From mboxrd@z Thu Jan 1 00:00:00 1970 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A4422FBF for ; Fri, 21 May 2021 05:51:52 +0000 (UTC) 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=1uf84BS8Q7NSBXg1yQR5EC+qaCg2ZgLYmuXoDkaPjCQ=; b=qYec4TV3LzKaP2n3ES94XtwLuN Rl9ETp00pxgXHWMiVaqU1NEHjsNwBCAops8oVhfDa5QRHrJNSDaCyti+sJNn9rvf1uYQ4GA3DB0Ay esSC0cXIU4CdBCqSiNTamsYa4lzWuaGSed8x/wHvY7MdpjXgBIZn9QNf9s12VopHptNQ1EM12ISrT hM1YZI/vDanDsnHTFFMGFC3HnZQJPaZqKiEjRjgXepy1pmMTbEztkloYN/Ou7kNDoHST4Fhsl9hNE VGbBjm4DHc6wZjNzBVhkjnxdDik0YPHERe6nTK4ik7Pt9SDxqpIkw+czTDWp9qLqL4XzR0WKvEHUH XEcT4yBA==; Received: from [2001:4bb8:180:5add:4fd7:4137:d2f2:46e6] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1ljy47-00Gpwf-GU; Fri, 21 May 2021 05:51:19 +0000 From: Christoph Hellwig To: Jens Axboe , Geert Uytterhoeven , Chris Zankel , Max Filippov , Philipp Reisner , Lars Ellenberg , Jim Paris , Joshua Morris , Philip Kelleher , Minchan Kim , Nitin Gupta , Matias Bjorling , Coly Li , Mike Snitzer , Song Liu , Maxim Levitsky , Alex Dubov , Ulf Hansson , Dan Williams , Vishal Verma , Dave Jiang , Heiko Carstens , Vasily Gorbik , Christian Borntraeger Cc: linux-block@vger.kernel.org, dm-devel@redhat.com, linux-m68k@lists.linux-m68k.org, linux-xtensa@linux-xtensa.org, drbd-dev@lists.linbit.com, linuxppc-dev@lists.ozlabs.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org Subject: simplify gendisk and request_queue allocation for bio based drivers Date: Fri, 21 May 2021 07:50:50 +0200 Message-Id: <20210521055116.1053587-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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 first 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 bio based drivers, and a helper for cleanup/free them when a driver is unloaded or a device is removed. Together this removes the need to treat the gendisk and request_queue as separate entities for bio based drivers. Diffstat: arch/m68k/emu/nfblock.c | 20 +--- arch/xtensa/platforms/iss/simdisk.c | 29 +------ block/blk-core.c | 1 block/blk.h | 6 - block/genhd.c | 149 +++++++++++++++++++----------------- block/partitions/core.c | 19 ++-- drivers/block/brd.c | 94 +++++++--------------- drivers/block/drbd/drbd_main.c | 23 +---- drivers/block/n64cart.c | 8 - drivers/block/null_blk/main.c | 38 ++++----- drivers/block/pktcdvd.c | 11 -- drivers/block/ps3vram.c | 31 +------ drivers/block/rsxx/dev.c | 39 +++------ drivers/block/rsxx/rsxx_priv.h | 1 drivers/block/zram/zram_drv.c | 19 ---- drivers/lightnvm/core.c | 24 +---- drivers/md/bcache/super.c | 15 --- drivers/md/dm.c | 16 +-- drivers/md/md.c | 25 ++---- drivers/memstick/core/ms_block.c | 1 drivers/nvdimm/blk.c | 27 +----- drivers/nvdimm/btt.c | 25 +----- drivers/nvdimm/btt.h | 2 drivers/nvdimm/pmem.c | 17 +--- drivers/nvme/host/core.c | 1 drivers/nvme/host/multipath.c | 46 +++-------- drivers/s390/block/dcssblk.c | 26 +----- drivers/s390/block/xpram.c | 26 ++---- include/linux/blkdev.h | 1 include/linux/genhd.h | 23 +++++ 30 files changed, 297 insertions(+), 466 deletions(-) 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 CB2D3C433ED for ; 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spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+940d4f53d1157bf1ee93+6480+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=qYec4TV3; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FmbMv3wQTz2yyv for ; Fri, 21 May 2021 15:51:52 +1000 (AEST) 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=1uf84BS8Q7NSBXg1yQR5EC+qaCg2ZgLYmuXoDkaPjCQ=; b=qYec4TV3LzKaP2n3ES94XtwLuN Rl9ETp00pxgXHWMiVaqU1NEHjsNwBCAops8oVhfDa5QRHrJNSDaCyti+sJNn9rvf1uYQ4GA3DB0Ay esSC0cXIU4CdBCqSiNTamsYa4lzWuaGSed8x/wHvY7MdpjXgBIZn9QNf9s12VopHptNQ1EM12ISrT hM1YZI/vDanDsnHTFFMGFC3HnZQJPaZqKiEjRjgXepy1pmMTbEztkloYN/Ou7kNDoHST4Fhsl9hNE VGbBjm4DHc6wZjNzBVhkjnxdDik0YPHERe6nTK4ik7Pt9SDxqpIkw+czTDWp9qLqL4XzR0WKvEHUH XEcT4yBA==; Received: from [2001:4bb8:180:5add:4fd7:4137:d2f2:46e6] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1ljy47-00Gpwf-GU; Fri, 21 May 2021 05:51:19 +0000 From: Christoph Hellwig To: Jens Axboe , Geert Uytterhoeven , Chris Zankel , Max Filippov , Philipp Reisner , Lars Ellenberg , Jim Paris , Joshua Morris , Philip Kelleher , Minchan Kim , Nitin Gupta , Matias Bjorling , Coly Li , Mike Snitzer , Song Liu , Maxim Levitsky , Alex Dubov , Ulf Hansson , Dan Williams , Vishal Verma , Dave Jiang , Heiko Carstens , Vasily Gorbik , Christian Borntraeger Subject: simplify gendisk and request_queue allocation for bio based drivers Date: Fri, 21 May 2021 07:50:50 +0200 Message-Id: <20210521055116.1053587-1-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 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: linux-bcache@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-raid@vger.kernel.org, nvdimm@lists.linux.dev, linux-s390@vger.kernel.org, linux-mmc@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, dm-devel@redhat.com, linuxppc-dev@lists.ozlabs.org, drbd-dev@lists.linbit.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi all, this series is the first 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 bio based drivers, and a helper for cleanup/free them when a driver is unloaded or a device is removed. Together this removes the need to treat the gendisk and request_queue as separate entities for bio based drivers. Diffstat: arch/m68k/emu/nfblock.c | 20 +--- arch/xtensa/platforms/iss/simdisk.c | 29 +------ block/blk-core.c | 1 block/blk.h | 6 - block/genhd.c | 149 +++++++++++++++++++----------------- block/partitions/core.c | 19 ++-- drivers/block/brd.c | 94 +++++++--------------- drivers/block/drbd/drbd_main.c | 23 +---- drivers/block/n64cart.c | 8 - drivers/block/null_blk/main.c | 38 ++++----- drivers/block/pktcdvd.c | 11 -- drivers/block/ps3vram.c | 31 +------ drivers/block/rsxx/dev.c | 39 +++------ drivers/block/rsxx/rsxx_priv.h | 1 drivers/block/zram/zram_drv.c | 19 ---- drivers/lightnvm/core.c | 24 +---- drivers/md/bcache/super.c | 15 --- drivers/md/dm.c | 16 +-- drivers/md/md.c | 25 ++---- drivers/memstick/core/ms_block.c | 1 drivers/nvdimm/blk.c | 27 +----- drivers/nvdimm/btt.c | 25 +----- drivers/nvdimm/btt.h | 2 drivers/nvdimm/pmem.c | 17 +--- drivers/nvme/host/core.c | 1 drivers/nvme/host/multipath.c | 46 +++-------- drivers/s390/block/dcssblk.c | 26 +----- drivers/s390/block/xpram.c | 26 ++---- include/linux/blkdev.h | 1 include/linux/genhd.h | 23 +++++ 30 files changed, 297 insertions(+), 466 deletions(-) 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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 60137C433ED for ; Fri, 21 May 2021 06:05:13 +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 F02D560FEF for ; Fri, 21 May 2021 06:05:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F02D560FEF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-302-EuiQ1K4LOsm31x3JjPJ7pw-1; Fri, 21 May 2021 02:05:09 -0400 X-MC-Unique: EuiQ1K4LOsm31x3JjPJ7pw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DB953107ACF6; Fri, 21 May 2021 06:05:05 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BAC995C737; Fri, 21 May 2021 06:05:05 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 8D6F61801264; Fri, 21 May 2021 06:05:05 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 14L651xS028579 for ; Fri, 21 May 2021 02:05:02 -0400 Received: by smtp.corp.redhat.com (Postfix) id C3C4520951BC; Fri, 21 May 2021 06:05:01 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast04.extmail.prod.ext.rdu2.redhat.com [10.11.55.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BF11920951BA for ; Fri, 21 May 2021 06:04:59 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 378AD10334A1 for ; Fri, 21 May 2021 06:04:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-534-qvJWoLksNcW32cPEq_FyZw-1; Fri, 21 May 2021 02:04:55 -0400 X-MC-Unique: qvJWoLksNcW32cPEq_FyZw-1 Received: from [2001:4bb8:180:5add:4fd7:4137:d2f2:46e6] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1ljy47-00Gpwf-GU; Fri, 21 May 2021 05:51:19 +0000 From: Christoph Hellwig To: Jens Axboe , Geert Uytterhoeven , Chris Zankel , Max Filippov , Philipp Reisner , Lars Ellenberg , Jim Paris , Joshua Morris , Philip Kelleher , Minchan Kim , Nitin Gupta , Matias Bjorling , Coly Li , Mike Snitzer , Song Liu , Maxim Levitsky , Alex Dubov , Ulf Hansson , Dan Williams , Vishal Verma , Dave Jiang , Heiko Carstens , Vasily Gorbik , Christian Borntraeger Date: Fri, 21 May 2021 07:50:50 +0200 Message-Id: <20210521055116.1053587-1-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 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 10.11.54.6 X-loop: dm-devel@redhat.com Cc: linux-xtensa@linux-xtensa.org, linux-m68k@vger.kernel.org, linux-raid@vger.kernel.org, nvdimm@lists.linux.dev, linux-s390@vger.kernel.org, linux-mmc@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, dm-devel@redhat.com, drbd-dev@tron.linbit.com, linuxppc-dev@lists.ozlabs.org Subject: [dm-devel] simplify gendisk and request_queue allocation for bio based drivers 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 10.5.11.16 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 Hi all, this series is the first 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 bio based drivers, and a helper for cleanup/free them when a driver is unloaded or a device is removed. Together this removes the need to treat the gendisk and request_queue as separate entities for bio based drivers. Diffstat: arch/m68k/emu/nfblock.c | 20 +--- arch/xtensa/platforms/iss/simdisk.c | 29 +------ block/blk-core.c | 1 block/blk.h | 6 - block/genhd.c | 149 +++++++++++++++++++----------------- block/partitions/core.c | 19 ++-- drivers/block/brd.c | 94 +++++++--------------- drivers/block/drbd/drbd_main.c | 23 +---- drivers/block/n64cart.c | 8 - drivers/block/null_blk/main.c | 38 ++++----- drivers/block/pktcdvd.c | 11 -- drivers/block/ps3vram.c | 31 +------ drivers/block/rsxx/dev.c | 39 +++------ drivers/block/rsxx/rsxx_priv.h | 1 drivers/block/zram/zram_drv.c | 19 ---- drivers/lightnvm/core.c | 24 +---- drivers/md/bcache/super.c | 15 --- drivers/md/dm.c | 16 +-- drivers/md/md.c | 25 ++---- drivers/memstick/core/ms_block.c | 1 drivers/nvdimm/blk.c | 27 +----- drivers/nvdimm/btt.c | 25 +----- drivers/nvdimm/btt.h | 2 drivers/nvdimm/pmem.c | 17 +--- drivers/nvme/host/core.c | 1 drivers/nvme/host/multipath.c | 46 +++-------- drivers/s390/block/dcssblk.c | 26 +----- drivers/s390/block/xpram.c | 26 ++---- include/linux/blkdev.h | 1 include/linux/genhd.h | 23 +++++ 30 files changed, 297 insertions(+), 466 deletions(-) -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel