_qm_ops.xfs_dqpurgeall)(mp, fl) + (*(mp)->m_qm_ops->xfs_dqpurgeall)(mp, fl) #define XFS_QM_DQVOPALLOC(mp, ip, uid, gid, prid, fl, dq1, dq2) \ - (*(mp)->m_qm_ops.xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2) + (*(mp)->m_qm_ops->xfs_dqvopalloc)(mp, ip, uid, gid, prid, fl, dq1, dq2) #define XFS_QM_DQVOPCREATE(mp, tp, ip, dq1, dq2) \ - (*(mp)->m_qm_ops.xfs_dqvopcreate)(tp, ip, dq1, dq2) + (*(mp)->m_qm_ops->xfs_dqvopcreate)(tp, ip, dq1, dq2) #define XFS_QM_DQVOPRENAME(mp, ip) \ - (*(mp)->m_qm_ops.xfs_dqvoprename)(ip) + (*(mp)->m_qm_ops->xfs_dqvoprename)(ip) #define XFS_QM_DQVOPCHOWN(mp, tp, ip, dqp, dq) \ - (*(mp)->m_qm_ops.xfs_dqvopchown)(tp, ip, dqp, dq) + (*(mp)->m_qm_ops->xfs_dqvopchown)(tp, ip, dqp, dq) #define XFS_QM_DQVOPCHOWNRESV(mp, tp, ip, dq1, dq2, fl) \ - (*(mp)->m_qm_ops.xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl) + (*(mp)->m_qm_ops->xfs_dqvopchownresv)(tp, ip, dq1, dq2, fl) +#define XFS_QM_DQSTATVFS(ip, statp) \ + (*(ip)->i_mount->m_qm_ops->xfs_dqstatvfs)(ip, statp) +#define XFS_QM_DQSYNC(mp, flags) \ + (*(mp)->m_qm_ops->xfs_dqsync)(mp, flags) +#define XFS_QM_QUOTACTL(mp, cmd, id, addr) \ + (*(mp)->m_qm_ops->xfs_quotactl)(mp, cmd, id, addr) /* * Prototypes and functions for I/O core modularization. */ -typedef int (*xfs_ioinit_t)(struct bhv_vfs *, +typedef int (*xfs_ioinit_t)(struct xfs_mount *, struct xfs_mount_args *, int); typedef int (*xfs_bmapi_t)(struct xfs_trans *, void *, xfs_fileoff_t, xfs_filblks_t, int, @@ -222,7 +231,7 @@ typedef void (*xfs_lock_demote_t)(void *, uint); typedef int (*xfs_lock_nowait_t)(void *, uint); typedef void (*xfs_unlk_t)(void *, unsigned int); typedef xfs_fsize_t (*xfs_size_t)(void *); -typedef xfs_fsize_t (*xfs_iodone_t)(struct bhv_vfs *); +typedef xfs_fsize_t (*xfs_iodone_t)(struct xfs_mount *); typedef int (*xfs_swap_extents_t)(void *, void *, struct xfs_swapext*); @@ -245,8 +254,8 @@ typedef struct xfs_ioops { xfs_swap_extents_t xfs_swap_extents_func; } xfs_ioops_t; -#define XFS_IOINIT(vfsp, args, flags) \ - (*(mp)->m_io_ops.xfs_ioinit)(vfsp, args, flags) +#define XFS_IOINIT(mp, args, flags) \ + (*(mp)->m_io_ops.xfs_ioinit)(mp, args, flags) #define XFS_BMAPI(mp, trans,io,bno,len,f,first,tot,mval,nmap,flist,delta) \ (*(mp)->m_io_ops.xfs_bmapi_func) \ (trans,(io)->io_obj,bno,len,f,first,tot,mval,nmap,flist,delta) @@ -280,8 +289,8 @@ typedef struct xfs_ioops { (*(mp)->m_io_ops.xfs_ilock_demote)((io)->io_obj, mode) #define XFS_SIZE(mp, io) \ (*(mp)->m_io_ops.xfs_size_func)((io)->io_obj) -#define XFS_IODONE(vfsp) \ - (*(mp)->m_io_ops.xfs_iodone)(vfsp) +#define XFS_IODONE(mp) \ + (*(mp)->m_io_ops.xfs_iodone)(mp) #define XFS_SWAP_EXTENTS(mp, io, tio, sxp) \ (*(mp)->m_io_ops.xfs_swap_extents_func) \ ((io)->io_obj, (tio)->io_obj, sxp) @@ -318,7 +327,7 @@ extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int); #endif typedef struct xfs_mount { - bhv_desc_t m_bhv; /* vfs xfs behavior */ + struct super_block *m_super; xfs_tid_t m_tid; /* next unused tid for fs */ AIL_LOCK_T m_ail_lock; /* fs AIL mutex */ xfs_ail_entry_t m_ail; /* fs active log item list */ @@ -335,8 +344,6 @@ typedef struct xfs_mount { xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */ lock_t m_agirotor_lock;/* .. and lock protecting it */ xfs_agnumber_t m_maxagi; /* highest inode alloc group */ - size_t m_ihsize; /* size of next field */ - struct xfs_ihash *m_ihash; /* fs private inode hash table*/ struct xfs_inode *m_inodes; /* active inode list */ struct list_head m_del_inodes; /* inodes to reclaim */ mutex_t m_ilock; /* inode list mutex */ @@ -362,7 +369,6 @@ typedef struct xfs_mount { __uint8_t m_blkbb_log; /* blocklog - BBSHIFT */ __uint8_t m_agno_log; /* log #ag's */ __uint8_t m_agino_log; /* #bits for agino in inum */ - __uint8_t m_nreadaheads; /* #readahead buffers */ __uint16_t m_inode_cluster_size;/* min inode buf size */ uint m_blockmask; /* sb_blocksize-1 */ uint m_blockwsize; /* sb_blocksize in words */ @@ -378,7 +384,7 @@ typedef struct xfs_mount { uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ struct xfs_perag *m_perag; /* per-ag accounting info */ struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */ - sema_t m_growlock; /* growfs mutex */ + struct mutex m_growlock; /* growfs mutex */ int m_fixedfsid[2]; /* unchanged for life of FS */ uint m_dmevmask; /* DMI events for this FS */ __uint64_t m_flags; /* global mount flags */ @@ -415,8 +421,8 @@ typedef struct xfs_mount { uint m_chsize; /* size of next field */ struct xfs_chash *m_chash; /* fs private inode per-cluster * hash table */ - struct xfs_dmops m_dm_ops; /* vector of DMI ops */ - struct xfs_qmops m_qm_ops; /* vector of XQM ops */ + struct xfs_dmops *m_dm_ops; /* vector of DMI ops */ + struct xfs_qmops *m_qm_ops; /* vector of XQM ops */ struct xfs_ioops m_io_ops; /* vector of I/O ops */ atomic_t m_active_trans; /* number trans frozen */ #ifdef HAVE_PERCPU_SB @@ -426,6 +432,12 @@ typedef struct xfs_mount { struct mutex m_icsb_mutex; /* balancer sync lock */ #endif struct xfs_mru_cache *m_filestream; /* per-mount filestream data */ + struct task_struct *m_sync_task; /* generalised sync thread */ + bhv_vfs_sync_work_t m_sync_work; /* work item for VFS_SYNC */ + struct list_head m_sync_list; /* sync thread work item list */ + spinlock_t m_sync_lock; /* work item list lock */ + int m_sync_seq; /* sync thread generation no. */ + wait_queue_head_t m_wait_single_sync_task; } xfs_mount_t; /* @@ -435,7 +447,7 @@ typedef struct xfs_mount { must be synchronous except for space allocations */ #define XFS_MOUNT_INO64 (1ULL << 1) - /* (1ULL << 2) -- currently unused */ +#define XFS_MOUNT_DMAPI (1ULL << 2) /* dmapi is enabled */ #define XFS_MOUNT_WAS_CLEAN (1ULL << 3) #define XFS_MOUNT_FS_SHUTDOWN (1ULL << 4) /* atomic stop of all filesystem operations, typically for @@ -445,7 +457,7 @@ typedef struct xfs_mount { #define XFS_MOUNT_NOALIGN (1ULL << 7) /* turn off stripe alignment allocations */ #define XFS_MOUNT_ATTR2 (1ULL << 8) /* allow use of attr2 format */ - /* (1ULL << 9) -- currently unused */ +#define XFS_MOUNT_GRPID (1ULL << 9) /* group-ID assigned from directory */ #define XFS_MOUNT_NORECOVERY (1ULL << 10) /* no recovery - dirty fs */ #define XFS_MOUNT_SHARED (1ULL << 11) /* shared mount */ #define XFS_MOUNT_DFLT_IOSIZE (1ULL << 12) /* set default i/o size */ @@ -453,13 +465,13 @@ typedef struct xfs_mount { /* osyncisdsync is now default*/ #define XFS_MOUNT_32BITINODES (1ULL << 14) /* do not create inodes above * 32 bits in size */ - /* (1ULL << 15) -- currently unused */ +#define XFS_MOUNT_SMALL_INUMS (1ULL << 15) /* users wants 32bit inodes */ #define XFS_MOUNT_NOUUID (1ULL << 16) /* ignore uuid during mount */ #define XFS_MOUNT_BARRIER (1ULL << 17) #define XFS_MOUNT_IDELETE (1ULL << 18) /* delete empty inode clusters*/ #define XFS_MOUNT_SWALLOC (1ULL << 19) /* turn on stripe width * allocation */ -#define XFS_MOUNT_IHASHSIZE (1ULL << 20) /* inode hash table size */ +#define XFS_MOUNT_RDONLY (1ULL << 20) /* read-only fs */ #define XFS_MOUNT_DIRSYNC (1ULL << 21) /* synchronous directory ops */ #define XFS_MOUNT_COMPAT_IOSIZE (1ULL << 22) /* don't report large preferred * I/O size in stat() */ @@ -518,8 +530,10 @@ xfs_preferred_iosize(xfs_mount_t *mp) #define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \ ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN) #define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN) +void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname, + int lnnum); #define xfs_force_shutdown(m,f) \ - bhv_vfs_force_shutdown((XFS_MTOVFS(m)), f, __FILE__, __LINE__) + xfs_do_force_shutdown(m, f, __FILE__, __LINE__) /* * Flags for xfs_mountfs @@ -533,28 +547,6 @@ xfs_preferred_iosize(xfs_mount_t *mp) /* XFS_MFSI_CONVERT_SUNIT */ #define XFS_MFSI_QUIET 0x40 /* Be silent if mount errors found */ -/* - * Macros for getting from mount to vfs and back. - */ -#define XFS_MTOVFS(mp) xfs_mtovfs(mp) -static inline struct bhv_vfs *xfs_mtovfs(xfs_mount_t *mp) -{ - return bhvtovfs(&mp->m_bhv); -} - -#define XFS_BHVTOM(bdp) xfs_bhvtom(bdp) -static inline xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp) -{ - return (xfs_mount_t *)BHV_PDATA(bdp); -} - -#define XFS_VFSTOM(vfs) xfs_vfstom(vfs) -static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs) -{ - return XFS_BHVTOM(bhv_lookup_range(VFS_BHVHEAD(vfs), - VFS_POSITION_XFS, VFS_POSITION_XFS)); -} - #define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d) static inline xfs_agnumber_t xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d) @@ -573,6 +565,21 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d) } /* + * perag get/put wrappers for eventual ref counting + */ +static inline xfs_perag_t * +xfs_get_perag(struct xfs_mount *mp, xfs_ino_t ino) +{ + return &mp->m_perag[XFS_INO_TO_AGNO(mp, ino)]; +} + +static inline void +xfs_put_perag(struct xfs_mount *mp, xfs_perag_t *pag) +{ + /* nothing to see here, move along */ +} + +/* * Per-cpu superblock locking functions */ #ifdef HAVE_PERCPU_SB @@ -609,8 +616,8 @@ typedef struct xfs_mod_sb { extern xfs_mount_t *xfs_mount_init(void); extern void xfs_mod_sb(xfs_trans_t *, __int64_t); extern int xfs_log_sbcount(xfs_mount_t *, uint); -extern void xfs_mount_free(xfs_mount_t *mp, int remove_bhv); -extern int xfs_mountfs(struct bhv_vfs *, xfs_mount_t *mp, int); +extern void xfs_mount_free(xfs_mount_t *mp); +extern int xfs_mountfs(xfs_mount_t *mp, int); extern void xfs_mountfs_check_barriers(xfs_mount_t *mp); extern int xfs_unmountfs(xfs_mount_t *, struct cred *); @@ -626,16 +633,19 @@ extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int); extern int xfs_readsb(xfs_mount_t *, int); extern void xfs_freesb(xfs_mount_t *); extern int xfs_fs_writable(xfs_mount_t *); -extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); extern int xfs_syncsub(xfs_mount_t *, int, int *); extern int xfs_sync_inodes(xfs_mount_t *, int, int *); -extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *, - xfs_agnumber_t); -extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); +extern xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t); +extern void xfs_sb_from_disk(struct xfs_sb *, struct xfs_dsb *); +extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t); extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t); -extern struct xfs_dmops xfs_dmcore_stub; -extern struct xfs_qmops xfs_qmcore_stub; +extern int xfs_dmops_get(struct xfs_mount *, struct xfs_mount_args *); +extern void xfs_dmops_put(struct xfs_mount *); +extern int xfs_qmops_get(struct xfs_mount *, struct xfs_mount_args *); +extern void xfs_qmops_put(struct xfs_mount *); + +extern struct xfs_dmops xfs_dmcore_xfs; extern struct xfs_ioops xfs_iocore_xfs; extern int xfs_init(void); diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c index 0d594ed7efe..c266a0184b4 100644 --- a/fs/xfs/xfs_qmops.c +++ b/fs/xfs/xfs_qmops.c @@ -28,6 +28,8 @@ #include "xfs_mount.h" #include "xfs_quota.h" #include "xfs_error.h" +#include "xfs_clnt.h" + STATIC struct xfs_dquot * xfs_dqvopchown_default( @@ -64,7 +66,7 @@ xfs_mount_reset_sbqflags(xfs_mount_t *mp) * if the fs is readonly, let the incore superblock run * with quotas off but don't flush the update out to disk */ - if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return 0; #ifdef QUOTADEBUG xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes"); @@ -110,7 +112,7 @@ xfs_noquota_init( return error; } -xfs_qmops_t xfs_qmcore_stub = { +static struct xfs_qmops xfs_qmcore_stub = { .xfs_qminit = (xfs_qminit_t) xfs_noquota_init, .xfs_qmdone = (xfs_qmdone_t) fs_noerr, .xfs_qmmount = (xfs_qmmount_t) fs_noerr, @@ -124,4 +126,38 @@ xfs_qmops_t xfs_qmcore_stub = { .xfs_dqvoprename = (xfs_dqvoprename_t) fs_noerr, .xfs_dqvopchown = xfs_dqvopchown_default, .xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr, + .xfs_dqstatvfs = (xfs_dqstatvfs_t) fs_noval, + .xfs_dqsync = (xfs_dqsync_t) fs_noerr, + .xfs_quotactl = (xfs_quotactl_t) fs_nosys, }; + +int +xfs_qmops_get(struct xfs_mount *mp, struct xfs_mount_args *args) +{ + if (args->flags & (XFSMNT_UQUOTA | XFSMNT_PQUOTA | XFSMNT_GQUOTA)) { + struct xfs_qmops *ops; + + ops = symbol_get(xfs_qmcore_xfs); + if (!ops) { + request_module("xfs_quota"); + ops = symbol_get(xfs_qmcore_xfs); + } + + if (!ops) { + cmn_err(CE_WARN, "XFS: no quota support available."); + return EINVAL; + } + mp->m_qm_ops = ops; + } else { + mp->m_qm_ops = &xfs_qmcore_stub; + } + + return 0; +} + +void +xfs_qmops_put(struct xfs_mount *mp) +{ + if (mp->m_qm_ops != &xfs_qmcore_stub) + symbol_put(xfs_qmcore_xfs); +} diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index 6f14df976f7..12c4ec775af 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -330,12 +330,12 @@ typedef struct xfs_dqtrxops { } xfs_dqtrxops_t; #define XFS_DQTRXOP(mp, tp, op, args...) \ - ((mp)->m_qm_ops.xfs_dqtrxops ? \ - ((mp)->m_qm_ops.xfs_dqtrxops->op)(tp, ## args) : 0) + ((mp)->m_qm_ops->xfs_dqtrxops ? \ + ((mp)->m_qm_ops->xfs_dqtrxops->op)(tp, ## args) : 0) #define XFS_DQTRXOP_VOID(mp, tp, op, args...) \ - ((mp)->m_qm_ops.xfs_dqtrxops ? \ - ((mp)->m_qm_ops.xfs_dqtrxops->op)(tp, ## args) : (void)0) + ((mp)->m_qm_ops->xfs_dqtrxops ? \ + ((mp)->m_qm_ops->xfs_dqtrxops->op)(tp, ## args) : (void)0) #define XFS_TRANS_DUP_DQINFO(mp, otp, ntp) \ XFS_DQTRXOP_VOID(mp, otp, qo_dup_dqinfo, ntp) @@ -364,7 +364,7 @@ typedef struct xfs_dqtrxops { extern int xfs_qm_dqcheck(xfs_disk_dquot_t *, xfs_dqid_t, uint, uint, char *); extern int xfs_mount_reset_sbqflags(struct xfs_mount *); -extern struct bhv_module_vfsops xfs_qmops; +extern struct xfs_qmops xfs_qmcore_xfs; #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index 7679d7a7022..44ea0ba3647 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" @@ -128,8 +129,7 @@ xfs_lock_for_rename( lock_mode = xfs_ilock_map_shared(dp2); } - error = xfs_dir_lookup_int(XFS_ITOBHV(dp2), lock_mode, - vname2, &inum2, &ip2); + error = xfs_dir_lookup_int(dp2, lock_mode, vname2, &inum2, &ip2); if (error == ENOENT) { /* target does not need to exist. */ inum2 = 0; } else if (error) { @@ -221,15 +221,15 @@ xfs_lock_for_rename( */ int xfs_rename( - bhv_desc_t *src_dir_bdp, + xfs_inode_t *src_dp, bhv_vname_t *src_vname, bhv_vnode_t *target_dir_vp, - bhv_vname_t *target_vname, - cred_t *credp) + bhv_vname_t *target_vname) { + bhv_vnode_t *src_dir_vp = XFS_ITOV(src_dp); xfs_trans_t *tp; - xfs_inode_t *src_dp, *target_dp, *src_ip, *target_ip; - xfs_mount_t *mp; + xfs_inode_t *target_dp, *src_ip, *target_ip; + xfs_mount_t *mp = src_dp->i_mount; int new_parent; /* moving to a new dir */ int src_is_directory; /* src_name is a directory */ int error; @@ -239,7 +239,6 @@ xfs_rename( int committed; xfs_inode_t *inodes[4]; int target_ip_dropped = 0; /* dropped target_ip link? */ - bhv_vnode_t *src_dir_vp; int spaceres; int target_link_zero = 0; int num_inodes; @@ -248,9 +247,8 @@ xfs_rename( int src_namelen = VNAMELEN(src_vname); int target_namelen = VNAMELEN(target_vname); - src_dir_vp = BHV_TO_VNODE(src_dir_bdp); - vn_trace_entry(src_dir_vp, "xfs_rename", (inst_t *)__return_address); - vn_trace_entry(target_dir_vp, "xfs_rename", (inst_t *)__return_address); + vn_trace_entry(src_dp, "xfs_rename", (inst_t *)__return_address); + vn_trace_entry(xfs_vtoi(target_dir_vp), "xfs_rename", (inst_t *)__return_address); /* * Find the XFS behavior descriptor for the target directory @@ -261,12 +259,8 @@ xfs_rename( return XFS_ERROR(EXDEV); } - src_dp = XFS_BHVTOI(src_dir_bdp); - mp = src_dp->i_mount; - - if (DM_EVENT_ENABLED(src_dir_vp->v_vfsp, src_dp, DM_EVENT_RENAME) || - DM_EVENT_ENABLED(target_dir_vp->v_vfsp, - target_dp, DM_EVENT_RENAME)) { + if (DM_EVENT_ENABLED(src_dp, DM_EVENT_RENAME) || + DM_EVENT_ENABLED(target_dp, DM_EVENT_RENAME)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_RENAME, src_dir_vp, DM_RIGHT_NULL, target_dir_vp, DM_RIGHT_NULL, @@ -592,20 +586,16 @@ xfs_rename( /* * Let interposed file systems know about removed links. */ - if (target_ip_dropped) { - bhv_vop_link_removed(XFS_ITOV(target_ip), target_dir_vp, - target_link_zero); + if (target_ip_dropped) IRELE(target_ip); - } IRELE(src_ip); /* Fall through to std_return with error = 0 or errno from * xfs_trans_commit */ std_return: - if (DM_EVENT_ENABLED(src_dir_vp->v_vfsp, src_dp, DM_EVENT_POSTRENAME) || - DM_EVENT_ENABLED(target_dir_vp->v_vfsp, - target_dp, DM_EVENT_POSTRENAME)) { + if (DM_EVENT_ENABLED(src_dp, DM_EVENT_POSTRENAME) || + DM_EVENT_ENABLED(target_dp, DM_EVENT_POSTRENAME)) { (void) XFS_SEND_NAMESP (mp, DM_EVENT_POSTRENAME, src_dir_vp, DM_RIGHT_NULL, target_dir_vp, DM_RIGHT_NULL, diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c index 905d1c008be..cd3ece6cc91 100644 --- a/fs/xfs/xfs_rw.c +++ b/fs/xfs/xfs_rw.c @@ -178,18 +178,15 @@ xfs_write_sync_logforce( * the shop, make sure that absolutely nothing persistent happens to * this filesystem after this point. */ - void xfs_do_force_shutdown( - bhv_desc_t *bdp, + xfs_mount_t *mp, int flags, char *fname, int lnnum) { int logerror; - xfs_mount_t *mp; - mp = XFS_BHVTOM(bdp); logerror = flags & SHUTDOWN_LOG_IO_ERROR; if (!(flags & SHUTDOWN_FORCE_UMOUNT)) { diff --git a/fs/xfs/xfs_rw.h b/fs/xfs/xfs_rw.h index fcf28dbded7..49875e1d129 100644 --- a/fs/xfs/xfs_rw.h +++ b/fs/xfs/xfs_rw.h @@ -23,32 +23,6 @@ struct xfs_inode; struct xfs_mount; /* - * Maximum count of bmaps used by read and write paths. - */ -#define XFS_MAX_RW_NBMAPS 4 - -/* - * Counts of readahead buffers to use based on physical memory size. - * None of these should be more than XFS_MAX_RW_NBMAPS. - */ -#define XFS_RW_NREADAHEAD_16MB 2 -#define XFS_RW_NREADAHEAD_32MB 3 -#define XFS_RW_NREADAHEAD_K32 4 -#define XFS_RW_NREADAHEAD_K64 4 - -/* - * Maximum size of a buffer that we\'ll map. Making this - * too big will degrade performance due to the number of - * pages which need to be gathered. Making it too small - * will prevent us from doing large I/O\'s to hardware that - * needs it. - * - * This is currently set to 512 KB. - */ -#define XFS_MAX_BMAP_LEN_BB 1024 -#define XFS_MAX_BMAP_LEN_BYTES 524288 - -/* * Convert the given file system block to a disk block. * We have to treat it differently based on whether the * file is a real time file or not, because the bmap code @@ -116,14 +90,6 @@ extern void xfs_ioerror_alert(char *func, struct xfs_mount *mp, /* * Prototypes for functions in xfs_vnodeops.c. */ -extern int xfs_rwlock(bhv_desc_t *bdp, bhv_vrwlock_t write_lock); -extern void xfs_rwunlock(bhv_desc_t *bdp, bhv_vrwlock_t write_lock); -extern int xfs_setattr(bhv_desc_t *, bhv_vattr_t *vap, int flags, - cred_t *credp); -extern int xfs_change_file_space(bhv_desc_t *bdp, int cmd, xfs_flock64_t *bf, - xfs_off_t offset, cred_t *credp, int flags); -extern int xfs_set_dmattrs(bhv_desc_t *bdp, u_int evmask, u_int16_t state, - cred_t *credp); extern int xfs_free_eofblocks(struct xfs_mount *mp, struct xfs_inode *ip, int flags); diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index ef42537a607..94660b1a6cc 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -87,8 +87,10 @@ struct xfs_mount; (XFS_SB_VERSION2_OKREALFBITS | \ XFS_SB_VERSION2_OKSASHFBITS ) -typedef struct xfs_sb -{ +/* + * Superblock - in core version. Must match the ondisk version below. + */ +typedef struct xfs_sb { __uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */ __uint32_t sb_blocksize; /* logical block size, bytes */ xfs_drfsbno_t sb_dblocks; /* number of data blocks */ @@ -146,6 +148,66 @@ typedef struct xfs_sb } xfs_sb_t; /* + * Superblock - on disk version. Must match the in core version below. + */ +typedef struct xfs_dsb { + __be32 sb_magicnum; /* magic number == XFS_SB_MAGIC */ + __be32 sb_blocksize; /* logical block size, bytes */ + __be64 sb_dblocks; /* number of data blocks */ + __be64 sb_rblocks; /* number of realtime blocks */ + __be64 sb_rextents; /* number of realtime extents */ + uuid_t sb_uuid; /* file system unique id */ + __be64 sb_logstart; /* starting block of log if internal */ + __be64 sb_rootino; /* root inode number */ + __be64 sb_rbmino; /* bitmap inode for realtime extents */ + __be64 sb_rsumino; /* summary inode for rt bitmap */ + __be32 sb_rextsize; /* realtime extent size, blocks */ + __be32 sb_agblocks; /* size of an allocation group */ + __be32 sb_agcount; /* number of allocation groups */ + __be32 sb_rbmblocks; /* number of rt bitmap blocks */ + __be32 sb_logblocks; /* number of log blocks */ + __be16 sb_versionnum; /* header version == XFS_SB_VERSION */ + __be16 sb_sectsize; /* volume sector size, bytes */ + __be16 sb_inodesize; /* inode size, bytes */ + __be16 sb_inopblock; /* inodes per block */ + char sb_fname[12]; /* file system name */ + __u8 sb_blocklog; /* log2 of sb_blocksize */ + __u8 sb_sectlog; /* log2 of sb_sectsize */ + __u8 sb_inodelog; /* log2 of sb_inodesize */ + __u8 sb_inopblog; /* log2 of sb_inopblock */ + __u8 sb_agblklog; /* log2 of sb_agblocks (rounded up) */ + __u8 sb_rextslog; /* log2 of sb_rextents */ + __u8 sb_inprogress; /* mkfs is in progress, don't mount */ + __u8 sb_imax_pct; /* max % of fs for inode space */ + /* statistics */ + /* + * These fields must remain contiguous. If you really + * want to change their layout, make sure you fix the + * code in xfs_trans_apply_sb_deltas(). + */ + __be64 sb_icount; /* allocated inodes */ + __be64 sb_ifree; /* free inodes */ + __be64 sb_fdblocks; /* free data blocks */ + __be64 sb_frextents; /* free realtime extents */ + /* + * End contiguous fields. + */ + __be64 sb_uquotino; /* user quota inode */ + __be64 sb_gquotino; /* group quota inode */ + __be16 sb_qflags; /* quota flags */ + __u8 sb_flags; /* misc. flags */ + __u8 sb_shared_vn; /* shared version number */ + __be32 sb_inoalignmt; /* inode chunk alignment, fsblocks */ + __be32 sb_unit; /* stripe or raid unit */ + __be32 sb_width; /* stripe or raid width */ + __u8 sb_dirblklog; /* log2 of dir block size (fsbs) */ + __u8 sb_logsectlog; /* log2 of the log sector size */ + __be16 sb_logsectsize; /* sector size for the log, bytes */ + __be32 sb_logsunit; /* stripe unit size for the log */ + __be32 sb_features2; /* additional feature bits */ +} xfs_dsb_t; + +/* * Sequence number values for the fields. */ typedef enum { @@ -446,7 +508,7 @@ static inline void xfs_sb_version_addattr2(xfs_sb_t *sbp) #define XFS_SB_DADDR ((xfs_daddr_t)0) /* daddr in filesystem/ag */ #define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR) -#define XFS_BUF_TO_SBP(bp) ((xfs_sb_t *)XFS_BUF_PTR(bp)) +#define XFS_BUF_TO_SBP(bp) ((xfs_dsb_t *)XFS_BUF_PTR(bp)) #define XFS_HDR_BLOCK(mp,d) ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d)) #define XFS_DADDR_TO_FSB(mp,d) XFS_AGB_TO_FSB(mp, \ diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 356d6627f58..8878322ee79 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -234,7 +234,7 @@ xfs_trans_alloc( xfs_mount_t *mp, uint type) { - vfs_wait_for_freeze(XFS_MTOVFS(mp), SB_FREEZE_TRANS); + xfs_wait_for_freeze(mp, SB_FREEZE_TRANS); return _xfs_trans_alloc(mp, type); } @@ -548,7 +548,7 @@ STATIC void xfs_trans_apply_sb_deltas( xfs_trans_t *tp) { - xfs_sb_t *sbp; + xfs_dsb_t *sbp; xfs_buf_t *bp; int whole = 0; @@ -566,57 +566,51 @@ xfs_trans_apply_sb_deltas( * Only update the superblock counters if we are logging them */ if (!xfs_sb_version_haslazysbcount(&(tp->t_mountp->m_sb))) { - if (tp->t_icount_delta != 0) { - INT_MOD(sbp->sb_icount, ARCH_CONVERT, tp->t_icount_delta); - } - if (tp->t_ifree_delta != 0) { - INT_MOD(sbp->sb_ifree, ARCH_CONVERT, tp->t_ifree_delta); - } - - if (tp->t_fdblocks_delta != 0) { - INT_MOD(sbp->sb_fdblocks, ARCH_CONVERT, tp->t_fdblocks_delta); - } - if (tp->t_res_fdblocks_delta != 0) { - INT_MOD(sbp->sb_fdblocks, ARCH_CONVERT, tp->t_res_fdblocks_delta); - } + if (tp->t_icount_delta) + be64_add(&sbp->sb_icount, tp->t_icount_delta); + if (tp->t_ifree_delta) + be64_add(&sbp->sb_ifree, tp->t_ifree_delta); + if (tp->t_fdblocks_delta) + be64_add(&sbp->sb_fdblocks, tp->t_fdblocks_delta); + if (tp->t_res_fdblocks_delta) + be64_add(&sbp->sb_fdblocks, tp->t_res_fdblocks_delta); } - if (tp->t_frextents_delta != 0) { - INT_MOD(sbp->sb_frextents, ARCH_CONVERT, tp->t_frextents_delta); - } - if (tp->t_res_frextents_delta != 0) { - INT_MOD(sbp->sb_frextents, ARCH_CONVERT, tp->t_res_frextents_delta); - } - if (tp->t_dblocks_delta != 0) { - INT_MOD(sbp->sb_dblocks, ARCH_CONVERT, tp->t_dblocks_delta); + if (tp->t_frextents_delta) + be64_add(&sbp->sb_frextents, tp->t_frextents_delta); + if (tp->t_res_frextents_delta) + be64_add(&sbp->sb_frextents, tp->t_res_frextents_delta); + + if (tp->t_dblocks_delta) { + be64_add(&sbp->sb_dblocks, tp->t_dblocks_delta); whole = 1; } - if (tp->t_agcount_delta != 0) { - INT_MOD(sbp->sb_agcount, ARCH_CONVERT, tp->t_agcount_delta); + if (tp->t_agcount_delta) { + be32_add(&sbp->sb_agcount, tp->t_agcount_delta); whole = 1; } - if (tp->t_imaxpct_delta != 0) { - INT_MOD(sbp->sb_imax_pct, ARCH_CONVERT, tp->t_imaxpct_delta); + if (tp->t_imaxpct_delta) { + sbp->sb_imax_pct += tp->t_imaxpct_delta; whole = 1; } - if (tp->t_rextsize_delta != 0) { - INT_MOD(sbp->sb_rextsize, ARCH_CONVERT, tp->t_rextsize_delta); + if (tp->t_rextsize_delta) { + be32_add(&sbp->sb_rextsize, tp->t_rextsize_delta); whole = 1; } - if (tp->t_rbmblocks_delta != 0) { - INT_MOD(sbp->sb_rbmblocks, ARCH_CONVERT, tp->t_rbmblocks_delta); + if (tp->t_rbmblocks_delta) { + be32_add(&sbp->sb_rbmblocks, tp->t_rbmblocks_delta); whole = 1; } - if (tp->t_rblocks_delta != 0) { - INT_MOD(sbp->sb_rblocks, ARCH_CONVERT, tp->t_rblocks_delta); + if (tp->t_rblocks_delta) { + be64_add(&sbp->sb_rblocks, tp->t_rblocks_delta); whole = 1; } - if (tp->t_rextents_delta != 0) { - INT_MOD(sbp->sb_rextents, ARCH_CONVERT, tp->t_rextents_delta); + if (tp->t_rextents_delta) { + be64_add(&sbp->sb_rextents, tp->t_rextents_delta); whole = 1; } - if (tp->t_rextslog_delta != 0) { - INT_MOD(sbp->sb_rextslog, ARCH_CONVERT, tp->t_rextslog_delta); + if (tp->t_rextslog_delta) { + sbp->sb_rextslog += tp->t_rextslog_delta; whole = 1; } @@ -624,17 +618,17 @@ xfs_trans_apply_sb_deltas( /* * Log the whole thing, the fields are noncontiguous. */ - xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_sb_t) - 1); + xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_dsb_t) - 1); else /* * Since all the modifiable fields are contiguous, we * can get away with this. */ - xfs_trans_log_buf(tp, bp, offsetof(xfs_sb_t, sb_icount), - offsetof(xfs_sb_t, sb_frextents) + + xfs_trans_log_buf(tp, bp, offsetof(xfs_dsb_t, sb_icount), + offsetof(xfs_dsb_t, sb_frextents) + sizeof(sbp->sb_frextents) - 1); - XFS_MTOVFS(tp->t_mountp)->vfs_super->s_dirt = 1; + tp->t_mountp->m_super->s_dirt = 1; } /* diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index ceb4f6e9996..5b2ff59f19c 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c index b290270dd4a..27cce2a9c7e 100644 --- a/fs/xfs/xfs_trans_extfree.c +++ b/fs/xfs/xfs_trans_extfree.c @@ -22,6 +22,7 @@ #include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index 104f64a9879..5c89be47546 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -151,18 +151,6 @@ typedef __uint8_t xfs_arch_t; /* architecture of an xfs fs */ */ #define MAXNAMELEN 256 -typedef struct xfs_dirent { /* data from readdir() */ - xfs_ino_t d_ino; /* inode number of entry */ - xfs_off_t d_off; /* offset of disk directory entry */ - unsigned short d_reclen; /* length of this record */ - char d_name[1]; /* name of file */ -} xfs_dirent_t; - -#define DIRENTBASESIZE (((xfs_dirent_t *)0)->d_name - (char *)0) -#define DIRENTSIZE(namelen) \ - ((DIRENTBASESIZE + (namelen) + \ - sizeof(xfs_off_t)) & ~(sizeof(xfs_off_t) - 1)) - typedef enum { XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi } xfs_lookup_t; diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 20ffec308e1..673b405eaa3 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -65,20 +65,15 @@ xfs_get_dir_entry( int xfs_dir_lookup_int( - bhv_desc_t *dir_bdp, + xfs_inode_t *dp, uint lock_mode, bhv_vname_t *dentry, xfs_ino_t *inum, xfs_inode_t **ipp) { - bhv_vnode_t *dir_vp; - xfs_inode_t *dp; int error; - dir_vp = BHV_TO_VNODE(dir_bdp); - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); - - dp = XFS_BHVTOI(dir_bdp); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum); if (!error) { diff --git a/fs/xfs/xfs_utils.h b/fs/xfs/xfs_utils.h index fe953e98afa..a00b26d8840 100644 --- a/fs/xfs/xfs_utils.h +++ b/fs/xfs/xfs_utils.h @@ -20,13 +20,11 @@ #define IRELE(ip) VN_RELE(XFS_ITOV(ip)) #define IHOLD(ip) VN_HOLD(XFS_ITOV(ip)) -#define ITRACE(ip) vn_trace_ref(XFS_ITOV(ip), __FILE__, __LINE__, \ +#define ITRACE(ip) vn_trace_ref(ip, __FILE__, __LINE__, \ (inst_t *)__return_address) -extern int xfs_rename (bhv_desc_t *, bhv_vname_t *, bhv_vnode_t *, - bhv_vname_t *, cred_t *); extern int xfs_get_dir_entry (bhv_vname_t *, xfs_inode_t **); -extern int xfs_dir_lookup_int (bhv_desc_t *, uint, bhv_vname_t *, xfs_ino_t *, +extern int xfs_dir_lookup_int (xfs_inode_t *, uint, bhv_vname_t *, xfs_ino_t *, xfs_inode_t **); extern int xfs_truncate_file (xfs_mount_t *, xfs_inode_t *); extern int xfs_dir_ialloc (xfs_trans_t **, xfs_inode_t *, mode_t, xfs_nlink_t, diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 11f5ea29a03..a5a8454f2a6 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -54,8 +54,9 @@ #include "xfs_mru_cache.h" #include "xfs_filestream.h" #include "xfs_fsops.h" +#include "xfs_vnodeops.h" +#include "xfs_vfsops.h" -STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); int xfs_init(void) @@ -117,8 +118,8 @@ xfs_init(void) xfs_ili_zone = kmem_zone_init_flags(sizeof(xfs_inode_log_item_t), "xfs_ili", KM_ZONE_SPREAD, NULL); - xfs_chashlist_zone = - kmem_zone_init_flags(sizeof(xfs_chashlist_t), "xfs_chashlist", + xfs_icluster_zone = + kmem_zone_init_flags(sizeof(xfs_icluster_t), "xfs_icluster", KM_ZONE_SPREAD, NULL); /* @@ -163,7 +164,7 @@ xfs_cleanup(void) extern kmem_zone_t *xfs_efd_zone; extern kmem_zone_t *xfs_efi_zone; extern kmem_zone_t *xfs_buf_item_zone; - extern kmem_zone_t *xfs_chashlist_zone; + extern kmem_zone_t *xfs_icluster_zone; xfs_cleanup_procfs(); xfs_sysctl_unregister(); @@ -199,7 +200,7 @@ xfs_cleanup(void) kmem_zone_destroy(xfs_efi_zone); kmem_zone_destroy(xfs_ifork_zone); kmem_zone_destroy(xfs_ili_zone); - kmem_zone_destroy(xfs_chashlist_zone); + kmem_zone_destroy(xfs_icluster_zone); } /* @@ -210,7 +211,6 @@ xfs_cleanup(void) */ STATIC int xfs_start_flags( - struct bhv_vfs *vfs, struct xfs_mount_args *ap, struct xfs_mount *mp) { @@ -238,17 +238,14 @@ xfs_start_flags( mp->m_logbufs = ap->logbufs; if (ap->logbufsize != -1 && ap->logbufsize != 0 && - ap->logbufsize != 16 * 1024 && - ap->logbufsize != 32 * 1024 && - ap->logbufsize != 64 * 1024 && - ap->logbufsize != 128 * 1024 && - ap->logbufsize != 256 * 1024) { + (ap->logbufsize < XLOG_MIN_RECORD_BSIZE || + ap->logbufsize > XLOG_MAX_RECORD_BSIZE || + !is_power_of_2(ap->logbufsize))) { cmn_err(CE_WARN, "XFS: invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]", ap->logbufsize); return XFS_ERROR(EINVAL); } - mp->m_ihsize = ap->ihashsize; mp->m_logbsize = ap->logbufsize; mp->m_fsname_len = strlen(ap->fsname) + 1; mp->m_fsname = kmem_alloc(mp->m_fsname_len, KM_SLEEP); @@ -295,8 +292,6 @@ xfs_start_flags( mp->m_readio_log = mp->m_writeio_log = ap->iosizelog; } - if (ap->flags & XFSMNT_IHASHSIZE) - mp->m_flags |= XFS_MOUNT_IHASHSIZE; if (ap->flags & XFSMNT_IDELETE) mp->m_flags |= XFS_MOUNT_IDELETE; if (ap->flags & XFSMNT_DIRSYNC) @@ -311,7 +306,7 @@ xfs_start_flags( * no recovery flag requires a read-only mount */ if (ap->flags & XFSMNT_NORECOVERY) { - if (!(vfs->vfs_flag & VFS_RDONLY)) { + if (!(mp->m_flags & XFS_MOUNT_RDONLY)) { cmn_err(CE_WARN, "XFS: tried to mount a FS read-write without recovery!"); return XFS_ERROR(EINVAL); @@ -329,6 +324,8 @@ xfs_start_flags( if (ap->flags2 & XFSMNT2_FILESTREAMS) mp->m_flags |= XFS_MOUNT_FILESTREAMS; + if (ap->flags & XFSMNT_DMAPI) + mp->m_flags |= XFS_MOUNT_DMAPI; return 0; } @@ -338,11 +335,10 @@ xfs_start_flags( */ STATIC int xfs_finish_flags( - struct bhv_vfs *vfs, struct xfs_mount_args *ap, struct xfs_mount *mp) { - int ronly = (vfs->vfs_flag & VFS_RDONLY); + int ronly = (mp->m_flags & XFS_MOUNT_RDONLY); /* Fail a mount where the logbuf is smaller then the log stripe */ if (XFS_SB_VERSION_HASLOGV2(&mp->m_sb)) { @@ -403,6 +399,22 @@ xfs_finish_flags( return XFS_ERROR(EINVAL); } + if (ap->flags & XFSMNT_UQUOTA) { + mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE); + if (ap->flags & XFSMNT_UQUOTAENF) + mp->m_qflags |= XFS_UQUOTA_ENFD; + } + + if (ap->flags & XFSMNT_GQUOTA) { + mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE); + if (ap->flags & XFSMNT_GQUOTAENF) + mp->m_qflags |= XFS_OQUOTA_ENFD; + } else if (ap->flags & XFSMNT_PQUOTA) { + mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE); + if (ap->flags & XFSMNT_PQUOTAENF) + mp->m_qflags |= XFS_OQUOTA_ENFD; + } + return 0; } @@ -418,30 +430,26 @@ xfs_finish_flags( * they are present. The data subvolume has already been opened by * get_sb_bdev() and is stored in vfsp->vfs_super->s_bdev. */ -STATIC int +int xfs_mount( - struct bhv_desc *bhvp, + struct xfs_mount *mp, struct xfs_mount_args *args, cred_t *credp) { - struct bhv_vfs *vfsp = bhvtovfs(bhvp); - struct bhv_desc *p; - struct xfs_mount *mp = XFS_BHVTOM(bhvp); struct block_device *ddev, *logdev, *rtdev; int flags = 0, error; - ddev = vfsp->vfs_super->s_bdev; + ddev = mp->m_super->s_bdev; logdev = rtdev = NULL; - /* - * Setup xfs_mount function vectors from available behaviors - */ - p = vfs_bhv_lookup(vfsp, VFS_POSITION_DM); - mp->m_dm_ops = p ? *(xfs_dmops_t *) vfs_bhv_custom(p) : xfs_dmcore_stub; - p = vfs_bhv_lookup(vfsp, VFS_POSITION_QM); - mp->m_qm_ops = p ? *(xfs_qmops_t *) vfs_bhv_custom(p) : xfs_qmcore_stub; - p = vfs_bhv_lookup(vfsp, VFS_POSITION_IO); - mp->m_io_ops = p ? *(xfs_ioops_t *) vfs_bhv_custom(p) : xfs_iocore_xfs; + error = xfs_dmops_get(mp, args); + if (error) + return error; + error = xfs_qmops_get(mp, args); + if (error) + return error; + + mp->m_io_ops = xfs_iocore_xfs; if (args->flags & XFSMNT_QUIET) flags |= XFS_MFSI_QUIET; @@ -482,24 +490,30 @@ xfs_mount( } if (rtdev) { mp->m_rtdev_targp = xfs_alloc_buftarg(rtdev, 1); - if (!mp->m_rtdev_targp) + if (!mp->m_rtdev_targp) { + xfs_blkdev_put(logdev); + xfs_blkdev_put(rtdev); goto error0; + } } mp->m_logdev_targp = (logdev && logdev != ddev) ? xfs_alloc_buftarg(logdev, 1) : mp->m_ddev_targp; - if (!mp->m_logdev_targp) + if (!mp->m_logdev_targp) { + xfs_blkdev_put(logdev); + xfs_blkdev_put(rtdev); goto error0; + } /* * Setup flags based on mount(2) options and then the superblock */ - error = xfs_start_flags(vfsp, args, mp); + error = xfs_start_flags(args, mp); if (error) goto error1; error = xfs_readsb(mp, flags); if (error) goto error1; - error = xfs_finish_flags(vfsp, args, mp); + error = xfs_finish_flags(args, mp); if (error) goto error2; @@ -530,10 +544,12 @@ xfs_mount( if ((error = xfs_filestream_mount(mp))) goto error2; - error = XFS_IOINIT(vfsp, args, flags); + error = XFS_IOINIT(mp, args, flags); if (error) goto error2; + XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname); + return 0; error2: @@ -547,17 +563,17 @@ error1: xfs_binval(mp->m_rtdev_targp); error0: xfs_unmountfs_close(mp, credp); + xfs_qmops_put(mp); + xfs_dmops_put(mp); return error; } -STATIC int +int xfs_unmount( - bhv_desc_t *bdp, + xfs_mount_t *mp, int flags, cred_t *credp) { - bhv_vfs_t *vfsp = bhvtovfs(bdp); - xfs_mount_t *mp = XFS_BHVTOM(bdp); xfs_inode_t *rip; bhv_vnode_t *rvp; int unmount_event_wanted = 0; @@ -568,8 +584,9 @@ xfs_unmount( rip = mp->m_rootip; rvp = XFS_ITOV(rip); - if (vfsp->vfs_flag & VFS_DMI) { - error = XFS_SEND_PREUNMOUNT(mp, vfsp, +#ifdef HAVE_DMAPI + if (mp->m_flags & XFS_MOUNT_DMAPI) { + error = XFS_SEND_PREUNMOUNT(mp, rvp, DM_RIGHT_NULL, rvp, DM_RIGHT_NULL, NULL, NULL, 0, 0, (mp->m_dmevmask & (1<<DM_EVENT_PREUNMOUNT))? @@ -580,7 +597,7 @@ xfs_unmount( unmount_event_flags = (mp->m_dmevmask & (1<<DM_EVENT_UNMOUNT))? 0 : DM_FLAGS_UNWANTED; } - +#endif /* * First blow any referenced inode from this file system * out of the reference cache, and delete the timer. @@ -612,8 +629,7 @@ xfs_unmount( * referenced vnodes as well. */ if (XFS_FORCED_SHUTDOWN(mp)) { - error = xfs_sync(&mp->m_bhv, - (SYNC_WAIT | SYNC_CLOSE), credp); + error = xfs_sync(mp, SYNC_WAIT | SYNC_CLOSE); ASSERT(error != EFSCORRUPTED); } xfs_unmountfs_needed = 1; @@ -627,7 +643,7 @@ out: /* Note: mp structure must still exist for * XFS_SEND_UNMOUNT() call. */ - XFS_SEND_UNMOUNT(mp, vfsp, error == 0 ? rvp : NULL, + XFS_SEND_UNMOUNT(mp, error == 0 ? rvp : NULL, DM_RIGHT_NULL, 0, error, unmount_event_flags); } if (xfs_unmountfs_needed) { @@ -636,6 +652,9 @@ out: * and free the super block buffer & mount structures. */ xfs_unmountfs(mp, credp); + xfs_qmops_put(mp); + xfs_dmops_put(mp); + kmem_free(mp, sizeof(xfs_mount_t)); } return XFS_ERROR(error); @@ -694,29 +713,26 @@ xfs_attr_quiesce( xfs_unmountfs_writesb(mp); } -STATIC int +int xfs_mntupdate( - bhv_desc_t *bdp, + struct xfs_mount *mp, int *flags, struct xfs_mount_args *args) { - bhv_vfs_t *vfsp = bhvtovfs(bdp); - xfs_mount_t *mp = XFS_BHVTOM(bdp); - if (!(*flags & MS_RDONLY)) { /* rw/ro -> rw */ - if (vfsp->vfs_flag & VFS_RDONLY) - vfsp->vfs_flag &= ~VFS_RDONLY; + if (mp->m_flags & XFS_MOUNT_RDONLY) + mp->m_flags &= ~XFS_MOUNT_RDONLY; if (args->flags & XFSMNT_BARRIER) { mp->m_flags |= XFS_MOUNT_BARRIER; xfs_mountfs_check_barriers(mp); } else { mp->m_flags &= ~XFS_MOUNT_BARRIER; } - } else if (!(vfsp->vfs_flag & VFS_RDONLY)) { /* rw -> ro */ + } else if (!(mp->m_flags & XFS_MOUNT_RDONLY)) { /* rw -> ro */ xfs_filestream_flush(mp); - bhv_vfs_sync(vfsp, SYNC_DATA_QUIESCE, NULL); + xfs_sync(mp, SYNC_DATA_QUIESCE); xfs_attr_quiesce(mp); - vfsp->vfs_flag |= VFS_RDONLY; + mp->m_flags |= XFS_MOUNT_RDONLY; } return 0; } @@ -811,14 +827,14 @@ fscorrupt_out2: * vpp -- address of the caller's vnode pointer which should be * set to the desired fs root vnode */ -STATIC int +int xfs_root( - bhv_desc_t *bdp, + xfs_mount_t *mp, bhv_vnode_t **vpp) { bhv_vnode_t *vp; - vp = XFS_ITOV((XFS_BHVTOM(bdp))->m_rootip); + vp = XFS_ITOV(mp->m_rootip); VN_HOLD(vp); *vpp = vp; return 0; @@ -831,19 +847,17 @@ xfs_root( * the superblock lock in the mount structure to ensure a consistent * snapshot of the counters returned. */ -STATIC int +int xfs_statvfs( - bhv_desc_t *bdp, + xfs_mount_t *mp, bhv_statvfs_t *statp, bhv_vnode_t *vp) { __uint64_t fakeinos; xfs_extlen_t lsize; - xfs_mount_t *mp; xfs_sb_t *sbp; unsigned long s; - mp = XFS_BHVTOM(bdp); sbp = &(mp->m_sb); statp->f_type = XFS_SB_MAGIC; @@ -874,6 +888,8 @@ xfs_statvfs( xfs_statvfs_fsid(statp, mp); statp->f_namelen = MAXNAMELEN - 1; + if (vp) + XFS_QM_DQSTATVFS(xfs_vtoi(vp), statp); return 0; } @@ -920,14 +936,30 @@ xfs_statvfs( * filesystem. * */ -/*ARGSUSED*/ -STATIC int +int xfs_sync( - bhv_desc_t *bdp, - int flags, - cred_t *credp) + xfs_mount_t *mp, + int flags) { - xfs_mount_t *mp = XFS_BHVTOM(bdp); + int error; + + /* + * Get the Quota Manager to flush the dquots. + * + * If XFS quota support is not enabled or this filesystem + * instance does not use quotas XFS_QM_DQSYNC will always + * return zero. + */ + error = XFS_QM_DQSYNC(mp, flags); + if (error) { + /* + * If we got an IO error, we will be shutting down. + * So, there's nothing more for us to do here. + */ + ASSERT(error != EIO || XFS_FORCED_SHUTDOWN(mp)); + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(error); + } if (flags & SYNC_IOWAIT) xfs_filestream_flush(mp); @@ -1015,7 +1047,7 @@ xfs_sync_inodes( if (bypassed) *bypassed = 0; - if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return 0; error = 0; last_error = 0; @@ -1189,12 +1221,13 @@ xfs_sync_inodes( if (flags & SYNC_CLOSE) { /* Shutdown case. Flush and invalidate. */ if (XFS_FORCED_SHUTDOWN(mp)) - bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF); + xfs_tosspages(ip, 0, -1, + FI_REMAPF); else - error = bhv_vop_flushinval_pages(vp, 0, - -1, FI_REMAPF); + error = xfs_flushinval_pages(ip, + 0, -1, FI_REMAPF); } else if ((flags & SYNC_DELWRI) && VN_DIRTY(vp)) { - error = bhv_vop_flush_pages(vp, (xfs_off_t)0, + error = xfs_flush_pages(ip, 0, -1, fflag, FI_NONE); } @@ -1204,7 +1237,7 @@ xfs_sync_inodes( * place after this point */ if (flags & SYNC_IOWAIT) - vn_iowait(vp); + vn_iowait(ip); xfs_ilock(ip, XFS_ILOCK_SHARED); } @@ -1598,13 +1631,12 @@ xfs_syncsub( /* * xfs_vget - called by DMAPI and NFSD to get vnode from file handle */ -STATIC int +int xfs_vget( - bhv_desc_t *bdp, + xfs_mount_t *mp, bhv_vnode_t **vpp, fid_t *fidp) { - xfs_mount_t *mp = XFS_BHVTOM(bdp); xfs_fid_t *xfid = (struct xfs_fid *)fidp; xfs_inode_t *ip; int error; @@ -1668,7 +1700,6 @@ xfs_vget( #define MNTOPT_BSDGROUPS "bsdgroups" /* group-ID from parent directory */ #define MNTOPT_SYSVGROUPS "sysvgroups" /* group-ID from current process */ #define MNTOPT_ALLOCSIZE "allocsize" /* preferred allocation size */ -#define MNTOPT_IHASHSIZE "ihashsize" /* size of inode hash table */ #define MNTOPT_NORECOVERY "norecovery" /* don't run XFS recovery */ #define MNTOPT_BARRIER "barrier" /* use writer barriers for log write and * unwritten extent conversion */ @@ -1683,6 +1714,21 @@ xfs_vget( #define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */ #define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */ #define MNTOPT_FILESTREAM "filestreams" /* use filestreams allocator */ +#define MNTOPT_QUOTA "quota" /* disk quotas (user) */ +#define MNTOPT_NOQUOTA "noquota" /* no quotas */ +#define MNTOPT_USRQUOTA "usrquota" /* user quota enabled */ +#define MNTOPT_GRPQUOTA "grpquota" /* group quota enabled */ +#define MNTOPT_PRJQUOTA "prjquota" /* project quota enabled */ +#define MNTOPT_UQUOTA "uquota" /* user quota (IRIX variant) */ +#define MNTOPT_GQUOTA "gquota" /* group quota (IRIX variant) */ +#define MNTOPT_PQUOTA "pquota" /* project quota (IRIX variant) */ +#define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */ +#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */ +#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */ +#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */ +#define MNTOPT_DMAPI "dmapi" /* DMI enabled (DMAPI / XDSM) */ +#define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */ +#define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */ STATIC unsigned long suffix_strtoul(char *s, char **endp, unsigned int base) @@ -1707,19 +1753,18 @@ suffix_strtoul(char *s, char **endp, unsigned int base) return simple_strtoul((const char *)s, endp, base) << shift_left_factor; } -STATIC int +int xfs_parseargs( - struct bhv_desc *bhv, + struct xfs_mount *mp, char *options, struct xfs_mount_args *args, int update) { - bhv_vfs_t *vfsp = bhvtovfs(bhv); char *this_char, *value, *eov; int dsunit, dswidth, vol_dsunit, vol_dswidth; int iosize; + int ikeep = 0; - args->flags |= XFSMNT_IDELETE; args->flags |= XFSMNT_BARRIER; args->flags2 |= XFSMNT2_COMPAT_IOSIZE; @@ -1794,21 +1839,12 @@ xfs_parseargs( iosize = suffix_strtoul(value, &eov, 10); args->flags |= XFSMNT_IOSIZE; args->iosizelog = ffs(iosize) - 1; - } else if (!strcmp(this_char, MNTOPT_IHASHSIZE)) { - if (!value || !*value) { - cmn_err(CE_WARN, - "XFS: %s option requires an argument", - this_char); - return EINVAL; - } - args->flags |= XFSMNT_IHASHSIZE; - args->ihashsize = simple_strtoul(value, &eov, 10); } else if (!strcmp(this_char, MNTOPT_GRPID) || !strcmp(this_char, MNTOPT_BSDGROUPS)) { - vfsp->vfs_flag |= VFS_GRPID; + mp->m_flags |= XFS_MOUNT_GRPID; } else if (!strcmp(this_char, MNTOPT_NOGRPID) || !strcmp(this_char, MNTOPT_SYSVGROUPS)) { - vfsp->vfs_flag &= ~VFS_GRPID; + mp->m_flags &= ~XFS_MOUNT_GRPID; } else if (!strcmp(this_char, MNTOPT_WSYNC)) { args->flags |= XFSMNT_WSYNC; } else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) { @@ -1858,6 +1894,7 @@ xfs_parseargs( } else if (!strcmp(this_char, MNTOPT_NOBARRIER)) { args->flags &= ~XFSMNT_BARRIER; } else if (!strcmp(this_char, MNTOPT_IKEEP)) { + ikeep = 1; args->flags &= ~XFSMNT_IDELETE; } else if (!strcmp(this_char, MNTOPT_NOIKEEP)) { args->flags |= XFSMNT_IDELETE; @@ -1871,6 +1908,38 @@ xfs_parseargs( args->flags &= ~XFSMNT_ATTR2; } else if (!strcmp(this_char, MNTOPT_FILESTREAM)) { args->flags2 |= XFSMNT2_FILESTREAMS; + } else if (!strcmp(this_char, MNTOPT_NOQUOTA)) { + args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA); + args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA); + } else if (!strcmp(this_char, MNTOPT_QUOTA) || + !strcmp(this_char, MNTOPT_UQUOTA) || + !strcmp(this_char, MNTOPT_USRQUOTA)) { + args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_QUOTANOENF) || + !strcmp(this_char, MNTOPT_UQUOTANOENF)) { + args->flags |= XFSMNT_UQUOTA; + args->flags &= ~XFSMNT_UQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_PQUOTA) || + !strcmp(this_char, MNTOPT_PRJQUOTA)) { + args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) { + args->flags |= XFSMNT_PQUOTA; + args->flags &= ~XFSMNT_PQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_GQUOTA) || + !strcmp(this_char, MNTOPT_GRPQUOTA)) { + args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) { + args->flags |= XFSMNT_GQUOTA; + args->flags &= ~XFSMNT_GQUOTAENF; + } else if (!strcmp(this_char, MNTOPT_DMAPI)) { + args->flags |= XFSMNT_DMAPI; + } else if (!strcmp(this_char, MNTOPT_XDSM)) { + args->flags |= XFSMNT_DMAPI; + } else if (!strcmp(this_char, MNTOPT_DMI)) { + args->flags |= XFSMNT_DMAPI; + } else if (!strcmp(this_char, "ihashsize")) { + cmn_err(CE_WARN, + "XFS: ihashsize no longer used, option is deprecated."); } else if (!strcmp(this_char, "osyncisdsync")) { /* no-op, this is now the default */ cmn_err(CE_WARN, @@ -1886,7 +1955,7 @@ xfs_parseargs( } if (args->flags & XFSMNT_NORECOVERY) { - if ((vfsp->vfs_flag & VFS_RDONLY) == 0) { + if ((mp->m_flags & XFS_MOUNT_RDONLY) == 0) { cmn_err(CE_WARN, "XFS: no-recovery mounts must be read-only."); return EINVAL; @@ -1899,6 +1968,18 @@ xfs_parseargs( return EINVAL; } + if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) { + cmn_err(CE_WARN, + "XFS: cannot mount with both project and group quota"); + return EINVAL; + } + + if ((args->flags & XFSMNT_DMAPI) && *args->mtpt == '\0') { + printk("XFS: %s option needs the mount point option as well\n", + MNTOPT_DMAPI); + return EINVAL; + } + if ((dsunit && !dswidth) || (!dsunit && dswidth)) { cmn_err(CE_WARN, "XFS: sunit and swidth must be specified together"); @@ -1912,6 +1993,18 @@ xfs_parseargs( return EINVAL; } + /* + * Applications using DMI filesystems often expect the + * inode generation number to be monotonically increasing. + * If we delete inode chunks we break this assumption, so + * keep unused inode chunks on disk for DMI filesystems + * until we come up with a better solution. + * Note that if "ikeep" or "noikeep" mount options are + * supplied, then they are honored. + */ + if (!(args->flags & XFSMNT_DMAPI) && !ikeep) + args->flags |= XFSMNT_IDELETE; + if ((args->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) { if (dsunit) { args->sunit = dsunit; @@ -1927,15 +2020,15 @@ xfs_parseargs( done: if (args->flags & XFSMNT_32BITINODES) - vfsp->vfs_flag |= VFS_32BITINODES; + mp->m_flags |= XFS_MOUNT_SMALL_INUMS; if (args->flags2) args->flags |= XFSMNT_FLAGS2; return 0; } -STATIC int +int xfs_showargs( - struct bhv_desc *bhv, + struct xfs_mount *mp, struct seq_file *m) { static struct proc_xfs_info { @@ -1953,17 +2046,12 @@ xfs_showargs( { 0, NULL } }; struct proc_xfs_info *xfs_infop; - struct xfs_mount *mp = XFS_BHVTOM(bhv); - struct bhv_vfs *vfsp = XFS_MTOVFS(mp); for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) { if (mp->m_flags & xfs_infop->flag) seq_puts(m, xfs_infop->str); } - if (mp->m_flags & XFS_MOUNT_IHASHSIZE) - seq_printf(m, "," MNTOPT_IHASHSIZE "=%d", (int)mp->m_ihsize); - if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk", (int)(1 << mp->m_writeio_log) >> 10); @@ -1990,11 +2078,37 @@ xfs_showargs( if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE)) seq_printf(m, "," MNTOPT_LARGEIO); - if (!(vfsp->vfs_flag & VFS_32BITINODES)) + if (!(mp->m_flags & XFS_MOUNT_SMALL_INUMS)) seq_printf(m, "," MNTOPT_64BITINODE); - if (vfsp->vfs_flag & VFS_GRPID) + if (mp->m_flags & XFS_MOUNT_GRPID) seq_printf(m, "," MNTOPT_GRPID); + if (mp->m_qflags & XFS_UQUOTA_ACCT) { + if (mp->m_qflags & XFS_UQUOTA_ENFD) + seq_puts(m, "," MNTOPT_USRQUOTA); + else + seq_puts(m, "," MNTOPT_UQUOTANOENF); + } + + if (mp->m_qflags & XFS_PQUOTA_ACCT) { + if (mp->m_qflags & XFS_OQUOTA_ENFD) + seq_puts(m, "," MNTOPT_PRJQUOTA); + else + seq_puts(m, "," MNTOPT_PQUOTANOENF); + } + + if (mp->m_qflags & XFS_GQUOTA_ACCT) { + if (mp->m_qflags & XFS_OQUOTA_ENFD) + seq_puts(m, "," MNTOPT_GRPQUOTA); + else + seq_puts(m, "," MNTOPT_GQUOTANOENF); + } + + if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT)) + seq_puts(m, "," MNTOPT_NOQUOTA); + + if (mp->m_flags & XFS_MOUNT_DMAPI) + seq_puts(m, "," MNTOPT_DMAPI); return 0; } @@ -2003,31 +2117,10 @@ xfs_showargs( * need to take care of themetadata. Once that's done write a dummy * record to dirty the log in case of a crash while frozen. */ -STATIC void +void xfs_freeze( - bhv_desc_t *bdp) + xfs_mount_t *mp) { - xfs_mount_t *mp = XFS_BHVTOM(bdp); - xfs_attr_quiesce(mp); xfs_fs_log_dummy(mp); } - - -bhv_vfsops_t xfs_vfsops = { - BHV_IDENTITY_INIT(VFS_BHV_XFS,VFS_POSITION_XFS), - .vfs_parseargs = xfs_parseargs, - .vfs_showargs = xfs_showargs, - .vfs_mount = xfs_mount, - .vfs_unmount = xfs_unmount, - .vfs_mntupdate = xfs_mntupdate, - .vfs_root = xfs_root, - .vfs_statvfs = xfs_statvfs, - .vfs_sync = xfs_sync, - .vfs_vget = xfs_vget, - .vfs_dmapiops = (vfs_dmapiops_t)fs_nosys, - .vfs_quotactl = (vfs_quotactl_t)fs_nosys, - .vfs_init_vnode = xfs_initialize_vnode, - .vfs_force_shutdown = xfs_do_force_shutdown, - .vfs_freeze = xfs_freeze, -}; diff --git a/fs/xfs/xfs_vfsops.h b/fs/xfs/xfs_vfsops.h new file mode 100644 index 00000000000..bc99e3eb7db --- /dev/null +++ b/fs/xfs/xfs_vfsops.h @@ -0,0 +1,28 @@ +#ifndef _XFS_VFSOPS_H +#define _XFS_VFSOPS_H 1 + +struct cred; +struct fid; +struct inode; +struct kstatfs; +struct xfs_mount; +struct xfs_mount_args; + +int xfs_mount(struct xfs_mount *mp, struct xfs_mount_args *args, + struct cred *credp); +int xfs_unmount(struct xfs_mount *mp, int flags, struct cred *credp); +int xfs_mntupdate(struct xfs_mount *mp, int *flags, + struct xfs_mount_args *args); +int xfs_root(struct xfs_mount *mp, bhv_vnode_t **vpp); +int xfs_statvfs(struct xfs_mount *mp, struct kstatfs *statp, + bhv_vnode_t *vp); +int xfs_sync(struct xfs_mount *mp, int flags); +int xfs_vget(struct xfs_mount *mp, bhv_vnode_t **vpp, struct fid *fidp); +int xfs_parseargs(struct xfs_mount *mp, char *options, + struct xfs_mount_args *args, int update); +int xfs_showargs(struct xfs_mount *mp, struct seq_file *m); +void xfs_freeze(struct xfs_mount *mp); +void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname, + int lnnum); + +#endif /* _XFS_VFSOPS_H */ diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 60345922990..5e3c57ca998 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -52,15 +52,13 @@ #include "xfs_trans_space.h" #include "xfs_log_priv.h" #include "xfs_filestream.h" +#include "xfs_vnodeops.h" -STATIC int +int xfs_open( - bhv_desc_t *bdp, - cred_t *credp) + xfs_inode_t *ip) { int mode; - bhv_vnode_t *vp = BHV_TO_VNODE(bdp); - xfs_inode_t *ip = XFS_BHVTOI(bdp); if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return XFS_ERROR(EIO); @@ -69,7 +67,7 @@ xfs_open( * If it's a directory with any blocks, read-ahead block 0 * as we're almost certain to have the next operation be a read there. */ - if (VN_ISDIR(vp) && ip->i_d.di_nextents > 0) { + if (S_ISDIR(ip->i_d.di_mode) && ip->i_d.di_nextents > 0) { mode = xfs_ilock_map_shared(ip); if (ip->i_d.di_nextents > 0) (void)xfs_da_reada_buf(NULL, ip, 0, XFS_DATA_FORK); @@ -81,22 +79,16 @@ xfs_open( /* * xfs_getattr */ -STATIC int +int xfs_getattr( - bhv_desc_t *bdp, + xfs_inode_t *ip, bhv_vattr_t *vap, - int flags, - cred_t *credp) + int flags) { - xfs_inode_t *ip; - xfs_mount_t *mp; - bhv_vnode_t *vp; - - vp = BHV_TO_VNODE(bdp); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + bhv_vnode_t *vp = XFS_ITOV(ip); + xfs_mount_t *mp = ip->i_mount; - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -215,14 +207,14 @@ xfs_getattr( */ int xfs_setattr( - bhv_desc_t *bdp, + xfs_inode_t *ip, bhv_vattr_t *vap, int flags, cred_t *credp) { - xfs_inode_t *ip; + bhv_vnode_t *vp = XFS_ITOV(ip); + xfs_mount_t *mp = ip->i_mount; xfs_trans_t *tp; - xfs_mount_t *mp; int mask; int code; uint lock_flags; @@ -230,17 +222,15 @@ xfs_setattr( uid_t uid=0, iuid=0; gid_t gid=0, igid=0; int timeflags = 0; - bhv_vnode_t *vp; xfs_prid_t projid=0, iprojid=0; int mandlock_before, mandlock_after; struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; int file_owner; int need_iolock = 1; - vp = BHV_TO_VNODE(bdp); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); - if (vp->v_vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return XFS_ERROR(EROFS); /* @@ -251,9 +241,6 @@ xfs_setattr( return XFS_ERROR(EINVAL); } - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; - if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -337,7 +324,7 @@ xfs_setattr( } } } else { - if (DM_EVENT_ENABLED (vp->v_vfsp, ip, DM_EVENT_TRUNCATE) && + if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) && !(flags & ATTR_DMI)) { int dmflags = AT_DELAY_FLAG(flags) | DM_SEM_FLAG_WR; code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, vp, @@ -605,13 +592,13 @@ xfs_setattr( if (!code && (ip->i_size != ip->i_d.di_size) && (vap->va_size > ip->i_d.di_size)) { - code = bhv_vop_flush_pages(XFS_ITOV(ip), + code = xfs_flush_pages(ip, ip->i_d.di_size, vap->va_size, XFS_B_ASYNC, FI_NONE); } /* wait for all I/O to complete */ - vn_iowait(vp); + vn_iowait(ip); if (!code) code = xfs_itruncate_data(ip, vap->va_size); @@ -673,7 +660,7 @@ xfs_setattr( * vnode and flush it when the file is closed, and * do not wait the usual (long) time for writeout. */ - VTRUNCATE(vp); + xfs_iflags_set(ip, XFS_ITRUNCATED); } /* * Have to do this even if the file's size doesn't change. @@ -877,10 +864,6 @@ xfs_setattr( * racing calls to vop_vnode_change. */ mandlock_after = MANDLOCK(vp, ip->i_d.di_mode); - if (mandlock_before != mandlock_after) { - bhv_vop_vnode_change(vp, VCHANGE_FLAGS_ENF_LOCKING, - mandlock_after); - } xfs_iunlock(ip, lock_flags); @@ -896,7 +879,7 @@ xfs_setattr( return code; } - if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_ATTRIBUTE) && + if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) && !(flags & ATTR_DMI)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, NULL, NULL, @@ -924,19 +907,16 @@ xfs_setattr( * xfs_access * Null conversion from vnode mode bits to inode mode bits, as in efs. */ -STATIC int +int xfs_access( - bhv_desc_t *bdp, + xfs_inode_t *ip, int mode, cred_t *credp) { - xfs_inode_t *ip; int error; - vn_trace_entry(BHV_TO_VNODE(bdp), __FUNCTION__, - (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); - ip = XFS_BHVTOI(bdp); xfs_ilock(ip, XFS_ILOCK_SHARED); error = xfs_iaccess(ip, mode, credp); xfs_iunlock(ip, XFS_ILOCK_SHARED); @@ -951,105 +931,88 @@ xfs_access( */ #define SYMLINK_MAPS 2 -/* - * xfs_readlink - * - */ STATIC int -xfs_readlink( - bhv_desc_t *bdp, - uio_t *uiop, - int ioflags, - cred_t *credp) +xfs_readlink_bmap( + xfs_inode_t *ip, + char *link) { - xfs_inode_t *ip; - int count; - xfs_off_t offset; - int pathlen; - bhv_vnode_t *vp; - int error = 0; - xfs_mount_t *mp; - int nmaps; + xfs_mount_t *mp = ip->i_mount; + int pathlen = ip->i_d.di_size; + int nmaps = SYMLINK_MAPS; xfs_bmbt_irec_t mval[SYMLINK_MAPS]; xfs_daddr_t d; int byte_cnt; int n; xfs_buf_t *bp; + int error = 0; - vp = BHV_TO_VNODE(bdp); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; + error = xfs_bmapi(NULL, ip, 0, XFS_B_TO_FSB(mp, pathlen), 0, NULL, 0, + mval, &nmaps, NULL, NULL); + if (error) + goto out; - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); + for (n = 0; n < nmaps; n++) { + d = XFS_FSB_TO_DADDR(mp, mval[n].br_startblock); + byte_cnt = XFS_FSB_TO_B(mp, mval[n].br_blockcount); - xfs_ilock(ip, XFS_ILOCK_SHARED); + bp = xfs_buf_read(mp->m_ddev_targp, d, BTOBB(byte_cnt), 0); + error = XFS_BUF_GETERROR(bp); + if (error) { + xfs_ioerror_alert("xfs_readlink", + ip->i_mount, bp, XFS_BUF_ADDR(bp)); + xfs_buf_relse(bp); + goto out; + } + if (pathlen < byte_cnt) + byte_cnt = pathlen; + pathlen -= byte_cnt; - ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFLNK); + memcpy(link, XFS_BUF_PTR(bp), byte_cnt); + xfs_buf_relse(bp); + } - offset = uiop->uio_offset; - count = uiop->uio_resid; + link[ip->i_d.di_size] = '\0'; + error = 0; - if (offset < 0) { - error = XFS_ERROR(EINVAL); - goto error_return; - } - if (count <= 0) { - error = 0; - goto error_return; - } + out: + return error; +} - /* - * See if the symlink is stored inline. - */ - pathlen = (int)ip->i_d.di_size; +int +xfs_readlink( + xfs_inode_t *ip, + char *link) +{ + xfs_mount_t *mp = ip->i_mount; + int pathlen; + int error = 0; - if (ip->i_df.if_flags & XFS_IFINLINE) { - error = xfs_uio_read(ip->i_df.if_u1.if_data, pathlen, uiop); - } - else { - /* - * Symlink not inline. Call bmap to get it in. - */ - nmaps = SYMLINK_MAPS; + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); - error = xfs_bmapi(NULL, ip, 0, XFS_B_TO_FSB(mp, pathlen), - 0, NULL, 0, mval, &nmaps, NULL, NULL); + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); - if (error) { - goto error_return; - } + xfs_ilock(ip, XFS_ILOCK_SHARED); - for (n = 0; n < nmaps; n++) { - d = XFS_FSB_TO_DADDR(mp, mval[n].br_startblock); - byte_cnt = XFS_FSB_TO_B(mp, mval[n].br_blockcount); - bp = xfs_buf_read(mp->m_ddev_targp, d, - BTOBB(byte_cnt), 0); - error = XFS_BUF_GETERROR(bp); - if (error) { - xfs_ioerror_alert("xfs_readlink", - ip->i_mount, bp, XFS_BUF_ADDR(bp)); - xfs_buf_relse(bp); - goto error_return; - } - if (pathlen < byte_cnt) - byte_cnt = pathlen; - pathlen -= byte_cnt; + ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFLNK); + ASSERT(ip->i_d.di_size <= MAXPATHLEN); - error = xfs_uio_read(XFS_BUF_PTR(bp), byte_cnt, uiop); - xfs_buf_relse (bp); - } + pathlen = ip->i_d.di_size; + if (!pathlen) + goto out; + if (ip->i_df.if_flags & XFS_IFINLINE) { + memcpy(link, ip->i_df.if_u1.if_data, pathlen); + link[pathlen] = '\0'; + } else { + error = xfs_readlink_bmap(ip, link); } -error_return: + out: xfs_iunlock(ip, XFS_ILOCK_SHARED); return error; } - /* * xfs_fsync * @@ -1059,23 +1022,18 @@ error_return: * be held while flushing the data, so acquire after we're done * with that. */ -STATIC int +int xfs_fsync( - bhv_desc_t *bdp, + xfs_inode_t *ip, int flag, - cred_t *credp, xfs_off_t start, xfs_off_t stop) { - xfs_inode_t *ip; xfs_trans_t *tp; int error; int log_flushed = 0, changed = 1; - vn_trace_entry(BHV_TO_VNODE(bdp), - __FUNCTION__, (inst_t *)__return_address); - - ip = XFS_BHVTOI(bdp); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); ASSERT(start >= 0 && stop >= -1); @@ -1545,27 +1503,24 @@ xfs_inactive_attrs( return 0; } -STATIC int +int xfs_release( - bhv_desc_t *bdp) + xfs_inode_t *ip) { - xfs_inode_t *ip; - bhv_vnode_t *vp; - xfs_mount_t *mp; + bhv_vnode_t *vp = XFS_ITOV(ip); + xfs_mount_t *mp = ip->i_mount; int error; - vp = BHV_TO_VNODE(bdp); - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; - if (!VN_ISREG(vp) || (ip->i_d.di_mode == 0)) return 0; /* If this is a read-only mount, don't do this (would generate I/O) */ - if (vp->v_vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) return 0; if (!XFS_FORCED_SHUTDOWN(mp)) { + int truncated; + /* * If we are using filestreams, and we have an unlinked * file that we are processing the last close on, then nothing @@ -1586,8 +1541,9 @@ xfs_release( * significantly reducing the time window where we'd otherwise * be exposed to that problem. */ - if (VUNTRUNCATE(vp) && VN_DIRTY(vp) && ip->i_delayed_blks > 0) - bhv_vop_flush_pages(vp, 0, -1, XFS_B_ASYNC, FI_NONE); + truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED); + if (truncated && VN_DIRTY(vp) && ip->i_delayed_blks > 0) + xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE); } #ifdef HAVE_REFCACHE @@ -1623,13 +1579,11 @@ xfs_release( * now be truncated. Also, we clear all of the read-ahead state * kept for the inode here since the file is now closed. */ -STATIC int +int xfs_inactive( - bhv_desc_t *bdp, - cred_t *credp) + xfs_inode_t *ip) { - xfs_inode_t *ip; - bhv_vnode_t *vp; + bhv_vnode_t *vp = XFS_ITOV(ip); xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int committed; @@ -1638,10 +1592,7 @@ xfs_inactive( int error; int truncate; - vp = BHV_TO_VNODE(bdp); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - - ip = XFS_BHVTOI(bdp); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); /* * If the inode is already free, then there can be nothing @@ -1666,15 +1617,14 @@ xfs_inactive( mp = ip->i_mount; - if (ip->i_d.di_nlink == 0 && - DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_DESTROY)) { + if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY)) { (void) XFS_SEND_DESTROY(mp, vp, DM_RIGHT_NULL); } error = 0; /* If this is a read-only mount, don't do this (would generate I/O) */ - if (vp->v_vfsp->vfs_flag & VFS_RDONLY) + if (mp->m_flags & XFS_MOUNT_RDONLY) goto out; if (ip->i_d.di_nlink != 0) { @@ -1844,34 +1794,24 @@ xfs_inactive( } -/* - * xfs_lookup - */ -STATIC int +int xfs_lookup( - bhv_desc_t *dir_bdp, + xfs_inode_t *dp, bhv_vname_t *dentry, - bhv_vnode_t **vpp, - int flags, - bhv_vnode_t *rdir, - cred_t *credp) + bhv_vnode_t **vpp) { - xfs_inode_t *dp, *ip; + xfs_inode_t *ip; xfs_ino_t e_inum; int error; uint lock_mode; - bhv_vnode_t *dir_vp; - - dir_vp = BHV_TO_VNODE(dir_bdp); - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); - dp = XFS_BHVTOI(dir_bdp); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return XFS_ERROR(EIO); lock_mode = xfs_ilock_map_shared(dp); - error = xfs_dir_lookup_int(dir_bdp, lock_mode, dentry, &e_inum, &ip); + error = xfs_dir_lookup_int(dp, lock_mode, dentry, &e_inum, &ip); if (!error) { *vpp = XFS_ITOV(ip); ITRACE(ip); @@ -1880,53 +1820,43 @@ xfs_lookup( return error; } - -/* - * xfs_create (create a new file). - */ -STATIC int +int xfs_create( - bhv_desc_t *dir_bdp, + xfs_inode_t *dp, bhv_vname_t *dentry, - bhv_vattr_t *vap, + mode_t mode, + xfs_dev_t rdev, bhv_vnode_t **vpp, cred_t *credp) { char *name = VNAME(dentry); - bhv_vnode_t *dir_vp; - xfs_inode_t *dp, *ip; + xfs_mount_t *mp = dp->i_mount; + bhv_vnode_t *dir_vp = XFS_ITOV(dp); + xfs_inode_t *ip; bhv_vnode_t *vp = NULL; xfs_trans_t *tp; - xfs_mount_t *mp; - xfs_dev_t rdev; int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - boolean_t dp_joined_to_trans; + boolean_t unlock_dp_on_error = B_FALSE; int dm_event_sent = 0; uint cancel_flags; int committed; xfs_prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; - int dm_di_mode; int namelen; ASSERT(!*vpp); - dir_vp = BHV_TO_VNODE(dir_bdp); - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); - dp = XFS_BHVTOI(dir_bdp); - mp = dp->i_mount; - - dm_di_mode = vap->va_mode; namelen = VNAMELEN(dentry); - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_CREATE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, name, NULL, - dm_di_mode, 0, 0); + mode, 0, 0); if (error) return error; @@ -1941,8 +1871,6 @@ xfs_create( udqp = gdqp = NULL; if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) prid = dp->i_d.di_projid; - else if (vap->va_mask & XFS_AT_PROJID) - prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; @@ -1956,7 +1884,6 @@ xfs_create( goto std_return; ip = NULL; - dp_joined_to_trans = B_FALSE; tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; @@ -1976,11 +1903,11 @@ xfs_create( } if (error) { cancel_flags = 0; - dp = NULL; goto error_return; } xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); + unlock_dp_on_error = B_TRUE; XFS_BMAP_INIT(&free_list, &first_block); @@ -1995,8 +1922,7 @@ xfs_create( if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen))) goto error_return; - rdev = (vap->va_mask & XFS_AT_RDEV) ? vap->va_rdev : 0; - error = xfs_dir_ialloc(&tp, dp, vap->va_mode, 1, + error = xfs_dir_ialloc(&tp, dp, mode, 1, rdev, credp, prid, resblks > 0, &ip, &committed); if (error) { @@ -2014,15 +1940,15 @@ xfs_create( ASSERT(ismrlocked (&ip->i_lock, MR_UPDATE)); /* - * Now we join the directory inode to the transaction. - * We do not do it earlier because xfs_dir_ialloc - * might commit the previous transaction (and release - * all the locks). + * Now we join the directory inode to the transaction. We do not do it + * earlier because xfs_dir_ialloc might commit the previous transaction + * (and release all the locks). An error from here on will result in + * the transaction cancel unlocking dp so don't do it explicitly in the + * error path. */ - VN_HOLD(dir_vp); xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - dp_joined_to_trans = B_TRUE; + unlock_dp_on_error = B_FALSE; error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino, &first_block, &free_list, resblks ? @@ -2076,25 +2002,18 @@ xfs_create( XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); - /* - * Propagate the fact that the vnode changed after the - * xfs_inode locks have been released. - */ - bhv_vop_vnode_change(vp, VCHANGE_FLAGS_TRUNCATED, 3); - *vpp = vp; /* Fallthrough to std_return with error = 0 */ std_return: - if ( (*vpp || (error != 0 && dm_event_sent != 0)) && - DM_EVENT_ENABLED(dir_vp->v_vfsp, XFS_BHVTOI(dir_bdp), - DM_EVENT_POSTCREATE)) { + if ((*vpp || (error != 0 && dm_event_sent != 0)) && + DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dir_vp, DM_RIGHT_NULL, *vpp ? vp:NULL, DM_RIGHT_NULL, name, NULL, - dm_di_mode, error, 0); + mode, error, 0); } return error; @@ -2106,11 +2025,12 @@ std_return: if (tp != NULL) xfs_trans_cancel(tp, cancel_flags); - if (!dp_joined_to_trans && (dp != NULL)) - xfs_iunlock(dp, XFS_ILOCK_EXCL); XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); + if (unlock_dp_on_error) + xfs_iunlock(dp, XFS_ILOCK_EXCL); + goto std_return; abort_rele: @@ -2381,22 +2301,16 @@ int remove_which_error_return = 0; #define REMOVE_DEBUG_TRACE(x) #endif /* ! DEBUG */ - -/* - * xfs_remove - * - */ -STATIC int +int xfs_remove( - bhv_desc_t *dir_bdp, - bhv_vname_t *dentry, - cred_t *credp) + xfs_inode_t *dp, + bhv_vname_t *dentry) { - bhv_vnode_t *dir_vp; + bhv_vnode_t *dir_vp = XFS_ITOV(dp); char *name = VNAME(dentry); - xfs_inode_t *dp, *ip; + xfs_mount_t *mp = dp->i_mount; + xfs_inode_t *ip; xfs_trans_t *tp = NULL; - xfs_mount_t *mp; int error = 0; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; @@ -2407,11 +2321,7 @@ xfs_remove( uint resblks; int namelen; - dir_vp = BHV_TO_VNODE(dir_bdp); - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); - - dp = XFS_BHVTOI(dir_bdp); - mp = dp->i_mount; + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -2423,7 +2333,7 @@ xfs_remove( IRELE(ip); } - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_REMOVE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, name, NULL, dm_di_mode, 0, 0); @@ -2454,7 +2364,7 @@ xfs_remove( dm_di_mode = ip->i_d.di_mode; - vn_trace_entry(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); ITRACE(ip); @@ -2588,19 +2498,13 @@ xfs_remove( if (link_zero && xfs_inode_is_filestream(ip)) xfs_filestream_deassociate(ip); - vn_trace_exit(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address); - - /* - * Let interposed file systems know about removed links. - */ - bhv_vop_link_removed(XFS_ITOV(ip), dir_vp, link_zero); + vn_trace_exit(ip, __FUNCTION__, (inst_t *)__return_address); IRELE(ip); /* Fall through to std_return with error = 0 */ std_return: - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, - DM_EVENT_POSTREMOVE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, @@ -2638,46 +2542,36 @@ xfs_remove( goto std_return; } - -/* - * xfs_link - * - */ -STATIC int +int xfs_link( - bhv_desc_t *target_dir_bdp, + xfs_inode_t *tdp, bhv_vnode_t *src_vp, - bhv_vname_t *dentry, - cred_t *credp) + bhv_vname_t *dentry) { - xfs_inode_t *tdp, *sip; + bhv_vnode_t *target_dir_vp = XFS_ITOV(tdp); + xfs_mount_t *mp = tdp->i_mount; + xfs_inode_t *sip = xfs_vtoi(src_vp); xfs_trans_t *tp; - xfs_mount_t *mp; xfs_inode_t *ips[2]; int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int cancel_flags; int committed; - bhv_vnode_t *target_dir_vp; int resblks; char *target_name = VNAME(dentry); int target_namelen; - target_dir_vp = BHV_TO_VNODE(target_dir_bdp); - vn_trace_entry(target_dir_vp, __FUNCTION__, (inst_t *)__return_address); - vn_trace_entry(src_vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(tdp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(xfs_vtoi(src_vp), __FUNCTION__, (inst_t *)__return_address); target_namelen = VNAMELEN(dentry); ASSERT(!VN_ISDIR(src_vp)); - sip = xfs_vtoi(src_vp); - tdp = XFS_BHVTOI(target_dir_bdp); - mp = tdp->i_mount; if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - if (DM_EVENT_ENABLED(src_vp->v_vfsp, tdp, DM_EVENT_LINK)) { + if (DM_EVENT_ENABLED(tdp, DM_EVENT_LINK)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_LINK, target_dir_vp, DM_RIGHT_NULL, src_vp, DM_RIGHT_NULL, @@ -2788,8 +2682,7 @@ xfs_link( /* Fall through to std_return with error = 0. */ std_return: - if (DM_EVENT_ENABLED(src_vp->v_vfsp, sip, - DM_EVENT_POSTLINK)) { + if (DM_EVENT_ENABLED(sip, DM_EVENT_POSTLINK)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK, target_dir_vp, DM_RIGHT_NULL, src_vp, DM_RIGHT_NULL, @@ -2807,57 +2700,43 @@ std_return: } -/* - * xfs_mkdir - * - */ -STATIC int +int xfs_mkdir( - bhv_desc_t *dir_bdp, + xfs_inode_t *dp, bhv_vname_t *dentry, - bhv_vattr_t *vap, + mode_t mode, bhv_vnode_t **vpp, cred_t *credp) { + bhv_vnode_t *dir_vp = XFS_ITOV(dp); char *dir_name = VNAME(dentry); - xfs_inode_t *dp; + int dir_namelen = VNAMELEN(dentry); + xfs_mount_t *mp = dp->i_mount; xfs_inode_t *cdp; /* inode of created dir */ bhv_vnode_t *cvp; /* vnode of created dir */ xfs_trans_t *tp; - xfs_mount_t *mp; int cancel_flags; int error; int committed; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - bhv_vnode_t *dir_vp; - boolean_t dp_joined_to_trans; + boolean_t unlock_dp_on_error = B_FALSE; boolean_t created = B_FALSE; int dm_event_sent = 0; xfs_prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; - int dm_di_mode; - int dir_namelen; - - dir_vp = BHV_TO_VNODE(dir_bdp); - dp = XFS_BHVTOI(dir_bdp); - mp = dp->i_mount; if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - dir_namelen = VNAMELEN(dentry); - tp = NULL; - dp_joined_to_trans = B_FALSE; - dm_di_mode = vap->va_mode; - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_CREATE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, dir_name, NULL, - dm_di_mode, 0, 0); + mode, 0, 0); if (error) return error; dm_event_sent = 1; @@ -2865,14 +2744,12 @@ xfs_mkdir( /* Return through std_return after this point. */ - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); mp = dp->i_mount; udqp = gdqp = NULL; if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) prid = dp->i_d.di_projid; - else if (vap->va_mask & XFS_AT_PROJID) - prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; @@ -2898,11 +2775,11 @@ xfs_mkdir( } if (error) { cancel_flags = 0; - dp = NULL; goto error_return; } xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); + unlock_dp_on_error = B_TRUE; /* * Check for directory link count overflow. @@ -2925,7 +2802,7 @@ xfs_mkdir( /* * create the directory inode. */ - error = xfs_dir_ialloc(&tp, dp, vap->va_mode, 2, + error = xfs_dir_ialloc(&tp, dp, mode, 2, 0, credp, prid, resblks > 0, &cdp, NULL); if (error) { @@ -2939,11 +2816,13 @@ xfs_mkdir( * Now we add the directory inode to the transaction. * We waited until now since xfs_dir_ialloc might start * a new transaction. Had we joined the transaction - * earlier, the locks might have gotten released. + * earlier, the locks might have gotten released. An error + * from here on will result in the transaction cancel + * unlocking dp so don't do it explicitly in the error path. */ VN_HOLD(dir_vp); xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - dp_joined_to_trans = B_TRUE; + unlock_dp_on_error = B_FALSE; XFS_BMAP_INIT(&free_list, &first_block); @@ -3010,15 +2889,14 @@ xfs_mkdir( * xfs_trans_commit. */ std_return: - if ( (created || (error != 0 && dm_event_sent != 0)) && - DM_EVENT_ENABLED(dir_vp->v_vfsp, XFS_BHVTOI(dir_bdp), - DM_EVENT_POSTCREATE)) { + if ((created || (error != 0 && dm_event_sent != 0)) && + DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dir_vp, DM_RIGHT_NULL, created ? XFS_ITOV(cdp):NULL, DM_RIGHT_NULL, dir_name, NULL, - dm_di_mode, error, 0); + mode, error, 0); } return error; @@ -3032,56 +2910,43 @@ std_return: XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); - if (!dp_joined_to_trans && (dp != NULL)) { + if (unlock_dp_on_error) xfs_iunlock(dp, XFS_ILOCK_EXCL); - } goto std_return; } - -/* - * xfs_rmdir - * - */ -STATIC int +int xfs_rmdir( - bhv_desc_t *dir_bdp, - bhv_vname_t *dentry, - cred_t *credp) + xfs_inode_t *dp, + bhv_vname_t *dentry) { + bhv_vnode_t *dir_vp = XFS_ITOV(dp); char *name = VNAME(dentry); - xfs_inode_t *dp; - xfs_inode_t *cdp; /* child directory */ + int namelen = VNAMELEN(dentry); + xfs_mount_t *mp = dp->i_mount; + xfs_inode_t *cdp; /* child directory */ xfs_trans_t *tp; - xfs_mount_t *mp; int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; int cancel_flags; int committed; - bhv_vnode_t *dir_vp; int dm_di_mode = S_IFDIR; int last_cdp_link; - int namelen; uint resblks; - dir_vp = BHV_TO_VNODE(dir_bdp); - dp = XFS_BHVTOI(dir_bdp); - mp = dp->i_mount; - - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); - if (XFS_FORCED_SHUTDOWN(XFS_BHVTOI(dir_bdp)->i_mount)) + if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - namelen = VNAMELEN(dentry); if (!xfs_get_dir_entry(dentry, &cdp)) { dm_di_mode = cdp->i_d.di_mode; IRELE(cdp); } - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_REMOVE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, @@ -3260,17 +3125,12 @@ xfs_rmdir( } - /* - * Let interposed file systems know about removed links. - */ - bhv_vop_link_removed(XFS_ITOV(cdp), dir_vp, last_cdp_link); - IRELE(cdp); /* Fall through to std_return with error = 0 or the errno * from xfs_trans_commit. */ std_return: - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_POSTREMOVE)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, @@ -3289,56 +3149,24 @@ xfs_rmdir( goto std_return; } - -/* - * Read dp's entries starting at uiop->uio_offset and translate them into - * bufsize bytes worth of struct dirents starting at bufbase. - */ -STATIC int -xfs_readdir( - bhv_desc_t *dir_bdp, - uio_t *uiop, - cred_t *credp, - int *eofp) -{ - xfs_inode_t *dp; - xfs_trans_t *tp = NULL; - int error = 0; - uint lock_mode; - - vn_trace_entry(BHV_TO_VNODE(dir_bdp), __FUNCTION__, - (inst_t *)__return_address); - dp = XFS_BHVTOI(dir_bdp); - - if (XFS_FORCED_SHUTDOWN(dp->i_mount)) - return XFS_ERROR(EIO); - - lock_mode = xfs_ilock_map_shared(dp); - error = xfs_dir_getdents(tp, dp, uiop, eofp); - xfs_iunlock_map_shared(dp, lock_mode); - return error; -} - - -STATIC int +int xfs_symlink( - bhv_desc_t *dir_bdp, + xfs_inode_t *dp, bhv_vname_t *dentry, - bhv_vattr_t *vap, char *target_path, + mode_t mode, bhv_vnode_t **vpp, cred_t *credp) { + bhv_vnode_t *dir_vp = XFS_ITOV(dp); + xfs_mount_t *mp = dp->i_mount; xfs_trans_t *tp; - xfs_mount_t *mp; - xfs_inode_t *dp; xfs_inode_t *ip; int error; int pathlen; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; - boolean_t dp_joined_to_trans; - bhv_vnode_t *dir_vp; + boolean_t unlock_dp_on_error = B_FALSE; uint cancel_flags; int committed; xfs_fileoff_t first_fsb; @@ -3357,16 +3185,12 @@ xfs_symlink( int link_namelen; *vpp = NULL; - dir_vp = BHV_TO_VNODE(dir_bdp); - dp = XFS_BHVTOI(dir_bdp); - dp_joined_to_trans = B_FALSE; error = 0; ip = NULL; tp = NULL; - vn_trace_entry(dir_vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address); - mp = dp->i_mount; if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -3405,7 +3229,7 @@ xfs_symlink( } } - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, dp, DM_EVENT_SYMLINK)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dir_vp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, link_name, target_path, 0, 0, 0); @@ -3418,8 +3242,6 @@ xfs_symlink( udqp = gdqp = NULL; if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) prid = dp->i_d.di_projid; - else if (vap->va_mask & XFS_AT_PROJID) - prid = (xfs_prid_t)vap->va_projid; else prid = (xfs_prid_t)dfltprid; @@ -3452,11 +3274,11 @@ xfs_symlink( } if (error) { cancel_flags = 0; - dp = NULL; goto error_return; } xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); + unlock_dp_on_error = B_TRUE; /* * Check whether the directory allows new symlinks or not. @@ -3488,7 +3310,7 @@ xfs_symlink( /* * Allocate an inode for the symlink. */ - error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (vap->va_mode&~S_IFMT), + error = xfs_dir_ialloc(&tp, dp, S_IFLNK | (mode & ~S_IFMT), 1, 0, credp, prid, resblks > 0, &ip, NULL); if (error) { if (error == ENOSPC) @@ -3497,9 +3319,14 @@ xfs_symlink( } ITRACE(ip); + /* + * An error after we've joined dp to the transaction will result in the + * transaction cancel unlocking dp so don't do it explicitly in the + * error path. + */ VN_HOLD(dir_vp); xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - dp_joined_to_trans = B_TRUE; + unlock_dp_on_error = B_FALSE; /* * Also attach the dquot(s) to it, if applicable. @@ -3605,8 +3432,7 @@ xfs_symlink( /* Fall through to std_return with error = 0 or errno from * xfs_trans_commit */ std_return: - if (DM_EVENT_ENABLED(dir_vp->v_vfsp, XFS_BHVTOI(dir_bdp), - DM_EVENT_POSTSYMLINK)) { + if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTSYMLINK)) { (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK, dir_vp, DM_RIGHT_NULL, error ? NULL : XFS_ITOV(ip), @@ -3633,9 +3459,8 @@ std_return: XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); - if (!dp_joined_to_trans && (dp != NULL)) { + if (unlock_dp_on_error) xfs_iunlock(dp, XFS_ILOCK_EXCL); - } goto std_return; } @@ -3647,20 +3472,16 @@ std_return: * A fid routine that takes a pointer to a previously allocated * fid structure (like xfs_fast_fid) but uses a 64 bit inode number. */ -STATIC int +int xfs_fid2( - bhv_desc_t *bdp, + xfs_inode_t *ip, fid_t *fidp) { - xfs_inode_t *ip; - xfs_fid2_t *xfid; + xfs_fid2_t *xfid = (xfs_fid2_t *)fidp; - vn_trace_entry(BHV_TO_VNODE(bdp), __FUNCTION__, - (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); ASSERT(sizeof(fid_t) >= sizeof(xfs_fid2_t)); - xfid = (xfs_fid2_t *)fidp; - ip = XFS_BHVTOI(bdp); xfid->fid_len = sizeof(xfs_fid2_t) - sizeof(xfid->fid_len); xfid->fid_pad = 0; /* @@ -3674,21 +3495,13 @@ xfs_fid2( } -/* - * xfs_rwlock - */ int xfs_rwlock( - bhv_desc_t *bdp, + xfs_inode_t *ip, bhv_vrwlock_t locktype) { - xfs_inode_t *ip; - bhv_vnode_t *vp; - - vp = BHV_TO_VNODE(bdp); - if (VN_ISDIR(vp)) + if (S_ISDIR(ip->i_d.di_mode)) return 1; - ip = XFS_BHVTOI(bdp); if (locktype == VRWLOCK_WRITE) { xfs_ilock(ip, XFS_IOLOCK_EXCL); } else if (locktype == VRWLOCK_TRY_READ) { @@ -3705,21 +3518,13 @@ xfs_rwlock( } -/* - * xfs_rwunlock - */ void xfs_rwunlock( - bhv_desc_t *bdp, + xfs_inode_t *ip, bhv_vrwlock_t locktype) { - xfs_inode_t *ip; - bhv_vnode_t *vp; - - vp = BHV_TO_VNODE(bdp); - if (VN_ISDIR(vp)) - return; - ip = XFS_BHVTOI(bdp); + if (S_ISDIR(ip->i_d.di_mode)) + return; if (locktype == VRWLOCK_WRITE) { /* * In the write case, we may have added a new entry to @@ -3737,20 +3542,16 @@ xfs_rwunlock( return; } -STATIC int + +int xfs_inode_flush( - bhv_desc_t *bdp, + xfs_inode_t *ip, int flags) { - xfs_inode_t *ip; - xfs_mount_t *mp; - xfs_inode_log_item_t *iip; + xfs_mount_t *mp = ip->i_mount; + xfs_inode_log_item_t *iip = ip->i_itemp; int error = 0; - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; - iip = ip->i_itemp; - if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -3819,24 +3620,20 @@ xfs_inode_flush( return error; } + int -xfs_set_dmattrs ( - bhv_desc_t *bdp, +xfs_set_dmattrs( + xfs_inode_t *ip, u_int evmask, - u_int16_t state, - cred_t *credp) + u_int16_t state) { - xfs_inode_t *ip; + xfs_mount_t *mp = ip->i_mount; xfs_trans_t *tp; - xfs_mount_t *mp; int error; if (!capable(CAP_SYS_ADMIN)) return XFS_ERROR(EPERM); - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; - if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -3859,17 +3656,13 @@ xfs_set_dmattrs ( return error; } -STATIC int +int xfs_reclaim( - bhv_desc_t *bdp) + xfs_inode_t *ip) { - xfs_inode_t *ip; - bhv_vnode_t *vp; - - vp = BHV_TO_VNODE(bdp); - ip = XFS_BHVTOI(bdp); + bhv_vnode_t *vp = XFS_ITOV(ip); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); ASSERT(!VN_MAPPED(vp)); @@ -3879,7 +3672,7 @@ xfs_reclaim( return 0; } - vn_iowait(vp); + vn_iowait(ip); ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0); @@ -3911,7 +3704,8 @@ xfs_reclaim( XFS_MOUNT_ILOCK(mp); spin_lock(&ip->i_flags_lock); __xfs_iflags_set(ip, XFS_IRECLAIMABLE); - vn_bhv_remove(VN_BHV_HEAD(vp), XFS_ITOBHV(ip)); + vn_to_inode(vp)->i_private = NULL; + ip->i_vnode = NULL; spin_unlock(&ip->i_flags_lock); list_add_tail(&ip->i_reclaim, &mp->m_del_inodes); XFS_MOUNT_IUNLOCK(mp); @@ -3925,7 +3719,7 @@ xfs_finish_reclaim( int locked, int sync_mode) { - xfs_ihash_t *ih = ip->i_hash; + xfs_perag_t *pag = xfs_get_perag(ip->i_mount, ip->i_ino); bhv_vnode_t *vp = XFS_ITOV_NULL(ip); int error; @@ -3937,12 +3731,12 @@ xfs_finish_reclaim( * Once we have the XFS_IRECLAIM flag set it will not touch * us. */ - write_lock(&ih->ih_lock); + write_lock(&pag->pag_ici_lock); spin_lock(&ip->i_flags_lock); if (__xfs_iflags_test(ip, XFS_IRECLAIM) || (!__xfs_iflags_test(ip, XFS_IRECLAIMABLE) && vp == NULL)) { spin_unlock(&ip->i_flags_lock); - write_unlock(&ih->ih_lock); + write_unlock(&pag->pag_ici_lock); if (locked) { xfs_ifunlock(ip); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -3951,7 +3745,8 @@ xfs_finish_reclaim( } __xfs_iflags_set(ip, XFS_IRECLAIM); spin_unlock(&ip->i_flags_lock); - write_unlock(&ih->ih_lock); + write_unlock(&pag->pag_ici_lock); + xfs_put_perag(ip->i_mount, pag); /* * If the inode is still dirty, then flush it out. If the inode @@ -4085,7 +3880,7 @@ xfs_alloc_file_space( int committed; int error; - vn_trace_entry(XFS_ITOV(ip), __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); @@ -4109,7 +3904,7 @@ xfs_alloc_file_space( /* Generate a DMAPI event if needed. */ if (alloc_type != 0 && offset < ip->i_size && (attr_flags&ATTR_DMI) == 0 && - DM_EVENT_ENABLED(XFS_MTOVFS(mp), ip, DM_EVENT_WRITE)) { + DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) { xfs_off_t end_dmi_offset; end_dmi_offset = offset+len; @@ -4223,9 +4018,8 @@ retry: allocatesize_fsb -= allocated_fsb; } dmapi_enospc_check: - if (error == ENOSPC && (attr_flags&ATTR_DMI) == 0 && - DM_EVENT_ENABLED(XFS_MTOVFS(mp), ip, DM_EVENT_NOSPACE)) { - + if (error == ENOSPC && (attr_flags & ATTR_DMI) == 0 && + DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_NOSPACE, XFS_ITOV(ip), DM_RIGHT_NULL, XFS_ITOV(ip), DM_RIGHT_NULL, @@ -4356,7 +4150,7 @@ xfs_free_file_space( vp = XFS_ITOV(ip); mp = ip->i_mount; - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); if ((error = XFS_QM_DQATTACH(mp, ip, 0))) return error; @@ -4369,9 +4163,8 @@ xfs_free_file_space( end_dmi_offset = offset + len; endoffset_fsb = XFS_B_TO_FSBT(mp, end_dmi_offset); - if (offset < ip->i_size && - (attr_flags & ATTR_DMI) == 0 && - DM_EVENT_ENABLED(XFS_MTOVFS(mp), ip, DM_EVENT_WRITE)) { + if (offset < ip->i_size && (attr_flags & ATTR_DMI) == 0 && + DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) { if (end_dmi_offset > ip->i_size) end_dmi_offset = ip->i_size; error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp, @@ -4385,7 +4178,7 @@ xfs_free_file_space( need_iolock = 0; if (need_iolock) { xfs_ilock(ip, XFS_IOLOCK_EXCL); - vn_iowait(vp); /* wait for the completion of any pending DIOs */ + vn_iowait(ip); /* wait for the completion of any pending DIOs */ } rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, NBPP); @@ -4394,7 +4187,8 @@ xfs_free_file_space( if (VN_CACHED(vp) != 0) { xfs_inval_cached_trace(&ip->i_iocore, ioffset, -1, ctooff(offtoct(ioffset)), -1); - error = bhv_vop_flushinval_pages(vp, ctooff(offtoct(ioffset)), + error = xfs_flushinval_pages(ip, + ctooff(offtoct(ioffset)), -1, FI_REMAPF_LOCKED); if (error) goto out_unlock_iolock; @@ -4545,35 +4339,29 @@ xfs_free_file_space( */ int xfs_change_file_space( - bhv_desc_t *bdp, + xfs_inode_t *ip, int cmd, xfs_flock64_t *bf, xfs_off_t offset, cred_t *credp, int attr_flags) { + xfs_mount_t *mp = ip->i_mount; int clrprealloc; int error; xfs_fsize_t fsize; - xfs_inode_t *ip; - xfs_mount_t *mp; int setprealloc; xfs_off_t startoffset; xfs_off_t llen; xfs_trans_t *tp; bhv_vattr_t va; - bhv_vnode_t *vp; - vp = BHV_TO_VNODE(bdp); - vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address); - - ip = XFS_BHVTOI(bdp); - mp = ip->i_mount; + vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address); /* * must be a regular file and have write permission */ - if (!VN_ISREG(vp)) + if (!S_ISREG(ip->i_d.di_mode)) return XFS_ERROR(EINVAL); xfs_ilock(ip, XFS_ILOCK_SHARED); @@ -4655,7 +4443,7 @@ xfs_change_file_space( va.va_mask = XFS_AT_SIZE; va.va_size = startoffset; - error = xfs_setattr(bdp, &va, attr_flags, credp); + error = xfs_setattr(ip, &va, attr_flags, credp); if (error) return error; @@ -4714,46 +4502,3 @@ xfs_change_file_space( return error; } - -bhv_vnodeops_t xfs_vnodeops = { - BHV_IDENTITY_INIT(VN_BHV_XFS,VNODE_POSITION_XFS), - .vop_open = xfs_open, - .vop_read = xfs_read, -#ifdef HAVE_SPLICE - .vop_splice_read = xfs_splice_read, - .vop_splice_write = xfs_splice_write, -#endif - .vop_write = xfs_write, - .vop_ioctl = xfs_ioctl, - .vop_getattr = xfs_getattr, - .vop_setattr = xfs_setattr, - .vop_access = xfs_access, - .vop_lookup = xfs_lookup, - .vop_create = xfs_create, - .vop_remove = xfs_remove, - .vop_link = xfs_link, - .vop_rename = xfs_rename, - .vop_mkdir = xfs_mkdir, - .vop_rmdir = xfs_rmdir, - .vop_readdir = xfs_readdir, - .vop_symlink = xfs_symlink, - .vop_readlink = xfs_readlink, - .vop_fsync = xfs_fsync, - .vop_inactive = xfs_inactive, - .vop_fid2 = xfs_fid2, - .vop_rwlock = xfs_rwlock, - .vop_rwunlock = xfs_rwunlock, - .vop_bmap = xfs_bmap, - .vop_reclaim = xfs_reclaim, - .vop_attr_get = xfs_attr_get, - .vop_attr_set = xfs_attr_set, - .vop_attr_remove = xfs_attr_remove, - .vop_attr_list = xfs_attr_list, - .vop_link_removed = (vop_link_removed_t)fs_noval, - .vop_vnode_change = (vop_vnode_change_t)fs_noval, - .vop_tosspages = fs_tosspages, - .vop_flushinval_pages = fs_flushinval_pages, - .vop_flush_pages = fs_flush_pages, - .vop_release = xfs_release, - .vop_iflush = xfs_inode_flush, -}; diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h new file mode 100644 index 00000000000..f36e74f2f0c --- /dev/null +++ b/fs/xfs/xfs_vnodeops.h @@ -0,0 +1,86 @@ +#ifndef _XFS_VNODEOPS_H +#define _XFS_VNODEOPS_H 1 + +struct attrlist_cursor_kern; +struct bhv_vattr; +struct cred; +struct file; +struct inode; +struct iovec; +struct kiocb; +struct pipe_inode_info; +struct uio; +struct xfs_inode; +struct xfs_iomap; + + +int xfs_open(struct xfs_inode *ip); +int xfs_getattr(struct xfs_inode *ip, struct bhv_vattr *vap, int flags); +int xfs_setattr(struct xfs_inode *ip, struct bhv_vattr *vap, int flags, + struct cred *credp); +int xfs_access(struct xfs_inode *ip, int mode, struct cred *credp); +int xfs_readlink(struct xfs_inode *ip, char *link); +int xfs_fsync(struct xfs_inode *ip, int flag, xfs_off_t start, + xfs_off_t stop); +int xfs_release(struct xfs_inode *ip); +int xfs_inactive(struct xfs_inode *ip); +int xfs_lookup(struct xfs_inode *dp, bhv_vname_t *dentry, + bhv_vnode_t **vpp); +int xfs_create(struct xfs_inode *dp, bhv_vname_t *dentry, mode_t mode, + xfs_dev_t rdev, bhv_vnode_t **vpp, struct cred *credp); +int xfs_remove(struct xfs_inode *dp, bhv_vname_t *dentry); +int xfs_link(struct xfs_inode *tdp, bhv_vnode_t *src_vp, + bhv_vname_t *dentry); +int xfs_mkdir(struct xfs_inode *dp, bhv_vname_t *dentry, + mode_t mode, bhv_vnode_t **vpp, struct cred *credp); +int xfs_rmdir(struct xfs_inode *dp, bhv_vname_t *dentry); +int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, + xfs_off_t *offset, filldir_t filldir); +int xfs_symlink(struct xfs_inode *dp, bhv_vname_t *dentry, + char *target_path, mode_t mode, bhv_vnode_t **vpp, + struct cred *credp); +int xfs_fid2(struct xfs_inode *ip, fid_t *fidp); +int xfs_rwlock(struct xfs_inode *ip, bhv_vrwlock_t locktype); +void xfs_rwunlock(struct xfs_inode *ip, bhv_vrwlock_t locktype); +int xfs_inode_flush(struct xfs_inode *ip, int flags); +int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); +int xfs_reclaim(struct xfs_inode *ip); +int xfs_change_file_space(struct xfs_inode *ip, int cmd, + xfs_flock64_t *bf, xfs_off_t offset, + struct cred *credp, int attr_flags); +int xfs_rename(struct xfs_inode *src_dp, bhv_vname_t *src_vname, + bhv_vnode_t *target_dir_vp, bhv_vname_t *target_vname); +int xfs_attr_get(struct xfs_inode *ip, const char *name, char *value, + int *valuelenp, int flags, cred_t *cred); +int xfs_attr_set(struct xfs_inode *dp, const char *name, char *value, + int valuelen, int flags); +int xfs_attr_remove(struct xfs_inode *dp, const char *name, int flags); +int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize, + int flags, struct attrlist_cursor_kern *cursor); +int xfs_ioctl(struct xfs_inode *ip, struct file *filp, + int ioflags, unsigned int cmd, void __user *arg); +ssize_t xfs_read(struct xfs_inode *ip, struct kiocb *iocb, + const struct iovec *iovp, unsigned int segs, + loff_t *offset, int ioflags); +ssize_t xfs_sendfile(struct xfs_inode *ip, struct file *filp, + loff_t *offset, int ioflags, size_t count, + read_actor_t actor, void *target); +ssize_t xfs_splice_read(struct xfs_inode *ip, struct file *infilp, + loff_t *ppos, struct pipe_inode_info *pipe, size_t count, + int flags, int ioflags); +ssize_t xfs_splice_write(struct xfs_inode *ip, + struct pipe_inode_info *pipe, struct file *outfilp, + loff_t *ppos, size_t count, int flags, int ioflags); +ssize_t xfs_write(struct xfs_inode *xip, struct kiocb *iocb, + const struct iovec *iovp, unsigned int nsegs, + loff_t *offset, int ioflags); +int xfs_bmap(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, + int flags, struct xfs_iomap *iomapp, int *niomaps); +void xfs_tosspages(struct xfs_inode *inode, xfs_off_t first, + xfs_off_t last, int fiopt); +int xfs_flushinval_pages(struct xfs_inode *ip, xfs_off_t first, + xfs_off_t last, int fiopt); +int xfs_flush_pages(struct xfs_inode *ip, xfs_off_t first, + xfs_off_t last, uint64_t flags, int fiopt); + +#endif /* _XFS_VNODEOPS_H */ |