netdev - Re: [PATCH][NET_SCHED] sch_htb: turn intermediate classes into leaves

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Date:	Thu, 30 Nov 2006 13:50:40 +0100
From:	Jarek Poplawski <jarkao2@...pl>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	netdev@...r.kernel.org, Martin Devera <devik@....cz>
Subject: Re: [PATCH][NET_SCHED] sch_htb: turn intermediate classes into leaves

On Thu, Nov 30, 2006 at 01:26:34PM +0100, Patrick McHardy wrote:
> Jarek Poplawski wrote:
> > [NET_SCHED] sch_htb:
> > 
> > [PATCH 2.6.19-rc6 with "Fix endless loops" set of patches]
> > 
> > - turn intermediate classes into leaves again when their
> >   last child is deleted (struct htb_class changed)
> 
> Looks good to me too, but it still seems to be missing
> class level adjustment after deletion. The classification
> function refuses to queue packets to classes with level > 0.

+static void htb_parent_to_leaf(struct htb_class *cl, struct Qdisc *new_q)
+{
+	struct htb_class *parent = cl->parent;
+
+	BUG_TRAP(!cl->level && cl->un.leaf.q && !cl->prio_activity);
+
+	parent->level = 0;

I've thought this is enough, but probably you mean something
else? 

Jarek P.
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