VD_COPYOUT
rv = (iop->convert)(vdc, mem_p, arg, mode, VD_COPYOUT);
if (dir == VD_COPYOUT)
if (dir != VD_COPYOUT)
if (dir == VD_COPYOUT) {
if (dir != VD_COPYOUT)
if (dir == VD_COPYOUT) {
if (dir != VD_COPYOUT)
if (dir == VD_COPYOUT) {