42 	int cnts;  in queued_read_trylock()  local
44 	cnts = atomic_read(&lock->cnts);  in queued_read_trylock()
45 	if (likely(!(cnts & _QW_WMASK))) {  in queued_read_trylock()
46 		cnts = (u32)atomic_add_return_acquire(_QR_BIAS, &lock->cnts);  in queued_read_trylock()
47 		if (likely(!(cnts & _QW_WMASK)))  in queued_read_trylock()
49 		atomic_sub(_QR_BIAS, &lock->cnts);  in queued_read_trylock()
61 	int cnts;  in queued_write_trylock()  local
63 	cnts = atomic_read(&lock->cnts);  in queued_write_trylock()
64 	if (unlikely(cnts))  in queued_write_trylock()
67 	return likely(atomic_try_cmpxchg_acquire(&lock->cnts, &cnts,  in queued_write_trylock()
76 	int cnts;  in queued_read_lock()  local
78 	cnts = atomic_add_return_acquire(_QR_BIAS, &lock->cnts);  in queued_read_lock()
79 	if (likely(!(cnts & _QW_WMASK)))  in queued_read_lock()
92 	int cnts = 0;  in queued_write_lock()  local
94 	if (likely(atomic_try_cmpxchg_acquire(&lock->cnts, &cnts, _QW_LOCKED)))  in queued_write_lock()
109 	(void)atomic_sub_return_release(_QR_BIAS, &lock->cnts);  in queued_read_unlock()