void postcopy_add_notifier(NotifierWithReturn *nn) { notifier_with_return_list_add(&postcopy_notifier_list, nn); }
static void write_threshold_register_notifier(BlockDriverState *bs) { bs->write_threshold_notifier.notify = before_write_notify; notifier_with_return_list_add(&bs->before_write_notifiers, &bs->write_threshold_notifier); }