289 	init_rwsem(&key->sem);  in key_alloc()
290 	lockdep_set_class(&key->sem, &type->lock_class);  in key_alloc()
741 	down_write(&key->sem);  in key_set_timeout()
747 	up_write(&key->sem);  in key_set_timeout()
780 	down_write(&key->sem);  in __key_update()
789 	up_write(&key->sem);  in __key_update()
1104 	down_write(&key->sem);  in key_update()
1113 	up_write(&key->sem);  in key_update()
1142 	down_write_nested(&key->sem, 1);  in key_revoke()
1156 	up_write(&key->sem);  in key_revoke()
1174 		down_write_nested(&key->sem, 1);  in key_invalidate()
1179 		up_write(&key->sem);  in key_invalidate()