netdev - Re: [PATCH] RDS: Add AF and PF defines for RDS sockets

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Date:	Thu, 11 Sep 2008 14:54:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andy.grover@...il.com
Cc:	dwmw2@...radead.org, marcel@...tmann.org, netdev@...r.kernel.org
Subject: Re: [PATCH] RDS: Add AF and PF defines for RDS sockets

From: "Andrew Grover" <andy.grover@...il.com>
Date: Thu, 11 Sep 2008 11:44:39 -0700

> (reviving an old thread, new comments at bottom)
> 
> On Thu, Aug 28, 2008 at 12:24 AM, David Miller <davem@...emloft.net> wrote:
> > From: David Woodhouse <dwmw2@...radead.org>
> > Date: Thu, 28 Aug 2008 08:06:40 +0100
> >
> >> On Mon, 2008-08-25 at 21:29 -0700, David Miller wrote:
> >> > From: Marcel Holtmann <marcel@...tmann.org>
> >> > Date: Tue, 26 Aug 2008 06:16:28 +0200
> >> >
> >> > > and where is the protocol? Adding new constants without posting the
> >> > > implementation normally doesn't fly anymore.
> >> >
> >> > That's correct :)
> >>
> >> That's kind of unfortunate, and leads to the problems we have with
> >> compatibility for AF_ISDN, where userspace built for the _older_
> >> versions has a different value.
> >>
> >> Is there really any harm in reserving it up-front?
> >
> > If you're commiting a userspace to a kernel component
> > that hasn't been blessed upstream yet, you're already
> > up the creek without a paddle.
> 
> The RDS protocol is already in production use by Oracle, and has been
> in the OFED distribution for a long time. It's under active
> development, and we'll be submitting it soon for mainline.

So?!??!  Upstream doesn't give a crap about what someone is happening
internally.  It doesn't matter, it's irrelevant.

> We just want a number now so userspace can start doing things
> correctly right away.

N-O spells "no".
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