[GIT,PULL] Core block changes for 5.14-rc1

Hi Linus, Here are the core block changes for the 5.14-rc1 merge window. This pull request contains: - disk events cleanup (Christoph) - gendisk and request queue allocation simplifications (Christoph) - bdev_disk_changed cleanups (Christoph) - IO priority improvements (Bart) - Chained bio completion trace fix (Edward) - blk-wbt fixes (Jan) - blk-wbt enable/disable fix (Zhang) - Scheduler dispatch improvements (Jan, Ming) - Shared tagset scheduler improvements (John) - BFQ updates (Paolo, Luca, Pietro) - BFQ lock inversion fix (Jan) - Documentation improvements (Kir) - CLONE_IO block cgroup fix (Tejun) - Remove of ancient and deprecated block dump feature (zhangyi) - Discard merge fix (Ming) - Misc fixes or followup fixes (Colin, Damien, Dan, Long, Max, Thomas, Yang) Please pull! The following changes since commit c4681547bcce777daf576925a966ffa824edd09d: Linux 5.13-rc3 (2021-05-23 11:42:48 -1000) are available in the Git repository at: git://git.kernel.dk/linux-block.git tags/for-5.14/block-2021-06-29 for you to fetch changes up to 2705dfb2094777e405e065105e307074af8965c1: block: fix discard request merge (2021-06-29 07:41:08 -0600) ---------------------------------------------------------------- for-5.14/block-2021-06-29 ---------------------------------------------------------------- Bart Van Assche (18): block: Update blk_update_request() documentation block/Kconfig: Make the BLK_WBT and BLK_WBT_MQ entries consecutive block/blk-cgroup: Swap the blk_throtl_init() and blk_iolatency_init() calls block/blk-rq-qos: Move a function from a header file into a C file block: Introduce the ioprio rq-qos policy block/mq-deadline: Add several comments block/mq-deadline: Add two lockdep_assert_held() statements block/mq-deadline: Remove two local variables block/mq-deadline: Rename dd_init_queue() and dd_exit_queue() block/mq-deadline: Improve compile-time argument checking block/mq-deadline: Improve the sysfs show and store macros block/mq-deadline: Reserve 25% of scheduler tags for synchronous requests block/mq-deadline: Micro-optimize the batching algorithm block/mq-deadline: Add I/O priority support block/mq-deadline: Track I/O statistics block/mq-deadline: Add cgroup support block/mq-deadline: Prioritize high-priority requests block/mq-deadline: Remove a WARN_ON_ONCE() call Christoph Hellwig (70): block: refactor device number setup in __device_add_disk block: move the DISK_MAX_PARTS sanity check into __device_add_disk block: automatically enable GENHD_FL_EXT_DEVT block: add a flag to make put_disk on partially initalized disks safer block: add blk_alloc_disk and blk_cleanup_disk APIs brd: convert to blk_alloc_disk/blk_cleanup_disk drbd: convert to blk_alloc_disk/blk_cleanup_disk pktcdvd: convert to blk_alloc_disk/blk_cleanup_disk rsxx: convert to blk_alloc_disk/blk_cleanup_disk zram: convert to blk_alloc_disk/blk_cleanup_disk lightnvm: convert to blk_alloc_disk/blk_cleanup_disk bcache: convert to blk_alloc_disk/blk_cleanup_disk dm: convert to blk_alloc_disk/blk_cleanup_disk md: convert to blk_alloc_disk/blk_cleanup_disk nvdimm-blk: convert to blk_alloc_disk/blk_cleanup_disk nvdimm-btt: convert to blk_alloc_disk/blk_cleanup_disk nvdimm-pmem: convert to blk_alloc_disk/blk_cleanup_disk nvme-multipath: convert to blk_alloc_disk/blk_cleanup_disk nfblock: convert to blk_alloc_disk/blk_cleanup_disk simdisk: convert to blk_alloc_disk/blk_cleanup_disk n64cart: convert to blk_alloc_disk ps3vram: convert to blk_alloc_disk/blk_cleanup_disk dcssblk: convert to blk_alloc_disk/blk_cleanup_disk xpram: convert to blk_alloc_disk/blk_cleanup_disk null_blk: convert to blk_alloc_disk/blk_cleanup_disk block: unexport blk_alloc_queue block: split __blkdev_get block: move sync_blockdev from __blkdev_put to blkdev_put block: move bd_mutex to struct gendisk block: move adjusting bd_part_count out of __blkdev_get block: split __blkdev_put block: move bd_part_count to struct gendisk block: factor out a part_devt helper block: remove bdget_disk blk-mq: factor out a blk_mq_alloc_sq_tag_set helper blk-mq: improve the blk_mq_init_allocated_queue interface blk-mq: add the blk_mq_alloc_disk APIs virtio-blk: use blk_mq_alloc_disk pcd: use blk_mq_alloc_disk pf: use blk_mq_alloc_disk ms_block: use blk_mq_alloc_disk mspro: use blk_mq_alloc_disk mtd_blkdevs: use blk_mq_alloc_disk ps3disk: use blk_mq_alloc_disk swim3: use blk_mq_alloc_disk swim: use blk_mq_alloc_disk sunvdc: use blk_mq_alloc_disk gdrom: use blk_mq_alloc_disk blk-mq: remove blk_mq_init_sq_queue aoe: use blk_mq_alloc_disk and blk_cleanup_disk floppy: use blk_mq_alloc_disk and blk_cleanup_disk loop: use blk_mq_alloc_disk and blk_cleanup_disk nbd: use blk_mq_alloc_disk and blk_cleanup_disk nullb: use blk_mq_alloc_disk pd: use blk_mq_alloc_disk and blk_cleanup_disk rbd: use blk_mq_alloc_disk and blk_cleanup_disk rnbd: use blk_mq_alloc_disk and blk_cleanup_disk sx8: use blk_mq_alloc_disk and blk_cleanup_disk xen-blkfront: use blk_mq_alloc_disk and blk_cleanup_disk ubi: use blk_mq_alloc_disk and blk_cleanup_disk scm_blk: use blk_mq_alloc_disk and blk_cleanup_disk amiflop: use blk_mq_alloc_disk and blk_cleanup_disk ataflop: use blk_mq_alloc_disk and blk_cleanup_disk z2ram: use blk_mq_alloc_disk and blk_cleanup_disk mtd_blkdevs: initialze new->rq in add_mtd_blktrans_dev loop: fix order of cleaning up the queue and freeing the tagset block: move the disk events code to a separate file block: add the events* attributes to disk_attrs block: move bdev_disk_changed block: pass a gendisk to bdev_disk_changed Colin Ian King (1): null_blk: Fix null pointer dereference on nullb->disk on blk_cleanup_disk call Damien Le Moal (1): block: Remove unnecessary elevator operation checks Dan Carpenter (1): blk-mq: fix an IS_ERR() vs NULL bug Dan Williams (1): libnvdimm/pmem: Fix blk_cleanup_disk() usage Edward Hsieh (1): block: fix trace completion for chained bio Jan Kara (4): block: Do not pull requests from the scheduler when we cannot dispatch them rq-qos: fix missed wake-ups in rq_qos_throttle try two bfq: Remove merged request already in bfq_requests_merged() blk: Fix lock inversion between ioc lock and bfqd lock John Garry (2): blk-mq: Some tag allocation code refactoring blk-mq: Use request queue-wide tags for tagset-wide sbitmap Kir Kolyshkin (3): docs: block/bfq: describe per-device weight docs/cgroup-v1/blkio: stop abusing itemized list docs/cgroup-v1/blkio: update for 5.x kernels Long Li (1): block: return the correct bvec when checking for gaps Luca Mariotti (1): block, bfq: fix delayed stable merge check Max Gurtovoy (1): block: remove unneeded parenthesis from blk-sysfs Ming Lei (9): block: avoid double io accounting for flush request blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter blk-mq: clear stale request in tags->rq[] before freeing one request pool blk-mq: clearing flush request reference in tags->rqs[] block: fix race between adding/removing rq qos and normal IO block: mark queue init done at the end of blk_register_queue blk-mq: fix use-after-free in blk_mq_exit_sched blk-mq: update hctx->dispatch_busy in case of real scheduler block: fix discard request merge Paolo Valente (5): block, bfq: let also stably merged queues enjoy weight raising block, bfq: consider also creation time in delayed stable merge block, bfq: avoid delayed merge of async queues block, bfq: check waker only for queues with no in-flight I/O block, bfq: reset waker pointer with shared queues Pietro Pedroni (1): block, bfq: boost throughput by extending queue-merging times Tejun Heo (1): blkcg: drop CLONE_IO check in blkcg_can_attach() Thomas Bracht Laumann Jespersen (1): block/partitions/msdos: Fix typo inidicator -> indicator Yang Yingliang (1): aoe: remove unnecessary mutex_init() Zhang Yi (2): blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled() blk-wbt: make sure throttle is enabled properly lijiazi (1): blk-wbt: remove outdated comment zhangyi (F) (3): block_dump: remove block_dump feature in mark_inode_dirty() block_dump: remove block_dump feature block_dump: remove comments in docs .../admin-guide/cgroup-v1/blkio-controller.rst | 155 +-- Documentation/admin-guide/cgroup-v2.rst | 55 + Documentation/admin-guide/laptops/laptop-mode.rst | 11 - Documentation/admin-guide/sysctl/vm.rst | 8 - Documentation/block/bfq-iosched.rst | 38 +- Documentation/filesystems/locking.rst | 2 +- arch/m68k/emu/nfblock.c | 20 +- arch/xtensa/platforms/iss/simdisk.c | 29 +- block/Kconfig | 19 +- block/Kconfig.iosched | 6 + block/Makefile | 6 +- block/bfq-iosched.c | 115 +- block/bio.c | 13 +- block/blk-cgroup.c | 41 +- block/blk-core.c | 22 +- block/blk-flush.c | 3 +- block/blk-ioprio.c | 262 +++++ block/blk-ioprio.h | 19 + block/blk-merge.c | 27 +- block/blk-mq-debugfs.c | 15 + block/blk-mq-sched.c | 99 +- block/blk-mq-sched.h | 5 +- block/blk-mq-tag.c | 114 +- block/blk-mq-tag.h | 15 +- block/blk-mq.c | 206 ++-- block/blk-mq.h | 14 + block/blk-rq-qos.c | 4 +- block/blk-rq-qos.h | 38 +- block/blk-sysfs.c | 45 +- block/blk-wbt.c | 12 +- block/blk-wbt.h | 1 + block/blk.h | 17 +- block/disk-events.c | 469 ++++++++ block/elevator.c | 17 +- block/genhd.c | 701 ++---------- block/ioctl.c | 2 +- block/mq-deadline-cgroup.c | 126 +++ block/mq-deadline-cgroup.h | 114 ++ block/mq-deadline-main.c | 1175 ++++++++++++++++++++ block/mq-deadline.c | 815 -------------- block/partitions/core.c | 129 ++- block/partitions/msdos.c | 2 +- drivers/block/amiflop.c | 16 +- drivers/block/aoe/aoeblk.c | 33 +- drivers/block/aoe/aoecmd.c | 2 - drivers/block/aoe/aoedev.c | 3 +- drivers/block/ataflop.c | 16 +- drivers/block/brd.c | 94 +- drivers/block/drbd/drbd_main.c | 23 +- drivers/block/floppy.c | 20 +- drivers/block/loop.c | 46 +- drivers/block/n64cart.c | 8 +- drivers/block/nbd.c | 53 +- drivers/block/null_blk/main.c | 37 +- drivers/block/paride/pcd.c | 19 +- drivers/block/paride/pd.c | 30 +- drivers/block/paride/pf.c | 18 +- drivers/block/pktcdvd.c | 11 +- drivers/block/ps3disk.c | 36 +- drivers/block/ps3vram.c | 31 +- drivers/block/rbd.c | 52 +- drivers/block/rnbd/rnbd-clt.c | 35 +- drivers/block/rsxx/dev.c | 39 +- drivers/block/rsxx/rsxx_priv.h | 1 - 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 | 104 +- drivers/block/z2ram.c | 15 +- drivers/block/zram/zram_drv.c | 37 +- drivers/block/zram/zram_drv.h | 2 +- drivers/cdrom/gdrom.c | 45 +- drivers/lightnvm/core.c | 24 +- drivers/md/bcache/super.c | 15 +- drivers/md/dm-rq.c | 9 +- drivers/md/dm.c | 16 +- drivers/md/md.c | 25 +- drivers/md/md.h | 6 +- drivers/memstick/core/ms_block.c | 26 +- drivers/memstick/core/mspro_block.c | 26 +- drivers/mtd/mtd_blkdevs.c | 49 +- drivers/mtd/ubi/block.c | 68 +- drivers/nvdimm/blk.c | 27 +- drivers/nvdimm/btt.c | 25 +- drivers/nvdimm/btt.h | 2 - drivers/nvdimm/pmem.c | 21 +- drivers/nvme/host/core.c | 1 - drivers/nvme/host/multipath.c | 46 +- drivers/s390/block/dasd_genhd.c | 12 +- drivers/s390/block/dcssblk.c | 26 +- drivers/s390/block/scm_blk.c | 21 +- drivers/s390/block/xpram.c | 26 +- drivers/scsi/sd.c | 4 +- fs/block_dev.c | 244 ++-- fs/btrfs/volumes.c | 2 +- fs/fs-writeback.c | 25 - fs/super.c | 8 +- include/linux/bio.h | 12 +- include/linux/blk-mq.h | 24 +- include/linux/blk_types.h | 4 - include/linux/blkdev.h | 5 +- include/linux/elevator.h | 4 +- include/linux/genhd.h | 32 +- include/linux/wait.h | 2 +- include/linux/writeback.h | 1 - init/do_mounts.c | 10 +- kernel/sched/wait.c | 9 +- kernel/sysctl.c | 8 - mm/page-writeback.c | 5 - 111 files changed, 3776 insertions(+), 3069 deletions(-) create mode 100644 block/blk-ioprio.c create mode 100644 block/blk-ioprio.h create mode 100644 block/disk-events.c create mode 100644 block/mq-deadline-cgroup.c create mode 100644 block/mq-deadline-cgroup.h create mode 100644 block/mq-deadline-main.c delete mode 100644 block/mq-deadline.c

Message ID	ab2255de-8bbc-8c6f-7309-25cbb506000f@kernel.dk (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-block-owner@kernel.org> From: Jens Axboe <axboe@kernel.dk> Subject: [GIT PULL] Core block changes for 5.14-rc1 To: Linus Torvalds <torvalds@linux-foundation.org> Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org> Message-ID: <ab2255de-8bbc-8c6f-7309-25cbb506000f@kernel.dk> Date: Tue, 29 Jun 2021 13:39:34 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk
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[GIT,PULL] Core block changes for 5.14-rc1

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