DL_SETBEND
DL_SETBEND(lp, ending_sector);
DL_SETBEND(lp, DL_GETDSIZE(lp)); /* XXX */
DL_SETBEND(lp,
DL_SETBEND(lp, DL_GETDSIZE(lp));
DL_SETBEND(lp, boundend < DL_GETDSIZE(lp) ? boundend : DL_GETDSIZE(lp));
DL_SETBEND(lp, lbaend + 1);
DL_SETBEND(lp, end + 1);
DL_SETBEND(lp, end);