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| author | Ming Lei <[email protected]> | 2023-11-17 02:35:22 +0000 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2023-11-17 17:48:58 +0000 |
| commit | 27b13e209ddca5979847a1b57890e0372c1edcee (patch) | |
| tree | a6bc8f395772ea9f4bb99df0ebb2140cbf8a5013 /fs/jbd2/commit.c | |
| parent | blk-mq: make sure active queue usage is held for bio_integrity_prep() (diff) | |
| download | kernel-27b13e209ddca5979847a1b57890e0372c1edcee.tar.gz kernel-27b13e209ddca5979847a1b57890e0372c1edcee.zip | |
blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!"
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 <[email protected]>
Signed-off-by: Ming Lei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions