From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: use block_device based APIs in block layer consumers v3 Date: Fri, 15 Apr 2022 06:52:31 +0200 Message-ID: <20220415045258.199825-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: 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=T00AEFQ4LdY1QMdERyaPozZpUOF+QiWNLetpSJJQdDo=; b=4z6KO6NFlCmw6gfLt5PMjkbZbu ouT60XDqcfvRhernsRXD0vwaftH4PWGz4g/tfgJxaVQdnBahT9rSu+DPV0LcVWvfqp3gSmaRRdKjo LrtjVJU30r+VyvCuJqCpqyJLq+Np0yb+WyGJf7TtEsin5OlECXGHTRm8CUgIrhr286x9pu7HMkFwj WRWOTWk+UhMPmcPKIHaMsVI41kiHgzfBLpjBUgT/qUn8kDftheRbfzGB5lKPyfqxPgkVCnkl5qRhd TvTcdGJElRmxpcgYx6fNN6THfHB/GfYIgPywakC/rqA7h0nFLzILemkQ8Y3NKIc/JU1eL4CKelMvU 3Q7Lrsyw==; List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: drbd-dev-bounces-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org Errors-To: drbd-dev-bounces-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org To: Jens Axboe Cc: jfs-discussion-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org, linux-s390-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cluster-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, xen-devel-GuqFBffKawtpuQazS67q72D2FQJk+8+b@public.gmane.org, linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-um-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, nbd-2H2hN8V1XRtuHlm7Suoebg@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-f2fs-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, linux-xfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ocfs2-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ntfs3-cunTk1MwBs/YUNznpcFYbw@public.gmane.org, linux-btrfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Hi Jens, this series cleanups up the block layer API so that APIs consumed by file systems are (almost) only struct block_devic based, so that file systems don't have to poke into block layer internals like the request_queue. I also found a bunch of existing bugs related to partition offsets and discard so these are fixed while going along. Changes since v2: - fix an inverted check in btrfs - set max_discard_sectors to 0 in all places where the flag was previously cleared - fix a few sligtly incorrect collected Acks Changes since v1: - fix a bisection hazard - minor spelling fixes - reorder hunks between two patches to make the changes more obvious - reorder a patch to be earlier in the series to ease backporting Diffstat: arch/um/drivers/ubd_kern.c | 2 block/blk-core.c | 4 - block/blk-lib.c | 124 ++++++++++++++++++++--------------- block/blk-mq-debugfs.c | 2 block/blk-settings.c | 74 ++++++++++++++++++++ block/blk.h | 14 --- block/fops.c | 2 block/genhd.c | 4 - block/ioctl.c | 48 ++++++++++--- block/partitions/core.c | 12 --- drivers/block/drbd/drbd_main.c | 51 ++++++-------- drivers/block/drbd/drbd_nl.c | 94 +++++++++++--------------- drivers/block/drbd/drbd_receiver.c | 13 +-- drivers/block/loop.c | 15 +--- drivers/block/nbd.c | 5 - drivers/block/null_blk/main.c | 1 drivers/block/rbd.c | 1 drivers/block/rnbd/rnbd-clt.c | 6 - drivers/block/rnbd/rnbd-srv-dev.h | 8 -- drivers/block/rnbd/rnbd-srv.c | 5 - drivers/block/virtio_blk.c | 2 drivers/block/xen-blkback/blkback.c | 15 ++-- drivers/block/xen-blkback/xenbus.c | 9 -- drivers/block/xen-blkfront.c | 8 +- drivers/block/zram/zram_drv.c | 1 drivers/md/bcache/alloc.c | 2 drivers/md/bcache/request.c | 4 - drivers/md/bcache/super.c | 3 drivers/md/bcache/sysfs.c | 2 drivers/md/dm-cache-target.c | 9 -- drivers/md/dm-clone-target.c | 9 -- drivers/md/dm-io.c | 2 drivers/md/dm-log-writes.c | 3 drivers/md/dm-raid.c | 9 -- drivers/md/dm-table.c | 25 +------ drivers/md/dm-thin.c | 15 ---- drivers/md/dm.c | 3 drivers/md/md-linear.c | 11 --- drivers/md/md.c | 5 - drivers/md/raid0.c | 7 - drivers/md/raid1.c | 18 ----- drivers/md/raid10.c | 20 ----- drivers/md/raid5-cache.c | 8 +- drivers/md/raid5.c | 14 +-- drivers/mmc/core/queue.c | 3 drivers/mtd/mtd_blkdevs.c | 1 drivers/nvme/host/core.c | 4 - drivers/nvme/target/io-cmd-bdev.c | 2 drivers/nvme/target/zns.c | 3 drivers/s390/block/dasd_fba.c | 1 drivers/scsi/sd.c | 2 drivers/target/target_core_device.c | 20 ++--- drivers/target/target_core_file.c | 10 +- drivers/target/target_core_iblock.c | 17 +--- fs/btrfs/disk-io.c | 3 fs/btrfs/extent-tree.c | 8 +- fs/btrfs/ioctl.c | 12 +-- fs/btrfs/volumes.c | 4 - fs/btrfs/zoned.c | 3 fs/direct-io.c | 32 +-------- fs/exfat/file.c | 5 - fs/exfat/super.c | 10 -- fs/ext4/ioctl.c | 10 -- fs/ext4/mballoc.c | 10 +- fs/ext4/super.c | 10 -- fs/f2fs/f2fs.h | 3 fs/f2fs/file.c | 19 ++--- fs/f2fs/segment.c | 8 -- fs/fat/file.c | 5 - fs/fat/inode.c | 10 -- fs/gfs2/rgrp.c | 7 - fs/iomap/direct-io.c | 3 fs/jbd2/journal.c | 9 -- fs/jfs/ioctl.c | 5 - fs/jfs/super.c | 8 -- fs/nilfs2/ioctl.c | 6 - fs/nilfs2/sufile.c | 4 - fs/nilfs2/the_nilfs.c | 4 - fs/ntfs3/file.c | 6 - fs/ntfs3/super.c | 10 +- fs/ocfs2/ioctl.c | 5 - fs/super.c | 2 fs/xfs/xfs_discard.c | 8 +- fs/xfs/xfs_log_cil.c | 2 fs/xfs/xfs_super.c | 12 +-- fs/zonefs/super.c | 3 include/linux/blkdev.h | 112 +++++++++++-------------------- include/target/target_core_backend.h | 4 - mm/swapfile.c | 31 ++------ 89 files changed, 494 insertions(+), 651 deletions(-)