linux-kernel - Re: [External] Re: [PATCH] fuse: add hang check in request_wait

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Message-ID: <CAP4dvsf+XGJQFk_UrGFmgTPfkbchm_izjO31M9rQN+wYU=8zMA@mail.gmail.com>
Date: Wed, 24 Dec 2025 11:04:24 +0800
From: Zhang Tianci <zhangtianci.1997@...edance.com>
To: Joanne Koong <joannelkoong@...il.com>
Cc: miklos@...redi.hu, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, xieyongji@...edance.com, 
	zhujia.zj@...edance.com, Jiachen Zhang <zhangjiachen.jaycee@...edance.com>
Subject: Re: [External] Re: [PATCH] fuse: add hang check in request_wait_answer()

Hi Joanne,

Thanks your reply,

> Does setting a timeout on fuse requests suffice for what you need?
> That will detect deadlocks and abort the connection if so.
>
The timeout mechanism does not quite meet our expectations,
because the hang state of the FUSEDaemon may recover in some ways.
We only expect an alert for the hang event, after which we can manually
handle the FUSEDaemon and attempt to recover it or abort the connection.

Thanks,
Tianci