Jens Axboe 7fe311302f blk-mq: update hardware and software queues for sleeping alloc ...

If we end up sleeping due to running out of requests, we should
update the hardware and software queues in the map ctx structure.
Otherwise we could end up having rq->mq_ctx point to the pre-sleep
context, and risk corrupting ctx->rq_list since we'll be
grabbing the wrong lock when inserting the request.

Reported-by: Dave Jones <davej@codemonkey.org.uk>
Reported-by: Chris Mason <clm@fb.com>
Tested-by: Chris Mason <clm@fb.com>
Fixes: 63581af3f31e ("blk-mq: remove non-blocking pass in blk_mq_map_request")
Signed-off-by: Jens Axboe <axboe@fb.com>

2016-10-27 09:56:03 -06:00

..

partitions

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badblocks.c

badblocks: badblocks_set/clear update unacked_exist

2016-10-21 15:45:47 -06:00

bio-integrity.c

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bio.c

block: export bio_free_pages to other modules

2016-09-22 07:48:03 -06:00

blk-cgroup.c

blkcg: Unlock blkcg_pol_mutex only once when cpd == NULL

2016-09-30 10:31:20 +02:00

blk-core.c

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blk-exec.c

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blk-flush.c

block: flush: fix IO hang in case of flood fua req

2016-10-26 07:49:27 -06:00

blk-integrity.c

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blk-ioc.c

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blk-lib.c

block: require write_same and discard requests align to logical block size

2016-10-11 15:06:30 -07:00

blk-map.c

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blk-merge.c

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blk-mq-cpumap.c

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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-sysfs.c

blk-mq: register device instead of disk

2016-09-21 07:56:16 -06:00

blk-mq-tag.c

Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block

2016-10-09 17:29:33 -07:00

blk-mq-tag.h

Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block

2016-10-09 17:29:33 -07:00

blk-mq.c

blk-mq: update hardware and software queues for sleeping alloc

2016-10-27 09:56:03 -06:00

blk-mq.h

Merge branch 'for-4.9/block-smp' of git://git.kernel.dk/linux-block

2016-10-09 17:32:20 -07:00

blk-settings.c

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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-sysfs.c

blk-mq: register device instead of disk

2016-09-21 07:56:16 -06:00

blk-tag.c

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blk-throttle.c

blk-throttle: Extend slice if throttle group is not empty

2016-09-19 15:12:41 -06:00

blk-timeout.c

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blk.h

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bounce.c

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bsg-lib.c

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bsg.c

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cfq-iosched.c

cfq: fix starvation of asynchronous writes

2016-09-23 10:01:24 -06:00

cmdline-parser.c

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compat_ioctl.c

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deadline-iosched.c

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elevator.c

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genhd.c

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ioctl.c

block: invalidate the page cache when issuing BLKZEROOUT

2016-10-11 15:06:30 -07:00

ioprio.c

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Kconfig

Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block

2016-10-09 17:29:33 -07:00

Kconfig.iosched

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Makefile

Merge branch 'for-4.9/block-smp' of git://git.kernel.dk/linux-block

2016-10-09 17:32:20 -07:00

noop-iosched.c

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partition-generic.c

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scsi_ioctl.c

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t10-pi.c

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