From patchwork Sat Nov 28 16:15:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11937775 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=-16.5 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 E7D56C63697 for ; Sat, 28 Nov 2020 16:31:44 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5BE40246CA for ; Sat, 28 Nov 2020 16:31:44 +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="v2FM1GuZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5BE40246CA 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 E985D6B0075; Sat, 28 Nov 2020 11:31:43 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E6D686B0078; Sat, 28 Nov 2020 11:31:43 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CE8988D0001; Sat, 28 Nov 2020 11:31:43 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0110.hostedemail.com [216.40.44.110]) by kanga.kvack.org (Postfix) with ESMTP id B84796B0075 for ; Sat, 28 Nov 2020 11:31:43 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 8079D1EE6 for ; Sat, 28 Nov 2020 16:31:43 +0000 (UTC) X-FDA: 77534368086.26.lift84_2a0f54327392 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin26.hostedemail.com (Postfix) with ESMTP id 5DDF91804B676 for ; Sat, 28 Nov 2020 16:31:43 +0000 (UTC) X-HE-Tag: lift84_2a0f54327392 X-Filterd-Recvd-Size: 4843 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Sat, 28 Nov 2020 16:31:42 +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=kkcMqf6QgKmfF7sy7te2yYBRFOpAGBtPlQPbcimyrvI=; b=v2FM1GuZ9EjJBHBo9RSaqFZioe 6oGhIB+FG+pupTfIYOX9HbvGrZR+Z7w6UC/9nIEKWz6TeVEgtAf5KvqJ8yxTmj95xDsxFYclMR+CD j5RsLRmTxESFkj7aiI68vkGYw3XnacNYyaOanE/IquQqT420ruVqO88nkuVU/R1zgZsH7PvVRRjMe YVHWhCvVcPkJt5yrQQzxCINqjn2msj1MGj4gLSxbbU1AhVVhaEfr+6gIvkoYS1GA7J3vLJjBrQDHE Z1iF1IAxl3jSAx+rwccf0cdeq88YsV8CqSyeJs0aCdfBxZt9kB/PP+2J2SKM5Kt4YJdDN1OdEbmho pKGbYmeA==; Received: from 089144198196.atnat0007.highway.a1.net ([89.144.198.196] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kj38I-0001U0-Eo; Sat, 28 Nov 2020 16:31:34 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Tejun Heo , Josef Bacik , Coly Li , Mike Snitzer , Greg Kroah-Hartman , Jan Kara , Johannes Thumshirn , dm-devel@redhat.com, Jan Kara , linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 40/45] block: pass a block_device to blk_alloc_devt Date: Sat, 28 Nov 2020 17:15:05 +0100 Message-Id: <20201128161510.347752-41-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201128161510.347752-1-hch@lst.de> References: <20201128161510.347752-1-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 the hd_struct. Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Reviewed-by: Hannes Reinecke --- block/blk.h | 2 +- block/genhd.c | 14 +++++++------- block/partitions/core.c | 2 +- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/block/blk.h b/block/blk.h index d5bf8f3a078186..9657c6da7c770c 100644 --- a/block/blk.h +++ b/block/blk.h @@ -350,7 +350,7 @@ static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {} struct block_device *disk_map_sector_rcu(struct gendisk *disk, sector_t sector); -int blk_alloc_devt(struct hd_struct *part, dev_t *devt); +int blk_alloc_devt(struct block_device *part, dev_t *devt); void blk_free_devt(dev_t devt); char *disk_name(struct gendisk *hd, int partno, char *buf); #define ADDPART_FLAG_NONE 0 diff --git a/block/genhd.c b/block/genhd.c index f4e5a892fc8208..835393b7101ace 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -562,8 +562,8 @@ static int blk_mangle_minor(int minor) } /** - * blk_alloc_devt - allocate a dev_t for a partition - * @part: partition to allocate dev_t for + * blk_alloc_devt - allocate a dev_t for a block device + * @bdev: block device to allocate dev_t for * @devt: out parameter for resulting dev_t * * Allocate a dev_t for block device. @@ -575,14 +575,14 @@ static int blk_mangle_minor(int minor) * CONTEXT: * Might sleep. */ -int blk_alloc_devt(struct hd_struct *part, dev_t *devt) +int blk_alloc_devt(struct block_device *bdev, dev_t *devt) { - struct gendisk *disk = part_to_disk(part); + struct gendisk *disk = bdev->bd_disk; int idx; /* in consecutive minor range? */ - if (part->bdev->bd_partno < disk->minors) { - *devt = MKDEV(disk->major, disk->first_minor + part->bdev->bd_partno); + if (bdev->bd_partno < disk->minors) { + *devt = MKDEV(disk->major, disk->first_minor + bdev->bd_partno); return 0; } @@ -738,7 +738,7 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk, disk->flags |= GENHD_FL_UP; - retval = blk_alloc_devt(disk->part0->bd_part, &devt); + retval = blk_alloc_devt(disk->part0, &devt); if (retval) { WARN_ON(1); return; diff --git a/block/partitions/core.c b/block/partitions/core.c index 6db9ca8b722d66..3d8243334c7cb4 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -392,7 +392,7 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno, pdev->type = &part_type; pdev->parent = ddev; - err = blk_alloc_devt(p, &devt); + err = blk_alloc_devt(bdev, &devt); if (err) goto out_bdput; pdev->devt = devt;