IS_UNMOUNTING
if (vp->v_type == VNON || cp == NULL || IS_UNMOUNTING(cp)) {
if (!IS_UNMOUNTING(VTOC(mi->mi_rootvp)))
if (IS_UNMOUNTING(cp)) {
if (IS_UNMOUNTING(cp))
if (IS_UNMOUNTING(cp)) {
if (IS_UNMOUNTING(cp)) {
if (!IS_UNMOUNTING(cp))