On Mon, Sep 25, 2017 at 04:40:46PM +0800, Xiong Zhou wrote:
> Since not all devices support dax has struct page backend,
> which will not support this test.
>
> Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx>
> ---
> tests/generic/413 | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/tests/generic/413 b/tests/generic/413
> index a1cc514..b86c10f 100755
> --- a/tests/generic/413
> +++ b/tests/generic/413
> @@ -88,6 +88,14 @@ t_nondax_to_dax()
> t_dax_to_nondax()
> {
> prep_files
> + # dax to nondax dio needs struct page backend, which is
> + # not always avaiable among various devices. Skip this
> + # subtest if not compatible.
> + if ! src/t_mmap_dio $SCRATCH_MNT/tf_s \
> + $TEST_DIR/tf_d $1 "test" > /dev/null 2>&1 ; then
> + return
> + fi
> +
Then we will never get a failure from this case, even if it's a real
bug.. We need better way to tell if there's struct page present :)
Thanks,
Eryu
> src/t_mmap_dio $SCRATCH_MNT/tf_s \
> $TEST_DIR/tf_d $1 "dio dax to nondax"
>
> --
> 1.8.3.1
>
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