qcow2: Flush metadata during read-only reopen

[mirror_qemu.git] / tests / qemu-iotests / 039

diff --git a/tests/qemu-iotests/039 b/tests/qemu-iotests/039
index 9b355c097753c9de807e46399f17efa20671b7d1..b9cbe99560463a9fc6b9a91a548af65f221fff5a 100755 (executable)
--- a/tests/qemu-iotests/039
+++ b/tests/qemu-iotests/039
@@ -131,6 +131,26 @@ ulimit -c "$old_ulimit"
 ./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
 _check_test_img
 
+echo
+echo "== Committing to a backing file with lazy_refcounts=on =="
+
+IMGOPTS="compat=1.1,lazy_refcounts=on"
+TEST_IMG="$TEST_IMG".base _make_test_img $size
+
+IMGOPTS="compat=1.1,lazy_refcounts=on,backing_file=$TEST_IMG.base"
+_make_test_img $size
+
+$QEMU_IO -c "write 0 512" "$TEST_IMG" | _filter_qemu_io
+$QEMU_IMG commit "$TEST_IMG"
+
+# The dirty bit must not be set
+./qcow2.py "$TEST_IMG" dump-header | grep incompatible_features
+./qcow2.py "$TEST_IMG".base dump-header | grep incompatible_features
+
+_check_test_img
+TEST_IMG="$TEST_IMG".base _check_test_img
+
+
 # success, all done
 echo "*** done"
 rm -f $seq.full