Jens Axboe 50e1dab86a blk-mq-sched: fix starvation for multiple hardware queues and shared tags ...

If we have both multiple hardware queues and shared tag map between
devices, we need to ensure that we propagate the hardware queue
restart bit higher up. This is because we can get into a situation
where we don't have any IO pending on a hardware queue, yet we fail
getting a tag to start new IO. If that happens, it's not enough to
mark the hardware queue as needing a restart, we need to bubble
that up to the higher level queue as well.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Tested-by: Hannes Reinecke <hare@suse.com>

2017-01-27 08:20:34 -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-debugfs.c

blk-mq: move hctx and ctx counters from sysfs to debugfs

2017-01-27 08:17:44 -07:00

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: fix starvation for multiple hardware queues and shared tags

2017-01-27 08:20:34 -07:00

blk-mq-sched.h

blk-mq-sched: fix starvation for multiple hardware queues and shared tags

2017-01-27 08:20:34 -07:00

blk-mq-sysfs.c

blk-mq: move hctx and ctx counters from sysfs to debugfs

2017-01-27 08:17:44 -07:00

blk-mq-tag.c

blk-mq: move tags and sched_tags info from sysfs to debugfs

2017-01-27 08:17:44 -07:00

blk-mq-tag.h

blk-mq: move tags and sched_tags info from sysfs to debugfs

2017-01-27 08:17:44 -07:00

blk-mq.c

blk-mq-sched: fix starvation for multiple hardware queues and shared tags

2017-01-27 08:20:34 -07:00

blk-mq.h

blk-mq-sched: fix starvation for multiple hardware queues and shared tags

2017-01-27 08:20:34 -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

blk-throttle: Adjust two function calls together with a variable assignment

2017-01-23 08:32:15 -07:00

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

cfq-iosched: Adjust one function call together with a variable assignment

2017-01-23 08:32:18 -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

elevator: fix unnecessary put of elevator in failure case

2017-01-19 07:43:05 -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

blk-mq: create debugfs directory tree

2017-01-27 08:17:44 -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