From: Guo Chao <yan@linux.vnet.ibm.com>
Date: Thu, 7 Feb 2013 01:26:05 +0000 (+1100)
Subject: block: remove redundant check to bd_openers()
X-Git-Tag: next-20130218~1^2~518
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a64eaf59b15a57cb4ba8a05bdaa77e99ce376915;p=karo-tx-linux.git

block: remove redundant check to bd_openers()

bd_openers is stable under bd_mutex, no need to check it twice.

Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Guo Chao <yan@linux.vnet.ibm.com>
Cc: M. Hindess <hindessm@uk.ibm.com>
Cc: Nikanth Karthikesan <knikanth@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 78edf767b5cc..120309484487 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1120,7 +1120,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
 				}
 			}
 
-			if (!ret && !bdev->bd_openers) {
+			if (!ret) {
 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
 				bdi = blk_get_backing_dev_info(bdev);
 				if (bdi == NULL)