linux-kernel - Re: [RFC][PATCH 0/9] Network receive deadlock prevention for NBD

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Message-Id: <20060809.165431.118952392.davem@davemloft.net>
Date:	Wed, 09 Aug 2006 16:54:31 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	a.p.zijlstra@...llo.nl
Cc:	johnpol@....mipt.ru, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	phillips@...gle.com
Subject: Re: [RFC][PATCH 0/9] Network receive deadlock prevention for NBD

From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date: Wed, 09 Aug 2006 15:32:33 +0200

> The idea is to drop all !NFS packets (or even more specific only
> keep those NFS packets that belong to the critical mount), and
> everybody doing critical IO over layered networks like IPSec or
> other tunnel constructs asks for trouble - Just DON'T do that.

People are doing I/O over IP exactly for it's ubiquity and
flexibility.  It seems a major limitation of the design if you cancel
out major components of this flexibility.

I really can't take this work seriously when I see things like this
being said.
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