$CRYPTSETUP luksClose $DEV_NAME || fail
echo "[2] Allowing discards for plain device"
-echo xxx | $CRYPTSETUP create $DEV_NAME $DEV --allow-discards || fail
+echo xxx | $CRYPTSETUP create $DEV_NAME $DEV --hash sha1 --allow-discards || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
$CRYPTSETUP resize $DEV_NAME --size 100 || fail
$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail