Jens Axboe 88c7b2b751 blk-mq: prefetch request in blk_mq_tag_to_rq() ...

When drivers or the core calls this function, they usually
dereference the request shortly there after. Prefetch the first
cache line.

Profiling IO workloads shows that this is the most common cache
miss on the block side of things.

Signed-off-by: Jens Axboe <axboe@fb.com>

2016-08-29 08:13:21 -06:00

..

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: Fix secure erase

2016-08-16 09:16:51 -06:00

blk-cgroup.c

block/blk-cgroup.c: Declare local symbols static

2016-06-14 09:09:33 -06:00

blk-core.c

blk-mq: turn hctx->run_work into a regular work struct

2016-08-29 08:13:21 -06:00

blk-exec.c

block: Fix spelling in a source code comment

2016-07-20 21:28:22 -06:00

blk-flush.c

block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH

2016-06-07 13:41:38 -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

Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block

2016-07-26 15:37:51 -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-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: Avoid memoryless numa node encoded in hctx numa_node

2015-12-03 09:56:27 -07:00

blk-mq-sysfs.c

blk-mq: fix deadlock in blk_mq_register_disk() error path

2016-08-04 14:19:16 -06:00

blk-mq-tag.c

blk-mq: Introduce blk_mq_reinit_tagset

2016-07-08 08:38:49 -06:00

blk-mq-tag.h

blk-mq: factor out a helper to iterate all tags for a request_queue

2015-10-01 10:10:57 +02:00

blk-mq.c

blk-mq: prefetch request in blk_mq_tag_to_rq()

2016-08-29 08:13:21 -06:00

blk-mq.h

blk-mq: dynamic h/w context count

2016-02-09 12:42:17 -07:00

blk-settings.c

block: kill off q->flush_flags

2016-04-13 13:33:19 -06:00

blk-softirq.c

block: fix regression with block enabled tagging

2014-04-09 21:54:06 -06:00

blk-sysfs.c

block: expose QUEUE_FLAG_DAX in sysfs

2016-07-20 21:01:08 -06:00

blk-tag.c

block: support different tag allocation policy

2015-01-23 14:15:46 -07:00

blk-throttle.c

block: rename bio bi_rw to bi_opf

2016-08-07 14:41:02 -06:00

blk-timeout.c

block: remove REQ_NO_TIMEOUT flag

2015-12-22 09:38:34 -07:00

blk.h

block: simplify and export blk_rq_append_bio

2016-07-20 17:38:32 -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

block: rename bio bi_rw to bi_opf

2016-08-07 14:41:02 -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

DAX error handling for 4.7

2016-05-26 19:34:26 -07:00

ioprio.c

block: fix use-after-free in sys_ioprio_get()

2016-07-01 08:39:24 -06:00

Kconfig

block: remove BLK_DEV_DAX config option

2016-08-04 08:50:07 -04:00

Kconfig.iosched

blkcg: make CONFIG_BLK_CGROUP bool

2012-03-06 21:27:21 +01:00

Makefile

Initial roundup of 4.5 merge window patches

2016-01-23 18:45:06 -08:00

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