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Yufen Yu ff3b74b8e1 blk-mq: add trace block plug and unplug for multiple queues 
For now, we just trace plug for single queue device or drivers
provide .commit_rqs, and have not trace plug for multiple queues
device. But, unplug events will be recorded when call
blk_mq_flush_plug_list(). Then, trace events will be asymmetrical,
just have unplug and without plug.

This patch add trace plug and unplug for multiple queues device in
blk_mq_make_request(). After that, we can accurately trace plug and
unplug for multiple queues.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-04-02 08:57:05 -06:00
..
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: fix ref count issue with bio_blkcg() using task_css
2018-12-07 22:26:36 -07:00
bfq-iosched.c
block/bfq: fix ifdef for CONFIG_BFQ_GROUP_IOSCHED=y
2019-04-01 06:56:15 -06:00
bfq-iosched.h
block, bfq: fix in-service-queue check for queue merging
2019-01-31 12:50:24 -07:00
bfq-wf2q.c
block/bfq: fix ifdef for CONFIG_BFQ_GROUP_IOSCHED=y
2019-04-01 06:56:15 -06:00
bio-integrity.c
block: remove the bio_integrity_advance export
2018-12-16 08:33:57 -07:00
bio.c
block: add BIO_NO_PAGE_REF flag
2019-03-18 10:44:48 -06:00
blk-cgroup.c
blkcg: Fix kernel-doc warnings
2019-03-20 14:39:09 -06:00
blk-core.c
mm: refactor readahead defines in mm.h
2019-03-12 10:04:01 -07:00
blk-exec.c
block: remove dead elevator code
2018-11-07 13:42:32 -07:00
blk-flush.c
blk-mq: use blk_mq_put_driver_tag() to put tag
2019-03-24 10:26:16 -06:00
blk-integrity.c
block: merge BIOVEC_SEG_BOUNDARY into biovec_phys_mergeable
2018-09-24 12:33:57 -06:00
blk-ioc.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-iolatency.c
blk-iolatency: #include "blk.h"
2019-03-20 14:19:38 -06:00
blk-lib.c
block: fix 32 bit overflow in __blkdev_issue_discard()
2018-11-14 08:17:18 -07:00
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: fix segment calculation for passthrough IO
2019-03-06 09:42:54 -07:00
blk-mq-cpumap.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
SCSI misc on 20190306
2019-03-09 16:53:47 -08:00
blk-mq-debugfs.h
blk-mq-debugfs: support rq_qos
2018-12-16 19:53:47 -07:00
blk-mq-pci.c
blk-mq: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq-rdma.c
blk-mq-rdma: pass in queue map to blk_mq_rdma_map_queues
2018-12-13 09:59:08 +01:00
blk-mq-sched.c
blk-mq: save queue mapping result into ctx directly
2019-02-01 08:33:04 -07:00
blk-mq-sched.h
block: mq-deadline: Fix write completion handling
2018-12-17 11:19:39 -07:00
blk-mq-sysfs.c
blk-mq: export hctx->type in debugfs instead of sysfs
2018-12-17 05:44:45 -07:00
blk-mq-tag.c
blk-mq: save queue mapping result into ctx directly
2019-02-01 08:33:04 -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: initial support for multiple queue maps
2018-11-07 13:45:00 -07:00
blk-mq.c
blk-mq: add trace block plug and unplug for multiple queues
2019-04-02 08:57:05 -06:00
blk-mq.h
blk-mq: use blk_mq_put_driver_tag() to put tag
2019-03-24 10:26:16 -06:00
blk-pm.c
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-pm.h
block: remove the queue_lock indirection
2018-11-15 12:17:28 -07:00
blk-rq-qos.c
blk-mq-debugfs: support rq_qos
2018-12-16 19:53:47 -07:00
blk-rq-qos.h
block: fix blk-iolatency accounting underflow
2018-12-17 11:19:54 -07:00
blk-settings.c
block: kill QUEUE_FLAG_FLUSH_NQ
2019-02-09 15:40:24 -07:00
blk-softirq.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.c
block: remove a few unused exports
2018-11-15 12:13:25 -07:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
block: add BLK_MQ_POLL_CLASSIC for hybrid poll and return EINVAL for unexpected value
2019-03-20 14:02:07 -06:00
blk-throttle.c
blkcg: consolidate bio_issue_init() to be a part of core
2018-12-07 22:26:37 -07:00
blk-timeout.c
block: don't hold the queue_lock over blk_abort_request
2018-11-15 12:13:18 -07:00
blk-wbt.c
blk-wbt: Declare local functions static
2019-01-24 11:09:21 -07:00
blk-wbt.h
block: remove external dependency on wbt_flags
2018-07-09 09:07:54 -06:00
blk-zoned.c
for-4.21/block-20181221
2018-12-28 13:19:59 -08:00
blk.h
blk-mq: save queue mapping result into ctx directly
2019-02-01 08:33:04 -07:00
bounce.c
block: bounce: make sure that bvec table is updated
2019-02-21 10:58:44 -07:00
bsg-lib.c
scsi: bsg-lib: handle bidi requests without block layer help
2019-02-05 21:27:40 -05:00
bsg.c
scsi: bsg-lib: handle bidi requests without block layer help
2019-02-05 21:27:40 -05:00
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: avoid setting none scheduler if it's already none
2019-02-11 08:21:40 -07:00
genhd.c
block: Replace function name in string with __func__
2019-02-28 14:09:08 -07:00
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
Kconfig updates for v4.21
2018-12-29 13:03:29 -08:00
Kconfig.iosched
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
kyber-iosched.c
kyber: use sbitmap add_wait_queue/list_del wait helpers
2018-12-20 12:17:21 -07:00
Makefile
block: remove legacy IO schedulers
2018-11-07 13:42:32 -07:00
mq-deadline.c
block: mq-deadline: Fix write completion handling
2018-12-17 11:19:39 -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: return just one value from part_in_flight
2018-12-10 08:30:38 -07:00
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