Re: [PATCH v3 00/12] man2: document "new" mount API

Aleksa Sarai <cyphar-gVpy/LI/[email protected]> Thu, 21 Aug 2025 21:49:18 +1000
Newsgroups gmane.linux.kernel.api,gmane.linux.file-systems,gmane.linux.kernel,gmane.linux.man,gmane.linux.kernel.autofs
Message-ID <2025-08-21.1755776865-swank-rusted-doorbell-brads-U3HJFf@cyphar.com>
On 2025-08-20, Askar Safin <safinaskar-yBVup5oSL51Wk0Htik3J/[email protected]> wrote:
>  ---- On Sun, 17 Aug 2025 20:16:04 +0400  Aleksa Sarai <cyphar-gVpy/LI/[email protected]> wrote --- 
>  > They are not tested by fstests AFAICS, but that's more of a flaw in
>  > fstests (automount requires you to have a running autofs daemon, which
>  > probably makes testing it in fstests or selftests impractical) not the
>  > feature itself.
> 
> I suggest testing automounts in fstests/selftests using "tracing" automount.
> This is what I do in my reproducers.
> 
>  > The automount behaviour of tracefs is different to the general automount
>  > mechanism which is managed by userspace with the autofs daemon.
> 
> Yes. But I still was able to write reproducers using "tracing", so this
> automount point is totally okay for tests. (At least for some tests,
> such as RESOLVE_NO_XDEV.)

Sure, but I don't think people use allyesconfig when running selftests.
I wonder if the automated test runners even enable deprecated features
like that.

In any case, you can definitely write some tests for it. :D

-- 
Aleksa Sarai
Senior Software Engineer (Containers)
SUSE Linux GmbH
https://www.cyphar.com/
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