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=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 817D1C47092 for ; Wed, 2 Jun 2021 06:54:47 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 5467E61359 for ; Wed, 2 Jun 2021 06:54:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5467E61359 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.135477.251657 (Exim 4.92) (envelope-from ) id 1loKm2-0007UT-0w; Wed, 02 Jun 2021 06:54:42 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 135477.251657; Wed, 02 Jun 2021 06:54:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1loKm1-0007UK-TW; Wed, 02 Jun 2021 06:54:41 +0000 Received: by outflank-mailman (input) for mailman id 135477; Wed, 02 Jun 2021 06:54:41 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1loKm1-0007A2-2b for xen-devel@lists.xenproject.org; Wed, 02 Jun 2021 06:54:41 +0000 Received: from bombadil.infradead.org (unknown [2607:7c80:54:e::133]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 6138d0e7-d37e-44e1-965f-4e0dc4867887; Wed, 02 Jun 2021 06:54:32 +0000 (UTC) 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 1loKlB-0025F3-IY; Wed, 02 Jun 2021 06:53:50 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6138d0e7-d37e-44e1-965f-4e0dc4867887 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:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=GNz/Hu0V5gogSB4co5eOK6xP1gnr1qh2/gA3KL3Dtxg=; b=BI35MypsV5ujI5j9LOM8ffKO3O PPR2xJ+smyVf1yBqrB22os7cElpqLd6BGSF+LAFux1FWghPPtYUh71lumcyGTaH+GySHaNY4TdhS/ AV4vc/JIVMat63n8MdcbvA03bNT/GrAfqDiF7ptTNcphdfH4Gmp4s374edZksMq4302Y5G3rKEHTv zkjAvx0fvVtUm2B/6XY5TSPrkqQmnos5aAqRHBWaQFtoEeGLkMCCmRvVNoipNM5EQcjvqqNXgrxv+ Uv5yjt1xCW0uwaWbb4vvYLNz6VSHAG5NmTU3avE4Jh6rqZRN77aCtw5TtcxU3fh9zr5QCwFWGydth c/21yB+g==; 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: simplify gendisk and request_queue allocation for blk-mq based drivers Date: Wed, 2 Jun 2021 09:53:15 +0300 Message-Id: <20210602065345.355274-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 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 Hi all, this series is the scond part of cleaning up lifetimes and allocation of the gendisk and request_queue structure. It adds a new interface to allocate the disk and queue together for blk based drivers, and uses that in all drivers that do not have any caveats in their gendisk and request_queue lifetime rules. Diffstat: block/blk-mq.c | 91 +++++++++++++++------------------- block/blk.h | 1 block/elevator.c | 2 drivers/block/amiflop.c | 16 +----- drivers/block/aoe/aoeblk.c | 33 ++++-------- drivers/block/aoe/aoedev.c | 3 - drivers/block/ataflop.c | 16 +----- drivers/block/floppy.c | 20 +------ drivers/block/loop.c | 19 ++----- drivers/block/nbd.c | 53 +++++++------------ drivers/block/null_blk/main.c | 11 +--- drivers/block/paride/pcd.c | 19 +++---- drivers/block/paride/pd.c | 30 ++++------- drivers/block/paride/pf.c | 18 ++---- drivers/block/ps3disk.c | 36 +++++-------- drivers/block/rbd.c | 52 ++++++------------- drivers/block/rnbd/rnbd-clt.c | 35 +++---------- drivers/block/sunvdc.c | 47 ++++------------- drivers/block/swim.c | 34 +++++------- drivers/block/swim3.c | 33 +++++------- drivers/block/sx8.c | 23 ++------ drivers/block/virtio_blk.c | 26 ++------- drivers/block/xen-blkfront.c | 96 ++++++++++++++---------------------- drivers/block/z2ram.c | 15 +---- drivers/cdrom/gdrom.c | 45 +++++++--------- drivers/md/dm-rq.c | 9 +-- drivers/memstick/core/ms_block.c | 25 +++------ drivers/memstick/core/mspro_block.c | 26 ++++----- drivers/mtd/mtd_blkdevs.c | 48 ++++++++---------- drivers/mtd/ubi/block.c | 68 ++++++++++--------------- drivers/s390/block/scm_blk.c | 21 ++----- include/linux/blk-mq.h | 24 ++++++--- include/linux/elevator.h | 1 33 files changed, 386 insertions(+), 610 deletions(-)