diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/Kconfig | 3 | ||||
-rw-r--r-- | fs/afs/mntpt.c | 2 | ||||
-rw-r--r-- | fs/ecryptfs/inode.c | 4 | ||||
-rw-r--r-- | fs/ecryptfs/mmap.c | 3 | ||||
-rw-r--r-- | fs/ext3/super.c | 11 | ||||
-rw-r--r-- | fs/ext4/super.c | 11 | ||||
-rw-r--r-- | fs/hugetlbfs/inode.c | 15 | ||||
-rw-r--r-- | fs/jffs2/fs.c | 2 | ||||
-rw-r--r-- | fs/locks.c | 2 | ||||
-rw-r--r-- | fs/nfs/file.c | 2 | ||||
-rw-r--r-- | fs/nfs/namespace.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 4 | ||||
-rw-r--r-- | fs/nfs/super.c | 130 | ||||
-rw-r--r-- | fs/nfs/write.c | 44 | ||||
-rw-r--r-- | fs/nfsd/nfsfh.c | 20 | ||||
-rw-r--r-- | fs/nfsd/vfs.c | 3 | ||||
-rw-r--r-- | fs/ocfs2/alloc.c | 1 | ||||
-rw-r--r-- | fs/ocfs2/aops.c | 4 | ||||
-rw-r--r-- | fs/ocfs2/file.c | 1 | ||||
-rw-r--r-- | fs/ocfs2/super.c | 69 | ||||
-rw-r--r-- | fs/proc/inode.c | 3 | ||||
-rw-r--r-- | fs/reiserfs/super.c | 13 | ||||
-rw-r--r-- | fs/select.c | 2 | ||||
-rw-r--r-- | fs/udf/balloc.c | 10 | ||||
-rw-r--r-- | fs/udf/super.c | 26 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/kmem.h | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 8 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_globals.c | 2 | ||||
-rw-r--r-- | fs/xfs/quota/xfs_qm.c | 3 | ||||
-rw-r--r-- | fs/xfs/support/debug.h | 10 | ||||
-rw-r--r-- | fs/xfs/xfs_da_btree.c | 1 | ||||
-rw-r--r-- | fs/xfs/xfs_log.c | 12 | ||||
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 12 |
33 files changed, 280 insertions, 157 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 58a0650293e..f9eed6d7906 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -441,9 +441,6 @@ config OCFS2_FS Note: Features which OCFS2 does not support yet: - extended attributes - - shared writeable mmap - - loopback is supported, but data written will not - be cluster coherent. - quotas - cluster aware flock - Directory change notification (F_NOTIFY) diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index a3684dcc76e..6f8c96fb29e 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -235,8 +235,8 @@ static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd) err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts); switch (err) { case 0: - mntput(nd->mnt); dput(nd->dentry); + mntput(nd->mnt); nd->mnt = newmnt; nd->dentry = dget(newmnt->mnt_root); schedule_delayed_work(&afs_mntpt_expiry_timer, diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 5d40ad13ab5..131954b3fb9 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -357,10 +357,6 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry, ecryptfs_printk(KERN_DEBUG, "Is a special file; returning\n"); goto out; } - if (special_file(lower_inode->i_mode)) { - ecryptfs_printk(KERN_DEBUG, "Is a special file; returning\n"); - goto out; - } if (!nd) { ecryptfs_printk(KERN_DEBUG, "We have a NULL nd, just leave" "as we *think* we are about to unlink\n"); diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index e4ab7bc14ef..fd3f94d4a66 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -834,7 +834,8 @@ static void ecryptfs_sync_page(struct page *page) ecryptfs_printk(KERN_DEBUG, "find_lock_page failed\n"); return; } - lower_page->mapping->a_ops->sync_page(lower_page); + 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); diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 22cfdd61c06..9537316a071 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -2578,8 +2578,11 @@ static int ext3_release_dquot(struct dquot *dquot) handle = ext3_journal_start(dquot_to_inode(dquot), EXT3_QUOTA_DEL_BLOCKS(dquot->dq_sb)); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + /* Release dquot anyway to avoid endless cycle in dqput() */ + dquot_release(dquot); return PTR_ERR(handle); + } ret = dquot_release(dquot); err = ext3_journal_stop(handle); if (!ret) @@ -2712,6 +2715,12 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type, struct buffer_head *bh; handle_t *handle = journal_current_handle(); + if (!handle) { + printk(KERN_WARNING "EXT3-fs: Quota write (off=%Lu, len=%Lu)" + " cancelled because transaction is not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); while (towrite > 0) { tocopy = sb->s_blocksize - offset < towrite ? diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 4550b83ab1c..3c1397fa83d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2698,8 +2698,11 @@ static int ext4_release_dquot(struct dquot *dquot) handle = ext4_journal_start(dquot_to_inode(dquot), EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb)); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + /* Release dquot anyway to avoid endless cycle in dqput() */ + dquot_release(dquot); return PTR_ERR(handle); + } ret = dquot_release(dquot); err = ext4_journal_stop(handle); if (!ret) @@ -2832,6 +2835,12 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, struct buffer_head *bh; handle_t *handle = journal_current_handle(); + if (!handle) { + printk(KERN_WARNING "EXT4-fs: Quota write (off=%Lu, len=%Lu)" + " cancelled because transaction is not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); while (towrite > 0) { tocopy = sb->s_blocksize - offset < towrite ? diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index c848a191525..950c2fbb815 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -82,14 +82,19 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) int ret; /* - * vma alignment has already been checked by prepare_hugepage_range. - * If you add any error returns here, do so after setting VM_HUGETLB, - * so is_vm_hugetlb_page tests below unmap_region go the right way - * when do_mmap_pgoff unwinds (may be important on powerpc and ia64). + * vma address alignment (but not the pgoff alignment) has + * already been checked by prepare_hugepage_range. If you add + * any error returns here, do so after setting VM_HUGETLB, so + * is_vm_hugetlb_page tests below unmap_region go the right + * way when do_mmap_pgoff unwinds (may be important on powerpc + * and ia64). */ vma->vm_flags |= VM_HUGETLB | VM_RESERVED; vma->vm_ops = &hugetlb_vm_ops; + if (vma->vm_pgoff & ~(HPAGE_MASK >> PAGE_SHIFT)) + return -EINVAL; + vma_len = (loff_t)(vma->vm_end - vma->vm_start); mutex_lock(&inode->i_mutex); @@ -132,7 +137,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return -ENOMEM; if (flags & MAP_FIXED) { - if (prepare_hugepage_range(addr, len, pgoff)) + if (prepare_hugepage_range(addr, len)) return -EINVAL; return addr; } diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 1d3b7a9fc82..8bc727b7169 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -627,7 +627,7 @@ unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c, struct inode *inode = OFNI_EDONI_2SFFJ(f); struct page *pg; - pg = read_cache_page(inode->i_mapping, offset >> PAGE_CACHE_SHIFT, + pg = read_cache_page_async(inode->i_mapping, offset >> PAGE_CACHE_SHIFT, (void *)jffs2_do_readpage_unlock, inode); if (IS_ERR(pg)) return (void *)pg; diff --git a/fs/locks.c b/fs/locks.c index 50857d2d340..c795eaaf6c4 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -782,7 +782,7 @@ find_conflict: if (request->fl_flags & FL_ACCESS) goto out; locks_copy_lock(new_fl, request); - locks_insert_lock(&inode->i_flock, new_fl); + locks_insert_lock(before, new_fl); new_fl = NULL; error = 0; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index c87dc713b5d..579cf8a7d4a 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -316,7 +316,7 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset) if (offset != 0) return; /* Cancel any unstarted writes on this page */ - nfs_wb_page_priority(page->mapping->host, page, FLUSH_INVALIDATE); + nfs_wb_page_cancel(page->mapping->host, page); } static int nfs_release_page(struct page *page, gfp_t gfp) diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index aea76d0e5fb..acfc56f9edc 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -176,7 +176,7 @@ static void nfs_expire_automounts(struct work_struct *work) void nfs_release_automount_timer(void) { if (list_empty(&nfs_automount_list)) - cancel_delayed_work_sync(&nfs_automount_task); + cancel_delayed_work(&nfs_automount_task); } /* diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 62b3ae28031..4b90e17555a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -646,7 +646,7 @@ static int _nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state rcu_read_lock(); delegation = rcu_dereference(NFS_I(state->inode)->delegation); if (delegation != NULL && (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) != 0) - delegation_type = delegation->flags; + delegation_type = delegation->type; rcu_read_unlock(); opendata->o_arg.u.delegation_type = delegation_type; status = nfs4_open_recover(opendata, state); @@ -1434,7 +1434,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd) } res = d_add_unique(dentry, igrab(state->inode)); if (res != NULL) - dentry = res; + path.dentry = res; nfs4_intent_set_file(nd, &path, state); return res; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index b2a851c1b8c..8ed593766f1 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -911,13 +911,13 @@ static int nfs_parse_mount_options(char *raw, kfree(string); switch (token) { - case Opt_udp: + case Opt_xprt_udp: mnt->flags &= ~NFS_MOUNT_TCP; mnt->nfs_server.protocol = IPPROTO_UDP; mnt->timeo = 7; mnt->retrans = 5; break; - case Opt_tcp: + case Opt_xprt_tcp: mnt->flags |= NFS_MOUNT_TCP; mnt->nfs_server.protocol = IPPROTO_TCP; mnt->timeo = 600; @@ -936,10 +936,10 @@ static int nfs_parse_mount_options(char *raw, kfree(string); switch (token) { - case Opt_udp: + case Opt_xprt_udp: mnt->mount_server.protocol = IPPROTO_UDP; break; - case Opt_tcp: + case Opt_xprt_tcp: mnt->mount_server.protocol = IPPROTO_TCP; break; default: @@ -1153,20 +1153,20 @@ static int nfs_validate_mount_data(struct nfs_mount_data **options, c = strchr(dev_name, ':'); if (c == NULL) return -EINVAL; - len = c - dev_name - 1; + len = c - dev_name; if (len > sizeof(data->hostname)) - return -EINVAL; + return -ENAMETOOLONG; strncpy(data->hostname, dev_name, len); args.nfs_server.hostname = data->hostname; c++; if (strlen(c) > NFS_MAXPATHLEN) - return -EINVAL; + return -ENAMETOOLONG; args.nfs_server.export_path = c; status = nfs_try_mount(&args, mntfh); if (status) - return -EINVAL; + return status; /* * Translate to nfs_mount_data, which nfs_fill_super @@ -1303,34 +1303,6 @@ static void nfs_clone_super(struct super_block *sb, nfs_initialise_sb(sb); } -static int nfs_set_super(struct super_block *s, void *_server) -{ - struct nfs_server *server = _server; - int ret; - - s->s_fs_info = server; - ret = set_anon_super(s, server); - if (ret == 0) - server->s_dev = s->s_dev; - return ret; -} - -static int nfs_compare_super(struct super_block *sb, void *data) -{ - struct nfs_server *server = data, *old = NFS_SB(sb); - - if (memcmp(&old->nfs_client->cl_addr, - &server->nfs_client->cl_addr, - sizeof(old->nfs_client->cl_addr)) != 0) - return 0; - /* Note: NFS_MOUNT_UNSHARED == NFS4_MOUNT_UNSHARED */ - if (old->flags & NFS_MOUNT_UNSHARED) - return 0; - if (memcmp(&old->fsid, &server->fsid, sizeof(old->fsid)) != 0) - return 0; - return 1; -} - #define NFS_MS_MASK (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS) static int nfs_compare_mount_options(const struct super_block *s, const struct nfs_server *b, int flags) @@ -1359,9 +1331,46 @@ static int nfs_compare_mount_options(const struct super_block *s, const struct n goto Ebusy; if (clnt_a->cl_auth->au_flavor != clnt_b->cl_auth->au_flavor) goto Ebusy; - return 0; + return 1; Ebusy: - return -EBUSY; + return 0; +} + +struct nfs_sb_mountdata { + struct nfs_server *server; + int mntflags; +}; + +static int nfs_set_super(struct super_block *s, void *data) +{ + struct nfs_sb_mountdata *sb_mntdata = data; + struct nfs_server *server = sb_mntdata->server; + int ret; + + s->s_flags = sb_mntdata->mntflags; + s->s_fs_info = server; + ret = set_anon_super(s, server); + if (ret == 0) + server->s_dev = s->s_dev; + return ret; +} + +static int nfs_compare_super(struct super_block *sb, void *data) +{ + struct nfs_sb_mountdata *sb_mntdata = data; + struct nfs_server *server = sb_mntdata->server, *old = NFS_SB(sb); + int mntflags = sb_mntdata->mntflags; + + if (memcmp(&old->nfs_client->cl_addr, + &server->nfs_client->cl_addr, + sizeof(old->nfs_client->cl_addr)) != 0) + return 0; + /* Note: NFS_MOUNT_UNSHARED == NFS4_MOUNT_UNSHARED */ + if (old->flags & NFS_MOUNT_UNSHARED) + return 0; + if (memcmp(&old->fsid, &server->fsid, sizeof(old->fsid)) != 0) + return 0; + return nfs_compare_mount_options(sb, server, mntflags); } static int nfs_get_sb(struct file_system_type *fs_type, @@ -1373,6 +1382,9 @@ static int nfs_get_sb(struct file_system_type *fs_type, struct nfs_mount_data *data = raw_data; struct dentry *mntroot; int (*compare_super)(struct super_block *, void *) = nfs_compare_super; + struct nfs_sb_mountdata sb_mntdata = { + .mntflags = flags, + }; int error; /* Validate the mount data */ @@ -1386,28 +1398,25 @@ static int nfs_get_sb(struct file_system_type *fs_type, error = PTR_ERR(server); goto out; } + sb_mntdata.server = server; if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(fs_type, compare_super, nfs_set_super, server); + s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { error = PTR_ERR(s); goto out_err_nosb; } if (s->s_fs_info != server) { - error = nfs_compare_mount_options(s, server, flags); nfs_free_server(server); server = NULL; - if (error < 0) - goto error_splat_super; } if (!s->s_root) { /* initial superblock/root creation */ - s->s_flags = flags; nfs_fill_super(s, data); } @@ -1460,6 +1469,9 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, struct nfs_server *server; struct dentry *mntroot; int (*compare_super)(struct super_block *, void *) = nfs_compare_super; + struct nfs_sb_mountdata sb_mntdata = { + .mntflags = flags, + }; int error; dprintk("--> nfs_xdev_get_sb()\n"); @@ -1470,28 +1482,25 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, error = PTR_ERR(server); goto out_err_noserver; } + sb_mntdata.server = server; if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(&nfs_fs_type, compare_super, nfs_set_super, server); + s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { error = PTR_ERR(s); goto out_err_nosb; } if (s->s_fs_info != server) { - error = nfs_compare_mount_options(s, server, flags); nfs_free_server(server); server = NULL; - if (error < 0) - goto error_splat_super; } if (!s->s_root) { /* initial superblock/root creation */ - s->s_flags = flags; nfs_clone_super(s, data->sb); } @@ -1668,7 +1677,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options, /* while calculating len, pretend ':' is '\0' */ len = c - dev_name; if (len > NFS4_MAXNAMLEN) - return -EINVAL; + return -ENAMETOOLONG; *hostname = kzalloc(len, GFP_KERNEL); if (*hostname == NULL) return -ENOMEM; @@ -1677,7 +1686,7 @@ static int nfs4_validate_mount_data(struct nfs4_mount_data **options, c++; /* step over the ':' */ len = strlen(c); if (len > NFS4_MAXPATHLEN) - return -EINVAL; + return -ENAMETOOLONG; *mntpath = kzalloc(len + 1, GFP_KERNEL); if (*mntpath == NULL) return -ENOMEM; @@ -1729,6 +1738,9 @@ static int nfs4_get_sb(struct file_system_type *fs_type, struct dentry *mntroot; char *mntpath = NULL, *hostname = NULL, *ip_addr = NULL; int (*compare_super)(struct super_block *, void *) = nfs_compare_super; + struct nfs_sb_mountdata sb_mntdata = { + .mntflags = flags, + }; int error; /* Validate the mount data */ @@ -1744,12 +1756,13 @@ static int nfs4_get_sb(struct file_system_type *fs_type, error = PTR_ERR(server); goto out; } + sb_mntdata.server = server; if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(fs_type, compare_super, nfs_set_super, server); + s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { error = PTR_ERR(s); goto out_free; @@ -1762,7 +1775,6 @@ static int nfs4_get_sb(struct file_system_type *fs_type, if (!s->s_root) { /* initial superblock/root creation */ - s->s_flags = flags; nfs4_fill_super(s); } @@ -1816,6 +1828,9 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, struct nfs_server *server; struct dentry *mntroot; int (*compare_super)(struct super_block *, void *) = nfs_compare_super; + struct nfs_sb_mountdata sb_mntdata = { + .mntflags = flags, + }; int error; dprintk("--> nfs4_xdev_get_sb()\n"); @@ -1826,12 +1841,13 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, error = PTR_ERR(server); goto out_err_noserver; } + sb_mntdata.server = server; if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(&nfs_fs_type, compare_super, nfs_set_super, server); + s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { error = PTR_ERR(s); goto out_err_nosb; @@ -1844,7 +1860,6 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags, if (!s->s_root) { /* initial superblock/root creation */ - s->s_flags = flags; nfs4_clone_super(s, data->sb); } @@ -1887,6 +1902,9 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags, struct dentry *mntroot; struct nfs_fh mntfh; int (*compare_super)(struct super_block *, void *) = nfs_compare_super; + struct nfs_sb_mountdata sb_mntdata = { + .mntflags = flags, + }; int error; dprintk("--> nfs4_referral_get_sb()\n"); @@ -1897,12 +1915,13 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags, error = PTR_ERR(server); goto out_err_noserver; } + sb_mntdata.server = server; if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; /* Get a superblock - note that we may end up sharing one that already exists */ - s = sget(&nfs_fs_type, compare_super, nfs_set_super, server); + s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { error = PTR_ERR(s); goto out_err_nosb; @@ -1915,7 +1934,6 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags, if (!s->s_root) { /* initial superblock/root creation */ - s->s_flags = flags; nfs4_fill_super(s); } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index ef97e0c0f5b..0d7a77cc394 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1396,6 +1396,50 @@ out: return ret; } +int nfs_wb_page_cancel(struct inode *inode, struct page *page) +{ + struct nfs_page *req; + loff_t range_start = page_offset(page); + loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1); + struct writeback_control wbc = { + .bdi = page->mapping->backing_dev_info, + .sync_mode = WB_SYNC_ALL, + .nr_to_write = LONG_MAX, + .range_start = range_start, + .range_end = range_end, + }; + int ret = 0; + + BUG_ON(!PageLocked(page)); + for (;;) { + req = nfs_page_find_request(page); + if (req == NULL) + goto out; + if (test_bit(PG_NEED_COMMIT, &req->wb_flags)) { + nfs_release_request(req); + break; + } + if (nfs_lock_request_dontget(req)) { + nfs_inode_remove_request(req); + /* + * In case nfs_inode_remove_request has marked the + * page as being dirty + */ + cancel_dirty_page(page, PAGE_CACHE_SIZE); + nfs_unlock_request(req); + break; + } + ret = nfs_wait_on_request(req); + if (ret < 0) + goto out; + } + if (!PagePrivate(page)) + return 0; + ret = nfs_sync_mapping_wait(page->mapping, &wbc, FLUSH_INVALIDATE); +out: + return ret; +} + int nfs_wb_page_priority(struct inode *inode, struct page *page, int how) { loff_t range_start = page_offset(page); diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 0eb464a39aa..7011d62acfc 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -566,13 +566,23 @@ enum fsid_source fsid_source(struct svc_fh *fhp) case FSID_DEV: case FSID_ENCODE_DEV: case FSID_MAJOR_MINOR: - return FSIDSOURCE_DEV; + if (fhp->fh_export->ex_dentry->d_inode->i_sb->s_type->fs_flags + & FS_REQUIRES_DEV) + return FSIDSOURCE_DEV; + break; case FSID_NUM: - return FSIDSOURCE_FSID; - default: if (fhp->fh_export->ex_flags & NFSEXP_FSID) return FSIDSOURCE_FSID; - else - return FSIDSOURCE_UUID; + break; + default: + break; } + /* either a UUID type filehandle, or the filehandle doesn't + * match the export. + */ + if (fhp->fh_export->ex_flags & NFSEXP_FSID) + return FSIDSOURCE_FSID; + if (fhp->fh_export->ex_uuid) + return FSIDSOURCE_UUID; + return FSIDSOURCE_DEV; } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index a0c2b253818..7867151ebb8 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -115,7 +115,8 @@ nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp, exp2 = rqst_exp_get_by_name(rqstp, mnt, mounts); if (IS_ERR(exp2)) { - err = PTR_ERR(exp2); + if (PTR_ERR(exp2) != -ENOENT) + err = PTR_ERR(exp2); dput(mounts); mntput(mnt); goto out; diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4f517665c9a..778a850b463 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5602,6 +5602,7 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb, clusters_to_del; spin_unlock(&OCFS2_I(inode)->ip_lock); le32_add_cpu(&fe->i_clusters, -clusters_to_del); + inode->i_blocks = ocfs2_inode_sector_count(inode); status = ocfs2_trim_tree(inode, path, handle, tc, clusters_to_del, &delete_blk); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 460d440310f..50cd8a20901 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -855,6 +855,7 @@ static int ocfs2_alloc_write_ctxt(struct ocfs2_write_ctxt **wcp, struct ocfs2_super *osb, loff_t pos, unsigned len, struct buffer_head *di_bh) { + u32 cend; struct ocfs2_write_ctxt *wc; wc = kzalloc(sizeof(struct ocfs2_write_ctxt), GFP_NOFS); @@ -862,7 +863,8 @@ static int ocfs2_alloc_write_ctxt(struct ocfs2_write_ctxt **wcp, return -ENOMEM; wc->w_cpos = pos >> osb->s_clustersize_bits; - wc->w_clen = ocfs2_clusters_for_bytes(osb->sb, len); + cend = (pos + len - 1) >> osb->s_clustersize_bits; + wc->w_clen = cend - wc->w_cpos + 1; get_bh(di_bh); wc->w_di_bh = di_bh; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 4ffa715be09..7e34e66159c 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -314,7 +314,6 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb, } i_size_write(inode, new_i_size); - inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size); inode->i_ctime = inode->i_mtime = CURRENT_TIME; di = (struct ocfs2_dinode *) fe_bh->b_data; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index f2fc9a795de..c034b5129c1 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -81,8 +81,15 @@ static struct dentry *ocfs2_debugfs_root = NULL; MODULE_AUTHOR("Oracle"); MODULE_LICENSE("GPL"); +struct mount_options +{ + unsigned long mount_opt; + unsigned int atime_quantum; + signed short slot; +}; + static int ocfs2_parse_options(struct super_block *sb, char *options, - unsigned long *mount_opt, s16 *slot, + struct mount_options *mopt, int is_remount); static void ocfs2_put_super(struct super_block *sb); static int ocfs2_mount_volume(struct super_block *sb); @@ -367,24 +374,23 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) { int incompat_features; int ret = 0; - unsigned long parsed_options; - s16 slot; + struct mount_options parsed_options; struct ocfs2_super *osb = OCFS2_SB(sb); - if (!ocfs2_parse_options(sb, data, &parsed_options, &slot, 1)) { + if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) { ret = -EINVAL; goto out; } if ((osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) != - (parsed_options & OCFS2_MOUNT_HB_LOCAL)) { + (parsed_options.mount_opt & OCFS2_MOUNT_HB_LOCAL)) { ret = -EINVAL; mlog(ML_ERROR, "Cannot change heartbeat mode on remount\n"); goto out; } if ((osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK) != - (parsed_options & OCFS2_MOUNT_DATA_WRITEBACK)) { + (parsed_options.mount_opt & OCFS2_MOUNT_DATA_WRITEBACK)) { ret = -EINVAL; mlog(ML_ERROR, "Cannot change data mode on remount\n"); goto out; @@ -435,7 +441,9 @@ unlock_osb: /* Only save off the new mount options in case of a successful * remount. */ - osb->s_mount_opt = parsed_options; + osb->s_mount_opt = parsed_options.mount_opt; + osb->s_atime_quantum = parsed_options.atime_quantum; + osb->preferred_slot = parsed_options.slot; } out: return ret; @@ -547,8 +555,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) { struct dentry *root; int status, sector_size; - unsigned long parsed_opt; - s16 slot; + struct mount_options parsed_options; struct inode *inode = NULL; struct ocfs2_super *osb = NULL; struct buffer_head *bh = NULL; @@ -556,14 +563,14 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) mlog_entry("%p, %p, %i", sb, data, silent); - if (!ocfs2_parse_options(sb, data, &parsed_opt, &slot, 0)) { + if (!ocfs2_parse_options(sb, data, &parsed_options, 0)) { status = -EINVAL; goto read_super_error; } /* for now we only have one cluster/node, make sure we see it * in the heartbeat universe */ - if (parsed_opt & OCFS2_MOUNT_HB_LOCAL) { + if (parsed_options.mount_opt & OCFS2_MOUNT_HB_LOCAL) { if (!o2hb_check_local_node_heartbeating()) { status = -EINVAL; goto read_super_error; @@ -585,8 +592,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) } brelse(bh); bh = NULL; - osb->s_mount_opt = parsed_opt; - osb->preferred_slot = slot; + osb->s_mount_opt = parsed_options.mount_opt; + osb->s_atime_quantum = parsed_options.atime_quantum; + osb->preferred_slot = parsed_options.slot; sb->s_magic = OCFS2_SUPER_MAGIC; @@ -728,8 +736,7 @@ static struct file_system_type ocfs2_fs_type = { static int ocfs2_parse_options(struct super_block *sb, char *options, - unsigned long *mount_opt, - s16 *slot, + struct mount_options *mopt, int is_remount) { int status; @@ -738,8 +745,9 @@ static int ocfs2_parse_options(struct super_block *sb, mlog_entry("remount: %d, options: \"%s\"\n", is_remount, options ? options : "(none)"); - *mount_opt = 0; - *slot = OCFS2_INVALID_SLOT; + mopt->mount_opt = 0; + mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM; + mopt->slot = OCFS2_INVALID_SLOT; if (!options) { status = 1; @@ -749,7 +757,6 @@ static int ocfs2_parse_options(struct super_block *sb, while ((p = strsep(&options, ",")) != NULL) { int token, option; substring_t args[MAX_OPT_ARGS]; - struct ocfs2_super * osb = OCFS2_SB(sb); if (!*p) continue; @@ -757,10 +764,10 @@ static int ocfs2_parse_options(struct super_block *sb, token = match_token(p, tokens, args); switch (token) { case Opt_hb_local: - *mount_opt |= OCFS2_MOUNT_HB_LOCAL; + mopt->mount_opt |= OCFS2_MOUNT_HB_LOCAL; break; case Opt_hb_none: - *mount_opt &= ~OCFS2_MOUNT_HB_LOCAL; + mopt->mount_opt &= ~OCFS2_MOUNT_HB_LOCAL; break; case Opt_barrier: if (match_int(&args[0], &option)) { @@ -768,27 +775,27 @@ static int ocfs2_parse_options(struct super_block *sb, goto bail; } if (option) - *mount_opt |= OCFS2_MOUNT_BARRIER; + mopt->mount_opt |= OCFS2_MOUNT_BARRIER; else - *mount_opt &= ~OCFS2_MOUNT_BARRIER; + mopt->mount_opt &= ~OCFS2_MOUNT_BARRIER; break; case Opt_intr: - *mount_opt &= ~OCFS2_MOUNT_NOINTR; + mopt->mount_opt &= ~OCFS2_MOUNT_NOINTR; break; case Opt_nointr: - *mount_opt |= OCFS2_MOUNT_NOINTR; + mopt->mount_opt |= OCFS2_MOUNT_NOINTR; break; case Opt_err_panic: - *mount_opt |= OCFS2_MOUNT_ERRORS_PANIC; + mopt->mount_opt |= OCFS2_MOUNT_ERRORS_PANIC; break; case Opt_err_ro: - *mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC; + mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC; break; case Opt_data_ordered: - *mount_opt &= ~OCFS2_MOUNT_DATA_WRITEBACK; + mopt->mount_opt &= ~OCFS2_MOUNT_DATA_WRITEBACK; break; case Opt_data_writeback: - *mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK; + mopt->mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK; break; case Opt_atime_quantum: if (match_int(&args[0], &option)) { @@ -796,9 +803,7 @@ static int ocfs2_parse_options(struct super_block *sb, goto bail; } if (option >= 0) - osb->s_atime_quantum = option; - else - osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM; + mopt->atime_quantum = option; break; case Opt_slot: option = 0; @@ -807,7 +812,7 @@ static int ocfs2_parse_options(struct super_block *sb, goto bail; } if (option) - *slot = (s16)option; + mopt->slot = (s16)option; break; default: mlog(ML_ERROR, diff --git a/fs/proc/inode.c b/fs/proc/inode.c index a5b0dfd89a1..0e4d37c93ee 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -11,6 +11,7 @@ #include <linux/string.h> #include <linux/stat.h> #include <linux/completion.h> +#include <linux/poll.h> #include <linux/file.h> #include <linux/limits.h> #include <linux/init.h> @@ -232,7 +233,7 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts) { struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); - unsigned int rv = 0; + unsigned int rv = DEFAULT_POLLMASK; unsigned int (*poll)(struct file *, struct poll_table_struct *); spin_lock(&pde->pde_unload_lock); diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 5b68dd3f191..a005451930b 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1915,8 +1915,11 @@ static int reiserfs_release_dquot(struct dquot *dquot) ret = journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb)); - if (ret) + if (ret) { + /* Release dquot anyway to avoid endless cycle in dqput() */ + dquot_release(dquot); goto out; + } ret = dquot_release(dquot); err = journal_end(&th, dquot->dq_sb, @@ -2067,6 +2070,12 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type, size_t towrite = len; struct buffer_head tmp_bh, *bh; + if (!current->journal_info) { + printk(KERN_WARNING "reiserfs: Quota write (off=%Lu, len=%Lu)" + " cancelled because transaction is not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); while (towrite > 0) { tocopy = sb->s_blocksize - offset < towrite ? @@ -2098,7 +2107,7 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type, data += tocopy; blk++; } - out: +out: if (len == towrite) return err; if (inode->i_size < off + len - towrite) diff --git a/fs/select.c b/fs/select.c index a974082b082..46dca31c607 100644 --- a/fs/select.c +++ b/fs/select.c @@ -26,8 +26,6 @@ #include <asm/uaccess.h> -#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM) - struct poll_table_page { struct poll_table_page * next; struct poll_table_entry * entry; diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 276f7207a56..87e87dcd3f9 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -540,26 +540,24 @@ static void udf_table_free_blocks(struct super_block *sb, if (epos.offset + adsize > sb->s_blocksize) { loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); - sptr = UDF_I_DATA(inode) + epos.offset - - udf_file_entry_alloc_offset(inode) + - UDF_I_LENEATTR(inode) - adsize; + sptr = UDF_I_DATA(table) + epos.offset - adsize; dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); epos.offset = sizeof(struct allocExtDesc) + adsize; } else { loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); - sptr = oepos.bh->b_data + epos.offset; - epos.offset = sizeof(struct allocExtDesc); - if (oepos.bh) { + sptr = oepos.bh->b_data + epos.offset; aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } else { + sptr = UDF_I_DATA(table) + epos.offset; UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } + epos.offset = sizeof(struct allocExtDesc); } if (UDF_SB_UDFREV(sb) >= 0x0200) udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, diff --git a/fs/udf/super.c b/fs/udf/super.c index 382be7be5ae..c68a6e730b9 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -89,7 +89,7 @@ static int udf_find_fileset(struct super_block *, kernel_lb_addr *, static void udf_load_pvoldesc(struct super_block *, struct buffer_head *); static void udf_load_fileset(struct super_block *, struct buffer_head *, kernel_lb_addr *); -static void udf_load_partdesc(struct super_block *, struct buffer_head *); +static int udf_load_partdesc(struct super_block *, struct buffer_head *); static void udf_open_lvid(struct super_block *); static void udf_close_lvid(struct super_block *); static unsigned int udf_count_free(struct super_block *); @@ -877,7 +877,7 @@ static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, root->logicalBlockNum, root->partitionReferenceNum); } -static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) +static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) { struct partitionDesc *p; int i; @@ -912,6 +912,11 @@ static void 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); + return 1; + } UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE; udf_debug("unallocSpaceTable (part %d) @ %ld\n", i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino); @@ -938,6 +943,11 @@ static void 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); + return 1; + } UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE; udf_debug("freedSpaceTable (part %d) @ %ld\n", i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino); @@ -966,6 +976,7 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i), UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i)); } + return 0; } static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, @@ -1177,12 +1188,19 @@ static int udf_process_sequence(struct super_block *sb, long block, long lastblo udf_load_logicalvol(sb, bh, fileset); } else if (i == VDS_POS_PARTITION_DESC) { struct buffer_head *bh2 = NULL; - udf_load_partdesc(sb, bh); + if (udf_load_partdesc(sb, bh)) { + brelse(bh); + return 1; + } for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) { bh2 = udf_read_tagged(sb, j, j, &ident); gd = (struct generic_desc *)bh2->b_data; if (ident == TAG_IDENT_PD) - udf_load_partdesc(sb, bh2); + if (udf_load_partdesc(sb, bh2)) { + brelse(bh); + brelse(bh2); + return 1; + } brelse(bh2); } } diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h index b4acc7f3c37..e6ea293f303 100644 --- a/fs/xfs/linux-2.6/kmem.h +++ b/fs/xfs/linux-2.6/kmem.h @@ -103,7 +103,7 @@ extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast); static inline int kmem_shake_allow(gfp_t gfp_mask) { - return (gfp_mask & __GFP_WAIT); + return (gfp_mask & __GFP_WAIT) != 0; } #endif /* __XFS_SUPPORT_KMEM_H__ */ diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index fd4105d662e..d9c40fe6419 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -652,7 +652,7 @@ xfs_probe_cluster( for (i = 0; i < pagevec_count(&pvec); i++) { struct page *page = pvec.pages[i]; - size_t pg_offset, len = 0; + size_t pg_offset, pg_len = 0; if (tindex == tlast) { pg_offset = @@ -665,16 +665,16 @@ xfs_probe_cluster( pg_offset = PAGE_CACHE_SIZE; if (page->index == tindex && !TestSetPageLocked(page)) { - len = xfs_probe_page(page, pg_offset, mapped); + pg_len = xfs_probe_page(page, pg_offset, mapped); unlock_page(page); } - if (!len) { + if (!pg_len) { done = 1; break; } - total += len; + total += pg_len; tindex++; } diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/linux-2.6/xfs_globals.c index bb72c3d4141..81565dea9af 100644 --- a/fs/xfs/linux-2.6/xfs_globals.c +++ b/fs/xfs/linux-2.6/xfs_globals.c @@ -46,7 +46,7 @@ xfs_param_t xfs_params = { .inherit_nosym = { 0, 0, 1 }, .rotorstep = { 1, 1, 255 }, .inherit_nodfrg = { 0, 1, 1 }, - .fstrm_timer = { 1, 50, 3600*100}, + .fstrm_timer = { 1, 30*100, 3600*100}, }; /* diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 2d274b23ade..6ff0f4de163 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -120,7 +120,8 @@ xfs_Gqm_init(void) * Initialize the dquot hash tables. */ udqhash = kmem_zalloc_greedy(&hsize, - XFS_QM_HASHSIZE_LOW, XFS_QM_HASHSIZE_HIGH, + XFS_QM_HASHSIZE_LOW * sizeof(xfs_dqhash_t), + XFS_QM_HASHSIZE_HIGH * sizeof(xfs_dqhash_t), KM_SLEEP | KM_MAYFAIL | KM_LARGE); gdqhash = kmem_zalloc(hsize, KM_SLEEP | KM_LARGE); hsize /= sizeof(xfs_dqhash_t); diff --git a/fs/xfs/support/debug.h b/fs/xfs/support/debug.h index a27a7c8c052..855da040864 100644 --- a/fs/xfs/support/debug.h +++ b/fs/xfs/support/debug.h @@ -34,10 +34,10 @@ extern void cmn_err(int, char *, ...) extern void assfail(char *expr, char *f, int l); #define ASSERT_ALWAYS(expr) \ - (unlikely((expr) != 0) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) + (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) #ifndef DEBUG -# define ASSERT(expr) ((void)0) +#define ASSERT(expr) ((void)0) #ifndef STATIC # define STATIC static noinline @@ -49,8 +49,10 @@ extern void assfail(char *expr, char *f, int l); #else /* DEBUG */ -# define ASSERT(expr) ASSERT_ALWAYS(expr) -# include <linux/random.h> +#include <linux/random.h> + +#define ASSERT(expr) \ + (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) #ifndef STATIC # define STATIC noinline diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index aea37df4aa6..26d09e2e1a7 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -1975,7 +1975,6 @@ xfs_da_do_buf( error = mappedbno == -2 ? 0 : XFS_ERROR(EFSCORRUPTED); if (unlikely(error == EFSCORRUPTED)) { if (xfs_error_level >= XFS_ERRLEVEL_LOW) { - int i; cmn_err(CE_ALERT, "xfs_da_do_buf: bno %lld\n", (long long)bno); cmn_err(CE_ALERT, "dir: inode %lld\n", diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 9d4c4fbeb3e..9bfb69e1e88 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -2185,13 +2185,13 @@ xlog_state_do_callback( } cb = iclog->ic_callback; - while (cb != 0) { + while (cb) { iclog->ic_callback_tail = &(iclog->ic_callback); iclog->ic_callback = NULL; LOG_UNLOCK(log, s); /* perform callbacks in the order given */ - for (; cb != 0; cb = cb_next) { + for (; cb; cb = cb_next) { cb_next = cb->cb_next; cb->cb_func(cb->cb_arg, aborted); } @@ -2202,7 +2202,7 @@ xlog_state_do_callback( loopdidcallbacks++; funcdidcallbacks++; - ASSERT(iclog->ic_callback == 0); + ASSERT(iclog->ic_callback == NULL); if (!(iclog->ic_state & XLOG_STATE_IOERROR)) iclog->ic_state = XLOG_STATE_DIRTY; @@ -3242,10 +3242,10 @@ xlog_ticket_put(xlog_t *log, #else /* When we debug, it is easier if tickets are cycled */ ticket->t_next = NULL; - if (log->l_tail != 0) { + if (log->l_tail) { log->l_tail->t_next = ticket; } else { - ASSERT(log->l_freelist == 0); + ASSERT(log->l_freelist == NULL); log->l_freelist = ticket; } log->l_tail = ticket; @@ -3463,7 +3463,7 @@ xlog_verify_iclog(xlog_t *log, s = LOG_LOCK(log); icptr = log->l_iclog; for (i=0; i < log->l_iclog_bufs; i++) { - if (icptr == 0) + if (icptr == NULL) xlog_panic("xlog_verify_iclog: invalid ptr"); icptr = icptr->ic_next; } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index fddbb091a86..8ae6e8e5f3d 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1366,7 +1366,7 @@ xlog_recover_add_to_cont_trans( int old_len; item = trans->r_itemq; - if (item == 0) { + if (item == NULL) { /* finish copying rest of trans header */ xlog_recover_add_item(&trans->r_itemq); ptr = (xfs_caddr_t) &trans->r_theader + @@ -1412,7 +1412,7 @@ xlog_recover_add_to_trans( if (!len) return 0; item = trans->r_itemq; - if (item == 0) { + if (item == NULL) { ASSERT(*(uint *)dp == XFS_TRANS_HEADER_MAGIC); if (len == sizeof(xfs_trans_header_t)) xlog_recover_add_item(&trans->r_itemq); @@ -1467,12 +1467,12 @@ xlog_recover_unlink_tid( xlog_recover_t *tp; int found = 0; - ASSERT(trans != 0); + ASSERT(trans != NULL); if (trans == *q) { *q = (*q)->r_next; } else { tp = *q; - while (tp != 0) { + while (tp) { if (tp->r_next == trans) { found = 1; break; @@ -1495,7 +1495,7 @@ xlog_recover_insert_item_backq( xlog_recover_item_t **q, xlog_recover_item_t *item) { - if (*q == 0) { + if (*q == NULL) { item->ri_prev = item->ri_next = item; *q = item; } else { @@ -1899,7 +1899,7 @@ xlog_recover_do_reg_buffer( break; nbits = xfs_contig_bits(data_map, map_size, bit); ASSERT(nbits > 0); - ASSERT(item->ri_buf[i].i_addr != 0); + ASSERT(item->ri_buf[i].i_addr != NULL); ASSERT(item->ri_buf[i].i_len % XFS_BLI_CHUNK == 0); ASSERT(XFS_BUF_COUNT(bp) >= ((uint)bit << XFS_BLI_SHIFT)+(nbits<<XFS_BLI_SHIFT)); |