From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757023Ab3AYK6G (ORCPT ); Fri, 25 Jan 2013 05:58:06 -0500 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:48859 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756814Ab3AYK4i (ORCPT ); Fri, 25 Jan 2013 05:56:38 -0500 From: Guo Chao To: axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, Alexander Viro , linux-fsdevel@vger.kernel.org Subject: [PATCH 2/7] block: remove redundant check to bd_openers Date: Fri, 25 Jan 2013 18:56:17 +0800 Message-Id: <1359111382-12654-3-git-send-email-yan@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359111382-12654-1-git-send-email-yan@linux.vnet.ibm.com> References: <1359111382-12654-1-git-send-email-yan@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13012510-5816-0000-0000-000006687A1B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org bd_openers is stable under bd_mutex, no need to check it twice. Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Guo Chao --- 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