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Jeff Moyer 40405851af block: clarify documentation for blk_{start|finish}_plug 
There was some confusion about what these functions did.  Make it clear
that this is a hint for upper layers to pass to the block layer, and
that it does not guarantee that I/O will not be submitted between a
start and finish plug.

Reported-by: "Darrick J. Wong" <darrick.wong@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-08 20:49:46 -07:00
..
partitions
partitions/aix: append null character to print data from disk
2018-07-27 09:17:41 -06:00
badblocks.c
badblocks: fix wrong return value in badblocks_set if badblocks are disabled
2017-11-03 11:29:50 -07:00
bfq-cgroup.c
blkcg: fix ref count issue with bio_blkcg() using task_css
2018-12-07 22:26:36 -07:00
bfq-iosched.c
Linux 4.20-rc6
2018-12-09 17:45:40 -07:00
bfq-iosched.h
block, bfq: fix decrement of num_active_groups
2018-12-07 07:40:07 -07:00
bfq-wf2q.c
block, bfq: fix decrement of num_active_groups
2018-12-07 07:40:07 -07:00
bio-integrity.c
block: remove the bio_integrity_advance export
2018-12-16 08:33:57 -07:00
bio.c
for-4.21/block-20190102
2019-01-02 18:49:58 -08:00
blk-cgroup.c
blkcg: remove unused __blkg_release_rcu()
2018-12-21 08:47:58 -07:00
blk-core.c
block: clarify documentation for blk_{start|finish}_plug
2019-01-08 20:49:46 -07:00
blk-exec.c
block: remove dead elevator code
2018-11-07 13:42:32 -07:00
blk-flush.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
blk-integrity.c
block: merge BIOVEC_SEG_BOUNDARY into biovec_phys_mergeable
2018-09-24 12:33:57 -06:00
blk-ioc.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-iolatency.c
block: fix blk-iolatency accounting underflow
2018-12-17 11:19:54 -07:00
blk-lib.c
block: fix 32 bit overflow in __blkdev_issue_discard()
2018-11-14 08:17:18 -07:00
blk-map.c
Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block
2018-01-29 11:51:49 -08:00
blk-merge.c
SCSI misc on 20181224
2018-12-28 14:48:06 -08:00
blk-mq-cpumap.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-debugfs-zoned.c
block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n
2018-07-09 09:07:52 -06:00
blk-mq-debugfs.c
blk-mq: fix dispatch from sw queue
2018-12-17 11:19:54 -07:00
blk-mq-debugfs.h
blk-mq-debugfs: support rq_qos
2018-12-16 19:53:47 -07:00
blk-mq-pci.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-rdma.c
blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queues
2018-12-13 09:59:08 +01:00
blk-mq-sched.c
blk-mq: fix dispatch from sw queue
2018-12-17 11:19:54 -07:00
blk-mq-sched.h
block: mq-deadline: Fix write completion handling
2018-12-17 11:19:39 -07:00
blk-mq-sysfs.c
blk-mq: export hctx->type in debugfs instead of sysfs
2018-12-17 05:44:45 -07:00
blk-mq-tag.c
sbitmap: optimize wakeup check
2018-11-30 14:48:04 -07:00
blk-mq-tag.h
Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block
2017-11-14 15:32:19 -08:00
blk-mq-virtio.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq.c
block: make request_to_qc_t public
2018-12-18 17:50:47 +01:00
blk-mq.h
blk-mq: fix dispatch from sw queue
2018-12-17 11:19:54 -07:00
blk-pm.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-pm.h
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-rq-qos.c
blk-mq-debugfs: support rq_qos
2018-12-16 19:53:47 -07:00
blk-rq-qos.h
block: fix blk-iolatency accounting underflow
2018-12-17 11:19:54 -07:00
blk-settings.c
SCSI misc on 20181224
2018-12-28 14:48:06 -08:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
SCSI misc on 20181224
2018-12-28 14:48:06 -08:00
blk-throttle.c
blkcg: consolidate bio_issue_init() to be a part of core
2018-12-07 22:26:37 -07:00
blk-timeout.c
block: don't hold the queue_lock over blk_abort_request
2018-11-15 12:13:18 -07:00
blk-wbt.c
blk-wbt: export internal state via debugfs
2018-12-16 19:53:49 -07:00
blk-wbt.h
block: remove external dependency on wbt_flags
2018-07-09 09:07:54 -06:00
blk-zoned.c
for-4.21/block-20181221
2018-12-28 13:19:59 -08:00
blk.h
block: sum requests in the plug structure
2018-11-26 10:35:22 -07:00
bounce.c
blkcg: remove bio->bi_css and instead use bio->bi_blkg
2018-12-07 22:26:37 -07:00
bsg-lib.c
bsg: move bsg-lib parts outside of request queue
2018-11-07 13:42:33 -07:00
bsg.c
bsg: deprecate BIDI support in bsg
2018-12-21 08:47:58 -07:00
cmdline-parser.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat_ioctl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
elevator.c
block: add queue_is_mq() helper
2018-11-16 08:34:06 -07:00
genhd.c
block: return just one value from part_in_flight
2018-12-10 08:30:38 -07:00
ioctl.c
block: Introduce BLKGETNRZONES ioctl
2018-10-25 11:17:40 -06:00
ioprio.c
block: add ioprio_check_cap function
2018-05-31 10:50:54 -04:00
Kconfig
Kconfig updates for v4.21
2018-12-29 13:03:29 -08:00
Kconfig.iosched
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
kyber-iosched.c
kyber: use sbitmap add_wait_queue/list_del wait helpers
2018-12-20 12:17:21 -07:00
Makefile
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
mq-deadline.c
block: mq-deadline: Fix write completion handling
2018-12-17 11:19:39 -07:00
opal_proto.h
block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled
2017-09-11 09:45:52 -06:00
partition-generic.c
block: return just one value from part_in_flight
2018-12-10 08:30:38 -07:00
scsi_ioctl.c
block: consistently use GFP_NOIO instead of __GFP_NORECLAIM
2018-05-14 08:55:18 -06:00
sed-opal.c
block: sed-opal: Fix a couple off by one bugs
2018-06-20 12:04:06 -06:00
t10-pi.c
block: move dif_prepare/dif_complete functions to block layer
2018-07-30 08:27:02 -06:00