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linux/block
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Jens Axboe bccb5f7c8b blk-mq: fix potential stall during CPU unplug with IO pending 
When a CPU is unplugged, we move the blk_mq_ctx request entries
to the current queue. The current code forgets to remap the
blk_mq_hw_ctx before marking the software context pending,
which breaks if old-cpu and new-cpu don't map to the same
hardware queue.

Additionally, if we mark entries as pending in the new
hardware queue, then make sure we schedule it for running.
Otherwise request could be sitting there until someone else
queues IO for that hardware queue.

Signed-off-by: Jens Axboe <axboe@fb.com>
2014-04-07 08:17:18 -06:00
..
partitions block: Use macros from compiler.h instead of __attribute__((...)) 2014-02-18 12:20:01 -08:00
blk-cgroup.c Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2014-04-03 13:05:42 -07:00
blk-cgroup.h Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2014-04-03 13:05:42 -07:00
blk-core.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-04-02 16:23:38 -07:00
blk-exec.c blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-flush.c blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-integrity.c bio-integrity: Convert to bvec_iter 2013-11-23 22:33:50 -08:00
blk-ioc.c block: Substitute rcu_access_pointer() for rcu_dereference_raw() 2014-02-18 12:21:26 -08:00
blk-iopoll.c block: remove old blk_iopoll_enabled variable 2014-03-13 09:38:42 -06:00
blk-lib.c block: add cond_resched() to potentially long running ioctl discard loop 2014-02-12 09:36:37 -07:00
blk-map.c Merge branch 'master' into for-next 2014-02-20 14:54:28 +01:00
blk-merge.c block: Explicitly handle discard/write same segments 2014-02-07 13:54:08 -07:00
blk-mq-cpu.c rt,blk,mq: Make blk_mq_cpu_notify_lock a raw spinlock 2014-03-21 08:57:56 -06:00
blk-mq-cpumap.c blk-mq: don't dump CPU -> hw queue map on driver load 2014-03-20 13:31:44 -06:00
blk-mq-sysfs.c blk-mq: don't dump CPU -> hw queue map on driver load 2014-03-20 13:31:44 -06:00
blk-mq-tag.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2014-02-14 10:45:18 -08:00
blk-mq-tag.h blk-mq: new multi-queue block IO queueing mechanism 2013-10-25 11:56:00 +01:00
blk-mq.c blk-mq: fix potential stall during CPU unplug with IO pending 2014-04-07 08:17:18 -06:00
blk-mq.h blk-mq: merge blk_mq_insert_request and blk_mq_run_request 2014-03-21 08:57:37 -06:00
blk-settings.c bcache/md: Use raid stripe size 2014-01-08 13:05:09 -08:00
blk-softirq.c smp: Rename __smp_call_function_single() to smp_call_function_single_async() 2014-02-24 14:47:15 -08:00
blk-sysfs.c blk-mq: rework flush sequencing logic 2014-02-10 09:29:00 -07:00
blk-tag.c
blk-throttle.c cgroup: drop const from @buffer of cftype->write_string() 2014-03-19 10:23:54 -04:00
blk-timeout.c blk-mq: rework I/O completions 2014-02-10 09:27:31 -07:00
blk.h block: __elv_next_request() shouldn't call into the elevator if bypassing 2014-01-30 12:57:25 -07:00
bsg-lib.c
bsg.c
cfq-iosched.c Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2014-04-03 13:05:42 -07:00
cmdline-parser.c block: remove unrelated header files and export symbol 2014-01-21 20:18:26 -08:00
compat_ioctl.c kernel-wide: fix missing validations on __get/__put/__copy_to/__copy_from_user() 2013-09-11 15:58:18 -07:00
deadline-iosched.c block: Stop abusing csd.list for fifo_time 2014-02-24 14:46:32 -08:00
elevator.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
genhd.c
ioctl.c block: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO 2013-11-08 09:05:31 -07:00
Kconfig block: change config option name for cmdline partition parsing 2013-09-30 14:31:02 -07:00
Kconfig.iosched
Makefile blk-mq: new multi-queue block IO queueing mechanism 2013-10-25 11:56:00 +01:00
noop-iosched.c
partition-generic.c
scsi_ioctl.c block: Fix memory leak in rw_copy_check_uvector() handling 2014-01-21 20:36:17 -08:00