Cc: Waiman Long <longman@xxxxxxxxxx> Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx> diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index b76f1bcd2f7f..bdfbdb210fd7 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -178,9 +178,22 @@ static inline void lockdep_init_map(struct lockdep_map *lock, const char *name, (lock)->dep_map.wait_type_outer, \ (lock)->dep_map.lock_type) +/** + * lockdep_set_novalidate_class: disable checking of lock ordering on a given + * lock + * + * Lockdep will still record that this lock has been taken, and print held + * instances when dumping locks + */ #define lockdep_set_novalidate_class(lock) \ lockdep_set_class_and_name(lock, &__lockdep_no_validate__, #lock) +/** + * lockdep_set_notrack_class: disable lockdep tracking of a given lock entirely + * + * Bigger hammer than lockdep_set_novalidate_class: so far just for bcachefs, + * which takes more locks than lockdep is able to track (48). + */ #define lockdep_set_notrack_class(lock) \ lockdep_set_class_and_name(lock, &__lockdep_no_track__, #lock)
