netdev - Re: [PATCH][NET_SCHED] sch_sfq: prevent unnecessary reordering

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Date:	Mon, 28 Apr 2008 02:03:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jarkao2@...il.com
Cc:	kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH][NET_SCHED] sch_sfq: prevent unnecessary reordering

From: Jarek Poplawski <jarkao2@...il.com>
Date: Mon, 28 Apr 2008 09:04:53 +0000

> On 27-04-2008 16:22, Jarek Poplawski wrote:
> > [NET_SCHED] sch_sfq: fix queue limiting while enqueuing
> > 
> 
> David, as Patrick noticed this patch was wrong and I withdraw it.

Yes, I was following the discussion.  But thanks for the
confirmation :-)

> I still can't see why sfq should have such a low limit, but I think,
> there is at least something to improve in the way it's imposed. BTW,
> my previous idea to check this before classifying was wrong too. But,
> IMHO, this could be done better than now like in this patch.
 ...
> [NET_SCHED] sch_sfq: prevent unnecessary reordering
> 
> Current check of queue limit in sfq_enqueue() isn't optimal: there
> is really not much more needed to prevent unnecessary dropping and
> possible reordering.
> 
> 
> Signed-off-by: Jarek Poplawski <jarkao2@...il.com>

I'll let Patrick review this one first, too.
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