DS_FIELD_RESUME_OFFSET
DS_FIELD_RESUME_OFFSET, sizeof (val), 1, &val));
DS_FIELD_RESUME_OFFSET, tx);
VERIFY0(zap_add(mos, dsobj, DS_FIELD_RESUME_OFFSET,
ds->ds_object, DS_FIELD_RESUME_OFFSET, 8, 1,
DS_FIELD_RESUME_OFFSET, sizeof (val), 1, &val) == 0) {