Re: [Qemu-devel] [PATCH v3 1/7] tests/qemu-iotests/005: Add a sanity check for large sparse file support

["Alex Bennée" <alex.bennee@linaro.org>]

Thomas Huth <thuth@redhat.com> writes:

> "check -raw 005" fails when running on certain filesystems - these do not
> support such large sparse files. Use the same check as in test 220 to
> skip the test in this case.
>
> Suggested-by: Eric Blake <eblake@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  tests/qemu-iotests/005 | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/tests/qemu-iotests/005 b/tests/qemu-iotests/005
> index 2fef63af88..9c7681c19b 100755
> --- a/tests/qemu-iotests/005
> +++ b/tests/qemu-iotests/005
> @@ -55,6 +55,15 @@ if [ "$IMGPROTO" = "sheepdog" ]; then
>      _notrun "image protocol $IMGPROTO does not support large image sizes"
>  fi
>
> +# Sanity check: For raw, we require a file system that permits the creation
> +# of a HUGE (but very sparse) file. Check we can create it before continuing.
> +if [ "$IMGFMT" = "raw" ]; then
> +    if ! truncate --size=5T "$TEST_IMG"; then
> +        _notrun "file system on $TEST_DIR does not support large enough files"
> +    fi
> +    rm "$TEST_IMG"
> +fi
> +
>  echo
>  echo "creating large image"
>  _make_test_img 5000G


--
Alex Bennée