btree_update
return btree_update(&head->h, &btree_geo128,
return btree_update(&head->h, BTREE_TYPE_GEO, &_key, val);
return btree_update(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key, val);
int btree_update(struct btree_head *head, struct btree_geo *geo,
EXPORT_SYMBOL_GPL(btree_update);