linux-kernel - Re: [PATCH 2/3] fuse: Add negative_dentry

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Message-ID: <CAJfpegton83boLEL7n-Tf6ON4Nq_g2=mTus7vhX2n0C+yuUC4w@mail.gmail.com>
Date:   Tue, 20 Jun 2023 21:28:32 +0200
From:   Miklos Szeredi <miklos@...redi.hu>
To:     Keiichi Watanabe <keiichiw@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, mhiramat@...gle.com,
        takayas@...omium.org, drosen@...gle.com, sarthakkukreti@...gle.com,
        uekawa@...omium.org, Jonathan Corbet <corbet@....net>,
        linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 2/3] fuse: Add negative_dentry_timeout option

On Tue, 20 Jun 2023 at 17:14, Keiichi Watanabe <keiichiw@...omium.org> wrote:
>
> Add `negative_dentry_timeout` mount option for FUSE to cache negative
> dentries for the specified duration.

This is already possible, no kernel changes needed.  See e.g.
xmp_init() in libfuse/example/passthrough.c.

Thanks,
Miklos