return lock->key == key;
}
+struct lock_class *lockdep_hlock_class(struct held_lock *hlock);
+
/*
* Acquire a lock.
*
#define lockdep_depth(tsk) (0)
+#define lockdep_is_held(lock) (1)
#define lockdep_is_held_type(l, r) (1)
#define lockdep_assert_held(l) do { (void)(l); } while (0)