[PATCH 12/25] quota: Make Q_XQUOTASYNC support VFS quota syncing

Jan Kara
2014-12-18T15:38:02Z

Call ->quota_sync method from Q_XQUOTASYNC for better userspace
compatibility.

Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/quota/quota.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 2cc50b35a3b5..5ec04321aace 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -477,8 +477,9 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
case Q_XQUOTASYNC:
if (sb->s_flags & MS_RDONLY)
return -EROFS;
- /* XFS quotas are fully coherent now, making this call a noop */
- return 0;
+ if (!sb->s_qcop->quota_sync)
+ return 0;
+ return sb->s_qcop->quota_sync(sb, type);
default:
return -EINVAL;