ZPOOL_PROP_AUTOEXPAND
if (zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) &&
spa_prop_find(spa, ZPOOL_PROP_AUTOEXPAND, &spa->spa_autoexpand);
spa->spa_autoexpand = zpool_prop_default_numeric(ZPOOL_PROP_AUTOEXPAND);
case ZPOOL_PROP_AUTOEXPAND:
case ZPOOL_PROP_AUTOEXPAND: