From patchwork Tue Nov 24 13:27:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11928673 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 0E34BC825B3 for ; Tue, 24 Nov 2020 13:29:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C829720866 for ; Tue, 24 Nov 2020 13:29:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="hP+HoMXS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388220AbgKXN3P (ORCPT ); Tue, 24 Nov 2020 08:29:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388214AbgKXN3O (ORCPT ); Tue, 24 Nov 2020 08:29:14 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD6ACC061A4D; Tue, 24 Nov 2020 05:29:13 -0800 (PST) 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=Byl7CBCOdylPQKGIFA7NBT0G7FiaS8ROkaw/bubCmjo=; b=hP+HoMXSsqR+FJlPVNTSPcniBz 1aqdDxKykpBKAkRkRbBCNckP9ETrUGi7CUc6c0QdQEfaGPZF8esX16E5969KLXQn0csqLqX91PHbN 2FT5mRafK8f26f12dZqTcphrahqhc5JyTIMBOODUZcgk3yEsPQql0HiJdKT4GIgdOp5RcKsptXLF7 0a2dEii7Uz3/wk6fKxXxM0CuK95G/xwkiZOshyF6U7C3FVF+5neDdGw9ntgzVsAasqtcgiS4Qbtue zIqh0VftgHq8kEMenVn6mlPCa3+4kytrRXrVQU5oi8/2yu6lQoIT61N/JBZpQdCKQ4RpagJwj6Ero pFqYpyaQ==; 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 1khYNS-0006hp-IQ; Tue, 24 Nov 2020 13:29:02 +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 40/45] block: pass a block_device to blk_alloc_devt Date: Tue, 24 Nov 2020 14:27:46 +0100 Message-Id: <20201124132751.3747337-41-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 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Pass the block_device actually needed instead of the hd_struct. Signed-off-by: Christoph Hellwig --- 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 60004bc8ba5b56..498c816e90df64 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -557,8 +557,8 @@ 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. @@ -570,14 +570,14 @@ 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; } @@ -733,7 +733,7 @@ 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 ee4f4e3237aa2d..45fed1108d4425 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;