vdev_dtl_empty
if (vdev_dtl_empty(newvd, DTL_MISSING) &&
vdev_dtl_empty(newvd, DTL_OUTAGE) &&
vdev_dtl_empty(newvd, DTL_MISSING) &&
vdev_dtl_empty(newvd, DTL_OUTAGE) &&
vdev_dtl_empty(last, DTL_MISSING) &&
vdev_dtl_empty(last, DTL_OUTAGE) &&
extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d);
required = !vdev_dtl_empty(tvd, DTL_OUTAGE);
if (!vdev_dtl_empty(cvd, DTL_PARTIAL))
if (!vdev_dtl_empty(vd, DTL_MISSING) ||
!vdev_dtl_empty(vd, DTL_OUTAGE))