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 98160C47096 for ; Wed, 2 Jun 2021 07:39:25 +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 6CEB26138C for ; Wed, 2 Jun 2021 07:39:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CEB26138C 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=1CSRFMvEIu4/wScjZYCpl/d//laDMDmAKlNzxyVFboE=; b=CcH6TJ2b+6gb8r pPYvKQPLxRcGy5XmpxMe9ji3t9NvlyfhcaIv8cadKnkjrnvH2ayIGULeLBCf9096JKhMr3NGRXRHV 5Bnr+Q30aQ6+f+DU0BP+hmN/jftq3Cw8pZpU4oDOj4PuVkSh1NW+KNUKNHK/0jZXoljDSKckJ6dZW q7Gh1xEz1Eel+oxqfnpkCJDQ5g2YSyaUCWR1aHPARKcN+g4Cm2/usiiZJOdgeiu5OZAIlWXKPWtqp YDF6wnase8UJ+IqVcBCPghlxqfyUKJhwnSTb4RydsrlYmiPU2eftnwoXWZiu+Wwrz+ETyMIH34DXO 2msbsl2OqJAlY6sn0GmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loLSQ-002MiU-A8; Wed, 02 Jun 2021 07:38:30 +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 1loKn1-0026HM-J4; Wed, 02 Jun 2021 06:55:44 +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 24/30] sx8: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:39 +0300 Message-Id: <20210602065345.355274-25-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/sx8.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 2cdf2771f8e8..f01f860b0e62 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -1343,32 +1343,25 @@ static int carm_init_disk(struct carm_host *host, unsigned int port_no) { struct carm_port *port = &host->port[port_no]; struct gendisk *disk; - struct request_queue *q; port->host = host; port->port_no = port_no; - disk = alloc_disk(CARM_MINORS_PER_MAJOR); - if (!disk) - return -ENOMEM; + disk = blk_mq_alloc_disk(&host->tag_set, port); + if (IS_ERR(disk)) + return PTR_ERR(disk); port->disk = disk; sprintf(disk->disk_name, DRV_NAME "/%u", (unsigned int)host->id * CARM_MAX_PORTS + port_no); disk->major = host->major; disk->first_minor = port_no * CARM_MINORS_PER_MAJOR; + disk->minors = CARM_MINORS_PER_MAJOR; disk->fops = &carm_bd_ops; disk->private_data = port; - q = blk_mq_init_queue(&host->tag_set); - if (IS_ERR(q)) - return PTR_ERR(q); - - blk_queue_max_segments(q, CARM_MAX_REQ_SG); - blk_queue_segment_boundary(q, CARM_SG_BOUNDARY); - - q->queuedata = port; - disk->queue = q; + blk_queue_max_segments(disk->queue, CARM_MAX_REQ_SG); + blk_queue_segment_boundary(disk->queue, CARM_SG_BOUNDARY); return 0; } @@ -1382,9 +1375,7 @@ static void carm_free_disk(struct carm_host *host, unsigned int port_no) if (disk->flags & GENHD_FL_UP) del_gendisk(disk); - if (disk->queue) - blk_cleanup_queue(disk->queue); - put_disk(disk); + blk_cleanup_disk(disk); } static int carm_init_shm(struct carm_host *host) -- 2.30.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/