From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kedacomkernel" Subject: md:Add judgement bb->unacked_exist in function Date: Thu, 8 Mar 2012 17:37:45 +0800 Message-ID: <201203081737420934967@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: linux-raid List-Id: linux-raid.ids >From 7054a9dcd23a721e3c3dd2ceb8f1243187ea5cc4 Mon Sep 17 00:00:00 2001 From: majianpeng Date: Thu, 8 Mar 2012 17:31:32 +0800 Subject: [PATCH] md:Add judgement bb->unacked_exist in function md_ack_all_badblocks(). Signed-off-by: majianpeng --- drivers/md/md.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index ce88755..7c57d0f 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -8040,7 +8040,7 @@ 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++) { -- 1.7.5.4 -------------- kedacomkernel 2012-03-08