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quota: ext4: make ext4 handle quotaon on remount 

Update ext4 to 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>
hifive-unleashed-5.1
Jan Kara 2008-04-28 02:14:34 -07:00 committed by Linus Torvalds
parent 2fd83a4f3c
commit 6f28e08794
1 changed files with 8 additions and 7 deletions
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15
fs/ext4/super.c
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@ -813,7 +813,8 @@ static int ext4_acquire_dquot(struct dquot *dquot);
static int ext4_release_dquot(struct dquot *dquot);
static int ext4_mark_dquot_dirty(struct dquot *dquot);
static int ext4_write_info(struct super_block *sb, int type);
static int ext4_quota_on(struct super_block *sb, int type, int format_id, char *path);
static int ext4_quota_on(struct super_block *sb, int type, int format_id,
char *path, int remount);
static int ext4_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off);
@ -1632,7 +1633,7 @@ static void ext4_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 */
@ -3143,7 +3144,7 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int ext4_quota_on(struct super_block *sb, int type, int format_id,
char *path)
char *path, int remount)
{
int err;
struct nameidata nd;
@ -3151,9 +3152,9 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
if (!test_opt(sb, QUOTA))
return -EINVAL;
/* Not journalling quota? */
if (!EXT4_SB(sb)->s_qf_names[USRQUOTA] &&
!EXT4_SB(sb)->s_qf_names[GRPQUOTA])
return vfs_quota_on(sb, type, format_id, path);
if ((!EXT4_SB(sb)->s_qf_names[USRQUOTA] &&
!EXT4_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;
@ -3168,7 +3169,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
"EXT4-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