From bd7f4eab0f99ea0fd9bf1dd69ee8366a50c9c6ef Mon Sep 17 00:00:00 2001
From: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Date: Sun, 5 Jul 2009 12:08:08 -0700
Subject: [PATCH] --- yaml --- r: 154908 b: refs/heads/master c:
 3beab0b42413e83a7907db7176b54c840fc75a81 h: refs/heads/master v: v3

---
 [refs]          | 2 +-
 trunk/fs/sync.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index b9fde8c2670b..9410081c5444 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f386c61fe1a1f36f0e434f1b577e6b112698caf7
+refs/heads/master: 3beab0b42413e83a7907db7176b54c840fc75a81
diff --git a/trunk/fs/sync.c b/trunk/fs/sync.c
index dd200025af85..3422ba61d86d 100644
--- a/trunk/fs/sync.c
+++ b/trunk/fs/sync.c
@@ -112,8 +112,13 @@ static void sync_filesystems(int wait)
 	mutex_unlock(&mutex);
 }
 
+/*
+ * sync everything.  Start out by waking pdflush, because that writes back
+ * all queues in parallel.
+ */
 SYSCALL_DEFINE0(sync)
 {
+	wakeup_pdflush(0);
 	sync_filesystems(0);
 	sync_filesystems(1);
 	if (unlikely(laptop_mode))