From 2fedb9b26bc37c4bd430aa6b66cddf84b021c3d5 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 27 Apr 2009 16:43:55 +0200
Subject: [PATCH] --- yaml --- r: 147835 b: refs/heads/master c:
 c3f8a40c1cd5591b882497d1d00d43d0e5bb4698 h: refs/heads/master i:   147833:
 6a881d8ea304c52170ba1fc7af0125541cc73046   147831:
 90e79c053dac442277183790bba76433a4e7f866 v: v3

---
 [refs]                         | 2 +-
 trunk/fs/sync.c                | 6 +++++-
 trunk/include/linux/quotaops.h | 9 +++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 75bc7b4e7040..58b4d5b9faf4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 850b201b087f5525a0a7278551c2bcd0423c3b26
+refs/heads/master: c3f8a40c1cd5591b882497d1d00d43d0e5bb4698
diff --git a/trunk/fs/sync.c b/trunk/fs/sync.c
index d90ab7764555..4487b5560dc8 100644
--- a/trunk/fs/sync.c
+++ b/trunk/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/trunk/include/linux/quotaops.h b/trunk/include/linux/quotaops.h
index 047310fa22fb..7bc457593684 100644
--- a/trunk/include/linux/quotaops.h
+++ b/trunk/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;