Hi Linus,
First pull request for this merge window, there will also be a
followup request with some stragglers.
This pull request contains:
- Fix for a thundering heard issue in the wbt block code (Anchal
Agarwal)
- A few NVMe pull requests:
- Improved tracepoints (Keith)
- Larger inline data support for RDMA (Steve Wise)
- RDMA setup/teardown fixes (Sagi)
- Effects log suppor for NVMe target (Chaitanya Kulkarni)
- Buffered IO suppor for NVMe target (Chaitanya Kulkarni)
- TP4004 (ANA) support (Christoph)
- Various NVMe fixes
- Block io-latency controller support. Much needed support for properly
containing block devices. (Josef)
- Series improving how we handle sense information on the stack (Kees)
- Lightnvm fixes and updates/improvements (Mathias/Javier et al)
- Zoned device support for null_blk (Matias)
- AIX partition fixes (Mauricio Faria de Oliveira)
- DIF checksum code made generic (Max Gurtovoy)
- Add support for discard in iostats (Michael Callahan / Tejun)
- Set of updates for BFQ (Paolo)
- Removal of async write support for bsg (Christoph)
- Bio page dirtying and clone fixups (Christoph)
- Set of bcache fix/changes (via Coly)
- Series improving blk-mq queue setup/teardown speed (Ming)
- Series improving merging performance on blk-mq (Ming)
- Lots of other fixes and cleanups from a slew of folks.
Please pull!
git://git.kernel.dk/linux-block.git tags/for-4.19/block-20180812
----------------------------------------------------------------
Anchal Agarwal (1):
blk-wbt: Avoid lock contention and thundering herd issue in wbt_wait
Andy Shevchenko (1):
nvmet: don't use uuid_le type
Arnd Bergmann (2):
block: iolatency: avoid 64-bit division
bcache: stop using the deprecated get_seconds()
Bart Van Assche (16):
block: Remove a superfluous cast from blkdev_report_zones()
include/uapi/linux/blkzoned.h: Remove a superfluous __packed directive
block: Remove bdev_nr_zones()
block: Inline blk_queue_nr_zones()
block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n
drbd: Do not redefine __must_hold()
block: Document how blk_update_request() handles RQF_SPECIAL_PAYLOAD
requests
lightnvm: Remove redundant rq->__data_len initialization
block: Rename the null_blk_mod kernel module back into null_blk
cfq: Annotate fall-through in a switch statement
cfq: Suppress compiler warnings about comparisons
block: Remove two superfluous #include directives
blkcg: Introduce blkg_root_lookup()
block: Introduce blk_exit_queue()
block: Ensure that a request queue is dissociated from the cgroup
controller
blkcg: Make blkg_root_lookup() work for queues in bypass mode
Chaitanya Kulkarni (6):
nvmet: add commands supported and effects log page
nvmet: add buffered I/O support for file backed ns
nvmet: use Retain Async Event bit to clear AEN
nvme.h: add support for ns write protect definitions
nvme: set gendisk read only based on nsattr
nvmet: add ns write protect support
Christoph Hellwig (20):
bsg: remove read/write support
block: simplify bio_check_pages_dirty
block: bio_set_pages_dirty can't see NULL bv_page in a valid bio_vec
bcache: don't clone bio in bch_data_verify
exofs: use bio_clone_fast in _write_mirror
block: remove bio_clone_kmalloc
md: remove a bogus comment
block: unexport bio_clone_bioset
nvme.h: add support for the log specific field
nvme.h: add ANA definitions
nvme: simplify the API for getting log pages
nvme: remove nvme_req_needs_failover
nvme: add ANA support
nvmet: keep a port pointer in nvmet_ctrl
nvmet: track and limit the number of namespaces per subsystem
nvmet: add minimal ANA support
nvmet: support configuring ANA groups
scsi: build scsi_common.o for all scsi passthrough request users
target: don't depend on SCSI
target/loop: depend on SCSI
Colin Ian King (4):
block/floppy: remove redundant variable dflags
loop: remove redundant pointer inode
partitions/ldm: remove redundant pointer dgrp
paride: remove redundant variable n
Coly Li (9):
bcache: do not check return value of debugfs_create_dir()
bcache: display rate debug parameters to 0 when writeback is not running
bcache: avoid unncessary cache prefetch bch_btree_node_get()
bcache: add a comment in super.c
bcache: fix mistaken code comments in bcache.h
bcache: fix mistaken comments in request.c
bcache: add code comments for bset.c
bcache: set max writeback rate when I/O request is idle
bcache: fix error setting writeback_rate through sysfs interface
Dennis Zhou (Facebook) (1):
block: make iolatency avg_lat exponentially decay
Florian Schmaus (3):
bcache: do not assign in if condition register_bcache()
bcache: do not assign in if condition in bcache_init()
bcache: do not assign in if condition in bcache_device_init()
Geert Uytterhoeven (1):
block: Add default switch case to blk_pm_allow_request() to kill warning
Greg Edwards (3):
block: move bio_integrity_{intervals,bytes} into blkdev.h
scsi: virtio_scsi: fix pi_bytes{out,in} on 4 KiB block size devices
block: bvec_nr_vecs() returns value for wrong slab
Gustavo A. R. Silva (7):
drbd: mark expected switch fall-throughs
block/loop: mark expected switch fall-through
lightnvm: pblk: mark expected switch fall-through
nvme-rdma: mark expected switch fall-through
aoe: mark expected switch fall-through
xen-blkfront: use true and false for boolean values
block: paride: pd: mark expected switch fall-throughs
Hannes Reinecke (2):
nvme: fixup crash on failed discovery
nvme.h: fixup ANA group descriptor format
Hans Holmberg (1):
lightnvm: pblk: assume that chunks are closed on 1.2 devices
Heiner Litz (1):
lightnvm: pblk: add asynchronous partial read
Helge Deller (1):
block: skd: Use %pad printk format for dma_addr_t values
James Smart (1):
nvme: move init of keep_alive work item to controller initialization
Jens Axboe (6):
Merge branch 'nvme-4.19' of git://git.infradead.org/nvme into
for-4.19/block
t10-pi: provide empty t10_pi_complete() for !CONFIG_BLK_DEV_INTEGRITY
Merge tag 'v4.18-rc6' into for-4.19/block2
Merge branch 'nvme-4.19' of git://git.infradead.org/nvme into
for-4.19/block2
Merge branch 'nvme-4.19' of git://git.infradead.org/nvme into
for-4.19/block
null_blk: add lock drop/acquire annotation
Jianchao Wang (1):
blk-mq: count the hctx as active before allocating tag
Jinbum Park (1):
pktcdvd: Fix possible Spectre-v1 for pkt_devs
Josef Bacik (20):
block: add bi_blkg to the bio for cgroups
block: introduce bio_issue_as_root_blkg
blk-cgroup: allow controllers to output their own stats
blk: introduce REQ_SWAP
blkcg: add generic throttling mechanism
blk-stat: export helpers for modifying blk_rq_stat
blk-rq-qos: refactor out common elements of blk-wbt
block: remove external dependency on wbt_flags
rq-qos: introduce dio_bio callback
block: introduce blk-iolatency io controller
Documentation: add a doc for blk-iolatency
mm: skip readahead if the cgroup is congested
blk-iolatency: fix max_depth comparisons
blk-iolatency: don't change the latency window
blk-iolatency: truncate our current time
blk-rq-qos: make depth comparisons unsigned
block: don't account for split bio's size in cgroup stats
blk-iolatency: fix blkg leak in timer_fn
blk-cgroup: hold the queue ref during throttling
blk-cgroup: clear the throttle queue on fork
Juergen Gross (1):
xen/blkfront: remove unused macros
Kees Cook (7):
ide-cd: Drop unused sense buffers
scsi: cxlflash: Drop unused sense buffers
block: Switch struct packet_command to use struct scsi_sense_hdr
ide-cd: Remove redundant sense buffer
cdrom: Use struct scsi_sense_hdr internally
libata-scsi: Move sense buffers onto stack
scsi: Check sense buffer size at build time
Keith Busch (3):
nvme: use hw qid in trace events
nvme: add controller name to trace events
nvme: add disk name to trace events
Liu Bo (4):
Blktrace: bail out early if block debugfs is not configured
Block: blk-throttle: set low_valid immediately once one cgroup has io.low
configured
null_blk: remove NULLB_DEV_FL_CONFIGURED on turning off nullb device
Blk-throttle: reduce tail io latency when iops limit is enforced
Marcin Dziegielewski (1):
lightnvm: pblk: handle case when mw_cunits equals to 0
Markus Stockhausen (1):
readahead: stricter check for bdi io_pages
Matias Bjørling (8):
null_blk: move shared definitions to header file
null_blk: add zone support
lightnvm: move NVM_DEBUG to pblk
lightnvm: pblk: enable line minor version detection
lightnvm: pblk: fix read_bitmap for 32bit archs
lightnvm: limit get chunk meta request size
lightnvm: pblk: expose generic disk name on pr_* msgs
lightnvm: remove minor version check for 2.0
Mauricio Faria de Oliveira (2):
partitions/aix: fix usage of uninitialized lv_info and lvname structures
partitions/aix: append null character to print data from disk
Max Gurtovoy (5):
nvmet-rdma: add unlikely check in the fast path
nvmet-rdma: add an error flow for post_recv failures
block: move ref_tag calculation func to the block layer
block: move dif_prepare/dif_complete functions to block layer
nvme: use blk API to remap ref tags for IOs with metadata
Michael Callahan (4):
block: Add part_stat_read_accum to read across field entries.
block: Define and use STAT_READ and STAT_WRITE
block: Add and use op_stat_group() for indexing disk_stat fields.
block: Track DISCARD statistics and output them in stat and diskstat
Mike Snitzer (1):
block: allow max_discard_segments to be stacked
Mikulas Patocka (1):
block: fix infinite loop if the device loses discard capability
Ming Lei (12):
blk-mq: cleanup blk_mq_get_driver_tag()
blk-mq: don't pass **hctx to blk_mq_mark_tag_wait()
blk-mq: introduce new lock for protecting hctx->dispatch_wait
blk-mq: remove synchronize_rcu() from blk_mq_del_queue_tag_set()
blk-mq: avoid to synchronize rcu inside blk_cleanup_queue()
blk-mq: use list_splice_tail_init() to insert requests
blk-mq: only attempt to merge bio if there is rq in sw queue
blk-mq: dequeue request one by one from sw queue if hctx is busy
blk-mq: issue directly if hw queue isn't busy in case of 'none'
blk-mq: fail the request in case issue failure
block: really disable runtime-pm for blk-mq
blk-mq: fix updating tags depth
Minwoo Im (2):
blk-mq: code clean-up by adding an API to clear set->mq_map
blk-mq: fix typo in a function comment
Paolo Valente (4):
block, bfq: add/remove entity weights correctly
block, bfq: do not expire a queue that will deserve dispatch plugging
block, bfq: fix service being wrongly set to zero in case of preemption
block, bfq: give a better name to bfq_bfqq_may_idle
RAGHU Halharvi (1):
pktcdvd: remove assignment in if condition
Randy Dunlap (1):
block/DAC960.c: fix defined but not used build warnings
Revanth Rajashekar (1):
nvme.h: resync with nvme-cli
Sagi Grimberg (6):
nvme: cache struct nvme_ctrl reference to struct nvme_request
nvme-rdma: unquiesce queues when deleting the controller
nvme-rdma: centralize controller setup sequence
nvme-rdma: centralize admin/io queue teardown sequence
nvmet: fix file discard return status
nvmet: check fileio lba range access boundaries
Shakeel Butt (1):
block, mm: remove unnecessary __GFP_HIGH flag
Shenghui Wang (3):
bcache: free heap cache_set->flush_btree in bch_journal_free
bcache: make the pr_err statement used for ENOENT only in sysfs_attatch
section
bcache: trivial - remove tailing backslash in macro BTREE_FLAG
Steve Wise (2):
nvme-rdma: support up to 4 segments of inline data
nvmet-rdma: support max(16KB, PAGE_SIZE) inline data
Tal Shorer (1):
nvme-fabrics: fix ctrl_loss_tmo < 0 to reconnect forever
Tang Junhui (4):
bcache: simplify the calculation of the total amount of flash dirty data
bcache: finish incremental GC
bcache: calculate the number of incremental GC nodes according to the
total of btree nodes
bcache: fix I/O significant decline while backend devices registering
Tejun Heo (4):
swap,blkcg: issue swap io with the appropriate context
memcontrol: schedule throttling if we are congested
block: make bdev_ops->rw_page() take a REQ_OP instead of bool
blkcg: Track DISCARD statistics and output them in cgroup io.stat
Vladimir Zapolskiy (1):
block: remove blkdev_entry_to_request() macro
xiao jin (1):
block: blk_init_allocated_queue() set q->fq as NULL in the fail case
zhong jiang (4):
block/bsg-lib: use PTR_ERR_OR_ZERO to simplify the flow path
drivers/block/mtip32xx: remove the null check for debugfs_remove_recursive
drivers/block/aoe/aoedev: NULL check is not needed for mempool_destroy
drivers/block/drbd: remove the null check for kmem_cache_destroy
Documentation/ABI/testing/procfs-diskstats | 10 +
Documentation/admin-guide/cgroup-v2.rst | 92 ++-
Documentation/block/null_blk.txt | 7 +
Documentation/block/stat.txt | 28 +-
Documentation/iostats.txt | 15 +
block/Kconfig | 16 +
block/Makefile | 4 +-
block/bfq-iosched.c | 131 +++-
block/bfq-iosched.h | 7 +-
block/bfq-wf2q.c | 30 +-
block/bio-integrity.c | 22 -
block/bio.c | 208 +++---
block/blk-cgroup.c | 284 +++++++-
block/blk-core.c | 106 +--
block/blk-ioc.c | 2 +-
block/blk-iolatency.c | 955 ++++++++++++++++++++++++++
block/blk-lib.c | 10 +
block/blk-mq-debugfs-zoned.c | 24 +
block/blk-mq-debugfs.c | 24 +-
block/blk-mq-debugfs.h | 9 +
block/blk-mq-pci.c | 5 +-
block/blk-mq-sched.c | 112 +--
block/blk-mq-tag.c | 11 +-
block/blk-mq.c | 173 +++--
block/blk-mq.h | 13 +-
block/blk-rq-qos.c | 194 ++++++
block/blk-rq-qos.h | 109 +++
block/blk-settings.c | 6 +-
block/blk-stat.c | 16 +-
block/blk-stat.h | 4 +
block/blk-sysfs.c | 37 +-
block/blk-throttle.c | 32 +-
block/blk-wbt.c | 425 ++++++------
block/blk-wbt.h | 68 +-
block/blk-zoned.c | 2 +-
block/blk.h | 7 +
block/bounce.c | 69 +-
block/bsg-lib.c | 5 +-
block/bsg.c | 460 +------------
block/cfq-iosched.c | 23 +-
block/genhd.c | 29 +-
block/partition-generic.c | 25 +-
block/partitions/aix.c | 13 +-
block/partitions/ldm.c | 3 -
block/t10-pi.c | 110 +++
drivers/Makefile | 2 +-
drivers/ata/libata-scsi.c | 18 +-
drivers/block/DAC960.c | 9 +-
drivers/block/Kconfig | 2 +-
drivers/block/Makefile | 5 +-
drivers/block/aoe/aoecmd.c | 1 +
drivers/block/aoe/aoedev.c | 4 +-
drivers/block/brd.c | 14 +-
drivers/block/drbd/drbd_int.h | 2 -
drivers/block/drbd/drbd_main.c | 12 +-
drivers/block/drbd/drbd_receiver.c | 6 +-
drivers/block/drbd/drbd_req.c | 4 +-
drivers/block/drbd/drbd_worker.c | 4 +-
drivers/block/floppy.c | 3 -
drivers/block/loop.c | 3 +-
drivers/block/mtip32xx/mtip32xx.c | 3 +-
drivers/block/null_blk.h | 108 +++
drivers/block/{null_blk.c => null_blk_main.c} | 129 ++--
drivers/block/null_blk_zoned.c | 149 ++++
drivers/block/paride/bpck.c | 3 +-
drivers/block/paride/pd.c | 2 +
drivers/block/pktcdvd.c | 109 +--
drivers/block/rsxx/dev.c | 6 +-
drivers/block/skd_main.c | 16 +-
drivers/block/xen-blkfront.c | 9 +-
drivers/block/zram/zram_drv.c | 19 +-
drivers/cdrom/cdrom.c | 30 +-
drivers/ide/ide-cd.c | 58 +-
drivers/ide/ide-cd.h | 6 +-
drivers/ide/ide-cd_ioctl.c | 62 +-
drivers/infiniband/ulp/iser/iser_memory.c | 2 +-
drivers/lightnvm/Kconfig | 30 +-
drivers/lightnvm/pblk-cache.c | 9 +-
drivers/lightnvm/pblk-core.c | 78 ++-
drivers/lightnvm/pblk-gc.c | 34 +-
drivers/lightnvm/pblk-init.c | 98 +--
drivers/lightnvm/pblk-rb.c | 24 +-
drivers/lightnvm/pblk-read.c | 247 ++++---
drivers/lightnvm/pblk-recovery.c | 47 +-
drivers/lightnvm/pblk-sysfs.c | 13 +-
drivers/lightnvm/pblk-write.c | 35 +-
drivers/lightnvm/pblk.h | 48 +-
drivers/md/bcache/bcache.h | 24 +-
drivers/md/bcache/bset.c | 63 ++
drivers/md/bcache/btree.c | 63 +-
drivers/md/bcache/btree.h | 2 +-
drivers/md/bcache/closure.c | 13 +-
drivers/md/bcache/closure.h | 4 +-
drivers/md/bcache/debug.c | 17 +-
drivers/md/bcache/journal.c | 1 +
drivers/md/bcache/request.c | 75 +-
drivers/md/bcache/super.c | 59 +-
drivers/md/bcache/sysfs.c | 48 +-
drivers/md/bcache/util.c | 2 +-
drivers/md/bcache/util.h | 2 +-
drivers/md/bcache/writeback.c | 125 +++-
drivers/md/bcache/writeback.h | 19 -
drivers/md/dm.c | 6 +-
drivers/md/md.c | 12 +-
drivers/nvdimm/btt.c | 12 +-
drivers/nvdimm/nd.h | 7 +-
drivers/nvdimm/pmem.c | 13 +-
drivers/nvme/host/core.c | 108 ++-
drivers/nvme/host/fabrics.c | 2 +-
drivers/nvme/host/fc.c | 1 +
drivers/nvme/host/lightnvm.c | 27 +-
drivers/nvme/host/multipath.c | 349 +++++++++-
drivers/nvme/host/nvme.h | 78 ++-
drivers/nvme/host/pci.c | 77 +--
drivers/nvme/host/rdma.c | 234 +++----
drivers/nvme/host/trace.c | 11 +
drivers/nvme/host/trace.h | 142 ++--
drivers/nvme/target/admin-cmd.c | 221 +++++-
drivers/nvme/target/configfs.c | 250 +++++++
drivers/nvme/target/core.c | 104 ++-
drivers/nvme/target/discovery.c | 2 +-
drivers/nvme/target/io-cmd-bdev.c | 7 +
drivers/nvme/target/io-cmd-file.c | 80 ++-
drivers/nvme/target/loop.c | 1 +
drivers/nvme/target/nvmet.h | 62 +-
drivers/nvme/target/rdma.c | 197 ++++--
drivers/scsi/Makefile | 2 +-
drivers/scsi/cxlflash/superpipe.c | 8 +-
drivers/scsi/cxlflash/vlun.c | 7 +-
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 2 +-
drivers/scsi/scsi_lib.c | 6 +-
drivers/scsi/sd.c | 8 +-
drivers/scsi/sd.h | 9 -
drivers/scsi/sd_dif.c | 113 ---
drivers/scsi/sr_ioctl.c | 22 +-
drivers/scsi/virtio_scsi.c | 8 +-
drivers/target/Kconfig | 5 +-
drivers/target/loopback/Kconfig | 1 +
fs/block_dev.c | 6 +-
fs/exofs/ore.c | 4 +-
fs/ext4/super.c | 5 +-
fs/ext4/sysfs.c | 6 +-
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/super.c | 3 +-
fs/mpage.c | 4 +-
include/linux/bio.h | 19 +-
include/linux/blk-cgroup.h | 146 +++-
include/linux/blk-mq.h | 4 +-
include/linux/blk_types.h | 27 +-
include/linux/blkdev.h | 66 +-
include/linux/cdrom.h | 3 +-
include/linux/cgroup-defs.h | 3 +
include/linux/genhd.h | 14 +-
include/linux/memcontrol.h | 13 +
include/linux/nvme.h | 72 +-
include/linux/sched.h | 8 +
include/linux/swap.h | 11 +-
include/linux/t10-pi.h | 24 +
include/linux/tracehook.h | 2 +
include/scsi/scsi_cmnd.h | 13 +-
include/scsi/scsi_device.h | 14 +-
include/uapi/linux/bcache.h | 4 +-
include/uapi/linux/blkzoned.h | 2 +-
kernel/fork.c | 5 +
kernel/trace/blktrace.c | 6 +-
mm/huge_memory.c | 6 +-
mm/memcontrol.c | 13 +
mm/memory.c | 11 +-
mm/page_io.c | 3 +-
mm/readahead.c | 19 +-
mm/shmem.c | 10 +-
mm/swapfile.c | 31 +
172 files changed, 6029 insertions(+), 2659 deletions(-)
create mode 100644 block/blk-iolatency.c
create mode 100644 block/blk-mq-debugfs-zoned.c
create mode 100644 block/blk-rq-qos.c
create mode 100644 block/blk-rq-qos.h
create mode 100644 drivers/block/null_blk.h
rename drivers/block/{null_blk.c => null_blk_main.c} (95%)
create mode 100644 drivers/block/null_blk_zoned.c
--
Jens Axboe
