From 21799ad4a7e6b7df8ace5cb65ee80c3d167d9f12 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
Date: Mon, 19 Mar 2012 12:46:42 +1100
Subject: [PATCH] --- yaml --- r: 292806 b: refs/heads/master c:
 ecb178bb2b154a40cfae9fa4c42e62ccfa81ac6b h: refs/heads/master v: v3

---
 [refs]                | 2 +-
 trunk/drivers/md/md.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 8b73871fe179..3591b133a2b4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d0962936bff659d20522555b517582a2715fd23f
+refs/heads/master: ecb178bb2b154a40cfae9fa4c42e62ccfa81ac6b
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index 21a90efb13b7..b572e1e386ce 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -8021,7 +8021,7 @@ void md_ack_all_badblocks(struct badblocks *bb)
 		return;
 	write_seqlock_irq(&bb->lock);
 
-	if (bb->changed == 0) {
+	if (bb->changed == 0 && bb->unacked_exist) {
 		u64 *p = bb->page;
 		int i;
 		for (i = 0; i < bb->count ; i++) {