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Tejun Heo 5de0073fcd blk-iolatency: clear use_delay when io.latency is set to zero 
If use_delay was non-zero when the latency target of a cgroup was set
to zero, it will stay stuck until io.latency is enabled on the cgroup
again.  This keeps readahead disabled for the cgroup impacting
performance negatively.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Josef Bacik <jbacik@fb.com>
Fixes: d70675121546 ("block: introduce blk-iolatency io controller")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-06-15 10:39:36 -06:00
..
partitions
block/partitions/ldm: Convert a kernel-doc header into a non-kernel-doc header
2019-05-31 15:12:34 -06:00
badblocks.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
bfq-cgroup.c
cgroup/bfq: revert bfq.weight symlink change
2019-06-10 03:35:41 -06:00
bfq-iosched.c
block: switch all files cleared marked as GPLv2 or later to SPDX tags
2019-04-30 16:11:59 -06:00
bfq-iosched.h
block: switch all files cleared marked as GPLv2 or later to SPDX tags
2019-04-30 16:11:59 -06:00
bfq-wf2q.c
block: switch all files cleared marked as GPLv2 or later to SPDX tags
2019-04-30 16:11:59 -06:00
bio-integrity.c
block/bio-integrity: use struct_size() in kmalloc()
2019-05-16 08:48:48 -06:00
bio.c
block: bio: Use struct_size() in kmalloc()
2019-06-15 01:47:58 -06:00
blk-cgroup.c
block: Drop unlikely before IS_ERR(_OR_NULL)
2019-06-05 08:22:24 -06:00
blk-core.c
block: free sched's request pool in blk_cleanup_queue
2019-06-06 22:39:39 -06:00
blk-exec.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-flush.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
blk-integrity.c
for-5.2/block-20190507
2019-05-07 18:14:36 -07:00
blk-ioc.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-iolatency.c
blk-iolatency: clear use_delay when io.latency is set to zero
2019-06-15 10:39:36 -06:00
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
block: remove the bi_seg_{front,back}_size fields in struct bio
2019-05-23 10:25:26 -06:00
blk-mq-cpumap.c
blk-mq: Document the blk_mq_hw_queue_to_node() arguments
2019-05-31 15:12:34 -06:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
blk-mq/debugfs: Fix improper print qualifier
2019-06-15 01:38:59 -06:00
blk-mq-debugfs.h
blk-mq: no need to check return value of debugfs_create functions
2019-06-13 03:00:30 -06:00
blk-mq-pci.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-rdma.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-sched.c
blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
2019-06-13 03:05:58 -06:00
blk-mq-sched.h
block: free sched's request pool in blk_cleanup_queue
2019-06-06 22:39:39 -06:00
blk-mq-sysfs.c
for-5.2/block-20190507
2019-05-07 18:14:36 -07:00
blk-mq-tag.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
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
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq.c
blk-mq: Fix memory leak in error handling
2019-05-29 14:33:04 -06:00
blk-mq.h
blk-mq: free hw queue's resource in hctx's release handler
2019-05-04 07:24:05 -06:00
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
block: Fix rq_qos_wait() kernel-doc header
2019-05-31 15:12:34 -06:00
blk-rq-qos.h
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-settings.c
block: force an unlimited segment size on queues with a virt boundary
2019-05-23 10:25:26 -06:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
block: free sched's request pool in blk_cleanup_queue
2019-06-06 22:39:39 -06:00
blk-throttle.c
block: Fix throtl_pending_timer_fn() kernel-doc header
2019-05-31 15:12:34 -06:00
blk-timeout.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-wbt.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk-wbt.h
block: remove external dependency on wbt_flags
2018-07-09 09:07:54 -06:00
blk-zoned.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
blk.h
block: free sched's request pool in blk_cleanup_queue
2019-06-06 22:39:39 -06:00
bounce.c
block: remove the i argument to bio_for_each_segment_all
2019-04-30 09:26:13 -06:00
bsg-lib.c
block: Fix bsg_setup_queue() kernel-doc header
2019-05-31 15:12:34 -06:00
bsg.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
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: free sched's request pool in blk_cleanup_queue
2019-06-06 22:39:39 -06:00
genhd.c
block: genhd: Use struct_size() helper
2019-06-15 01:46:09 -06:00
ioctl.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
ioprio.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
Kconfig
block: force select mq-deadline for zoned block devices
2019-06-13 03:00:31 -06:00
Kconfig.iosched
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
kyber-iosched.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
Makefile
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
mq-deadline.c
block: add SPDX tags to block layer files missing licensing information
2019-04-30 16:12:03 -06:00
opal_proto.h
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
partition-generic.c
block: fix use-after-free on gendisk
2019-04-22 09:48:12 -06:00
scsi_ioctl.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
sed-opal.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00
t10-pi.c
block: switch all files cleared marked as GPLv2 to SPDX tags
2019-04-30 16:11:57 -06:00