void transit_unintern(struct transit *transit)
{
	if (transit->refcnt)
		transit->refcnt--;

	if (transit->refcnt == 0) {
		hash_release(transit_hash, transit);
		transit_free(transit);
	}
}
void transit_unintern(struct transit *transit)
{
	if (transit->refcnt)
		transit->refcnt--;

	if (transit->refcnt == 0) {
		hash_release(transit_hash, transit);
		transit_free(transit);
	}
}