From patchwork Tue Nov 24 13:27:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11928889 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 F0A5DC82582 for ; Tue, 24 Nov 2020 13:30:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5EBBD204EC for ; Tue, 24 Nov 2020 13:30:03 +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="PQ5bqena" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EBBD204EC 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 618A56B0110; Tue, 24 Nov 2020 08:29:17 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5A2326B0112; Tue, 24 Nov 2020 08:29:17 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 41B476B0113; Tue, 24 Nov 2020 08:29:17 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0077.hostedemail.com [216.40.44.77]) by kanga.kvack.org (Postfix) with ESMTP id 279526B0110 for ; Tue, 24 Nov 2020 08:29:17 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id E847A3630 for ; Tue, 24 Nov 2020 13:29:16 +0000 (UTC) X-FDA: 77519393112.17.lamp92_5c027532736e Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin17.hostedemail.com (Postfix) with ESMTP id C95D0180D0180 for ; Tue, 24 Nov 2020 13:29:16 +0000 (UTC) X-HE-Tag: lamp92_5c027532736e X-Filterd-Recvd-Size: 3750 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf02.hostedemail.com (Postfix) with ESMTP for ; Tue, 24 Nov 2020 13:29:16 +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=rkhCK9axDIdfwwNjyKoG+774dMOXuWJwR7IEMeelgXY=; b=PQ5bqenaVy/ulzz4fkq2HpLbJw jMFBpPUwLoaNoRweakNlk9vK6w2GGBD9V7NouqIFNFDrt+OFuoHGpwmoV+C2Dz9IgRy+zT4RekOgp yRVbSP1HZxkx0csM7/WeXyX3uhTcfBM6ujVZ95BYXFBNO2sl3g6g85SRDSlBaFSWrg58tnEvoOh+K DWiflISSMeOX5/4zOkK9GQGE9hU0GpueKGcJ+Rk0zYlSdyDNpm7azVHs27XfP5PWmBH75zq117BUo r3V1xIFl+5sBZkqGIXM+BInjWDE/7AFwJUoPfBw5Qf3TuPAlitujVvHtEPQHxUMHyJkpLz3BzWrap cex3173Q==; Received: from [2001:4bb8:180:5443:c70:4a89:bc61:3] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1khYNU-0006i4-0Y; Tue, 24 Nov 2020 13:29:04 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Tejun Heo , Josef Bacik , Konrad Rzeszutek Wilk , Coly Li , Mike Snitzer , Greg Kroah-Hartman , Jan Kara , Johannes Thumshirn , dm-devel@redhat.com, Richard Weinberger , Jan Kara , linux-block@vger.kernel.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 41/45] block: pass a block_device to invalidate_partition Date: Tue, 24 Nov 2020 14:27:47 +0100 Message-Id: <20201124132751.3747337-42-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201124132751.3747337-1-hch@lst.de> References: <20201124132751.3747337-1-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: Pass the block_device actually needed instead of looking it up using bdget_disk. Signed-off-by: Christoph Hellwig --- block/genhd.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 498c816e90df64..2985740eab084b 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -790,14 +790,8 @@ void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk) } EXPORT_SYMBOL(device_add_disk_no_queue_reg); -static void invalidate_partition(struct gendisk *disk, int partno) +static void invalidate_partition(struct block_device *bdev) { - struct block_device *bdev; - - bdev = bdget_disk(disk, partno); - if (!bdev) - return; - fsync_bdev(bdev); __invalidate_device(bdev, true); @@ -806,7 +800,6 @@ static void invalidate_partition(struct gendisk *disk, int partno) * as last inode reference is dropped. */ remove_inode_hash(bdev->bd_inode); - bdput(bdev); } /** @@ -847,12 +840,12 @@ void del_gendisk(struct gendisk *disk) disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE); while ((part = disk_part_iter_next(&piter))) { - invalidate_partition(disk, part->bdev->bd_partno); + invalidate_partition(part->bdev); delete_partition(part); } disk_part_iter_exit(&piter); - invalidate_partition(disk, 0); + invalidate_partition(disk->part0); set_capacity(disk, 0); if (!(disk->flags & GENHD_FL_HIDDEN)) {