netdev - Re: [B.A.T.M.A.N.] [PATCH 04/10] batman-adv: export compatibility version via debugfs

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Message-ID: <5268262.CIrZ93ERtB@bentobox>
Date:	Mon, 19 Nov 2012 20:29:07 +0100
From:	Sven Eckelmann <sven@...fation.org>
To:	b.a.t.m.a.n@...ts.open-mesh.org
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	Antonio Quartulli <ordex@...istici.org>,
	netdev@...r.kernel.org, Marek Lindner <lindner_marek@...oo.de>,
	davem@...emloft.net
Subject: Re: [B.A.T.M.A.N.] [PATCH 04/10] batman-adv: export compatibility version via debugfs

On Monday 19 November 2012 18:52:30 Ben Hutchings wrote:
> On Mon, 2012-11-19 at 09:24 +0100, Antonio Quartulli wrote:
> > Different versions of the batman-adv module may use the same compatibility
> > version, but this is not understandable at runtime (the only way is to
> > parse the kernel log and fetch the batman-adv advertisement message on
> > loading). The user may want to know whether two nodes using different
> > versions can communicate or not. For this purpose the module has to
> > export this value through debugfs.
> [...]
> 
> I do hope that you're not planning to use unstable debugfs interfaces
> indefinitely.

Why are you refering to the adding of an file as "incompatible" debugfs 
interface? I would call it additional information. And the rest of the commit 
message is talking about *possible* protocol incompatibilies of the network 
protocol (which caused this uncontrolled erruption of anger in a network 
maintainer).

Kind regards,
	Sven
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