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Kemeng Shi e4ef2e05e0 blk-mq: simplify flush check in blk_mq_dispatch_rq_list 
1. Remove check of needs_resource and ret == BLK_STS_DEV_RESOURCE.
For busy error BLK_STS*_RESOURCE, request will always be added
back to list, so need_resource will not be true and ret will
not be == BLK_STS_DEV_RESOURCE if list is empty. We could remove
these dead check.

2. Check ret of last request instead of errors
If list is empty, we only need to explicitly commit_rqs
if error happens at last request which is stored in ret. So check
ret of last request instead of errors to remove unnecessary
commit_rqs triggered by errors returned from previous request.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-02-06 09:22:28 -07:00
..
partitions
block: don't add partitions if GD_SUPPRESS_PART_SCAN is set
2022-09-03 11:29:03 -06:00
badblocks.c
block/badblocks: Remove redundant assignments
2022-04-23 07:15:26 -06:00
bdev.c
block: bdev & blktrace: use consistent function doc. notation
2022-12-01 09:16:46 -07:00
bfq-cgroup.c
blk-cgroup: move the cgroup information to struct gendisk
2023-02-03 08:20:05 -07:00
bfq-iosched.c
blk-cgroup: pass a gendisk to blkcg_{de,}activate_policy
2023-02-03 08:20:05 -07:00
bfq-iosched.h
block, bfq: remove unused bfq_wr_max_time in struct bfq_data
2023-01-29 20:03:49 -07:00
bfq-wf2q.c
block, bfq: inject I/O to underutilized actuators
2023-01-29 15:18:33 -07:00
bio-integrity.c
block: factor out a bvec_set_page helper
2023-02-03 08:20:54 -07:00
bio.c
block: factor out a bvec_set_page helper
2023-02-03 08:20:54 -07:00
blk-cgroup-fc-appid.c
cgroup: Homogenize cgroup_get_from_id() return value
2022-08-26 10:57:41 -10:00
blk-cgroup-rwstat.c
blk-cgroup: pin the gendisk in struct blkcg_gq
2023-02-03 08:20:05 -07:00
blk-cgroup-rwstat.h
block: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
blk-cgroup.c
blk-cgroup: fix freeing NULL blkg in blkg_create
2023-02-06 08:43:23 -07:00
blk-cgroup.h
blk-cgroup: move the cgroup information to struct gendisk
2023-02-03 08:20:05 -07:00
blk-core.c
block: treat poll queue enter similarly to timeouts
2023-01-29 15:18:34 -07:00
blk-crypto-fallback.c
treewide: use get_random_bytes() when possible
2022-10-11 17:42:58 -06:00
blk-crypto-internal.h
blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register
2022-11-30 11:09:00 -07:00
blk-crypto-profile.c
blk-crypto: Add a missing include directive
2022-11-23 10:38:54 -07:00
blk-crypto-sysfs.c
block: untangle request_queue refcounting from sysfs
2022-11-30 11:09:00 -07:00
blk-crypto.c
for-6.2/block-2022-12-08
2022-12-13 10:43:59 -08:00
blk-flush.c
block: change request end_io handler to pass back a return value
2022-09-30 07:49:09 -06:00
blk-ia-ranges.c
block: untangle request_queue refcounting from sysfs
2022-11-30 11:09:00 -07:00
blk-integrity.c
blk-crypto: remove blk_crypto_unregister()
2021-11-29 06:38:51 -07:00
blk-ioc.c
block: fix default IO priority handling again
2022-06-27 06:29:12 -06:00
blk-iocost.c
blk-cgroup: pass a gendisk to pd_alloc_fn
2023-02-03 08:20:05 -07:00
blk-iolatency.c
blk-cgroup: move the cgroup information to struct gendisk
2023-02-03 08:20:05 -07:00
blk-ioprio.c
blk-cgroup: pass a gendisk to pd_alloc_fn
2023-02-03 08:20:05 -07:00
blk-ioprio.h
blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit
2022-09-26 19:09:31 -06:00
blk-lib.c
blk-lib: fix blkdev_issue_secure_erase
2022-09-15 00:25:17 -06:00
blk-map.c
block: extend bio-cache for non-polled requests
2023-01-29 15:18:34 -07:00
blk-merge.c
block: don't allow splitting of a REQ_NOWAIT bio
2023-01-04 13:24:44 -07:00
blk-mq-cpumap.c
block: Change the return type of blk_mq_map_queues() into void
2022-08-22 10:07:53 -06:00
blk-mq-debugfs-zoned.c
block: move zone related fields to struct gendisk
2022-07-06 06:46:26 -06:00
blk-mq-debugfs.c
blk-rq-qos: store a gendisk instead of request_queue in struct rq_qos
2023-02-03 08:20:05 -07:00
blk-mq-debugfs.h
block: remove per-disk debugfs files in blk_unregister_queue
2022-06-17 07:31:05 -06:00
blk-mq-pci.c
block: Change the return type of blk_mq_map_queues() into void
2022-08-22 10:07:53 -06:00
blk-mq-rdma.c
block: Change the return type of blk_mq_map_queues() into void
2022-08-22 10:07:53 -06:00
blk-mq-sched.c
blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx
2023-02-06 09:22:28 -07:00
blk-mq-sched.h
block: move blk_mq_sched_assign_ioc to blk-ioc.c
2021-11-29 06:41:29 -07:00
blk-mq-sysfs.c
blk-mq: cleanup unused methods: blk_mq_hw_sysfs_store
2023-01-29 15:18:35 -07:00
blk-mq-tag.c
sbitmap: fix batched wait_cnt accounting
2022-09-12 00:10:34 -06:00
blk-mq-tag.h
blk-mq: blk_mq_tag_busy is no need to return a value
2022-06-27 06:29:12 -06:00
blk-mq-virtio.c
block: Change the return type of blk_mq_map_queues() into void
2022-08-22 10:07:53 -06:00
blk-mq.c
blk-mq: simplify flush check in blk_mq_dispatch_rq_list
2023-02-06 09:22:28 -07:00
blk-mq.h
blk-mq: move the srcu_struct used for quiescing to the tagset
2022-11-02 08:35:34 -06:00
blk-pm.c
scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume()
2021-12-22 23:38:29 -05:00
blk-pm.h
block: Remove unused blk_pm_*() function definitions
2021-02-22 06:33:48 -07:00
blk-rq-qos.c
blk-rq-qos: store a gendisk instead of request_queue in struct rq_qos
2023-02-03 08:20:05 -07:00
blk-rq-qos.h
blk-rq-qos: store a gendisk instead of request_queue in struct rq_qos
2023-02-03 08:20:05 -07:00
blk-settings.c
blk-wbt: move private information from blk-wbt.h to blk-wbt.c
2023-02-03 08:20:05 -07:00
blk-stat.c
block: don't call blk_throtl_stat_add for non-READ/WRITE commands
2023-02-03 08:20:04 -07:00
blk-stat.h
block: make queue stat accounting a reference
2021-12-14 17:23:05 -07:00
blk-sysfs.c
blk-wbt: move private information from blk-wbt.h to blk-wbt.c
2023-02-03 08:20:05 -07:00
blk-throttle.c
blk-cgroup: move the cgroup information to struct gendisk
2023-02-03 08:20:05 -07:00
blk-throttle.h
blk-throttle: pass a gendisk to blk_throtl_cancel_bios
2022-09-26 19:17:28 -06:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
blk-rq-qos: store a gendisk instead of request_queue in struct rq_qos
2023-02-03 08:20:05 -07:00
blk-wbt.h
blk-wbt: move private information from blk-wbt.h to blk-wbt.c
2023-02-03 08:20:05 -07:00
blk-zoned.c
block: add a new helper bdev_{is_zone_start, offset_from_zone_start}
2023-01-29 15:18:34 -07:00
blk.h
for-6.2/block-2022-12-08
2022-12-13 10:43:59 -08:00
bounce.c
block: change the blk_queue_bounce calling convention
2022-08-02 17:22:54 -06:00
bsg-lib.c
blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue
2022-10-25 08:25:10 -06:00
bsg.c
Driver Core changes for 6.2-rc1
2022-12-16 03:54:54 -08:00
disk-events.c
block: remove genhd.h
2022-02-02 07:49:59 -07:00
elevator.c
block: untangle request_queue refcounting from sysfs
2022-11-30 11:09:00 -07:00
elevator.h
block: add proper helpers for elevator_type module refcount management
2022-10-23 18:59:17 -06:00
fops.c
block: don't allow multiple bios for IOCB_NOWAIT issue
2023-01-29 15:18:34 -07:00
genhd.c
block: stub out and deprecated the capability attribute on the gendisk
2023-02-06 08:44:55 -07:00
holder.c
block: don't allow a disk link holder to itself
2022-11-16 15:19:56 -07:00
ioctl.c
block: Do not reread partition table on exclusively open device
2022-12-01 07:44:03 -07:00
ioprio.c
block: Fix handling of tasks without ioprio in ioprio_get(2)
2022-06-27 06:29:12 -06:00
Kconfig
block: Remove "select SRCU"
2023-01-05 08:50:10 -07:00
Kconfig.iosched
block: Default to use cgroup support for BFQ
2023-01-30 09:42:42 -07:00
kyber-iosched.c
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
Makefile
blk-cgroup: move blkcg_{get,set}_fc_appid out of line
2022-05-02 14:06:20 -06:00
mq-deadline.c
block: mq-deadline: Rename deadline_is_seq_writes()
2022-11-28 19:27:45 -07:00
opal_proto.h
block: sed-opal: Add ioctl to return device status
2022-08-22 07:52:51 -06:00
sed-opal.c
for-6.2/block-2022-12-08
2022-12-13 10:43:59 -08:00
t10-pi.c
block: add pi for extended integrity
2022-03-07 12:48:35 -07:00