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 <f...@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
