VV_PROCDEP
(*vpp)->v_vflag |= VV_PROCDEP;
return ((vp->v_vflag & VV_PROCDEP) != 0);
if (vp->v_vflag & VV_PROCDEP)
VV_PROCDEP | VV_DELETED | VV_MD | VV_FORCEINSMQ | VV_READLINK);