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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 58E76C83012 for ; Tue, 1 Dec 2020 16:55:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E435920758 for ; Tue, 1 Dec 2020 16:55:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="vLBHi88Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387511AbgLAQzN (ORCPT ); Tue, 1 Dec 2020 11:55:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728674AbgLAQzM (ORCPT ); Tue, 1 Dec 2020 11:55:12 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBD1EC0613D4; Tue, 1 Dec 2020 08:54:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=I+ifGuG/HQilGLAEqzH+daR+z1lv7T7G70yP4O/K0Aw=; b=vLBHi88QMCRODAgHO+f6T+9uLv SKqsUWzzgNcLj7Qi7TcTtnO2igYK/hpBjExIUhv/buk3/9wrMiF8SXJoD9Qx14CHc7ZG7mGmHpEpT BrCm6KnAq9olHMb1AX17OtXEl4UApnehOtAax6e0j2dlBZAs5li2wGx/ddaQJ1ONCO+I9guV//Ml+ 2D1Iv3Pu1e5ZlBbme+6zYtljYDRPA4i5mzr7N+eGEZMHBs3D0o68HlJH3QLXqHK+BE5EplEKVNBR6 jH8CuPlGr1qk1R5rcNsWzGgX7VclZp57xXsHCHHN/Lq3bBzJDoae2lOaugHvfY7vXYXNLQfKfM+to +Ux0ziNQ==; Received: from [2001:4bb8:184:6389:bbd8:a1c2:99e0:f58a] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk8v3-0005Yk-J4; Tue, 01 Dec 2020 16:54:25 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Tejun Heo , Coly Li , Song Liu , dm-devel@redhat.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-s390@vger.kernel.org, linux-block@vger.kernel.org Subject: store a pointer to the block_device in struct bio (again) Date: Tue, 1 Dec 2020 17:54:15 +0100 Message-Id: <20201201165424.2030647-1-hch@lst.de> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Hi Jens, this series switches back from storing the gendisk + partno to storing a block_device pointer in struct bio. The reason is two fold: for one the new struct block_device actually is always available, removing the need to avoid originally. Second the merge struct block_device is much more useful than the old one, as storing it avoids the need for looking up what used to be hd_struct during partition remapping and I/O accounting. Note that this series depends on the posted but not merged "block tracepoint cleanups" series. A git tree is also available: git://git.infradead.org/users/hch/block.git bi_bdev Gitweb: http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/bi_bdev Diffstat: arch/m68k/emu/nfblock.c | 2 arch/xtensa/platforms/iss/simdisk.c | 2 block/bio-integrity.c | 18 +- block/bio.c | 31 +--- block/blk-cgroup.c | 7 block/blk-core.c | 99 ++++++------- block/blk-crypto-fallback.c | 2 block/blk-crypto.c | 2 block/blk-merge.c | 17 +- block/blk-mq.c | 2 block/blk-settings.c | 2 block/blk-throttle.c | 2 block/blk.h | 9 - block/bounce.c | 2 block/genhd.c | 261 +++--------------------------------- block/partitions/core.c | 31 ---- drivers/block/brd.c | 8 - drivers/block/drbd/drbd_int.h | 4 drivers/block/drbd/drbd_req.c | 2 drivers/block/null_blk_main.c | 2 drivers/block/pktcdvd.c | 4 drivers/block/ps3vram.c | 2 drivers/block/rsxx/dev.c | 2 drivers/block/umem.c | 2 drivers/block/zram/zram_drv.c | 2 drivers/lightnvm/pblk-init.c | 2 drivers/md/bcache/debug.c | 2 drivers/md/bcache/request.c | 39 +++-- drivers/md/dm-bio-record.h | 9 - drivers/md/dm-raid1.c | 10 - drivers/md/dm.c | 14 - drivers/md/md-linear.c | 2 drivers/md/md.c | 10 - drivers/md/md.h | 6 drivers/md/raid1.c | 6 drivers/md/raid10.c | 12 - drivers/md/raid5.c | 2 drivers/nvdimm/blk.c | 4 drivers/nvdimm/btt.c | 4 drivers/nvdimm/pmem.c | 4 drivers/nvme/host/core.c | 6 drivers/nvme/host/lightnvm.c | 3 drivers/nvme/host/multipath.c | 6 drivers/nvme/host/rdma.c | 2 drivers/s390/block/dasd.c | 26 --- drivers/s390/block/dcssblk.c | 6 drivers/s390/block/xpram.c | 2 fs/btrfs/check-integrity.c | 10 - fs/btrfs/raid56.c | 7 fs/btrfs/scrub.c | 2 fs/direct-io.c | 2 fs/f2fs/data.c | 12 - include/linux/bio.h | 18 +- include/linux/blk_types.h | 3 include/linux/blkdev.h | 20 -- include/linux/genhd.h | 21 -- kernel/trace/blktrace.c | 16 +- mm/page_io.c | 2 58 files changed, 251 insertions(+), 556 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=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 3E138C64E7B for ; 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Tue, 1 Dec 2020 17:01:53 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-418-5esk_hlTMxGj9VR70UBWRw-1; Tue, 01 Dec 2020 12:01:51 -0500 X-MC-Unique: 5esk_hlTMxGj9VR70UBWRw-1 Received: from [2001:4bb8:184:6389:bbd8:a1c2:99e0:f58a] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk8v3-0005Yk-J4; Tue, 01 Dec 2020 16:54:25 +0000 From: Christoph Hellwig To: Jens Axboe Date: Tue, 1 Dec 2020 17:54:15 +0100 Message-Id: <20201201165424.2030647-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.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 10.11.54.4 X-loop: dm-devel@redhat.com Cc: linux-s390@vger.kernel.org, linux-bcache@vger.kernel.org, Coly Li , linux-raid@vger.kernel.org, Song Liu , dm-devel@redhat.com, linux-block@vger.kernel.org, Tejun Heo Subject: [dm-devel] store a pointer to the block_device in struct bio (again) 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 10.5.11.13 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 Jens, this series switches back from storing the gendisk + partno to storing a block_device pointer in struct bio. The reason is two fold: for one the new struct block_device actually is always available, removing the need to avoid originally. Second the merge struct block_device is much more useful than the old one, as storing it avoids the need for looking up what used to be hd_struct during partition remapping and I/O accounting. Note that this series depends on the posted but not merged "block tracepoint cleanups" series. A git tree is also available: git://git.infradead.org/users/hch/block.git bi_bdev Gitweb: http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/bi_bdev Diffstat: arch/m68k/emu/nfblock.c | 2 arch/xtensa/platforms/iss/simdisk.c | 2 block/bio-integrity.c | 18 +- block/bio.c | 31 +--- block/blk-cgroup.c | 7 block/blk-core.c | 99 ++++++------- block/blk-crypto-fallback.c | 2 block/blk-crypto.c | 2 block/blk-merge.c | 17 +- block/blk-mq.c | 2 block/blk-settings.c | 2 block/blk-throttle.c | 2 block/blk.h | 9 - block/bounce.c | 2 block/genhd.c | 261 +++--------------------------------- block/partitions/core.c | 31 ---- drivers/block/brd.c | 8 - drivers/block/drbd/drbd_int.h | 4 drivers/block/drbd/drbd_req.c | 2 drivers/block/null_blk_main.c | 2 drivers/block/pktcdvd.c | 4 drivers/block/ps3vram.c | 2 drivers/block/rsxx/dev.c | 2 drivers/block/umem.c | 2 drivers/block/zram/zram_drv.c | 2 drivers/lightnvm/pblk-init.c | 2 drivers/md/bcache/debug.c | 2 drivers/md/bcache/request.c | 39 +++-- drivers/md/dm-bio-record.h | 9 - drivers/md/dm-raid1.c | 10 - drivers/md/dm.c | 14 - drivers/md/md-linear.c | 2 drivers/md/md.c | 10 - drivers/md/md.h | 6 drivers/md/raid1.c | 6 drivers/md/raid10.c | 12 - drivers/md/raid5.c | 2 drivers/nvdimm/blk.c | 4 drivers/nvdimm/btt.c | 4 drivers/nvdimm/pmem.c | 4 drivers/nvme/host/core.c | 6 drivers/nvme/host/lightnvm.c | 3 drivers/nvme/host/multipath.c | 6 drivers/nvme/host/rdma.c | 2 drivers/s390/block/dasd.c | 26 --- drivers/s390/block/dcssblk.c | 6 drivers/s390/block/xpram.c | 2 fs/btrfs/check-integrity.c | 10 - fs/btrfs/raid56.c | 7 fs/btrfs/scrub.c | 2 fs/direct-io.c | 2 fs/f2fs/data.c | 12 - include/linux/bio.h | 18 +- include/linux/blk_types.h | 3 include/linux/blkdev.h | 20 -- include/linux/genhd.h | 21 -- kernel/trace/blktrace.c | 16 +- mm/page_io.c | 2 58 files changed, 251 insertions(+), 556 deletions(-) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel