[Qemu-devel] [PATCH v3 5/6] qemu-iotests: Force qcow2 in error path test in 048

[Fam Zheng <famz@redhat.com>]

The "raw" doesn't always work on certain file systems (e.g. tmpfs). Use
qcow2 to make the allocation status explicit.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 tests/qemu-iotests/048 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/048 b/tests/qemu-iotests/048
index 9def7fc..0fb5d2c 100755
--- a/tests/qemu-iotests/048
+++ b/tests/qemu-iotests/048
@@ -88,7 +88,13 @@ event = "read_aio"
 errno = "5"
 once ="off"
 EOF
-_make_test_img $size
+if [ "$IMGFMT" = "raw" ]; then
+    # For raw the allocation status for new image depends on file system, force
+    # qcow2 in this case, since the tested code is in block layer
+    IMGFMT=qcow2 _make_test_img $size | _filter_imgfmt
+else
+    _make_test_img $size | _filter_imgfmt
+fi
 cp "$TEST_IMG" "$TEST_IMG2"
 io_pattern write 512 512 0 1 102
 TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" _compare 2>&1 |\
-- 
1.8.4.2