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

From: Eric W. Biederman
Date: Fri Feb 20 2015 - 13:10:46 EST


"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.

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.

Eric
--
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/