26 __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))  in __mutex_fastpath_lock()  argument
28 	if (unlikely(atomic_xchg(count, 0) != 1))  in __mutex_fastpath_lock()
34 		if (likely(atomic_xchg(count, -1) != 1))  in __mutex_fastpath_lock()
35 			fail_fn(count);  in __mutex_fastpath_lock()
47 __mutex_fastpath_lock_retval(atomic_t *count)  in __mutex_fastpath_lock_retval()  argument
49 	if (unlikely(atomic_xchg(count, 0) != 1))  in __mutex_fastpath_lock_retval()
50 		if (likely(atomic_xchg(count, -1) != 1))  in __mutex_fastpath_lock_retval()
68 __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))  in __mutex_fastpath_unlock()  argument
70 	if (unlikely(atomic_xchg(count, 1) != 0))  in __mutex_fastpath_unlock()
71 		fail_fn(count);  in __mutex_fastpath_unlock()
92 __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))  in __mutex_fastpath_trylock()  argument
94 	int prev = atomic_xchg(count, 0);  in __mutex_fastpath_trylock()
108 		prev = atomic_xchg(count, prev);  in __mutex_fastpath_trylock()