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Jens Axboe 0306a2c7df Revert "block, bfq: honor already-setup queue merges" 
[ Upstream commit ebc69e897e ]

This reverts commit 2d52c58b9c.

We have had several folks complain that this causes hangs for them, which
is especially problematic as the commit has also hit stable already.

As no resolution seems to be forthcoming right now, revert the patch.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=214503
Fixes: 2d52c58b9c ("block, bfq: honor already-setup queue merges")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-10-06 15:55:56 +02:00
..
partitions
partitions: msdos: fix one-byte get_unaligned()
2021-07-20 16:05:39 +02:00
badblocks.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
bfq-cgroup.c
bfq: fix blkio cgroup leakage v4
2020-08-18 07:48:08 -07:00
bfq-iosched.c
Revert "block, bfq: honor already-setup queue merges"
2021-10-06 15:55:56 +02:00
bfq-iosched.h
bfq: fix blkio cgroup leakage v4
2020-08-18 07:48:08 -07:00
bfq-wf2q.c
bfq: fix blkio cgroup leakage v4
2020-08-18 07:48:08 -07:00
bio-integrity.c
block: make function __bio_integrity_free() static
2020-07-02 12:38:18 -06:00
bio.c
bio: fix page leak bio_add_hw_page failure
2021-09-15 09:50:47 +02:00
blk-cgroup-rwstat.c
blk-cgroup: Fix the recursive blkg rwstat
2021-03-30 14:31:48 +02:00
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
blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
2021-09-30 10:11:07 +02:00
blk-core.c
blk-mq: fix kernel panic during iterating over flush request
2021-09-12 08:58:27 +02:00
blk-crypto-fallback.c
block: rename generic_make_request to submit_bio_noacct
2020-07-01 07:27:24 -06:00
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
blk-crypto: fix check for too-large dun_bytes
2021-09-15 09:50:30 +02:00
blk-exec.c
block: add a blk_account_io_merge_bio helper
2020-05-27 05:21:23 -06:00
blk-flush.c
blk-mq: fix is_flush_rq
2021-09-12 08:58:27 +02:00
blk-integrity.c
block: flush the integrity workqueue in blk_integrity_unregister
2021-09-30 10:11:06 +02:00
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 lockdep warning on blkcg->lock
2021-09-03 10:09:22 +02:00
blk-iolatency.c
blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit()
2021-08-12 13:22:08 +02:00
blk-lib.c
block: add a bdev_is_partition helper
2020-09-25 08:18:57 -06:00
blk-map.c
block: fix bmd->is_null_mapped initialization
2020-09-23 09:18:39 -06:00
blk-merge.c
block: return ELEVATOR_DISCARD_MERGE if possible
2021-09-15 09:50:28 +02:00
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
blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED
2021-01-19 18:27:29 +01:00
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
treewide: Change list_sort to use const pointers
2021-09-30 10:11:04 +02:00
blk-mq-sched.h
Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block
2020-10-13 12:12:44 -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: avoid to iterate over stale request
2021-09-30 10:11:05 +02:00
blk-mq-tag.h
blk-mq: clear stale request in tags->rq[] before freeing one request pool
2021-07-14 16:55:58 +02:00
blk-mq-virtio.c
blk-mq: Fix typo in comment
2020-03-17 20:55:21 +01:00
blk-mq.c
treewide: Change list_sort to use const pointers
2021-09-30 10:11:04 +02:00
blk-mq.h
blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter
2021-07-14 16:55:58 +02:00
blk-pm.c
scsi: block: Fix a race in the runtime power management code
2021-01-06 14:56:50 +01:00
blk-pm.h
scsi: block: Do not accept any requests while suspended
2021-01-12 20:18:17 +01:00
blk-rq-qos.c
rq-qos: fix missed wake-ups in rq_qos_throttle try two
2021-07-19 09:45:00 +02:00
blk-rq-qos.h
block: fix race between adding/removing rq qos and normal IO
2021-07-14 16:56:00 +02:00
blk-settings.c
blk-settings: align max_sectors on "logical_block_size" boundary
2021-03-04 11:38:22 +01:00
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
blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
2020-10-09 12:46:28 -06:00
blk-throttle.c
blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
2021-09-26 14:09:01 +02:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
blk-wbt: make sure throttle is enabled properly
2021-07-14 16:56:12 +02:00
blk-wbt.h
blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled()
2021-07-14 16:56:12 +02:00
blk-zoned.c
blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN
2021-09-18 13:40:06 +02:00
blk.h
blk-throtl: optimize IOPS throttle for large IO scenarios
2021-09-15 09:50:25 +02:00
bounce.c
block: make bio_crypt_clone() able to fail
2020-10-05 10:47:43 -06:00
bsg-lib.c
block: drop double zeroing
2020-09-23 09:18:13 -06:00
bsg.c
scsi: bsg: Remove support for SCSI_IOCTL_SEND_COMMAND
2021-09-18 13:40:11 +02:00
cmdline-parser.c
…
elevator.c
block: return ELEVATOR_DISCARD_MERGE if possible
2021-09-15 09:50:28 +02:00
genhd.c
block: Suppress uevent for hidden device when removed
2021-03-30 14:31:52 +02:00
ioctl.c
block: return -EBUSY when there are open partitions in blkdev_reread_part
2021-04-28 13:39:59 +02:00
ioprio.c
block: grant IOPRIO_CLASS_RT to CAP_SYS_NICE
2020-09-01 19:38:33 -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
block/keyslot-manager: prevent crash when num_slots=1
2020-11-20 11:52:52 -07:00
kyber-iosched.c
kyber: fix out of bounds access when preempted
2021-05-19 10:13:13 +02:00
Makefile
blk-mq: merge blk-softirq.c into blk-mq.c
2020-06-24 09:15:56 -06:00
mq-deadline.c
block: return ELEVATOR_DISCARD_MERGE if possible
2021-09-15 09:50:28 +02:00
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
Merge tag 'drivers-5.10-2020-10-12' of git://git.kernel.dk/linux-block
2020-10-13 13:04:41 -07:00
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