CDFS4_FORE
rok->bctsr_dir = CDFS4_FORE;
case CDFS4_FORE:
if (dir == CDFS4_FORE && sp->sn_fore == NULL)
if (dir == CDFS4_FORE || dir == CDFS4_BOTH) {
dir = bdrpc ? (CDFS4_FORE | CDFS4_BACK) : CDFS4_FORE;