From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-bw0-f49.google.com ([209.85.214.49]) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1PHDVp-0000gK-VN for linux-mtd@lists.infradead.org; Sat, 13 Nov 2010 10:39:14 +0000 Received: by bwz5 with SMTP id 5so3936285bwz.36 for ; Sat, 13 Nov 2010 02:39:12 -0800 (PST) Subject: Re: [PATCH 1/5] mtd: fix bdev exclusive open bugs in block2mtd::add_device() From: Artem Bityutskiy To: Tejun Heo In-Reply-To: <1288628129-12811-2-git-send-email-tj@kernel.org> References: <1288628129-12811-1-git-send-email-tj@kernel.org> <1288628129-12811-2-git-send-email-tj@kernel.org> Content-Type: text/plain; charset="UTF-8" Date: Sat, 13 Nov 2010 12:38:55 +0200 Message-ID: <1289644735.2218.8.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: jack@suse.cz, leochen@broadcom.com, neilb@suse.de, heiko.carstens@de.ibm.com, dm-devel@redhat.com, adilger.kernel@dilger.ca, konishi.ryusuke@lab.ntt.co.jp, shaggy@linux.vnet.ibm.com, drbd-dev@lists.linbit.com, joel.becker@oracle.com, hch@infradead.org, aelder@sgi.com, mfasheh@suse.com, joern@logfs.org, reiserfs-devel@vger.kernel.org, viro@zeniv.linux.org.uk, swhiteho@redhat.com, chris.mason@oracle.com, axboe@kernel.dk, tytso@mit.edu, petero2@telia.com, linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com, linux-mtd@lists.infradead.org, akpm@linux-foundation.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, On Mon, 2010-11-01 at 17:15 +0100, Tejun Heo wrote: > + if (!IS_ERR(bdev)) { > + int ret; > + ret = bd_claim(bdev, dev); > + if (ret) { > + blkdev_put(bdev, > + FMODE_READ | FMODE_WRITE); Would be a bit cleaner to define ea temporary variable: fmode_t mode = FMODE_READ | FMODE_WRITE; Would you to re-send with this little change please? And ideally, 2 independent patches would be nicer because you fix 2 independent issues. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)