Jens Axboe 7dd2fb6877 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: 63581af3f3 ("blk-mq: remove non-blocking pass in blk_mq_map_request") Signed-off-by: Jens Axboe <axboe@fb.com>		2016-10-27 19:13:56 -06:00
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partitions	block: atari: Return early for unsupported sector size	2016-07-13 09:31:44 -07:00
badblocks.c	block, badblocks: introduce devm_init_badblocks	2016-01-09 08:39:04 -08:00
bio-integrity.c	block: rename bio bi_rw to bi_opf	2016-08-07 14:41:02 -06:00
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	block: Define zoned block device operations	2016-10-18 10:02:05 -06:00
blk-exec.c	block: Fix spelling in a source code comment	2016-07-20 21:28:22 -06:00
blk-flush.c	blk-mq: remove ->map_queue	2016-09-15 08:42:03 -06:00
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	mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd	2015-11-06 17:50:42 -08:00
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	block: simplify and export blk_rq_append_bio	2016-07-20 17:38:32 -06:00
blk-merge.c	block: make sure a big bio is split into at most 256 bvecs	2016-08-24 08:17:24 -06:00
blk-mq-cpumap.c	blk-mq: allow the driver to pass in a queue mapping	2016-09-15 08:42:03 -06:00
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-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 19:13:56 -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	block: update chunk_sectors in blk_stack_limits()	2016-10-18 10:02:04 -06:00
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-sysfs.c	blk-sysfs: Add 'chunk_sectors' to sysfs attributes	2016-10-18 10:02:02 -06:00
blk-tag.c	block: support different tag allocation policy	2015-01-23 14:15:46 -07:00
blk-throttle.c	blk-throttle: Extend slice if throttle group is not empty	2016-09-19 15:12:41 -06:00
blk-timeout.c	block: remove REQ_NO_TIMEOUT flag	2015-12-22 09:38:34 -07:00
blk-zoned.c	block: zoned: fix harmless maybe-uninitialized warning	2016-10-24 20:51:22 -06:00
blk.h	blk-mq: remove ->map_queue	2016-09-15 08:42:03 -06:00
bounce.c	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2015-09-19 18:57:09 -07:00
bsg-lib.c	bsg: Remove unused function bsg_goose_queue()	2012-12-06 14:33:02 +01:00
bsg.c	block: Simplify bsg complete all	2015-02-04 09:57:52 -07:00
cfq-iosched.c	cfq: fix starvation of asynchronous writes	2016-09-23 10:01:24 -06:00
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: do not merge requests without consulting with io scheduler	2016-07-20 21:35:12 -06:00
elevator.c	block: Fix secure erase	2016-08-16 09:16:51 -06:00
genhd.c	block: fix bdi vs gendisk lifetime mismatch	2016-08-04 14:19:16 -06:00
ioctl.c	blk-zoned: implement ioctls	2016-10-18 10:05:42 -06:00
ioprio.c	block: fix use-after-free in sys_ioprio_get()	2016-07-01 08:39:24 -06:00
Kconfig	block: Implement support for zoned block devices	2016-10-18 10:05:40 -06:00
Kconfig.iosched	blkcg: make CONFIG_BLK_CGROUP bool	2012-03-06 21:27:21 +01:00
Makefile	block: Implement support for zoned block devices	2016-10-18 10:05:40 -06:00
noop-iosched.c	elevator: use list_{first,prev,next}_entry	2015-11-16 15:21:48 -07:00
partition-generic.c	block/partition-generic.c: Remove a set-but-not-used variable	2016-06-14 09:09:15 -06:00
scsi_ioctl.c	mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM	2015-11-06 17:50:42 -08:00
t10-pi.c	block: Consolidate static integrity profile properties	2015-10-21 14:42:38 -06:00