On Fri, 1 Nov 2002, Andrew Morton wrote:
> > + preempt_disable();
> > + rq = this_rq();
> > + atomic_inc(&rq->nr_iowait);
> > + schedule();
> > + atomic_dec(&rq->nr_iowait);
> > + preempt_enable();
> "scheduling while atomic".
Point.
> You'll need to reacquire the runqueue pointer on waking up.
No. It makes sense to decrement the same counter that was
incremented before.
regards,
Rik
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