From patchwork Mon Sep 21 07:19:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11788633 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 2C4C6618 for ; Mon, 21 Sep 2020 07:46:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AAFBB20874 for ; Mon, 21 Sep 2020 07:46:42 +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="rR+xdh0v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AAFBB20874 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 B3947900033; Mon, 21 Sep 2020 03:46:41 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id AEA8A900029; Mon, 21 Sep 2020 03:46:41 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A271F900033; Mon, 21 Sep 2020 03:46:41 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0198.hostedemail.com [216.40.44.198]) by kanga.kvack.org (Postfix) with ESMTP id 8E771900029 for ; Mon, 21 Sep 2020 03:46:41 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 568A2180AD801 for ; Mon, 21 Sep 2020 07:46:41 +0000 (UTC) X-FDA: 77286286602.28.bread34_281793127143 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id 38FD46C04 for ; Mon, 21 Sep 2020 07:46:41 +0000 (UTC) X-Spam-Summary: 1,0,0,fab3bde85b0632f5,d41d8cd98f00b204,batv+776a1a22abff015854b2+6238+infradead.org+hch@casper.srs.infradead.org,,RULES_HIT:41:69:355:379:541:800:960:988:989:1260:1311:1314:1345:1359:1515:1534:1541:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3351:3866:4605:5007:6114:6261:6642:6653:6742:9592:10004:11026:11232:11473:11658:11914:12043:12114:12160:12296:12297:12438:12517:12519:12555:12895:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21451:21627:21990:30054:30090,0,RBL:90.155.50.34:@casper.srs.infradead.org:.lbl8.mailshell.net-64.201.201.201 62.8.15.100;04y8ef9wkp4ajgedjcoeyx6zu9cidopxxq67qqepquzaic4agnmx4jjnwj848jp.swfh697xqcp8ynj4u6tg1qgnem9fbzy1jnh93mye4jzonog44zw3ft1gfg83iej.h-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: bread34_281793127143 X-Filterd-Recvd-Size: 3359 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Mon, 21 Sep 2020 07:46:40 +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=h4/QAG7XZ2LCco1JGzki/qWfOc0KsyEC+JNPlpp1wQs=; b=rR+xdh0vm8Noc5mUmvFDkm382Y 2/hBIY6JnJ/t5EJ/+4CkoFQwcplR8SmigV0bGKUQHjtFPo+zFY5bAhrP9J34SO9L3mIRVu6uPWfio eb+xYTNQ212M5Av8vWYE8W6wSDyveZsA7OK4P7UJ0neZC4NAuadFp7uE0rxtUH7widtkZKBfJWFVx cgu5vP4udQ1r7N2E0rZaDsPs7/Z+O6AbXkrPytdYHpV+l88YVd7OJdaCt5IP16sYkWxOW8ujzcCcE Oz8ezB17rjqJ2smetvrxQy6Y342pmj76dAhlR/zDmbP1D/XTK2f5Q2McAVRNsEO4Qg81EjcgzptIR 3+b9FgWA==; 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 1kKG7C-0003FI-Bs; Mon, 21 Sep 2020 07:19:58 +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 08/14] dasd: cleanup dasd_scan_partitions Date: Mon, 21 Sep 2020 09:19:52 +0200 Message-Id: <20200921071958.307589-9-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 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 bdget_disk + blkdev_get. Signed-off-by: Christoph Hellwig Reviewed-by: Stefan Haberland --- drivers/s390/block/dasd_genhd.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index af5b0ecb8f8923..a9698fba9b76ce 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -101,18 +101,11 @@ int dasd_scan_partitions(struct dasd_block *block) struct block_device *bdev; int rc; - bdev = bdget_disk(block->gdp, 0); - if (!bdev) { - DBF_DEV_EVENT(DBF_ERR, block->base, "%s", - "scan partitions error, bdget returned NULL"); - return -ENODEV; - } - - rc = blkdev_get(bdev, FMODE_READ, NULL); - if (rc < 0) { + bdev = blkdev_get_by_dev(disk_devt(block->gdp), FMODE_READ, NULL); + if (IS_ERR(bdev)) { DBF_DEV_EVENT(DBF_ERR, block->base, - "scan partitions error, blkdev_get returned %d", - rc); + "scan partitions error, blkdev_get returned %ld", + PTR_ERR(bdev)); return -ENODEV; }