struct hlist_node *seq_hlist_start(struct hlist_head *head, loff_t pos)
{
	struct hlist_node *node;

	hlist_for_each(node, head)
		if (pos-- == 0)
			return node;
	return NULL;
}
struct hlist_node *seq_hlist_start(struct hlist_head *head, loff_t pos)
{
	struct hlist_node *node;

	hlist_for_each(node, head)
		if (pos-- == 0)
			return node;
	return NULL;
}