+ my ($vtype, $name, $vmid, undef, undef, $isBase, $format) =
+ $class->parse_volname($volname);
+
+ # Note: qcow2/qed has internal snapshot, so path is always
+ # the same (with or without snapshot => same file).
+ die "can't snapshot this image format\n"
+ if defined($snapname) && $format !~ m/^(qcow2|qed)$/;