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Ming Lei 84da7acc3b block: avoid double io accounting for flush request 
For flush request, rq->end_io() may be called two times, one is from
timeout handling(blk_mq_check_expired()), another is from normal
completion(__blk_mq_end_request()).

Move blk_account_io_flush() after flush_rq->ref drops to zero, so
io accounting can be done just once for flush request.

Fixes: b68663186577 ("block: add iostat counters for flush requests")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20210511152236.763464-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-05-24 06:47:21 -06:00
..
partitions
block/partitions/efi.c: Fix the efi_partition() kernel-doc header
2021-05-14 09:00:06 -06:00
badblocks.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
bfq-cgroup.c
block, bfq: merge bursts of newly-created queues
2021-03-25 10:50:07 -06:00
bfq-iosched.c
block, bfq: avoid circular stable merges
2021-05-12 07:39:23 -06:00
bfq-iosched.h
block, bfq: merge bursts of newly-created queues
2021-03-25 10:50:07 -06:00
bfq-wf2q.c
block, bfq: always inject I/O of queues blocked by wakers
2021-03-25 10:50:07 -06:00
bio-integrity.c
block: remove BLK_BOUNCE_ISA support
2021-04-06 09:28:17 -06:00
bio.c
Revert "bio: limit bio max size"
2021-05-08 21:49:48 -06:00
blk-cgroup-rwstat.c
blk-cgroup: Fix the recursive blkg rwstat
2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
2019-11-07 12:28:13 -07:00
blk-cgroup.c
blkcg: drop CLONE_IO check in blkcg_can_attach()
2021-05-24 06:47:21 -06:00
blk-core.c
block_dump: remove block_dump feature
2021-05-24 06:47:21 -06:00
blk-crypto-fallback.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
blk-crypto-internal.h
block: make blk_crypto_rq_bio_prep() able to fail
2020-10-05 10:47:43 -06:00
blk-crypto.c
dm: support key eviction from keyslot managers of underlying devices
2021-02-11 09:45:25 -05:00
blk-exec.c
block: drop removed argument from kernel-doc of blk_execute_rq()
2021-01-29 07:43:29 -07:00
blk-flush.c
block: avoid double io accounting for flush request
2021-05-24 06:47:21 -06:00
blk-integrity.c
block: remove the unused blk_integrity_merge_bio export
2020-10-06 07:29:53 -06:00
blk-ioc.c
block: remove retry loop in ioc_release_fn()
2020-07-16 10:22:15 -06:00
blk-iocost.c
blk-iocost: fix weight updates of inner active iocgs
2021-05-11 20:50:35 -06:00
blk-iolatency.c
block: Remove redundant 'return' statement
2020-10-08 07:59:48 -06:00
blk-lib.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
blk-map.c
block: remove an incorrect check from blk_rq_append_bio
2021-04-12 06:45:12 -06:00
blk-merge.c
block: recalculate segment count for multi-segment discards correctly
2021-03-23 10:39:57 -06:00
blk-mq-cpumap.c
blk-mq: remove the calling of local_memory_node()
2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c
block: Cleanup license notice
2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c
for-5.13/block-2021-04-27
2021-04-28 14:27:12 -07:00
blk-mq-debugfs.h
blk-mq: no need to check return value of debugfs_create functions
2019-06-13 03:00:30 -06:00
blk-mq-pci.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-rdma.c
block: Fix blk_mq_*_map_queues() kernel-doc headers
2019-05-31 15:12:34 -06:00
blk-mq-sched.c
kyber: fix out of bounds access when preempted
2021-05-11 08:12:14 -06:00
blk-mq-sched.h
block: get rid of the trace rq insert wrapper
2021-02-22 06:37:41 -07:00
blk-mq-sysfs.c
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
2020-10-09 12:46:28 -06:00
blk-mq-tag.c
blk-mq: Always use blk_mq_is_sbitmap_shared
2021-04-06 09:24:07 -06:00
blk-mq-tag.h
blk-mq: Relocate hctx_may_queue()
2020-09-03 15:20:47 -06:00
blk-mq-virtio.c
blk-mq: Fix typo in comment
2020-03-17 20:55:21 +01:00
blk-mq.c
blk-mq: Swap two calls in blk_mq_exit_queue()
2021-05-14 08:59:31 -06:00
blk-mq.h
scsi: blk-mq: Return budget token from .get_budget callback
2021-03-04 17:36:59 -05:00
blk-pm.c
scsi: block: Fix a race in the runtime power management code
2020-12-09 11:41:41 -05:00
blk-pm.h
block: Remove unused blk_pm_*() function definitions
2021-02-22 06:33:48 -07:00
blk-rq-qos.c
Revert "blk-rq-qos: remove redundant finish_wait to rq_qos_wait."
2020-07-15 09:33:37 -06:00
blk-rq-qos.h
blk-rq-qos: fix first node deletion of rq_qos_del()
2019-10-15 10:13:13 -06:00
blk-settings.c
block-5.13-2021-05-09
2021-05-09 13:25:14 -07:00
blk-stat.c
blk-stat: make q->stats->lock irqsafe
2020-09-01 16:48:46 -06:00
blk-stat.h
block: deactivate blk_stat timer in wbt_disable_default()
2018-12-12 06:47:51 -07:00
blk-sysfs.c
block: remove unneeded parenthesis from blk-sysfs
2021-05-24 06:47:21 -06:00
blk-throttle.c
block: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
blk: wbt: remove unused parameter from wbt_should_throttle
2021-01-26 13:13:00 -07:00
blk-wbt.h
blk-wbt: remove wbt_update_limits
2020-05-29 16:30:39 -06:00
blk-zoned.c
blk-zoned: Remove the definition of blk_zone_start()
2021-04-07 14:31:45 -06:00
blk.h
block: refactor blk_drop_partitions
2021-04-08 10:24:36 -06:00
bounce.c
block: stop calling blk_queue_bounce for passthrough requests
2021-04-06 09:28:18 -06:00
bsg-lib.c
block: drop double zeroing
2020-09-23 09:18:13 -06:00
bsg.c
block: remove unnecessary argument from blk_execute_rq
2021-01-24 21:52:39 -07:00
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
elevator.c
blk-mq: set default elevator as deadline in case of hctx shared tagset
2021-04-07 10:15:23 -06:00
genhd.c
block: prevent block device lookups at the beginning of del_gendisk
2021-05-20 07:59:35 -06:00
ioctl.c
block: return -EBUSY when there are open partitions in blkdev_reread_part
2021-04-21 10:49:37 -06:00
ioprio.c
block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
2021-04-08 13:43:53 -06:00
Kconfig
blk-wbt: Remove obsolete multiqueue I/O scheduling comment
2020-09-01 16:49:26 -06:00
Kconfig.iosched
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
keyslot-manager.c
- Fix DM integrity's HMAC support to provide enhanced security of
2021-02-22 10:22:54 -08:00
kyber-iosched.c
kyber: fix out of bounds access when preempted
2021-05-11 08:12:14 -06:00
Makefile
blk-mq: merge blk-softirq.c into blk-mq.c
2020-06-24 09:15:56 -06:00
mq-deadline.c
kyber: fix out of bounds access when preempted
2021-05-11 08:12:14 -06:00
opal_proto.h
block: sed-opal: Change the check condition for regular session validity
2020-03-12 08:00:10 -06:00
scsi_ioctl.c
block: Remove an obsolete comment from sg_io()
2021-04-13 11:23:52 -06:00
sed-opal.c
block: sed-opal: Change the check condition for regular session validity
2020-03-12 08:00:10 -06:00
t10-pi.c
block: Allow t10-pi to be modular
2020-01-06 20:59:04 -07:00