linux-kernel - Re: [PATCH v3 0/3] fuse: Expose more information of fuse backing files to userspace

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Message-ID: <CAJnrk1a00+TyWRGSMr1sOdy02KKL=AmmhRc2UZCiQ5s66Ga5zA@mail.gmail.com>
Date: Thu, 15 May 2025 12:02:10 -0700
From: Joanne Koong <joannelkoong@...il.com>
To: Chen Linxuan <chenlinxuan@...ontech.com>
Cc: Miklos Szeredi <miklos@...redi.hu>, Amir Goldstein <amir73il@...il.com>, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Bernd Schubert <bernd.schubert@...tmail.fm>
Subject: Re: [PATCH v3 0/3] fuse: Expose more information of fuse backing
 files to userspace

On Wed, May 14, 2025 at 8:17 PM Chen Linxuan <chenlinxuan@...ontech.com> wrote:
>
> On Thu, May 15, 2025 at 7:04 AM Joanne Koong <joannelkoong@...il.com> wrote:
>
> > But I guess one advantage of doing it in sysfs is that it'll work for
> > unprivileged servers whereas I think with /var/run/, there needs
> > to be elevated permissions to write to anything in that directory path.
>
> I suggest something like $XDG_RUNTIME_DIR/libfuse for unprivileged servers.
> It usually is something like /var/run/user/1000/libfuse.

Cool, I think this works then.

Thanks,
Joanne
>
> Thanks,
> Chen Linxuan