diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/9p/fid.c | 4 | ||||
-rw-r--r-- | fs/9p/v9fs.c | 51 | ||||
-rw-r--r-- | fs/9p/v9fs.h | 5 | ||||
-rw-r--r-- | fs/9p/vfs_file.c | 4 | ||||
-rw-r--r-- | fs/9p/vfs_inode.c | 5 |
5 files changed, 22 insertions, 47 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c index b364da70ff2..dfebdbe7440 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -175,7 +175,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) if (!wnames) return ERR_PTR(-ENOMEM); - for (d = dentry, i = n; i >= 0; i--, d = d->d_parent) + for (d = dentry, i = (n-1); i >= 0; i--, d = d->d_parent) wnames[i] = (char *) d->d_name.name; clone = 1; @@ -183,7 +183,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) while (i < n) { l = min(n - i, P9_MAXWELEM); fid = p9_client_walk(fid, l, &wnames[i], clone); - if (!fid) { + if (IS_ERR(fid)) { kfree(wnames); return fid; } diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index fbb12dadba8..9b0f0222e8b 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -3,7 +3,7 @@ * * This file contains functions assisting in mapping VFS to 9P2000 * - * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com> + * Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com> * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov> * * This program is free software; you can redistribute it and/or modify @@ -31,7 +31,6 @@ #include <linux/idr.h> #include <net/9p/9p.h> #include <net/9p/transport.h> -#include <net/9p/conn.h> #include <net/9p/client.h> #include "v9fs.h" #include "v9fs_vfs.h" @@ -43,11 +42,11 @@ enum { /* Options that take integer arguments */ - Opt_debug, Opt_msize, Opt_dfltuid, Opt_dfltgid, Opt_afid, + Opt_debug, Opt_dfltuid, Opt_dfltgid, Opt_afid, /* String options */ Opt_uname, Opt_remotename, Opt_trans, /* Options that take no arguments */ - Opt_legacy, Opt_nodevmap, + Opt_nodevmap, /* Cache options */ Opt_cache_loose, /* Access options */ @@ -58,14 +57,11 @@ enum { static match_table_t tokens = { {Opt_debug, "debug=%x"}, - {Opt_msize, "msize=%u"}, {Opt_dfltuid, "dfltuid=%u"}, {Opt_dfltgid, "dfltgid=%u"}, {Opt_afid, "afid=%u"}, {Opt_uname, "uname=%s"}, {Opt_remotename, "aname=%s"}, - {Opt_trans, "trans=%s"}, - {Opt_legacy, "noextend"}, {Opt_nodevmap, "nodevmap"}, {Opt_cache_loose, "cache=loose"}, {Opt_cache_loose, "loose"}, @@ -85,16 +81,14 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) char *options; substring_t args[MAX_OPT_ARGS]; char *p; - int option; - int ret; + int option = 0; char *s, *e; + int ret; /* setup defaults */ - v9ses->maxdata = 8192; v9ses->afid = ~0; v9ses->debug = 0; v9ses->cache = 0; - v9ses->trans = v9fs_default_trans(); if (!v9ses->options) return; @@ -106,7 +100,8 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) continue; token = match_token(p, tokens, args); if (token < Opt_uname) { - if ((ret = match_int(&args[0], &option)) < 0) { + ret = match_int(&args[0], &option); + if (ret < 0) { P9_DPRINTK(P9_DEBUG_ERROR, "integer field, but no integer?\n"); continue; @@ -119,9 +114,7 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) p9_debug_level = option; #endif break; - case Opt_msize: - v9ses->maxdata = option; - break; + case Opt_dfltuid: v9ses->dfltuid = option; break; @@ -131,18 +124,12 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) case Opt_afid: v9ses->afid = option; break; - case Opt_trans: - v9ses->trans = v9fs_match_trans(&args[0]); - break; case Opt_uname: match_strcpy(v9ses->uname, &args[0]); break; case Opt_remotename: match_strcpy(v9ses->aname, &args[0]); break; - case Opt_legacy: - v9ses->flags &= ~V9FS_EXTENDED; - break; case Opt_nodevmap: v9ses->nodev = 1; break; @@ -185,7 +172,6 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, const char *dev_name, char *data) { int retval = -EINVAL; - struct p9_trans *trans = NULL; struct p9_fid *fid; v9ses->uname = __getname(); @@ -207,24 +193,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, 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, - v9fs_extended(v9ses)); + v9ses->clnt = p9_client_create(dev_name, v9ses->options); if (IS_ERR(v9ses->clnt)) { retval = PTR_ERR(v9ses->clnt); @@ -236,6 +205,8 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, if (!v9ses->clnt->dotu) v9ses->flags &= ~V9FS_EXTENDED; + v9ses->maxdata = v9ses->clnt->msize; + /* for legacy mode, fall back to V9FS_ACCESS_ANY */ if (!v9fs_extended(v9ses) && ((v9ses->flags&V9FS_ACCESS_MASK) == V9FS_ACCESS_USER)) { diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index db4b4193f2e..7d3a1018db5 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -1,7 +1,7 @@ /* * V9FS definitions. * - * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com> + * Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com> * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov> * * This program is free software; you can redistribute it and/or modify @@ -28,7 +28,6 @@ struct v9fs_session_info { /* options */ - unsigned int maxdata; unsigned char flags; /* session flags */ unsigned char nodev; /* set to 1 if no disable device mapping */ unsigned short debug; /* debug level */ @@ -38,10 +37,10 @@ struct v9fs_session_info { char *options; /* copy of mount options */ char *uname; /* user name to mount as */ char *aname; /* name of remote hierarchy being mounted */ + unsigned int maxdata; /* max data for client interface */ 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; }; diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index ba4b1caa9c4..a616fff8906 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -184,7 +184,7 @@ static const struct file_operations v9fs_cached_file_operations = { .open = v9fs_file_open, .release = v9fs_dir_release, .lock = v9fs_file_lock, - .mmap = generic_file_mmap, + .mmap = generic_file_readonly_mmap, }; const struct file_operations v9fs_file_operations = { @@ -194,5 +194,5 @@ const struct file_operations v9fs_file_operations = { .open = v9fs_file_open, .release = v9fs_dir_release, .lock = v9fs_file_lock, - .mmap = generic_file_mmap, + .mmap = generic_file_readonly_mmap, }; diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 23581bcb599..5c5137c1148 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -77,6 +77,8 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) res |= P9_DMSETUID; if ((mode & S_ISGID) == S_ISGID) res |= P9_DMSETGID; + if ((mode & S_ISVTX) == S_ISVTX) + res |= P9_DMSETVTX; if ((mode & P9_DMLINK)) res |= P9_DMLINK; } @@ -119,6 +121,9 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode) if ((mode & P9_DMSETGID) == P9_DMSETGID) res |= S_ISGID; + + if ((mode & P9_DMSETVTX) == P9_DMSETVTX) + res |= S_ISVTX; } return res; |