iotests/244: Don't store data-file with protocol in image

We want to disable filename parsing for data files because it's too easy
to abuse in malicious image files. Make the test ready for the change by
passing the data file explicitly in command line options.

Cc: [email protected]
Signed-off-by: Kevin Wolf <[email protected]>
Reviewed-by: Eric Blake <[email protected]>
Reviewed-by: Stefan Hajnoczi <[email protected]>
Reviewed-by: Hanna Czenczek <[email protected]>
(cherry picked from commit 2eb42a7)
Signed-off-by: Michael Tokarev <[email protected]>

Author: kevmw

tests/qemu-iotests/244

@@ -215,9 +215,22 @@ $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n -C "$TEST_IMG.src" "$TEST_IMG"
 $QEMU_IMG compare -f $IMGFMT -F $IMGFMT "$TEST_IMG.src" "$TEST_IMG"
 
 # blkdebug doesn't support copy offloading, so this tests the error path
-$QEMU_IMG amend -f $IMGFMT -o "data_file=blkdebug::$TEST_IMG.data" "$TEST_IMG"
-$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n -C "$TEST_IMG.src" "$TEST_IMG"
-$QEMU_IMG compare -f $IMGFMT -F $IMGFMT "$TEST_IMG.src" "$TEST_IMG"
+test_img_with_blkdebug="json:{
+    'driver': 'qcow2',
+    'file': {
+        'driver': 'file',
+        'filename': '$TEST_IMG'
+    },
+    'data-file': {
+        'driver': 'blkdebug',
+        'image': {
+            'driver': 'file',
+            'filename': '$TEST_IMG.data'
+        }
+    }
+}"
+$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n -C "$TEST_IMG.src" "$test_img_with_blkdebug"
+$QEMU_IMG compare -f $IMGFMT -F $IMGFMT "$TEST_IMG.src" "$test_img_with_blkdebug"
 
 echo
 echo "=== Flushing should flush the data file ==="