From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F756C43464 for ; Mon, 21 Sep 2020 07:20:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E18372067D for ; Mon, 21 Sep 2020 07:20:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QdOcNpos" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E18372067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3410E900030; Mon, 21 Sep 2020 03:20:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2F6B1900029; Mon, 21 Sep 2020 03:20:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0FBEF900030; Mon, 21 Sep 2020 03:20:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0096.hostedemail.com [216.40.44.96]) by kanga.kvack.org (Postfix) with ESMTP id DD00F900029 for ; Mon, 21 Sep 2020 03:20:28 -0400 (EDT) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9DB8182499A8 for ; Mon, 21 Sep 2020 07:20:28 +0000 (UTC) X-FDA: 77286220536.14.verse76_2104c1227143 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id 781AD18229818 for ; Mon, 21 Sep 2020 07:20:28 +0000 (UTC) X-HE-Tag: verse76_2104c1227143 X-Filterd-Recvd-Size: 3160 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf12.hostedemail.com (Postfix) with ESMTP for ; Mon, 21 Sep 2020 07:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=dTpGHfaq95OXqjnAvo7A5jn1vW+VHQingvSWd7mRhfA=; b=QdOcNposcwYu+a18qo8HKUQOVa owxQ93mb8hCAa1UT9tDRjhw1EiVvUItpm/IPt7jsF1CUnH1ym51XO/y4iNULGA9v2UISW56iS+0A3 cNr+HUteRyfStSo7geEGY/wYgR7XHQibQZPEgYdFUw1l3rJXxhHmfdjPPZQ65bHnyIqBEpgHhOLX3 IHmEw3nRZlcaPASPSdenJs5YdzlHwCmeSP9DHkdfqTikasl8Va2l9t9h0IlVSyMm1rVqwC8KfTcov v4yBU2uqAOMVcycpwSGwD3Yvqzk54vUWzJ8PLCIEWlOJV5OSEr2K0GoSInA2Sbqf9AB3SR9fVegGT xTqvINgA==; Received: from p4fdb0c34.dip0.t-ipconnect.de ([79.219.12.52] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKG76-0003EO-P2; Mon, 21 Sep 2020 07:19:53 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Josef Bacik , Minchan Kim , Stefan Haberland , Jan Hoeppner , Joseph Qi , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Andrew Morton , linux-kernel@vger.kernel.org, nbd@other.debian.org, linux-ide@vger.kernel.org, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-pm@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org Subject: [PATCH 03/14] block: cleanup blkdev_bszset Date: Mon, 21 Sep 2020 09:19:47 +0200 Message-Id: <20200921071958.307589-4-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200921071958.307589-1-hch@lst.de> References: <20200921071958.307589-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Use blkdev_get_by_dev instead of bdgrab + blkdev_get. Signed-off-by: Christoph Hellwig --- block/ioctl.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index ae74d0409afab9..06262c28f0c6c1 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -478,15 +478,14 @@ static int blkdev_bszset(struct block_device *bdev,= fmode_t mode, if (get_user(n, argp)) return -EFAULT; =20 - if (!(mode & FMODE_EXCL)) { - bdgrab(bdev); - if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) - return -EBUSY; - } + if (mode & FMODE_EXCL) + return set_blocksize(bdev, n); =20 + if (IS_ERR(blkdev_get_by_dev(bdev->bd_dev, mode | FMODE_EXCL, &bdev))) + return -EBUSY; ret =3D set_blocksize(bdev, n); - if (!(mode & FMODE_EXCL)) - blkdev_put(bdev, mode | FMODE_EXCL); + blkdev_put(bdev, mode | FMODE_EXCL); + return ret; } =20 --=20 2.28.0