Re: [PATCH v7 0/1] selftests/landlock: fix test when overlayfs is

[Jeff Xu <jeffxu@google.com>]

Not sure why the subject is still showing V6, even though this is the
cover letter for V7,
and I checked the original patch, it is V7 in the subject line.

On Thu, Dec 29, 2022 at 1:14 PM <jeffxu@chromium.org> wrote:
>
> From: Jeff Xu <jeffxu@google.com>
>
> Overlayfs can be disabled in kernel config, causing related tests to
> fail. Adding a check for overlayfs’s supportability at runtime,
> so we can call SKIP() when needed.
>
> v7:
> Fix bug in supports_overlayfs().
> Manual test with kernel with and without overlayfs.
>
> v6: https://lore.kernel.org/all/20221229201215.3006512-1-jeffxu@google.com/
> In v4, the SKIP() was applied at FIXTURE_SETUP() after mount() fail,
> however, FIXTURE_TEARDOWN() will fail. It might be complicated
> for test infra or testcase itself to have cleanup code handing the
> success/failure of steps in SETUP().
>
> This patch changes the approach, it calls supports_overlay() and SKIP()
> at the beginning of FIXTURE_SETUP(), FIX_TEARDOWN(), TEST_F_FORK().
> Because no modification of system is done by the test, cleanup is not
> needed.
>
> v4:
> https://lore.kernel.org/all/20220823010216.2653012-1-jeffxu@google.com/
>
> Jeff Xu (1):
>   selftests/landlock: skip overlayfs test when kernel not support it
>
>  tools/testing/selftests/landlock/fs_test.c | 51 ++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>
>
> base-commit: 963a70bee5880640d0fd83ed29dc1e7ec0d2bd4a
> --
> 2.39.0.314.g84b9a713c41-goog
>