static struct cluster_list *cluster_intern(struct cluster_list *cluster)
{
	struct cluster_list *find;

	find = hash_get(cluster_hash, cluster, cluster_hash_alloc);
	find->refcnt++;

	return find;
}
static struct cluster_list *cluster_intern(struct cluster_list *cluster)
{
	struct cluster_list *find;

	find = hash_get(cluster_hash, cluster, cluster_hash_alloc);
	find->refcnt++;

	return find;
}