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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-21 07:33:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-21 07:33:37 -0800
commit4843456c5c341eb57f80f9224362a22665d14107 (patch)
tree5656b405a8b1d2596e8eb748b953ee677a261e3c /fs/reiserfs
parent2b1caf6ed7b888c95a1909d343799672731651a5 (diff)
parentf00c9e44ad1a9660fe8cd3ca15b6cd9497172eab (diff)
downloadlinux-4843456c5c341eb57f80f9224362a22665d14107.tar.bz2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: quota: Fix deadlock during path resolution
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/super.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 2575682a9ead..0aab04f46827 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -632,7 +632,7 @@ static int reiserfs_acquire_dquot(struct dquot *);
static int reiserfs_release_dquot(struct dquot *);
static int reiserfs_mark_dquot_dirty(struct dquot *);
static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *);
+static int reiserfs_quota_on(struct super_block *, int, int, struct path *);
static const struct dquot_operations reiserfs_quota_operations = {
.write_dquot = reiserfs_write_dquot,
@@ -2048,25 +2048,21 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
- char *name)
+ struct path *path)
{
int err;
- struct path path;
struct inode *inode;
struct reiserfs_transaction_handle th;
if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
return -EINVAL;
- err = kern_path(name, LOOKUP_FOLLOW, &path);
- if (err)
- return err;
/* Quotafile not on the same filesystem? */
- if (path.mnt->mnt_sb != sb) {
+ if (path->mnt->mnt_sb != sb) {
err = -EXDEV;
goto out;
}
- inode = path.dentry->d_inode;
+ inode = path->dentry->d_inode;
/* We must not pack tails for quota files on reiserfs for quota IO to work */
if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
err = reiserfs_unpack(inode, NULL);
@@ -2082,7 +2078,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
/* Journaling quota? */
if (REISERFS_SB(sb)->s_qf_names[type]) {
/* Quotafile not of fs root? */
- if (path.dentry->d_parent != sb->s_root)
+ if (path->dentry->d_parent != sb->s_root)
reiserfs_warning(sb, "super-6521",
"Quota file not on filesystem root. "
"Journalled quota will not work.");
@@ -2101,9 +2097,8 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
if (err)
goto out;
}
- err = dquot_quota_on_path(sb, type, format_id, &path);
+ err = dquot_quota_on(sb, type, format_id, path);
out:
- path_put(&path);
return err;
}