29 	struct rt_mutex		*lock;  member
41 static inline int rt_mutex_has_waiters(struct rt_mutex *lock)  in rt_mutex_has_waiters()  argument
43 	return !RB_EMPTY_ROOT(&lock->waiters);  in rt_mutex_has_waiters()
47 rt_mutex_top_waiter(struct rt_mutex *lock)  in rt_mutex_top_waiter()  argument
51 	w = rb_entry(lock->waiters_leftmost, struct rt_mutex_waiter,  in rt_mutex_top_waiter()
53 	BUG_ON(w->lock != lock);  in rt_mutex_top_waiter()
76 static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)  in rt_mutex_owner()  argument
79 		((unsigned long)lock->owner & ~RT_MUTEX_OWNER_MASKALL);  in rt_mutex_owner()
100 extern struct task_struct *rt_mutex_next_owner(struct rt_mutex *lock);
101 extern void rt_mutex_init_proxy_locked(struct rt_mutex *lock,
103 extern void rt_mutex_proxy_unlock(struct rt_mutex *lock,
105 extern int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
108 extern int rt_mutex_finish_proxy_lock(struct rt_mutex *lock,
112 extern bool rt_mutex_futex_unlock(struct rt_mutex *lock,