[Qemu-block] [PATCH 2/1] qemu-iotests: Test backing_fmt with backing node reference

[Kevin Wolf]

This changes test case 191 to include a backing image that has
backing_fmt set in the image file, but is referenced by node name in the
qemu command line.

Signed-off-by: Kevin Wolf <address@hidden>
---
 tests/qemu-iotests/191     | 5 +++--
 tests/qemu-iotests/191.out | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tests/qemu-iotests/191 b/tests/qemu-iotests/191
index ac2b88fd78..00202efd47 100755
--- a/tests/qemu-iotests/191
+++ b/tests/qemu-iotests/191
@@ -56,9 +56,10 @@ echo === Preparing and starting VM ===
 echo
 
 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
-TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
+IMGOPTS=$(_optstr_add "$IMGOPTS" "backing_fmt=$IMGFMT") \
+    TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base" $size
 _make_test_img -b "${TEST_IMG}.mid"
-TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
+TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid" $size
 
 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
 
diff --git a/tests/qemu-iotests/191.out b/tests/qemu-iotests/191.out
index 7bfcd2d5d8..6157fa520f 100644
--- a/tests/qemu-iotests/191.out
+++ b/tests/qemu-iotests/191.out
@@ -3,7 +3,7 @@ QA output created by 191
 === Preparing and starting VM ===
 
 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
-Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 
backing_file=TEST_DIR/t.IMGFMT.base
+Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=67108864 
backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 
backing_file=TEST_DIR/t.IMGFMT.mid
 Formatting 'TEST_DIR/t.IMGFMT.ovl2', fmt=IMGFMT size=67108864 
backing_file=TEST_DIR/t.IMGFMT.mid
 wrote 65536/65536 bytes at offset 1048576
-- 
2.13.6