block: remove redundant check to bd_openers()
authorGuo Chao <yan@linux.vnet.ibm.com>
Thu, 21 Feb 2013 23:16:43 +0000 (15:16 -0800)
committerJens Axboe <axboe@kernel.dk>
Fri, 22 Feb 2013 09:42:46 +0000 (10:42 +0100)
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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/block_dev.c

index 82b7c9ad29acef2eab0c20439de63fe7e8cd7b4b..2f7058421ffb0abb2c67364324d6ab503db49786 100644 (file)
@@ -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)