On Thu, Sep 11, 2008 at 03:39:56AM -0700, David Miller wrote:

I got to looking into this and we do need the qdisc->dev_queue member,
see qdisc_run().  So it's not like we can get rid of it if we replace
it with ->netdevdev and add a ->root_qdisc backpointer as well.

That can't be right.  Let's I've got a single qdisc shared by
n queues.  It makes no sense for qdisc_run to decide to whether
it should process the qdisc depending on the status of a single
one out of the n queues.

Cheers,
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