Hi Linus,
Here are the core block changes for the 5.17-rc1 merge window. This pull
request contains:
- Unify where the struct request handling code is located in the blk-mq
code (Christoph)
- Header cleanups (Christoph)
- Clean up the io_context handling code (Christoph, me)
- Get rid of ->rq_disk in struct request (Christoph)
- Error handling fix for add_disk() (Christoph)
- request allocation cleanusp (Christoph)
- Documentation updates (Eric, Matthew)
- Remove trivial crypto unregister helper (Eric)
- Reduce shared tag overhead (John)
- Reduce poll_stats memory overhead (me)
- Known indirect function call for dio (me)
- Use atomic references for struct request (me)
- Support request list issue for block and NVMe (me)
- Improve queue dispatch pinning (Ming)
- Improve the direct list issue code (Keith)
- BFQ improvements (Jan)
- Direct completion helper and use it in mmc block (Sebastian)
- Use raw spinlock for the blktrace code (Wander)
- fsync error handling fix (Ye)
- Various fixes and cleanups (Lukas, Randy, Yang, Tetsuo, Ming, me)
Please pull!
The following changes since commit d58071a8a76d779eedab38033ae4c821c30295a5:
Linux 5.16-rc3 (2021-11-28 14:09:19 -0800)
are available in the Git repository at:
git://git.kernel.dk/linux-block.git tags/for-5.17/block-2022-01-11
for you to fetch changes up to f029cedb9bb5bab7f1bb3042be348f2dac0ee66e:
MAINTAINERS: add entries for block layer documentation (2022-01-09 18:59:10 -0700)
----------------------------------------------------------------
for-5.17/block-2022-01-11
----------------------------------------------------------------
Christoph Hellwig (68):
block: move blk_rq_err_bytes to scsi
block: remove rq_flush_dcache_pages
block: remove blk-exec.c
blk-mq: move blk_mq_flush_plug_list
block: move request based cloning helpers to blk-mq.c
block: move blk_rq_init to blk-mq.c
block: move blk_steal_bios to blk-mq.c
block: move blk_account_io_{start,done} to blk-mq.c
block: move blk_dump_rq_flags to blk-mq.c
block: move blk_print_req_error to blk-mq.c
block: don't include blk-mq headers in blk-core.c
block: move GENHD_FL_NATIVE_CAPACITY to disk->state
block: move GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE to disk->event_flags
block: remove GENHD_FL_CD
block: remove a dead check in show_partition
block: merge disk_scan_partitions and blkdev_reread_part
block: rename GENHD_FL_NO_PART_SCAN to GENHD_FL_NO_PART
block: remove the GENHD_FL_HIDDEN check in blkdev_get_no_open
null_blk: don't suppress partitioning information
mmc: don't set GENHD_FL_SUPPRESS_PARTITION_INFO
block: remove GENHD_FL_SUPPRESS_PARTITION_INFO
block: remove GENHD_FL_EXT_DEVT
block: don't set GENHD_FL_NO_PART for hidden gendisks
block: cleanup the GENHD_FL_* definitions
sr: set GENHD_FL_REMOVABLE earlier
blk-mq: simplify the plug handling in blk_mq_submit_bio
blk-mq: move more plug handling from blk_mq_submit_bio into blk_add_rq_to_plug
block: move blk_get_flush_queue to blk-flush.c
block: remove elevator_exit
block: remove the e argument to elevator_exit
block: don't include blk-mq-sched.h in blk.h
block: don't include blk-mq.h in blk.h
block: don't include <linux/blk-mq.h> in blk.h
block: don't include <linux/idr.h> in blk.h
block: don't include <linux/part_stat.h> in blk.h
blk-mq: cleanup request allocation
RDMA/qib: rename copy_io to qib_copy_io
fork: move copy_io to block/blk-ioc.c
bfq: simplify bfq_bic_lookup
bfq: use bfq_bic_lookup in bfq_limit_depth
Revert "block: Provide blk_mq_sched_get_icq()"
block: mark put_io_context_active static
block: move blk_mq_sched_assign_ioc to blk-ioc.c
block: move the remaining elv.icq handling to the I/O scheduler
block: remove get_io_context_active
block: factor out a alloc_io_context helper
block: use alloc_io_context in __copy_io
block: return the io_context from create_task_io_context
block: simplify ioc_create_icq
block: simplify ioc_lookup_icq
mtd_blkdevs: remove the sector out of range check in do_blktrans_request
block: don't check ->rq_disk in merges
block: remove the ->rq_disk field in struct request
block: remove the gendisk argument to blk_execute_rq
scsi: remove the gendisk argument to scsi_ioctl
mtd_blkdevs: don't scan partitions for plain mtdblock
block: remove the nr_task field from struct io_context
block: simplify struct io_context refcounting
block: refactor put_iocontext_active
block: remove the NULL ioc check in put_io_context
block: refactor put_io_context
block: cleanup ioc_clear_queue
block: move set_task_ioprio to blk-ioc.c
block: fold get_task_io_context into set_task_ioprio
block: open code create_task_io_context in set_task_ioprio
block: fold create_task_io_context into ioc_find_get_icq
block: only build the icq tracking code when needed
block: fix error unwinding in device_add_disk
Colin Ian King (1):
block: Remove redundant initialization of variable ret
Eric Biggers (9):
blk-crypto: remove blk_crypto_unregister()
docs: sysfs-block: move to stable directory
docs: sysfs-block: sort alphabetically
docs: sysfs-block: add contact for nomerges
docs: sysfs-block: fill in missing documentation from queue-sysfs.rst
docs: sysfs-block: document stable_writes
docs: sysfs-block: document virt_boundary_mask
docs: block: remove queue-sysfs.rst
MAINTAINERS: add entries for block layer documentation
Guo Zhengkui (1):
blk_mq: remove repeated includes
Jan Kara (8):
block: Provide blk_mq_sched_get_icq()
bfq: Track number of allocated requests in bfq_entity
bfq: Store full bitmap depth in bfq_data
bfq: Limit number of requests consumed by each cgroup
bfq: Limit waker detection in time
bfq: Provide helper to generate bfqq name
bfq: Log waker detections
bfq: Do not let waker requests skip proper accounting
Jens Axboe (16):
blk-ioprio: don't set bio priority if not needed
block: only allocate poll_stats if there's a user of them
block: move io_context creation into where it's needed
block: get rid of useless goto and label in blk_mq_get_new_requests()
block: fix double bio queue when merging in cached request path
mm: move filemap_range_needs_writeback() into header
block: move direct_IO into our own read_iter handler
block: switch to atomic_t for request references
block: make queue stat accounting a reference
block: add completion handler for fast path
block: use singly linked list for bio cache
block: add mq_ops->queue_rqs hook
nvme: split command copy into a helper
nvme: separate command prep and issue
nvme: add support for mq_ops->queue_rqs()
block: fix error in handling dead task for ioprio setting
John Garry (3):
blk-mq: Drop busy_iter_fn blk_mq_hw_ctx argument
blk-mq: Delete busy_iter_fn
blk-mq: Optimise blk_mq_queue_tag_busy_iter() for shared tags
Keith Busch (6):
blk-mq: blk-mq: check quiesce state before queue_rqs
block: remove unnecessary trailing '\'
block: move rq_list macros to blk-mq.h
block: introduce rq_list_for_each_safe macro
block: introduce rq_list_move
nvme-pci: fix queue_rqs list splitting
Lukas Bulwahn (1):
block: drop needless assignment in set_task_ioprio()
Matthew Wilcox (Oracle) (1):
bdev: Improve lookup_bdev documentation
Ming Lei (10):
blk-mq: use bio->bi_opf after bio is checked
blk-mq: check q->poll_stat in queue_poll_stat_show
blk-mq: remove hctx_lock and hctx_unlock
blk-mq: move srcu from blk_mq_hw_ctx to request_queue
blk-mq: pass request queue to blk_mq_run_dispatch_ops
blk-mq: run dispatch lock once in case of issuing from list
blk-mq: don't run might_sleep() if the operation needn't blocking
blk-mq: don't use plug->mq_list->q directly in blk_mq_run_dispatch_ops()
block: call blk_exit_queue() before freeing q->stats
block: don't protect submit_bio_checks by q_usage_counter
Randy Dunlap (1):
bio.h: fix kernel-doc warnings
Sebastian Andrzej Siewior (2):
blk-mq: Add blk_mq_complete_request_direct()
mmc: core: Use blk_mq_complete_request_direct().
Tetsuo Handa (2):
block: use "unsigned long" for blk_validate_block_size().
block: check minor range in device_add_disk()
Wander Lairson Costa (1):
blktrace: switch trace spinlock to a raw spinlock
Yang Li (1):
block: fix old-style declaration
Ye Bin (1):
block: Fix fsync always failed if once failed
Documentation/ABI/stable/sysfs-block | 676 ++++++++++++++
Documentation/ABI/testing/sysfs-block | 346 --------
Documentation/block/index.rst | 1 -
Documentation/block/queue-sysfs.rst | 321 -------
Documentation/core-api/kernel-api.rst | 3 -
.../translations/zh_CN/core-api/kernel-api.rst | 2 -
MAINTAINERS | 2 +
block/Kconfig | 3 +
block/Kconfig.iosched | 1 +
block/Makefile | 2 +-
block/bdev.c | 24 +-
block/bfq-iosched.c | 304 ++++---
block/bfq-iosched.h | 35 +-
block/bio.c | 13 +-
block/blk-cgroup.c | 1 +
block/blk-core.c | 391 +--------
block/blk-crypto-profile.c | 5 -
block/blk-exec.c | 116 ---
block/blk-flush.c | 18 +-
block/blk-integrity.c | 2 +-
block/blk-ioc.c | 318 ++++---
block/blk-ioprio.c | 13 +-
block/blk-merge.c | 18 +-
block/blk-mq-debugfs.c | 5 +-
block/blk-mq-sched.c | 29 +-
block/blk-mq-sched.h | 2 -
block/blk-mq-sysfs.c | 2 -
block/blk-mq-tag.c | 67 +-
block/blk-mq-tag.h | 2 +-
block/blk-mq.c | 974 ++++++++++++++-------
block/blk-mq.h | 22 +-
block/blk-stat.c | 39 +-
block/blk-stat.h | 2 +
block/blk-sysfs.c | 13 +-
block/blk-throttle.c | 1 +
block/blk.h | 115 +--
block/bsg-lib.c | 2 +-
block/elevator.c | 10 +-
block/fops.c | 37 +-
block/genhd.c | 60 +-
block/ioctl.c | 31 +-
block/ioprio.c | 32 -
block/kyber-iosched.c | 1 +
block/partitions/core.c | 24 +-
drivers/block/amiflop.c | 3 +-
drivers/block/ataflop.c | 7 +-
drivers/block/brd.c | 1 -
drivers/block/drbd/drbd_main.c | 1 +
drivers/block/floppy.c | 7 +-
drivers/block/loop.c | 9 +-
drivers/block/mtip32xx/mtip32xx.c | 2 +-
drivers/block/n64cart.c | 2 +-
drivers/block/null_blk/main.c | 1 -
drivers/block/null_blk/trace.h | 2 +-
drivers/block/paride/pcd.c | 5 +-
drivers/block/paride/pd.c | 6 +-
drivers/block/paride/pf.c | 5 +-
drivers/block/pktcdvd.c | 4 +-
drivers/block/ps3vram.c | 1 +
drivers/block/rbd.c | 6 +-
drivers/block/rnbd/rnbd-clt.c | 4 +-
drivers/block/sunvdc.c | 19 +-
drivers/block/swim.c | 1 +
drivers/block/swim3.c | 2 +-
drivers/block/sx8.c | 4 +-
drivers/block/virtio_blk.c | 3 +-
drivers/block/xen-blkback/xenbus.c | 2 +-
drivers/block/xen-blkfront.c | 26 +-
drivers/block/z2ram.c | 1 +
drivers/block/zram/zram_drv.c | 1 +
drivers/cdrom/gdrom.c | 1 +
drivers/infiniband/hw/qib/qib_verbs.c | 4 +-
drivers/md/dm-mpath.c | 1 -
drivers/md/dm.c | 1 +
drivers/md/md.c | 5 -
drivers/mmc/core/block.c | 38 +-
drivers/mtd/mtd_blkdevs.c | 26 +-
drivers/mtd/ubi/block.c | 7 +-
drivers/nvme/host/core.c | 4 +-
drivers/nvme/host/fault_inject.c | 2 +-
drivers/nvme/host/pci.c | 147 +++-
drivers/nvme/host/trace.h | 6 +-
drivers/nvme/target/passthru.c | 3 +-
drivers/scsi/ch.c | 2 +-
drivers/scsi/scsi_bsg.c | 2 +-
drivers/scsi/scsi_error.c | 2 +-
drivers/scsi/scsi_ioctl.c | 43 +-
drivers/scsi/scsi_lib.c | 47 +-
drivers/scsi/scsi_logging.c | 4 +-
drivers/scsi/sd.c | 27 +-
drivers/scsi/sd_zbc.c | 8 +-
drivers/scsi/sg.c | 6 +-
drivers/scsi/sr.c | 17 +-
drivers/scsi/st.c | 4 +-
drivers/scsi/ufs/ufshpb.c | 4 +-
drivers/scsi/virtio_scsi.c | 2 +-
drivers/target/target_core_pscsi.c | 2 +-
drivers/usb/storage/transport.c | 2 +-
fs/io_uring.c | 2 +-
fs/iomap/direct-io.c | 1 +
include/linux/bio.h | 4 +-
include/linux/blk-mq.h | 105 ++-
include/linux/blkdev.h | 47 +-
include/linux/fs.h | 2 -
include/linux/genhd.h | 85 +-
include/linux/iocontext.h | 49 +-
include/linux/pagemap.h | 29 +
include/scsi/scsi_cmnd.h | 2 +-
include/scsi/scsi_device.h | 4 +-
include/scsi/scsi_ioctl.h | 4 +-
include/trace/events/block.h | 8 +-
kernel/fork.c | 26 -
kernel/trace/blktrace.c | 20 +-
mm/filemap.c | 32 +-
114 files changed, 2563 insertions(+), 2484 deletions(-)
create mode 100644 Documentation/ABI/stable/sysfs-block
delete mode 100644 Documentation/ABI/testing/sysfs-block
delete mode 100644 Documentation/block/queue-sysfs.rst
delete mode 100644 block/blk-exec.c
--
Jens Axboe
