OVERLAY_F_MDDROP
VERIFY(!(odd->odd_flags & OVERLAY_F_MDDROP));
odd->odd_flags |= OVERLAY_F_MDDROP;
odd->odd_flags &= ~OVERLAY_F_MDDROP;
if ((odd->odd_flags & OVERLAY_F_MDDROP) ||
odd->odd_flags |= OVERLAY_F_MDDROP;
odd->odd_flags &= ~OVERLAY_F_MDDROP;
if ((odd->odd_flags & OVERLAY_F_MDDROP) ||
if ((odd->odd_flags & OVERLAY_F_MDDROP) ||