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quota: ext3: make ext3 handle quotaon on remount 

Update ext3 handle quotaon on remount RW.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara 2008-04-28 02:14:34 -07:00 committed by Linus Torvalds
parent 0ff5af8340
commit 2fd83a4f3c
1 changed files with 10 additions and 9 deletions
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19
fs/ext3/super.c
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@ -685,7 +685,8 @@ static int ext3_acquire_dquot(struct dquot *dquot);
static int ext3_release_dquot(struct dquot *dquot);
static int ext3_mark_dquot_dirty(struct dquot *dquot);
static int ext3_write_info(struct super_block *sb, int type);
static int ext3_quota_on(struct super_block *sb, int type, int format_id, char *path);
static int ext3_quota_on(struct super_block *sb, int type, int format_id,
char *path, int remount);
static int ext3_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off);
@ -1415,7 +1416,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
vfs_quota_off(sb, i);
vfs_quota_off(sb, i, 0);
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@ -2743,17 +2744,17 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int ext3_quota_on(struct super_block *sb, int type, int format_id,
char *path)
char *path, int remount)
{
int err;
struct nameidata nd;
if (!test_opt(sb, QUOTA))
return -EINVAL;
/* Not journalling quota? */
if (!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
!EXT3_SB(sb)->s_qf_names[GRPQUOTA])
return vfs_quota_on(sb, type, format_id, path);
/* Not journalling quota or remount? */
if ((!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
!EXT3_SB(sb)->s_qf_names[GRPQUOTA]) || remount)
return vfs_quota_on(sb, type, format_id, path, remount);
err = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (err)
return err;
@ -2762,13 +2763,13 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
path_put(&nd.path);
return -EXDEV;
}
/* Quotafile not of fs root? */
/* Quotafile not in fs root? */
if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT3-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
path_put(&nd.path);
return vfs_quota_on(sb, type, format_id, path);
return vfs_quota_on(sb, type, format_id, path, remount);
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford