txg_list_walk_init_common
return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1));
return (txg_list_walk_init_common(wsp, 0, 0));
return (txg_list_walk_init_common(wsp, 1, 1));
return (txg_list_walk_init_common(wsp, 2, 2));
return (txg_list_walk_init_common(wsp, 3, 3));