ldlm_lock_remove_from_lru_check(lock, ktime_set(0, 0))
int ldlm_lock_remove_from_lru_nolock(struct ldlm_lock *lock);
void ldlm_lock_add_to_lru_nolock(struct ldlm_lock *lock);
-void ldlm_lock_add_to_lru(struct ldlm_lock *lock);
void ldlm_lock_touch_in_lru(struct ldlm_lock *lock);
void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);