Re: [RFC PATCH 5/8] KEYS: exec request-key within the requesting task's init namespace

[Jeff Layton]

On Fri, 20 Feb 2015 12:07:15 -0600
ebiederm@xxxxxxxxxxxx (Eric W. Biederman) wrote:

> "J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes:
> 
> > On Fri, Feb 20, 2015 at 05:33:25PM +0800, Ian Kent wrote:
> 
> >> The case of nfsd state-recovery might be similar but you'll need to help
> >> me out a bit with that too.
> >
> > Each network namespace can have its own virtual nfs server.  Servers can
> > be started and stopped independently per network namespace.  We decide
> > which server should handle an incoming rpc by looking at the network
> > namespace associated with the socket that it arrived over.
> >
> > A server is started by the rpc.nfsd command writing a value into a magic
> > file somewhere.
> 
> nit.  Unless I am completely turned around that file is on the nfsd
> filesystem, that lives in fs/nfsd/nfs.c. 
> 

Correct.

> So I bevelive this really is a case of figuring out what we want the
> semantics to be for mount and propogating the information down from
> mount to where we call the user mode helpers.
> 

Hmmm. I'm a little confused here. Are you saying that the namespace for
nfsd's upcalls umh ought to be derived from the process that did the
initial mount of /proc/fs/nfsd ?

-- 
Jeff Layton <jeff.layton@xxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/