netdev - Re: [PATCH 3/6] pkt_sched: sch_generic: Add generic qdisc->ops->peek() implementation.

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Message-ID: <48F73159.4060700@trash.net>
Date:	Thu, 16 Oct 2008 14:19:37 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jarek Poplawski <jarkao2@...il.com>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: [PATCH 3/6] pkt_sched: sch_generic: Add generic qdisc->ops->peek()
 implementation.

Jarek Poplawski wrote:
> pkt_sched: sch_generic: Add generic qdisc->ops->peek() implementation.
> 

> +	if (qops->peek == NULL)
> +		qops->peek = noop_qdisc_ops.peek;
>  	if (qops->dequeue == NULL)
>  		qops->dequeue = noop_qdisc_ops.dequeue;

->dequeue and ->peek are somewhat tied together, so I think we should
only use the noop variants if both are unset. Whether this should be
checked here of before merging new qdiscs is a different question of
course :)
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