/* Return the n'th node of level l from table t.  */
static sector_t* get_node(struct dm_table *t, unsigned int l, unsigned int n)
/* Return the n'th node of level l from table t.  */
static sector_t* get_node(struct dm_table *t, unsigned int l, unsigned int n)
{
	return t->index[l] + (n * KEYS_PER_NODE);
}