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Jens Axboe 080ff35114 blk-mq: re-check for available tags after running the hardware queue 
If we run out of tags and have to sleep, we run the hardware queue
to kick pending IO into gear. During that run, we may have completed
requests, so re-check if we have free tags before going to sleep.

Signed-off-by: Jens Axboe <axboe@fb.com>
2014-12-08 08:49:06 -07:00
..
partitions block: Replace strnicmp with strncasecmp 2014-09-27 16:48:55 -06:00
bio-integrity.c bio-integrity: remove the needless fail handle of bip_slab creating 2014-10-13 15:09:38 -06:00
bio.c blk: introduce generic io stat accounting help function 2014-11-24 08:04:44 -07:00
blk-cgroup.c blkcg: remove blkcg->id 2014-09-08 09:55:37 -06:00
blk-cgroup.h blkcg: remove blkcg->id 2014-09-08 09:55:37 -06:00
blk-core.c Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block 2014-10-18 11:53:51 -07:00
blk-exec.c blk-mq: avoid infinite recursion with the FUA flag 2014-09-22 11:55:19 -06:00
blk-flush.c blk-mq: support per-distpatch_queue flush machinery 2014-09-25 15:22:45 -06:00
blk-integrity.c block: Don't merge requests if integrity flags differ 2014-09-27 09:14:57 -06:00
blk-ioc.c block: Substitute rcu_access_pointer() for rcu_dereference_raw() 2014-02-18 12:21:26 -08:00
blk-iopoll.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
blk-lib.c block/blk-lib.c: make __blkdev_issue_zeroout static 2014-05-26 17:39:09 -06:00
blk-map.c block: remove struct request buffer member 2014-04-15 14:03:02 -06:00
blk-merge.c blk-merge: don't compute bi_phys_segments from bi_vcnt for cloned bio 2014-10-09 13:11:44 -06:00
blk-mq-cpu.c blk-mq: add file comments and update copyright notices 2014-05-28 10:15:41 -06:00
blk-mq-cpumap.c blk-mq: use 'nr_cpu_ids' as highest CPU ID count for hwq <-> cpu map 2014-11-24 15:02:42 -07:00
blk-mq-sysfs.c blk-mq, percpu_ref: start q->mq_usage_counter in atomic mode 2014-09-24 13:37:21 -04:00
blk-mq-tag.c blk-mq: re-check for available tags after running the hardware queue 2014-12-08 08:49:06 -07:00
blk-mq-tag.h blk-mq: bitmap tag: fix races on shared ::wake_index fields 2014-06-17 22:12:35 -07:00
blk-mq.c blk-mq: move the kdump check to blk_mq_alloc_tag_set 2014-11-30 18:35:39 -07:00
blk-mq.h block: introduce blk_init_flush and its pair 2014-09-25 15:22:35 -06:00
blk-settings.c block: remove artifical max_hw_sectors cap 2014-10-21 14:02:54 -06:00
blk-softirq.c block: fix regression with block enabled tagging 2014-04-09 21:54:06 -06:00
blk-sysfs.c Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block 2014-10-18 11:53:51 -07:00
blk-tag.c block: don't assume last put of shared tags is for the host 2014-07-08 12:25:28 +02:00
blk-throttle.c cgroup: remove sane_behavior support on non-default hierarchies 2014-07-09 10:08:08 -04:00
blk-timeout.c block: fix blk_abort_request on blk-mq 2014-09-22 12:00:08 -06:00
blk.h blk-mq: support per-distpatch_queue flush machinery 2014-09-25 15:22:45 -06:00
bounce.c mm: convert some level-less printks to pr_* 2014-06-06 16:08:18 -07:00
bsg-lib.c
bsg.c bsg: fix potential error pointer dereference 2014-08-29 08:34:14 -06:00
cfq-iosched.c Merge branch 'for-linus' into for-3.18/core 2014-09-11 09:31:18 -06:00
cmdline-parser.c block: remove unrelated header files and export symbol 2014-01-21 20:18:26 -08:00
compat_ioctl.c block, bdi: an active gendisk always has a request_queue associated with it 2014-09-08 10:00:35 -06:00
deadline-iosched.c block: Stop abusing csd.list for fifo_time 2014-02-24 14:46:32 -08:00
elevator.c Revert "block: add __init to elv_register" 2014-06-22 16:34:11 -06:00
genhd.c genhd: check for int overflow in disk_expand_part_tbl() 2014-11-19 13:09:07 -07:00
ioctl.c block, bdi: an active gendisk always has a request_queue associated with it 2014-09-08 10:00:35 -06:00
ioprio.c block: move ioprio.c from fs/ to block/ 2014-05-19 11:02:18 -06:00
Kconfig block: Add T10 Protection Information functions 2014-09-27 09:14:59 -06:00
Kconfig.iosched
Makefile block: Add T10 Protection Information functions 2014-09-27 09:14:59 -06:00
noop-iosched.c elevator: Fix a race in elevator switching 2013-07-03 13:25:24 +02:00
partition-generic.c block: Fix dev_t minor allocation lifetime 2014-09-03 15:01:02 -06:00
scsi_ioctl.c Merge branch 'for-linus' into for-3.18/core 2014-09-11 09:31:18 -06:00
t10-pi.c block: Add T10 Protection Information functions 2014-09-27 09:14:59 -06:00