Re: [PATCH 2/6] iotests: Skip test 079 if it is not possible to create large files

[Philippe Mathieu-Daudé]

On 11/19/19 6:08 PM, Thomas Huth wrote:
> Test 079 fails in the arm64, s390x and ppc64le LXD containers, which
> apparently do not allow large files to be created. Test 079 tries to
> create a 4G sparse file, so check first whether we can really create
> such files before executing the test.
>
> Signed-off-by: Thomas Huth <address@hidden>
> ---
>   tests/qemu-iotests/079 | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/tests/qemu-iotests/079 b/tests/qemu-iotests/079
> index 81f0c21f53..e9b81419b7 100755
> --- a/tests/qemu-iotests/079
> +++ b/tests/qemu-iotests/079
> @@ -39,6 +39,12 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
>   _supported_fmt qcow2
>   _supported_proto file nfs
>   
> +# Some containers (e.g. non-x86 on Travis) do not allow large files
> +if ! truncate --size=4G "$TEST_IMG"; then

Shouldn't we restrict that to Travis-CI by checking some environment var?

> +    _notrun "file system on $TEST_DIR does not support large enough files"
> +fi
> +rm "$TEST_IMG"
> +
>   echo "=== Check option preallocation and cluster_size ==="
>   echo
>   cluster_sizes="16384 32768 65536 131072 262144 524288 1048576 2097152 4194304"