common/io/hook.c

359 	mutex_enter(&waiter->fw_lock);
362 		mutex_exit(&waiter->fw_lock);
370 		cv_wait(&waiter->fw_cv, &waiter->fw_lock);
373 		 * of acquisition that is fw_owner followed by fw_lock, else
376 		mutex_exit(&waiter->fw_lock);
379 		mutex_enter(&waiter->fw_lock);
384 			mutex_exit(&waiter->fw_lock);
392 	mutex_exit(&waiter->fw_lock);
408 	mutex_enter(&waiter->fw_lock);
411 	mutex_exit(&waiter->fw_lock);
429 	mutex_enter(&waiter->fw_lock);
432 		mutex_exit(&waiter->fw_lock);
438 		cv_wait(&waiter->fw_cv, &waiter->fw_lock);
448 	mutex_exit(&waiter->fw_lock);
468 	mutex_init(&waiter->fw_lock, NULL, MUTEX_DRIVER, NULL);