From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [md PATCH 23/23] md: Add judgement bb->unacked_exist in function md_ack_all_badblocks(). Date: Wed, 14 Mar 2012 15:40:42 +1100 Message-ID: <20120314044041.7978.83573.stgit@notabene.brown> References: <20120314043555.7978.75486.stgit@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120314043555.7978.75486.stgit@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids From: majianpeng If there are no unacked bad blocks, then there is no point searching for them to acknowledge them. Signed-off-by: majianpeng Signed-off-by: NeilBrown --- 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 e9913bf..3b6f4d0 100644 --- a/drivers/md/md.c +++ b/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++) {