On 03/12/2020 09:22, Shin'ichiro Kawasaki wrote:

-_test_dev_max_active_zones() {
+# Return max open zones or max active zones of the test target device.
+# If the device has both, return smaller value.
+_test_dev_max_open_active_zones() {
+	local -i ret=0
+	local -i maz=0
+
+	if [[ -r "${TEST_DEV_SYSFS}/queue/max_open_zones" ]]; then
+		ret=$(_test_dev_queue_get max_open_zones)
+	fi
+
 	if [[ -r "${TEST_DEV_SYSFS}/queue/max_active_zones" ]]; then
-		_test_dev_queue_get max_active_zones
-	else
-		echo 0
+		maz=$(_test_dev_queue_get max_active_zones)
 	fi
+
+	if ((!ret)) || ((maz && maz < ret)); then
+		ret="${maz}"
+	fi
+
+	echo "${ret}"
 }

Maybe change $ret to $moz and then

if ((!moz)) || ((maz && maz < moz)); then
	echo ${maz}
else
	echo ${moz}
fi

Otherwise looks good,
Reviewed-by: Johannes Thumshirn <redacted>