55 	long old, new;  in __down_write()  local
58 		old = sem->count;  in __down_write()
59 		new = old + RWSEM_ACTIVE_WRITE_BIAS;  in __down_write()
60 	} while (cmpxchg_acq(&sem->count, old, new) != old);  in __down_write()
62 	if (old != 0)  in __down_write()
84 	long old, new;  in __up_write()  local
87 		old = sem->count;  in __up_write()
88 		new = old - RWSEM_ACTIVE_WRITE_BIAS;  in __up_write()
89 	} while (cmpxchg_rel(&sem->count, old, new) != old);  in __up_write()
127 	long old, new;  in __downgrade_write()  local
130 		old = sem->count;  in __downgrade_write()
131 		new = old - RWSEM_WAITING_BIAS;  in __downgrade_write()
132 	} while (cmpxchg_rel(&sem->count, old, new) != old);  in __downgrade_write()
134 	if (old < 0)  in __downgrade_write()