block: qemu-iotests - add vhdx log replay tests for qemu-img

VHDX logs can now be replayed via 'qemu-img check -r all'.  Add
tests to verify that the log replay is successful when using qemu-img.
Signed-off-by: NJeff Cody <jcody@redhat.com>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

tests/qemu-iotests/070

@@ -62,6 +62,16 @@ $QEMU_IO -r -c "read -pP 0xa5 0 18M" "$TEST_IMG" 2>&1 | _filter_testdir \
 echo "=== Verify open image replays log  ==="
 $QEMU_IO  -c "read -pP 0xa5 0 18M" "$TEST_IMG" | _filter_qemu_io
 
+# extract fresh sample image again
+_use_sample_img iotest-dirtylog-10G-4M.vhdx.bz2
+
+echo "=== Verify qemu-img check -r all replays log  ==="
+$QEMU_IMG check -r all "$TEST_IMG" 2>&1 | _filter_testdir | _filter_qemu
+
+echo "=== Verify open image read-only succeeds after log replay ==="
+$QEMU_IO -r -c "read -pP 0xa5 0 18M" "$TEST_IMG" 2>&1 | _filter_testdir \
+                                                      | _filter_qemu_io
+
 # success, all done
 echo "*** done"
 rm -f $seq.full

tests/qemu-iotests/070.out

@@ -7,4 +7,15 @@ qemu-io: can't open device TEST_DIR/iotest-dirtylog-10G-4M.vhdx: VHDX image file
 === Verify open image replays log  ===
 read 18874368/18874368 bytes at offset 0
 18 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+=== Verify qemu-img check -r all replays log  ===
+The following inconsistencies were found and repaired:
+
+    0 leaked clusters
+    1 corruptions
+
+Double checking the fixed image now...
+No errors were found on the image.
+=== Verify open image read-only succeeds after log replay ===
+read 18874368/18874368 bytes at offset 0
+18 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 *** done