Hello Trond,
On Mon, Nov 4, 2024 at 7:04 PM Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> wrote:
> … [skip]
> I suspect it might be commit b571cfcb9dca ("nfs: don't reuse partially
> completed requests in nfs_lock_and_join_requests").
> That patch appears to assume that if one request is complete, then the
> others will complete too before unlocking. I don't think that is a
> valid assumption, since other requests could hit a non-fatal error or a
> short write that would cause them not to complete.
>
> So can you please try reverting only that patch and seeing if that
> fixes the problem?
In our environment, reverting the mentioned patch helps to fix the
issue (and does not cause any other issues so far).
If you will have patches to test in the future, happy to do so.
