From patchwork Thu Sep 17 16:57:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11783127 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 583F1618 for ; Thu, 17 Sep 2020 17:25:15 +0000 (UTC) Received: from userp2120.oracle.com (userp2120.oracle.com [156.151.31.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 08581221E3 for ; Thu, 17 Sep 2020 17:25:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 08581221E3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=ocfs2-devel-bounces@oss.oracle.com Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08HHOr76044428; Thu, 17 Sep 2020 17:24:59 GMT Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 33j91dvc5u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 17 Sep 2020 17:24:59 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08HHJuwY052775; Thu, 17 Sep 2020 17:24:59 GMT Received: from oss.oracle.com (oss-old-reserved.oracle.com [137.254.22.2]) by userp3020.oracle.com with ESMTP id 33hm35832f-1 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO); Thu, 17 Sep 2020 17:24:59 +0000 Received: from localhost ([127.0.0.1] helo=lb-oss.oracle.com) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1kIxbR-0007fg-Dq; Thu, 17 Sep 2020 10:21:49 -0700 Received: from aserp3030.oracle.com ([141.146.126.71]) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1kIxbE-0007ei-Ag for ocfs2-devel@oss.oracle.com; Thu, 17 Sep 2020 10:21:36 -0700 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08HHK5Np064991 for ; Thu, 17 Sep 2020 17:21:36 GMT Received: from userp2030.oracle.com (userp2030.oracle.com [156.151.31.89]) by aserp3030.oracle.com with ESMTP id 33khpncqs9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 17 Sep 2020 17:21:36 +0000 Received: from pps.filterd (userp2030.oracle.com [127.0.0.1]) by userp2030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08HHELML020260 for ; Thu, 17 Sep 2020 17:21:35 GMT Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by userp2030.oracle.com with ESMTP id 33gmcj39j4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Thu, 17 Sep 2020 17:21:35 +0000 Received: from 089144214092.atnat0023.highway.a1.net ([89.144.214.92] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIxb1-0001y1-JQ; Thu, 17 Sep 2020 17:21:23 +0000 From: Christoph Hellwig To: Jens Axboe Date: Thu, 17 Sep 2020 18:57:16 +0200 Message-Id: <20200917165720.3285256-11-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200917165720.3285256-1-hch@lst.de> References: <20200917165720.3285256-1-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 X-PDR: PASS X-Source-IP: 90.155.50.34 X-ServerName: casper.infradead.org X-Proofpoint-SPF-Result: None X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9747 signatures=668679 X-Proofpoint-Spam-Details: rule=tap_notspam policy=tap score=0 clxscore=76 impostorscore=0 bulkscore=0 suspectscore=0 adultscore=0 priorityscore=156 mlxlogscore=651 malwarescore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170128 X-Spam: Clean Cc: linux-ide@vger.kernel.org, Len Brown , Jan Hoeppner , Minchan Kim , linux-s390@vger.kernel.org, linux-pm@vger.kernel.org, "Rafael J. Wysocki" , Josef Bacik , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, Stefan Haberland , Pavel Machek , linux-fsdevel@vger.kernel.org, nbd@other.debian.org, ocfs2-devel@oss.oracle.com Subject: [Ocfs2-devel] [PATCH 10/14] mm: cleanup claim_swapfile X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9747 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 bulkscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 phishscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170129 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9747 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 mlxlogscore=999 clxscore=1034 adultscore=0 lowpriorityscore=0 spamscore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170130 Use blkdev_get_by_dev instead of bdgrab + blkdev_get. Signed-off-by: Christoph Hellwig --- mm/swapfile.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index 12f59e641b5e29..7438c4affc75fa 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2920,10 +2920,10 @@ static int claim_swapfile(struct swap_info_struct *p, struct inode *inode) int error; if (S_ISBLK(inode->i_mode)) { - p->bdev = bdgrab(I_BDEV(inode)); - error = blkdev_get(p->bdev, + p->bdev = blkdev_get_by_dev(inode->i_rdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL, p); - if (error < 0) { + if (IS_ERR(p->bdev)) { + error = PTR_ERR(p->bdev); p->bdev = NULL; return error; }