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Tian Lan 3e94d54e83 blk-mq: fix race condition in active queue accounting 
If multiple CPUs are sharing the same hardware queue, it can
cause leak in the active queue counter tracking when __blk_mq_tag_busy()
is executed simultaneously.

Fixes: ee78ec1077d3 ("blk-mq: blk_mq_tag_busy is no need to return a value")
Signed-off-by: Tian Lan <tian.lan@twosigma.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20230522210555.794134-1-tilan7663@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-05-23 11:10:16 -06:00
..
partitions
block: Cleanup set_capacity()/bdev_set_nr_sectors()
2023-04-24 08:48:09 -06:00
badblocks.c
block/badblocks: Remove redundant assignments
2022-04-23 07:15:26 -06:00
bdev.c
block: sync part's ->bd_has_submit_bio with disk's
2023-04-25 07:36:02 -06:00
bfq-cgroup.c
blkcg: Restructure blkg_conf_prep() and friends
2023-04-13 06:46:49 -06:00
bfq-iosched.c
block, bfq: Fix division by zero error on zero wsum
2023-04-16 13:01:43 -06:00
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
block: bio-integrity: Copy flags when bio_integrity_payload is cloned
2023-02-16 11:05:41 -07:00
bio.c
ext4: Convert ext4_bio_write_page() to use a folio
2023-04-06 13:39:50 -04:00
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
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
for-6.4/block-2023-05-06
2023-05-06 08:28:58 -07:00
blk-cgroup.h
for-6.4/block-2023-04-21
2023-04-26 12:52:58 -07:00
blk-core.c
for-6.4/block-2023-04-21
2023-04-26 12:52:58 -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: remove blk_crypto_insert_cloned_request()
2023-03-16 09:35:09 -06:00
blk-crypto-profile.c
blk-crypto: drop the NULL check from blk_crypto_put_keyslot()
2023-03-16 09:35:09 -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-mq: fix the blk_mq_add_to_requeue_list call in blk_kick_flush
2023-04-16 13:01:43 -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
block: fix default IO priority handling again
2022-06-27 06:29:12 -06:00
blk-iocost.c
blkcg: Restructure blkg_conf_prep() and friends
2023-04-13 06:46:49 -06:00
blk-iolatency.c
blk-iolatency: Make initialization lazy
2023-04-13 06:46:49 -06:00
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
iov_iter: add iter_iovec() helper
2023-03-30 08:12:29 -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: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -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: move blk_mq_sched_insert_request to blk-mq.c
2023-04-13 06:52:29 -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
blk-mq: fix race condition in active queue accounting
2023-05-23 11:10:16 -06:00
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
for-6.4/block-2023-04-21
2023-04-26 12:52:58 -07:00
blk-mq.h
for-6.4/block-2023-04-21
2023-04-26 12:52:58 -07:00
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
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-iolatency: s/blkcg_rq_qos/iolat_rq_qos/
2023-04-13 06:46:49 -06:00
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
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
blk-mq: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -06:00
blk-throttle.c
blk-throttle: only enable blk-stat when BLK_DEV_THROTTLING_LOW
2023-04-13 06:48:11 -06:00
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-wbt: fix that wbt can't be disabled by default
2023-05-23 11:08:53 -06:00
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: remove more NULL checks after bdev_get_queue()
2023-02-21 09:23:22 -07:00
blk.h
blk-integrity: register sysfs attributes on struct device
2023-04-26 18:22:50 -06:00
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: class: remove module * from class_create()
2023-03-17 15:16:33 +01:00
disk-events.c
block: remove genhd.h
2022-02-02 07:49:59 -07:00
elevator.c
block: make kobj_type structures constant
2023-02-09 09:38:16 -07:00
elevator.h
blk-mq: pass a flags argument to elevator_type->insert_requests
2023-04-13 06:52:30 -06:00
fops.c
block: Deny writable memory mapping if block is read-only
2023-05-19 20:17:10 -06:00
genhd.c
for-6.4/block-2023-05-06
2023-05-06 08:28:58 -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: fix scan partition for exclusively open device again
2023-02-17 06:15:57 -07:00
ioprio.c
block: Fix handling of tasks without ioprio in ioprio_get(2)
2022-06-27 06:29:12 -06:00
Kconfig
for-6.4/block-2023-04-21
2023-04-26 12:52:58 -07:00
Kconfig.iosched
block: Default to use cgroup support for BFQ
2023-01-30 09:42:42 -07:00
kyber-iosched.c
blk-mq: pass a flags argument to elevator_type->insert_requests
2023-04-13 06:52:30 -06:00
Makefile
blk-mq-rdma: remove queue mapping helper for rdma devices
2023-04-13 08:59:05 +02:00
mq-deadline.c
blk-mq: pass a flags argument to elevator_type->insert_requests
2023-04-13 06:52:30 -06:00
opal_proto.h
sed-opal: allow user authority to get locking range attributes.
2023-04-05 07:46:25 -06:00
sed-opal.c
sed-opal: geometry feature reporting command
2023-04-19 14:07:13 -06:00
t10-pi.c
block: add pi for extended integrity
2022-03-07 12:48:35 -07:00