V_LOCALITY
if ((vp->v_flag & V_LOCALITY) == 0) {
if ((vp->v_flag & V_LOCALITY) == 0) {
vp->v_flag |= V_LOCALITY;
vp->v_flag &= ~V_LOCALITY;
if ((vp->v_flag & V_LOCALITY) == 0 || vp->v_locality == NULL)