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 78A25C47083 for ; Wed, 2 Jun 2021 07:49:58 +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 1715E6138C for ; Wed, 2 Jun 2021 07:49:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1715E6138C 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=rShEA1m4jEPbG37gMgxDqZzMOJaw14OxidHvNvHRrhw=; b=Vxtu2gh8Tlpq0F Keqg/FDMcR95hVxi97Iedhr8SAeyZ1hdnzeEHHDLoZmySqpC7vDPUiPJsE96Vmx9rxz7GH1IjYUtA 3tEzHjk4ueJvYjoQk991cXhg2k1SP0hdkyMUHcGia3eGVB8gHhBQGfMCBXzehabiVkMbpbv7gy9i5 zcU2cuAJA6eXnzBgdc3BkxRezpWw9j5VUnj+Kl4AaDvPttHGV2qTDksboRdwkKqePO2nC6bytKnXR KJoE6ojgs3mcBkNIEKJX7KMlJOrA82aTIuws0y6shiOIb5jEGgKyPceAW84Gudtx/zRfl3DzlQFjd OZFqRWa8yiWoTNq2TlCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loLcw-002PYZ-Og; Wed, 02 Jun 2021 07:49:22 +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 1loKnR-0026ec-A8; Wed, 02 Jun 2021 06:56:10 +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 30/30] z2ram: use blk_mq_alloc_disk and blk_cleanup_disk Date: Wed, 2 Jun 2021 09:53:45 +0300 Message-Id: <20210602065345.355274-31-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/z2ram.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index c1d20818e649..a8968d9e759b 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -323,27 +323,20 @@ static const struct blk_mq_ops z2_mq_ops = { static int z2ram_register_disk(int minor) { - struct request_queue *q; struct gendisk *disk; - disk = alloc_disk(1); - if (!disk) - return -ENOMEM; - - q = blk_mq_init_queue(&tag_set); - if (IS_ERR(q)) { - put_disk(disk); - return PTR_ERR(q); - } + disk = blk_mq_alloc_disk(&tag_set, NULL); + if (IS_ERR(disk)) + return PTR_ERR(disk); disk->major = Z2RAM_MAJOR; disk->first_minor = minor; + disk->minors = 1; disk->fops = &z2_fops; if (minor) sprintf(disk->disk_name, "z2ram%d", minor); else sprintf(disk->disk_name, "z2ram"); - disk->queue = q; z2ram_gendisk[minor] = disk; add_disk(disk); -- 2.30.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/