Ming Lei a023162818 blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!" ...

[ Upstream commit 27b13e209ddca5979847a1b57890e0372c1edcee ]

Inside blkg_for_each_descendant_pre(), both
css_for_each_descendant_pre() and blkg_lookup() requires RCU read lock,
and either cgroup_assert_mutex_or_rcu_locked() or rcu_read_lock_held()
is called.

Fix the warning by adding rcu read lock.

Reported-by: Changhui Zhong <czhong@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20231117023527.3188627-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-12-20 15:32:35 +01:00

..

partitions

partitions/aix: fix usage of uninitialized lv_info and lvname structures

2018-09-19 22:43:44 +02:00

badblocks.c

badblocks: fix wrong return value in badblocks_set if badblocks are disabled

2017-12-20 10:10:26 +01:00

bfq-cgroup.c

block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group()

2020-04-02 16:34:15 +02:00

bfq-iosched.c

block, bfq: protect 'bfqd->queued' by 'bfqd->lock'

2022-11-10 15:47:22 +01:00

bfq-iosched.h

Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block

2017-09-07 11:59:42 -07:00

bfq-wf2q.c

block, bfq: correctly charge and reset entity service in all cases

2018-11-13 11:14:55 -08:00

bio-integrity.c

block: bio-integrity: Copy flags when bio_integrity_payload is cloned

2023-03-11 16:26:35 +01:00

bio.c

block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern

2022-06-06 08:20:57 +02:00

blk-cgroup.c

blk-cgroup: Pre-allocate tree node on blkg_conf_prep

2020-11-10 10:29:05 +01:00

blk-core.c

block: ensure bdi->io_pages is always initialized

2020-09-12 13:39:11 +02:00

blk-exec.c

block: introduce new block status code type

2017-06-09 09:27:32 -06:00

blk-flush.c

blk-mq: fix a hung issue when fsync

2019-02-20 10:20:44 +01:00

blk-integrity.c

block: switch bios to blk_status_t

2017-06-09 09:27:32 -06:00

blk-ioc.c

block: Fix use-after-free issue accessing struct io_cq

2020-04-24 08:00:28 +02:00

blk-lib.c

block: fix infinite loop if the device loses discard capability

2018-12-29 13:39:07 +01:00

blk-map.c

block: fix memleak when __blk_rq_map_user_iov() is failed

2020-01-12 12:12:00 +01:00

blk-merge.c

block: don't use bio->bi_vcnt to figure out segment number

2020-01-27 14:46:19 +01:00

blk-mq-cpumap.c

blk-mq: don't keep offline CPUs mapped to hctx 0

2018-04-19 08:56:20 +02:00

blk-mq-debugfs.c

blk-mq-debugfs: don't allow write on attributes with seq_operations set

2018-04-26 11:02:11 +02:00

blk-mq-debugfs.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-mq-pci.c

blk-mq-pci: add a fallback when pci_irq_get_affinity returns NULL

2017-08-18 08:08:14 -06:00

blk-mq-rdma.c

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

blk-mq-sched.c

blk-mq: only attempt to merge bio if there is rq in sw queue

2018-09-26 08:38:13 +02:00

blk-mq-sched.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-mq-sysfs.c

blk-mq: fix possible memleak when register 'hctx' failed

2023-01-18 09:26:32 +01:00

blk-mq-tag.c

blk-mq: Allow blocking queue tag iter callbacks

2020-04-13 10:34:23 +02:00

blk-mq-tag.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-mq-virtio.c

blk-mq: provide a default queue mapping for virtio device

2017-02-27 20:54:05 +02:00

blk-mq.c

blk-mq: Swap two calls in blk_mq_exit_queue()

2021-05-22 10:57:40 +02:00

blk-mq.h

blk-mq: fix sysfs inflight counter

2018-06-21 04:02:49 +09:00

blk-settings.c

blk-settings: align max_sectors on "logical_block_size" boundary

2021-03-03 18:22:50 +01:00

blk-softirq.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-stat.c

blk-stat: don't use this_cpu_ptr() in a preemptable section

2017-05-10 07:40:18 -06:00

blk-stat.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-sysfs.c

blk-mq: move cancel of requeue_work to the front of blk_exit_queue

2019-10-05 12:47:37 +02:00

blk-tag.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-throttle.c

blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!"

2023-12-20 15:32:35 +01:00

blk-timeout.c

block: Fix a race between blk_cleanup_queue() and timeout handling

2017-11-30 08:40:52 +00:00

blk-wbt.c

blk-wbt: account flush requests correctly

2018-02-22 15:42:29 +01:00

blk-wbt.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

blk-zoned.c

blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN

2021-09-22 11:45:24 +02:00

blk.h

block: drain queue before waiting for q_usage_counter becoming zero

2018-03-03 10:24:35 +01:00

bounce.c

block: don't let passthrough IO go into .make_request_fn()

2018-01-02 20:31:05 +01:00

bsg-lib.c

bsg-lib: fix use-after-free under memory-pressure

2017-10-04 08:35:04 -06:00

bsg.c

bsg: remove #if 0'ed code

2017-08-29 10:50:30 -06:00

cfq-iosched.c

cfq: Suppress compiler warnings about comparisons

2018-09-15 09:45:31 +02:00

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

compat_ioctl.c

block/compat_ioctl: fix range check in BLKGETSIZE

2022-04-27 13:15:31 +02:00

deadline-iosched.c

block, scheduler: convert xxx_var_store to void

2017-08-28 10:01:08 -06:00

elevator.c

elevator: lookup mq vs non-mq elevators

2018-12-21 14:13:10 +01:00

genhd.c

block: fix use-after-free in disk_part_iter_next

2021-01-17 13:59:01 +01:00

ioctl.c

block: remove the discard_zeroes_data flag

2017-04-08 11:25:38 -06:00

ioprio.c

block: fix ioprio_get(IOPRIO_WHO_PGRP) vs setuid(2)

2021-12-14 10:16:55 +01:00

Kconfig

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

Kconfig.iosched

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

kyber-iosched.c

block: kyber: fix domain token leak during requeue

2018-03-08 22:41:05 -08:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mq-deadline.c

mq-deadline: Enable auto-loading when built as module

2017-08-29 10:47:23 -06:00

noop-iosched.c

block: move existing elevator ops to union

2017-01-17 10:03:33 -07:00

opal_proto.h

block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled

2017-09-11 09:45:52 -06:00

partition-generic.c

block: unhash blkdev part inode when the part is deleted

2023-01-18 09:26:05 +01:00

scsi_ioctl.c

block: Change argument type of scsi_req_init()

2017-06-20 19:27:14 -06:00

sed-opal.c

block: sed-opal: kmalloc the cmd/resp buffers

2022-11-25 17:36:49 +01:00

t10-pi.c

t10-pi: Move opencoded contants to common header

2017-07-03 16:56:25 -06:00