Commit de33127d authored Feb 21, 2013 by Guo Chao Committed by Jens Axboe Feb 22, 2013

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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent d646a02a

fs/block_dev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)