From mboxrd@z Thu Jan 1 00:00:00 1970 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=unavailable 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 F1D22C4708F for ; Wed, 2 Jun 2021 06:55:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD90D6135D for ; Wed, 2 Jun 2021 06:55:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231338AbhFBG53 (ORCPT ); Wed, 2 Jun 2021 02:57:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230122AbhFBG5T (ORCPT ); Wed, 2 Jun 2021 02:57:19 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81493C061574; Tue, 1 Jun 2021 23:55:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=whkiEYkd/RZIFiccnNyVDQBt5GosCsybR61i2OE/TAs=; b=sGyQUwx4y9mBLuKjtVUp+c2wE9 QKndoQI8+lVj5QubiuPxijfodshDbI28HmJC7XZxoK1I3O/xDGWqqWfWHPGGuhE/xYEpYPaljJGG0 Fr4gr1lXEhUJVsLAp4MvKyynYGbSyA4OVlnSrYZiKU1gb2XC/QCckw8whfLsI+GKqp2G0C8FEKneP do3Abzx9O1Apmvm5lGswbnuiBjA19TYT3MinqZLYbcCGK2VKfmLyeYtMwiBKm8hatOP3dxWqLa5yK W7GKvYBzqn1hQiPqfJxptmiWvUrY4I54If9aEuYVsVn2eDAvQ6qCfhLBxQm3PYYJuSGatkU1tnAjt EHt0T+HQ==; Received: from shol69.static.otenet.gr ([83.235.170.67] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1loKmW-0025pH-8N; Wed, 02 Jun 2021 06:55:12 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Justin Sanders , Denis Efremov , Josef Bacik , Tim Waugh , Geoff Levand , Ilya Dryomov , "Md. Haris Iqbal" , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Konrad Rzeszutek Wilk , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Mike Snitzer , Maxim Levitsky , Alex Dubov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , dm-devel@redhat.com, linux-block@vger.kernel.org, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org Subject: [PATCH 17/30] floppy: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:32 +0300 Message-Id: <20210602065345.355274-18-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210602065345.355274-1-hch@lst.de> References: <20210602065345.355274-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig --- drivers/block/floppy.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d22207c59..cbed9776f285 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4491,23 +4491,15 @@ static bool floppy_available(int drive) static int floppy_alloc_disk(unsigned int drive, unsigned int type) { struct gendisk *disk; - int err; - - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - disk->queue = blk_mq_init_queue(&tag_sets[drive]); - if (IS_ERR(disk->queue)) { - err = PTR_ERR(disk->queue); - disk->queue = NULL; - put_disk(disk); - return err; - } + disk = blk_mq_alloc_disk(&tag_sets[drive], NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); blk_queue_max_hw_sectors(disk->queue, 64); disk->major = FLOPPY_MAJOR; disk->first_minor = TOMINOR(drive) | (type << 2); + disk->minors = 1; disk->fops = &floppy_fops; disk->events = DISK_EVENT_MEDIA_CHANGE; if (type) @@ -4727,10 +4719,8 @@ static int __init do_floppy_init(void) if (!disks[drive][0]) break; del_timer_sync(&motor_off_timer[drive]); - blk_cleanup_queue(disks[drive][0]->queue); - disks[drive][0]->queue = NULL; + blk_cleanup_disk(disks[drive][0]); blk_mq_free_tag_set(&tag_sets[drive]); - put_disk(disks[drive][0]); } return err; } -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=unavailable 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 3E695C4708F for ; Wed, 2 Jun 2021 07:02:36 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 DB9DC6135D for ; 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Received: from shol69.static.otenet.gr ([83.235.170.67] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1loKmW-0025pH-8N; Wed, 02 Jun 2021 06:55:12 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 17/30] floppy: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:32 +0300 Message-Id: <20210602065345.355274-18-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210602065345.355274-1-hch@lst.de> References: <20210602065345.355274-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Justin Sanders , Vignesh Raghavendra , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , virtualization@lists.linux-foundation.org, dm-devel@redhat.com, "Md. Haris Iqbal" , Miquel Raynal , Jack Wang , Tim Waugh , linux-s390@vger.kernel.org, Alex Dubov , Richard Weinberger , Christian Borntraeger , xen-devel@lists.xenproject.org, Ilya Dryomov , Vasily Gorbik , Konrad Rzeszutek Wilk , Heiko Carstens , Josef Bacik , Denis Efremov , nbd@other.debian.org, linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, Maxim Levitsky , Geoff Levand , linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig --- drivers/block/floppy.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d22207c59..cbed9776f285 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4491,23 +4491,15 @@ static bool floppy_available(int drive) static int floppy_alloc_disk(unsigned int drive, unsigned int type) { struct gendisk *disk; - int err; - - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - disk->queue = blk_mq_init_queue(&tag_sets[drive]); - if (IS_ERR(disk->queue)) { - err = PTR_ERR(disk->queue); - disk->queue = NULL; - put_disk(disk); - return err; - } + disk = blk_mq_alloc_disk(&tag_sets[drive], NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); blk_queue_max_hw_sectors(disk->queue, 64); disk->major = FLOPPY_MAJOR; disk->first_minor = TOMINOR(drive) | (type << 2); + disk->minors = 1; disk->fops = &floppy_fops; disk->events = DISK_EVENT_MEDIA_CHANGE; if (type) @@ -4727,10 +4719,8 @@ static int __init do_floppy_init(void) if (!disks[drive][0]) break; del_timer_sync(&motor_off_timer[drive]); - blk_cleanup_queue(disks[drive][0]->queue); - disks[drive][0]->queue = NULL; + blk_cleanup_disk(disks[drive][0]); blk_mq_free_tag_set(&tag_sets[drive]); - put_disk(disks[drive][0]); } return err; } -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 E051DC4708F for ; Wed, 2 Jun 2021 07:25:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A52BD61396 for ; Wed, 2 Jun 2021 07:25:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A52BD61396 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lptuqnUK9/zLBBDVSTc9YaAmTz6/Nmz2e7XciAwlPtc=; b=ucfAuRmDXgmt0P 8YlEz9oOV+tnYVOVy3KdO4tPdITXn0aPNCftlHfHFD6fkGJZdgN6e2AzZXXSFXZ32KzOVy1Pwew3M tWXFIWb3F0Wignsl9Yhaw8kCelTaZxjDI/UZk3V4nJrbVbIwZriAARPoeHjBY9DaJOZXqaww+NorM mJ5ISQgfGCcsuHlOVK20VbYiP1G0+tZLJF7pSdfM8RXpjkGunbVT/7cXOfX1egELdOAOEnot/3Rdq bLXU84+8X75fox5xu2x0dhxLm0VfGl6G/sCbNET3bA9xZXQHL264yy7Dwvr1H6KPGyCJzMGsXLaEn Jl+33wbCtSjDHZfXHeDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loLEz-002HYs-CA; Wed, 02 Jun 2021 07:24:37 +0000 Received: from shol69.static.otenet.gr ([83.235.170.67] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1loKmW-0025pH-8N; Wed, 02 Jun 2021 06:55:12 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Justin Sanders , Denis Efremov , Josef Bacik , Tim Waugh , Geoff Levand , Ilya Dryomov , "Md. Haris Iqbal" , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Konrad Rzeszutek Wilk , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Mike Snitzer , Maxim Levitsky , Alex Dubov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , dm-devel@redhat.com, linux-block@vger.kernel.org, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org Subject: [PATCH 17/30] floppy: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:32 +0300 Message-Id: <20210602065345.355274-18-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210602065345.355274-1-hch@lst.de> References: <20210602065345.355274-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig --- drivers/block/floppy.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d22207c59..cbed9776f285 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4491,23 +4491,15 @@ static bool floppy_available(int drive) static int floppy_alloc_disk(unsigned int drive, unsigned int type) { struct gendisk *disk; - int err; - - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - disk->queue = blk_mq_init_queue(&tag_sets[drive]); - if (IS_ERR(disk->queue)) { - err = PTR_ERR(disk->queue); - disk->queue = NULL; - put_disk(disk); - return err; - } + disk = blk_mq_alloc_disk(&tag_sets[drive], NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); blk_queue_max_hw_sectors(disk->queue, 64); disk->major = FLOPPY_MAJOR; disk->first_minor = TOMINOR(drive) | (type << 2); + disk->minors = 1; disk->fops = &floppy_fops; disk->events = DISK_EVENT_MEDIA_CHANGE; if (type) @@ -4727,10 +4719,8 @@ static int __init do_floppy_init(void) if (!disks[drive][0]) break; del_timer_sync(&motor_off_timer[drive]); - blk_cleanup_queue(disks[drive][0]->queue); - disks[drive][0]->queue = NULL; + blk_cleanup_disk(disks[drive][0]); blk_mq_free_tag_set(&tag_sets[drive]); - put_disk(disks[drive][0]); } return err; } -- 2.30.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 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 66F6BC47092 for ; Wed, 2 Jun 2021 06:55:38 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 2C5B261242 for ; 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Received: from shol69.static.otenet.gr ([83.235.170.67] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1loKmW-0025pH-8N; Wed, 02 Jun 2021 06:55:12 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 17/30] floppy: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:32 +0300 Message-Id: <20210602065345.355274-18-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210602065345.355274-1-hch@lst.de> References: <20210602065345.355274-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: Justin Sanders , Vignesh Raghavendra , Mike Snitzer , "Michael S. Tsirkin" , virtualization@lists.linux-foundation.org, dm-devel@redhat.com, "Md. Haris Iqbal" , Miquel Raynal , Jack Wang , Tim Waugh , linux-s390@vger.kernel.org, Alex Dubov , Richard Weinberger , Christian Borntraeger , xen-devel@lists.xenproject.org, Ilya Dryomov , Vasily Gorbik , Konrad Rzeszutek Wilk , Heiko Carstens , Josef Bacik , Denis Efremov , nbd@other.debian.org, linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, Maxim Levitsky , Geoff Levand , linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig --- drivers/block/floppy.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d22207c59..cbed9776f285 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4491,23 +4491,15 @@ static bool floppy_available(int drive) static int floppy_alloc_disk(unsigned int drive, unsigned int type) { struct gendisk *disk; - int err; - - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - disk->queue = blk_mq_init_queue(&tag_sets[drive]); - if (IS_ERR(disk->queue)) { - err = PTR_ERR(disk->queue); - disk->queue = NULL; - put_disk(disk); - return err; - } + disk = blk_mq_alloc_disk(&tag_sets[drive], NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); blk_queue_max_hw_sectors(disk->queue, 64); disk->major = FLOPPY_MAJOR; disk->first_minor = TOMINOR(drive) | (type << 2); + disk->minors = 1; disk->fops = &floppy_fops; disk->events = DISK_EVENT_MEDIA_CHANGE; if (type) @@ -4727,10 +4719,8 @@ static int __init do_floppy_init(void) if (!disks[drive][0]) break; del_timer_sync(&motor_off_timer[drive]); - blk_cleanup_queue(disks[drive][0]->queue); - disks[drive][0]->queue = NULL; + blk_cleanup_disk(disks[drive][0]); blk_mq_free_tag_set(&tag_sets[drive]); - put_disk(disks[drive][0]); } return err; } -- 2.30.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2AF78C47097 for ; Wed, 2 Jun 2021 06:55:50 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 C8E7C61396 for ; 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See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-loop: dm-devel@redhat.com Cc: Justin Sanders , Vignesh Raghavendra , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , virtualization@lists.linux-foundation.org, dm-devel@redhat.com, "Md. Haris Iqbal" , Miquel Raynal , Jack Wang , Tim Waugh , linux-s390@vger.kernel.org, Alex Dubov , Richard Weinberger , Christian Borntraeger , xen-devel@lists.xenproject.org, Ilya Dryomov , Vasily Gorbik , Konrad Rzeszutek Wilk , Heiko Carstens , Josef Bacik , Denis Efremov , nbd@other.debian.org, linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, Maxim Levitsky , Geoff Levand , linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [dm-devel] [PATCH 17/30] floppy: use blk_mq_alloc_disk and blk_cleanup_disk X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig --- drivers/block/floppy.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d22207c59..cbed9776f285 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4491,23 +4491,15 @@ static bool floppy_available(int drive) static int floppy_alloc_disk(unsigned int drive, unsigned int type) { struct gendisk *disk; - int err; - - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - disk->queue = blk_mq_init_queue(&tag_sets[drive]); - if (IS_ERR(disk->queue)) { - err = PTR_ERR(disk->queue); - disk->queue = NULL; - put_disk(disk); - return err; - } + disk = blk_mq_alloc_disk(&tag_sets[drive], NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); blk_queue_max_hw_sectors(disk->queue, 64); disk->major = FLOPPY_MAJOR; disk->first_minor = TOMINOR(drive) | (type << 2); + disk->minors = 1; disk->fops = &floppy_fops; disk->events = DISK_EVENT_MEDIA_CHANGE; if (type) @@ -4727,10 +4719,8 @@ static int __init do_floppy_init(void) if (!disks[drive][0]) break; del_timer_sync(&motor_off_timer[drive]); - blk_cleanup_queue(disks[drive][0]->queue); - disks[drive][0]->queue = NULL; + blk_cleanup_disk(disks[drive][0]); blk_mq_free_tag_set(&tag_sets[drive]); - put_disk(disks[drive][0]); } return err; } -- 2.30.2 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel