Re: [PATCH 2/2] selftests: add OFD lock tests

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On Thu, Jun 22, 2023 at 10:31:06PM +0500, stsp wrote:
> 22.06.2023 22:12, Chuck Lever III пишет:
> > I don't have a strong preference. A good choice is to
> > push the test before the kernel changes are merged.
> It will fail though w/o kernel changes.
> So what exactly is the policy?

filesystem unit test functionality needs to be pushed into fstests
and/or ltp. The preference is the former, because just about every
filesystem developer and distro QA team is running this as part of
their every-day testing workflow.

fstests is written to probe whether the kernel supports a given
feature or not before testing it. It will _not_run() a test that
doesn't have the required kernel/fs/device support, and this is not
considered a test failure.

Yes, it means you have to also write the userspace feature probing
code, but that should be trivial to do because userspace already has
to be able to safely discover that this extension exists, right?

Dave Chinner

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