From: Jarek Poplawski <jarkao2@gmail.com>
Date: Fri, 19 Sep 2008 16:44:50 +0200

quoted text
> pkt_sched: Fix TX state checking in qdisc_run()
> 
> Current check wrongly uses the state of the first tx queue for all tx
> queues in case of non-default qdiscs. This patch brings back per dev
> __LINK_STATE_XOFF flag, which is set when all tx queues are stopped.
> This check is needed in qdisc_run() to avoid useless __netif_schedule()
> calls. The wrongness of this check was first noticed by Herbert Xu.
> 
> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>

I'm dropping this and the patches in the ->smart_requeue thread as well.

It simply isn't crystal clear how to proceed at this point.
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