linux-kernel - [PATCH 2/7] block: remove redundant check to bd

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Date:	Fri, 25 Jan 2013 18:56:17 +0800
From:	Guo Chao <yan@...ux.vnet.ibm.com>
To:	axboe@...nel.dk
Cc:	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH 2/7] block: remove redundant check to bd_openers

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

Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org
Signed-off-by: Guo Chao <yan@...ux.vnet.ibm.com>
---
 fs/block_dev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 82b7c9a..2f70584 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1119,7 +1119,7 @@ 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)
-- 
1.7.9.5

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