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Message-ID: <db4ed4e5-7c23-468d-8bac-cee215ace19e@fastmail.fm>
Date: Thu, 20 Jun 2024 23:40:41 +0200
From: Bernd Schubert <bernd.schubert@...tmail.fm>
To: Haifeng Xu <haifeng.xu@...pee.com>, Christian Brauner
<brauner@...nel.org>, Miklos Szeredi <miklos@...redi.hu>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] fuse: do not generate interrupt requests for fatal signals
On 6/20/24 08:43, Haifeng Xu wrote:
>
>
> On 2024/6/17 15:25, Christian Brauner wrote:
>> On Fri, Jun 14, 2024 at 12:01:39PM GMT, Miklos Szeredi wrote:
>>> On Thu, 13 Jun 2024 at 12:44, Haifeng Xu <haifeng.xu@...pee.com> wrote:
>>>
>>>> So why the client doesn't get woken up?
>>>
>>> Need to find out what the server (lxcfs) is doing. Can you do a
>>> strace of lxcfs to see the communication on the fuse device?
>>
>> Fwiw, I'm one of the orignal authors and maintainers of LXCFS so if you
>> have specific questions, I may be able to help.
>
> Thanks. All server threads of lcxfs wokrs fine now.
>
> So can we add another interface to abort those dead request?
> If the client thread got killed and wait for relpy, but the fuse sever didn't
> send reply for some unknown reason,we can use this interface to wakeup the client thread.
Isn't that a manual workaround? I.e. an admin or a script needs to trigger it?
There is a discussion in this thread to add request timeouts
https://lore.kernel.org/linux-kernel/20240605153552.GB21567@localhost.localdomain/T/
I guess for interrupted requests that would be definitely a case where timeouts could be
applied?
Thanks,
Bernd
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