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Date: Mon, 20 Jun 2011 18:25:55 +0400
From: Solar Designer <>
Subject: Re: [RFC 2/5 v4] procfs: add hidepid= and gid= mount options


On Mon, Jun 20, 2011 at 06:19:51PM +0400, Vasiliy Kulikov wrote:
> On Mon, Jun 20, 2011 at 18:11 +0400, Solar Designer wrote:
> > On Mon, Jun 20, 2011 at 04:58:10PM +0300, Alexey Dobriyan wrote:
> > > gid= is bad choice because
> > > a) e. g. VFAT uses uid=/gid= mount options to make all inodes to have
> > > certain uid/gid
> > > b) uid=/gid=, IIRC, will be added as generic VFS mount options (like ro)
> > >    with semantics described in a)
> > > 
> > > so having different semantics for /proc won't be good.
> > 
> > I lost track of your proposals/patches.  Aren't you currently proposing
> > that gid= would make all inodes have the specified gid?  If not, why
> > not?  Such semantics sound fine to me.  That's what gid= does on procfs
> > on Linux 2.4.x-ow.
> With taskstats and similar mechanisms IMO it's better to use sysctls
> instead of procfs mount options as it would influence not only on procfs
> files.

OK, but why did we receive a comment about the gid= mount option then
(quote above)?  Are you still proposing it or not anymore?  Is the
question "outdated" (resulting from your earlier proposal, not the
latest one)?



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