Re: 2.6.10-rc2-bk7 - Badness in cfq_put_request at drivers/block/cfq-iosched.c:1402

[Christopher S. Aker]

> Can you try this simple check to see if it triggers anything?
>
> ===== cfq-iosched.c 1.13 vs edited =====
> --- 1.13/drivers/block/cfq-iosched.c 2004-10-30 01:35:21 +02:00
> +++ edited/cfq-iosched.c 2004-11-24 14:40:13 +01:00
> @@ -1389,6 +1389,8 @@
>   struct cfq_data *cfqd = q->elevator->elevator_data;
>   struct cfq_rq *crq = RQ_DATA(rq);
>
> + WARN_ON(!spin_is_locked(q->queue_lock));
> +
>   if (crq) {
>   struct cfq_queue *cfqq = crq->cfq_queue;

I'd be happy to, but I won't have a free machine for a couple of days.  I'll can
probably give it a shot during the weekend...

-Chris

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