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 F167D29CA for ; Tue, 18 Jan 2022 07:20:06 +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=ScaZLB316TNMvWwlnv9wxx+Nw6Jl5Gr2bEFrm1gsbik=; b=BupyQ2oy6Mma4oohnbl5wchvqn 3INPpJTxm/BBRl/t9RkPSLYcWQ6Tvy9mp7Gzpm+0XfdyXm9hy+6uiWuICZ0q1Htk22k/y8teJsmRy nw8Hc+t8NG4FQ9e2WfSH1NeRblFTaCCb+c/YF/d96imGOThenihSDQYboiaLfULXj4JsMClr6UIC2 s11FIUZL0uM0O8ZekMG/XIa8RcIHxEdXx1AN/Gr2+nctRFbtEvw5nrOcHvfJbu44bXeZ4pqAcEen2 6t9X9ewQ0wSnc8nb+GPTsZ14BMHsGKj3UtRC/RIttaD3ZIJbgV3w5SGL7zPOcrWkOSQ9ru5hPGHW9 ILp/Ph/Q==; Received: from [2001:4bb8:184:72a4:a4a9:19c0:5242:7768] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9imY-000ZMt-Pw; Tue, 18 Jan 2022 07:19:55 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Pavel Begunkov , Mike Snitzer , Ryusuke Konishi , Konstantin Komarov , Andrew Morton , "Md . Haris Iqbal " , Jack Wang , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Philipp Reisner , Lars Ellenberg , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, xen-devel@lists.xenproject.org, drbd-dev@lists.linbit.com Subject: improve the bio allocation interface Date: Tue, 18 Jan 2022 08:19:33 +0100 Message-Id: <20220118071952.1243143-1-hch@lst.de> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: ntfs3@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 Jens, this series is posted early because it has wide-ranging changes and could use some early ACKs before -rc1. It changes the interface to the bio allocators to always pass a block_device and the operation, which is information needed for every bio submitted through bio_submit. This means the fields can be directly initialized in bio_init instead of first being zeroed and thus should help to micro-optimize even better than the __bio_set_dev that Pavel proposed while also cleaning up code. I have a follow on series to also deal with the bio cloning interfaces that need even more love, and additional cleanups for the callers which might be material for the next merge window. Diffstat: block/bio.c | 73 ++++++++++++++++++++++++------------ block/blk-flush.c | 4 - block/blk-lib.c | 32 ++------------- block/blk-zoned.c | 14 +----- block/blk.h | 2 block/bounce.c | 6 -- block/fops.c | 35 +++++++---------- drivers/block/drbd/drbd_actlog.c | 5 -- drivers/block/drbd/drbd_bitmap.c | 7 +-- drivers/block/drbd/drbd_receiver.c | 31 +++------------ drivers/block/floppy.c | 4 - drivers/block/pktcdvd.c | 8 --- drivers/block/rnbd/rnbd-srv-dev.c | 61 ------------------------------ drivers/block/rnbd/rnbd-srv-dev.h | 18 -------- drivers/block/rnbd/rnbd-srv.c | 45 ++++++++-------------- drivers/block/rnbd/rnbd-srv.h | 1 drivers/block/xen-blkback/blkback.c | 25 ++---------- drivers/block/zram/zram_drv.c | 16 ++----- drivers/md/bcache/io.c | 3 - drivers/md/bcache/journal.c | 16 ++----- drivers/md/bcache/movinggc.c | 4 - drivers/md/bcache/request.c | 18 +++----- drivers/md/bcache/super.c | 8 +-- drivers/md/bcache/writeback.c | 4 - drivers/md/dm-crypt.c | 27 ++++--------- drivers/md/dm-io.c | 5 -- drivers/md/dm-log-writes.c | 39 +++---------------- drivers/md/dm-snap.c | 21 ---------- drivers/md/dm-thin.c | 41 +++++--------------- drivers/md/dm-writecache.c | 7 +-- drivers/md/dm-zoned-metadata.c | 26 ++---------- drivers/md/dm.c | 12 ++--- drivers/md/md-multipath.c | 2 drivers/md/md.c | 24 +++++------ drivers/md/raid1.c | 8 +-- drivers/md/raid10.c | 14 ++---- drivers/md/raid5-cache.c | 19 +++------ drivers/md/raid5-ppl.c | 13 ++---- drivers/md/raid5.c | 12 ++--- drivers/nvdimm/nd_virtio.c | 6 +- drivers/nvme/target/io-cmd-bdev.c | 18 +++----- drivers/nvme/target/passthru.c | 7 +-- drivers/nvme/target/zns.c | 14 +++--- drivers/scsi/ufs/ufshpb.c | 4 - drivers/target/target_core_iblock.c | 11 +---- fs/btrfs/disk-io.c | 10 +--- fs/btrfs/extent_io.c | 2 fs/buffer.c | 14 ++---- fs/crypto/bio.c | 13 ++---- fs/direct-io.c | 5 -- fs/erofs/zdata.c | 5 -- fs/ext4/page-io.c | 3 - fs/ext4/readpage.c | 8 +-- fs/f2fs/data.c | 7 +-- fs/gfs2/lops.c | 8 +-- fs/gfs2/meta_io.c | 4 - fs/gfs2/ops_fstype.c | 4 - fs/hfsplus/wrapper.c | 4 - fs/iomap/buffered-io.c | 26 +++++------- fs/iomap/direct-io.c | 8 --- fs/jfs/jfs_logmgr.c | 11 ----- fs/jfs/jfs_metapage.c | 9 +--- fs/mpage.c | 34 ++-------------- fs/nfs/blocklayout/blocklayout.c | 26 +----------- fs/nilfs2/segbuf.c | 31 +-------------- fs/ntfs3/fsntfs.c | 27 ------------- fs/ocfs2/cluster/heartbeat.c | 4 - fs/squashfs/block.c | 11 ++--- fs/xfs/xfs_bio_io.c | 14 ++---- fs/xfs/xfs_buf.c | 4 - fs/xfs/xfs_log.c | 14 +++--- fs/zonefs/super.c | 9 +--- include/linux/bio.h | 30 ++++++-------- kernel/power/swap.c | 5 -- mm/page_io.c | 10 +--- 75 files changed, 372 insertions(+), 758 deletions(-)