netdev - RE: Question: how to detect if a qdisc is root or not?

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Message-ID: <D5C1322C3E673F459512FB59E0DDC3290340F8AF@orsmsx414.amr.corp.intel.com>
Date:	Wed, 18 Jul 2007 16:42:12 -0700
From:	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
To:	"Patrick McHardy" <kaber@...sh.net>
Cc:	<netdev@...r.kernel.org>
Subject: RE: Question: how to detect if a qdisc is root or not?

> Its set after grafting the parent, which is after initialization.
> I think what should work is to set it in qdisc_create 
> instead, sch_api.c around line 490:
> 
> +	sch->parent = handle;
> 
>         if (handle == TC_H_INGRESS) {
>                 sch->flags |= TCQ_F_INGRESS;
>                 sch->stats_lock = &dev->ingress_lock; ...
> 
> and remove the initialization in qdisc_graft. That would 
> additionally have the benefit that ingress qdiscs also have 
> it initialized properly.

That's where I'm messing around right now, and I did see that.  Let me
put it in and test.  If all is well, I'll post a patch.

Thanks for the help Patrick.

-PJ Waskiewicz
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