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Jens Axboe ea4f995ee8 blk-mq: cache request hardware queue mapping 
We call blk_mq_map_queue() a lot, at least two times for each
request per IO, sometimes more. Since we now have an indirect
call as well in that function. cache the mapping so we don't
have to re-call blk_mq_map_queue() for the same request
multiple times.

Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-07 13:44:59 -07:00
..
partitions partitions/aix: append null character to print data from disk 2018-07-27 09:17:41 -06:00
badblocks.c badblocks: fix wrong return value in badblocks_set if badblocks are disabled 2017-11-03 11:29:50 -07:00
bfq-cgroup.c blkcg: revert blkcg cleanups series 2018-11-01 19:59:53 -06:00
bfq-iosched.c block: get rid of MQ scheduler ops union 2018-11-07 13:42:32 -07:00
bfq-iosched.h block, bfq: improve asymmetric scenarios detection 2018-10-13 15:40:00 -06:00
bfq-wf2q.c block, bfq: fix asymmetric scenarios detection 2018-10-25 11:17:40 -06:00
bio-integrity.c block: remove bio_rewind_iter() 2018-09-06 15:12:24 -06:00
bio.c for-linus-20181102 2018-11-02 11:25:48 -07:00
blk-cgroup.c block: remove request_list code 2018-11-07 13:42:33 -07:00
blk-core.c block: kill request ->cpu member 2018-11-07 13:42:33 -07:00
blk-exec.c block: remove dead elevator code 2018-11-07 13:42:32 -07:00
blk-flush.c blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-integrity.c block: merge BIOVEC_SEG_BOUNDARY into biovec_phys_mergeable 2018-09-24 12:33:57 -06:00
blk-ioc.c block: get rid of MQ scheduler ops union 2018-11-07 13:42:32 -07:00
blk-iolatency.c for-linus-20181102 2018-11-02 11:25:48 -07:00
blk-lib.c block: Improve zone reset execution 2018-10-25 11:17:40 -06:00
blk-map.c Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block 2018-01-29 11:51:49 -08:00
blk-merge.c block: kill request ->cpu member 2018-11-07 13:42:33 -07:00
blk-mq-cpumap.c blk-mq: abstract out queue map 2018-11-07 13:44:59 -07:00
blk-mq-debugfs-zoned.c block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n 2018-07-09 09:07:52 -06:00
blk-mq-debugfs.c blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-mq-debugfs.h block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n 2018-07-09 09:07:52 -06:00
blk-mq-pci.c blk-mq: abstract out queue map 2018-11-07 13:44:59 -07:00
blk-mq-rdma.c blk-mq: abstract out queue map 2018-11-07 13:44:59 -07:00
blk-mq-sched.c blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-mq-sched.h block: get rid of MQ scheduler ops union 2018-11-07 13:42:32 -07:00
blk-mq-sysfs.c blk-mq: add 'type' attribute to the sysfs hctx directory 2018-11-07 13:44:59 -07:00
blk-mq-tag.c blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-mq-tag.h Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block 2017-11-14 15:32:19 -08:00
blk-mq-virtio.c blk-mq: abstract out queue map 2018-11-07 13:44:59 -07:00
blk-mq.c blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-mq.h blk-mq: cache request hardware queue mapping 2018-11-07 13:44:59 -07:00
blk-pm.c blk-mq: Enable support for runtime power management 2018-09-26 15:11:29 -06:00
blk-pm.h block: Split blk_pm_add_request() and blk_pm_put_request() 2018-09-26 15:11:28 -06:00
blk-rq-qos.c blk-rq-qos: make depth comparisons unsigned 2018-07-22 11:30:53 -06:00
blk-rq-qos.h blk-rq-qos: make depth comparisons unsigned 2018-07-22 11:30:53 -06:00
blk-settings.c block: get rid of q->softirq_done_fn() 2018-11-07 13:42:33 -07:00
blk-softirq.c block: kill request ->cpu member 2018-11-07 13:42:33 -07:00
blk-stat.c block: export blk_stat_enable_accounting() 2018-09-27 17:34:54 -06:00
blk-stat.h blk-stat: export helpers for modifying blk_rq_stat 2018-07-09 09:07:54 -06:00
blk-sysfs.c block: remove dead elevator code 2018-11-07 13:42:32 -07:00
blk-throttle.c blkcg: revert blkcg cleanups series 2018-11-01 19:59:53 -06:00
blk-timeout.c block: kill legacy parts of timeout handling 2018-11-07 13:42:33 -07:00
blk-wbt.c blk-wbt: kill check for legacy queue type 2018-11-07 13:42:32 -07:00
blk-wbt.h block: remove external dependency on wbt_flags 2018-07-09 09:07:54 -06:00
blk-zoned.c block: Introduce blk_revalidate_disk_zones() 2018-10-25 11:17:40 -06:00
blk.h blk-mq: pass in request/bio flags to queue mapping 2018-11-07 13:44:59 -07:00
bounce.c for-linus-20181102 2018-11-02 11:25:48 -07:00
bsg-lib.c bsg: move bsg-lib parts outside of request queue 2018-11-07 13:42:33 -07:00
bsg.c block: bsg: move atomic_t ref_count variable to refcount API 2018-08-27 19:17:02 -06:00
cmdline-parser.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_ioctl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
elevator.c block: get rid of MQ scheduler ops union 2018-11-07 13:42:32 -07:00
genhd.c This is the 4.19-rc6 release 2018-10-01 08:58:57 -06:00
ioctl.c block: Introduce BLKGETNRZONES ioctl 2018-10-25 11:17:40 -06:00
ioprio.c block: add ioprio_check_cap function 2018-05-31 10:50:54 -04:00
Kconfig blk-wbt: kill check for legacy queue type 2018-11-07 13:42:32 -07:00
Kconfig.iosched block: remove legacy IO schedulers 2018-11-07 13:42:32 -07:00
kyber-iosched.c blk-mq: allow software queue to map to multiple hardware queues 2018-11-07 13:44:59 -07:00
Makefile block: remove legacy IO schedulers 2018-11-07 13:42:32 -07:00
mq-deadline.c block: get rid of MQ scheduler ops union 2018-11-07 13:42:32 -07:00
opal_proto.h block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled 2017-09-11 09:45:52 -06:00
partition-generic.c block: use nanosecond resolution for iostat 2018-09-21 20:26:59 -06:00
scsi_ioctl.c block: consistently use GFP_NOIO instead of __GFP_NORECLAIM 2018-05-14 08:55:18 -06:00
sed-opal.c block: sed-opal: Fix a couple off by one bugs 2018-06-20 12:04:06 -06:00
t10-pi.c block: move dif_prepare/dif_complete functions to block layer 2018-07-30 08:27:02 -06:00