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-rw-r--r--fs/sync.c6
-rw-r--r--include/linux/quotaops.h9
2 files changed, 14 insertions, 1 deletions
diff --git a/fs/sync.c b/fs/sync.c
index d90ab7764555..4487b5560dc8 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -27,7 +27,11 @@
*/
static int __sync_filesystem(struct super_block *sb, int wait)
{
- sync_quota_sb(sb, -1);
+ /* Avoid doing twice syncing and cache pruning for quota sync */
+ if (!wait)
+ writeout_quota_sb(sb, -1);
+ else
+ sync_quota_sb(sb, -1);
sync_inodes_sb(sb, wait);
lock_super(sb);
if (sb->s_dirt && sb->s_op->write_super)
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 047310fa22fb..7bc457593684 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -21,6 +21,11 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
* declaration of quota_function calls in kernel.
*/
void sync_quota_sb(struct super_block *sb, int type);
+static inline void writeout_quota_sb(struct super_block *sb, int type)
+{
+ if (sb->s_qcop->quota_sync)
+ sb->s_qcop->quota_sync(sb, type);
+}
int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);
@@ -333,6 +338,10 @@ static inline void sync_quota_sb(struct super_block *sb, int type)
{
}
+static inline void writeout_quota_sb(struct super_block *sb, int type)
+{
+}
+
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
return 0;