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Re: [PATCH] tools/virtiofsd: add support for --socket-group
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [PATCH] tools/virtiofsd: add support for --socket-group |
Date: |
Tue, 17 Mar 2020 18:47:04 +0000 |
User-agent: |
Mutt/1.13.3 (2020-01-12) |
* Stefan Hajnoczi (address@hidden) wrote:
> On Mon, Mar 16, 2020 at 10:33:31AM +0000, Daniel P. Berrangé wrote:
> > On Sat, Mar 14, 2020 at 02:33:25PM +0100, Marc-André Lureau wrote:
> > > Hi
> > >
> > > On Thu, Mar 12, 2020 at 11:49 AM Daniel P. Berrangé <address@hidden>
> > > wrote:
> > > >
> > > > On Thu, Mar 12, 2020 at 10:41:42AM +0000, Alex Bennée wrote:
> > > > > If you like running QEMU as a normal user (very common for TCG runs)
> > > > > but you have to run virtiofsd as a root user you run into connection
> > > > > problems. Adding support for an optional --socket-group allows the
> > > > > users to keep using the command line.
> > > >
> > > > If we're going to support this, then I think we need to put it in
> > > > the vhost-user.rst specification so we standardize across backends.
> > > >
> > > >
> > >
> > > Perhaps. Otoh, I wonder if the backend spec should be more limited to
> > > arguments/introspection that are used by programs.
> > >
> > > In this case, I even consider --socket-path to be unnecessary, as a
> > > management layer can/should provide a preopened & setup fd directly.
> > >
> > > What do you think?
> >
> > I think there's value in standardization even if it is an option targetted
> > at human admins, rather than machine usage. You are right though that
> > something like libvirt would never use --socket-group, or --socket-path.
> > Even admins would benefit if all programs followed the same naming for
> > these. We could document such options as "SHOULD" rather than "MUST"
> > IOW, we don't mandate --socket-group, but if you're going to provide a
> > way to control socket group, this option should be used.
>
> I agree. It's still useful to have a convention that most vhost-user
> backend programs follow.
Alex:
Can you add the doc entry that Stefan and Marc-André are asking
for; it's probably good they go together.
Dave
> Stefan
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
Re: [PATCH] tools/virtiofsd: add support for --socket-group, Stefan Hajnoczi, 2020/03/14