Update ext4 to handle quotaon on remount RW.

Signed-off-by: Jan Kara

---
super.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 13383ba..5aaf03c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -813,7 +813,7 @@ 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 +1632,7 @@ 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 +3143,7 @@ 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 +3151,9 @@ 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 +3168,7 @@ 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
--
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