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Jens Axboe 38dbb7dd4d blk-cgroup: don't quiesce the queue on policy activate/deactivate 
There's no potential harm in quiescing the queue, but it also doesn't
buy us anything. And we can't run the queue async for policy
deactivate, since we could be in the path of tearing the queue down.
If we schedule an async run of the queue at that time, we're racing
with queue teardown AFTER having we've already torn most of it down.

Reported-by: Omar Sandoval <osandov@fb.com>
Fixes: 4d199c6f1c84 ("blk-cgroup: ensure that we clear the stop bit on quiesced queues")
Tested-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-01-18 15:37:27 -07:00
..
partitions
partitions/efi: Fix integer overflow in GPT size calculation
2017-01-17 09:02:31 -07:00
badblocks.c
badblocks: badblocks_set/clear update unacked_exist
2016-10-21 15:45:47 -06:00
bio-integrity.c
block: remove bio_is_rw
2016-10-28 08:45:17 -06:00
bio.c
block: improve handling of the magic discard payload
2016-12-09 08:30:51 -07:00
blk-cgroup.c
blk-cgroup: don't quiesce the queue on policy activate/deactivate
2017-01-18 15:37:27 -07:00
blk-core.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-exec.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-flush.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-integrity.c
block, libnvdimm, nvme: provide a built-in blk_integrity nop profile
2015-10-21 14:43:45 -06:00
blk-ioc.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-lib.c
block: improve handling of the magic discard payload
2016-12-09 08:30:51 -07:00
blk-map.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
blk-merge.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-mq-cpumap.c
blk-mq: export blk_mq_map_queues
2016-11-08 17:30:00 -05:00
blk-mq-pci.c
blk_mq: linux/blk-mq.h does not include all the headers it depends on
2016-09-19 08:21:51 -06:00
blk-mq-sched.c
blk-mq-sched: allow setting of default IO scheduler
2017-01-17 10:04:31 -07:00
blk-mq-sched.h
blk-mq-sched: allow setting of default IO scheduler
2017-01-17 10:04:31 -07:00
blk-mq-sysfs.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-mq-tag.c
blk-mq: split tag ->rqs[] into two
2017-01-17 10:04:15 -07:00
blk-mq-tag.h
blk-mq: split tag ->rqs[] into two
2017-01-17 10:04:15 -07:00
blk-mq.c
blk-mq-sched: allow setting of default IO scheduler
2017-01-17 10:04:31 -07:00
blk-mq.h
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-settings.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
blk-softirq.c
This adds a new gcc plugin named "latent_entropy". It is designed to
2016-10-15 10:03:15 -07:00
blk-stat.c
blk-stat: fix a few cases of missing batch flushing
2016-12-09 13:08:35 -07:00
blk-stat.h
block: add scalable completion tracking of requests
2016-11-10 13:53:26 -07:00
blk-sysfs.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
blk-tag.c
blk-mq-sched: add framework for MQ capable IO schedulers
2017-01-17 10:04:20 -07:00
blk-throttle.c
block: replace REQ_THROTTLED with a bio flag
2016-10-28 08:45:17 -06:00
blk-timeout.c
block: remove REQ_NO_TIMEOUT flag
2015-12-22 09:38:34 -07:00
blk-wbt.c
block: Avoid that sparse complains about context imbalance in __wbt_wait()
2017-01-02 09:48:47 -07:00
blk-wbt.h
blk-wbt: allow wbt to be enabled always through sysfs
2016-11-28 10:27:03 -07:00
blk-zoned.c
block: zoned: fix harmless maybe-uninitialized warning
2016-10-24 20:51:22 -06:00
blk.h
block: move rq_ioc() to blk.h
2017-01-17 10:03:42 -07:00
bounce.c
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
2015-09-19 18:57:09 -07:00
bsg-lib.c
SCSI misc on 20161213
2016-12-14 10:49:33 -08:00
bsg.c
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
2016-12-22 23:03:42 -05:00
cfq-iosched.c
block: move existing elevator ops to union
2017-01-17 10:03:33 -07:00
cmdline-parser.c
block: remove unrelated header files and export symbol
2014-01-21 20:18:26 -08:00
compat_ioctl.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
deadline-iosched.c
block: move existing elevator ops to union
2017-01-17 10:03:33 -07:00
elevator.c
blk-mq-sched: allow setting of default IO scheduler
2017-01-17 10:04:31 -07:00
genhd.c
block: fix bdi vs gendisk lifetime mismatch
2016-08-04 14:19:16 -06:00
ioctl.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ioprio.c
block: fix use-after-free in sys_ioprio_get()
2016-07-01 08:39:24 -06:00
Kconfig
block: hook up writeback throttling
2016-11-10 13:53:40 -07:00
Kconfig.iosched
blk-mq-sched: allow setting of default IO scheduler
2017-01-17 10:04:31 -07:00
Makefile
mq-deadline: add blk-mq adaptation of the deadline IO scheduler
2017-01-17 10:04:25 -07:00
mq-deadline.c
mq-deadline: add blk-mq adaptation of the deadline IO scheduler
2017-01-17 10:04:25 -07:00
noop-iosched.c
block: move existing elevator ops to union
2017-01-17 10:03:33 -07:00
partition-generic.c
block: Check partition alignment on zoned block devices
2016-12-01 07:56:53 -07:00
scsi_ioctl.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
t10-pi.c
block: Consolidate static integrity profile properties
2015-10-21 14:42:38 -06:00