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Ming Lei 511f602527 blk-mq: don't count completed flush data request as inflight in case of quiesce 
[ Upstream commit 0e4237ae8d159e3d28f3cd83146a46f576ffb586 ]

Request queue quiesce may interrupt flush sequence, and the original request
may have been marked as COMPLETE, but can't get finished because of
queue quiesce.

This way is fine from driver viewpoint, because flush sequence is block
layer concept, and it isn't related with driver.

However, driver(such as dm-rq) can call blk_mq_queue_inflight() to count &
drain inflight requests, then the wait & drain never gets done because
the completed & not-finished flush request is counted as inflight.

Fix this issue by not counting completed flush data request as inflight in
case of quiesce.

Cc: Mike Snitzer <snitzer@kernel.org>
Cc: David Jeffery <djeffery@redhat.com>
Cc: John Pittman <jpittman@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20231201085605.577730-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-01-20 11:51:39 +01:00
..
partitions for-6.6/block-2023-08-28 2023-08-29 20:21:42 -07:00
Kconfig block: sed-opal: keyring support for SED keys 2023-08-22 11:10:26 -06:00
Kconfig.iosched block: Default to use cgroup support for BFQ 2023-01-30 09:42:42 -07:00
Makefile block: move the code to do early boot lookup of block devices to block/ 2023-06-05 10:57:40 -06:00
badblocks.c block/badblocks: Remove redundant assignments 2022-04-23 07:15:26 -06:00
bdev.c block: update the stable_writes flag in bdev_add 2023-12-03 07:33:03 +01:00
bfq-cgroup.c blkcg: Restructure blkg_conf_prep() and friends 2023-04-13 06:46:49 -06:00
bfq-iosched.c SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
bfq-iosched.h block, bfq: remove BFQ_WEIGHT_LEGACY_DFL 2023-04-06 16:17:32 -06:00
bfq-wf2q.c block, bfq: inject I/O to underutilized actuators 2023-01-29 15:18:33 -07:00
bio-integrity.c bio-integrity: create multi-page bvecs in bio_integrity_add_page() 2023-08-09 16:05:35 -06:00
bio.c block: Bring back zero_fill_bio_iter 2023-08-14 15:40:42 -06:00
blk-cgroup-fc-appid.c block: Replace all non-returning strlcpy with strscpy 2023-06-01 09:13:31 -06:00
blk-cgroup-rwstat.c Revert "blk-cgroup: pin the gendisk in struct blkcg_gq" 2023-02-14 14:24:09 -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: bypass blkcg_deactivate_policy after destroying 2023-12-20 17:01:55 +01:00
blk-cgroup.h blk-cgroup: avoid to warn !rcu_read_lock_held() in blkg_lookup() 2023-12-03 07:33:02 +01:00
blk-core.c block: warn once for each partition in bio_check_ro() 2024-01-20 11:51:38 +01:00
blk-crypto-fallback.c blk-crypto: dynamically allocate fallback profile 2023-08-18 15:00:39 -06:00
blk-crypto-internal.h blk-crypto: remove blk_crypto_insert_cloned_request() 2023-03-16 09:35:09 -06:00
blk-crypto-profile.c blk-crypto: use dynamic lock class for blk_crypto_profile::lock 2023-07-05 16:36:12 -06:00
blk-crypto-sysfs.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-crypto.c blk-crypto: make blk_crypto_evict_key() more robust 2023-03-16 09:35:09 -06:00
blk-flush.c blk-flush: reuse rq queuelist in flush state machine 2023-07-17 08:18:21 -06:00
blk-ia-ranges.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-integrity.c blk-integrity: register sysfs attributes on struct device 2023-04-26 18:22:50 -06:00
blk-ioc.c blk-ioc: fix recursive spin_lock/unlock_irq() in ioc_clear_queue() 2023-06-07 07:51:00 -06:00
blk-iocost.c blk-iocost: fix queue stats accounting 2023-08-09 16:04:14 -06:00
blk-iolatency.c block: fix bad lockdep annotation in blk-iolatency 2023-08-10 17:24:53 -06:00
blk-ioprio.c blk-ioprio: Introduce promote-to-rt policy 2023-06-06 22:26:26 -06:00
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: fix pin count management when merging same-page segments 2023-09-06 07:32:27 -06:00
blk-merge.c blk-mq: release crypto keyslot before reporting I/O complete 2023-03-16 09:35:09 -06:00
blk-mq-cpumap.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -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-mq: fix potential io hang by wrong 'wake_batch' 2023-06-12 09:55:53 -06:00
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 blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-sched.c blk-mq: cleanup __blk_mq_sched_dispatch_requests 2023-04-13 06:57:18 -06:00
blk-mq-sched.h blk-mq: make sure elevator callbacks aren't called for passthrough request 2023-05-18 19:42:54 -06:00
blk-mq-sysfs.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-tag.c for-6.5/block-2023-06-23 2023-06-26 12:47:20 -07:00
blk-mq-virtio.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq.c blk-mq: don't count completed flush data request as inflight in case of quiesce 2024-01-20 11:51:39 +01:00
blk-mq.h blk-mq: fix potential io hang by wrong 'wake_batch' 2023-06-12 09:55:53 -06:00
blk-pm.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-pm.h block: Remove unused blk_pm_*() function definitions 2021-02-22 06:33:48 -07:00
blk-rq-qos.c block: correct stale comment in rq_qos_wait 2023-09-18 14:15:28 -06:00
blk-rq-qos.h blk-iolatency: s/blkcg_rq_qos/iolat_rq_qos/ 2023-04-13 06:46:49 -06:00
blk-settings.c block: don't allow enabling a cache on devices that don't support it 2023-07-17 08:18:18 -06:00
blk-stat.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-stat.h block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-sysfs.c block: don't allow enabling a cache on devices that don't support it 2023-07-17 08:18:18 -06:00
blk-throttle.c blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!" 2023-12-20 17:01:55 +01:00
blk-throttle.h blk-throttle: print signed value 'carryover_bytes/ios' for user 2023-08-30 10:15:01 -06:00
blk-timeout.c block: blk-timeout: delete duplicated word 2020-07-31 16:29:47 -06:00
blk-wbt.c Merge branch 'for-6.5/block-late' into block-6.5 2023-06-28 16:08:19 -06:00
blk-wbt.h blk-wbt: don't create wbt sysfs entry if CONFIG_BLK_WBT is disabled 2023-06-26 09:53:36 -06:00
blk-zoned.c Merge branch '6.5/scsi-staging' into 6.5/scsi-fixes 2023-07-11 12:15:15 -04:00
blk.h block: Add some exports for bcachefs 2023-08-14 15:40:42 -06:00
bounce.c block: change the blk_queue_bounce calling convention 2022-08-02 17:22:54 -06:00
bsg-lib.c scsi: replace the fmode_t argument to ->sg_io_fn with a simple bool 2023-06-12 08:04:04 -06:00
bsg.c SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
disk-events.c block: fix kernel-doc for disk_force_media_change() 2023-09-26 00:43:34 -06:00
early-lookup.c block: don't return -EINVAL for not found names in devt_from_devname 2023-06-22 09:09:33 -06:00
elevator.c blk-mq: release scheduler resource when request completes 2023-08-19 07:47:17 -06:00
elevator.h blk-mq: pass a flags argument to elevator_type->insert_requests 2023-04-13 06:52:30 -06:00
fops.c block: Don't invalidate pagecache for invalid falloc modes 2023-10-11 15:53:17 -06:00
genhd.c block: call into the file system for bdev_mark_dead 2023-08-21 14:35:32 +02:00
holder.c block: don't allow a disk link holder to itself 2022-11-16 15:19:56 -07:00
ioctl.c block: don't add or resize partition on the disk with GENHD_FL_NO_PART 2023-08-31 08:00:35 -06:00
ioprio.c scsi: block: Improve ioprio value validity checks 2023-06-16 12:04:30 -04:00
kyber-iosched.c blk-mq: pass a flags argument to elevator_type->insert_requests 2023-04-13 06:52:30 -06:00
mq-deadline.c block/mq-deadline: use correct way to throttling write requests 2023-08-08 15:46:41 -06:00
opal_proto.h block: sed-opal: Implement IOC_OPAL_REVERT_LSP 2023-08-22 11:10:26 -06:00
sed-opal.c block: Fix regression in sed-opal for a saved key. 2023-10-13 08:16:08 -06:00
t10-pi.c block: add pi for extended integrity 2022-03-07 12:48:35 -07:00