Re: [RFC][PATCH 2/4] sunrpc: Use utsnamespaces

From: J. Bruce Fields
Date: Tue Jan 06 2009 - 18:33:04 EST


On Tue, Jan 06, 2009 at 06:15:34PM -0500, Trond Myklebust wrote:
> On Tue, 2009-01-06 at 15:04 -0800, Eric W. Biederman wrote:
> > That implies to me you want to capture the value at mount time, and to
> > pass it in to the rpc_call creation, and only at very specific well
> > defined points where we interact with user space should we examine
> > current->utsname(). At which point there should be no question
> > of current->utsname() is valid as the user space process is alive.
>
> Why pretend that the filesystem is owned by a particular namespace? It
> can, and will be shared among many containers...

If the only purpose of this is to fill in the auth_unix cred then
shouldn't it be part of whatever cred structures are passed around?

But I doubt it's that important to get it right.

--b.
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