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SubjectRe: blk_congestion_wait racy?
Nick Piggin <piggin@cyberone.com.au> wrote:
>
> But I'm guessing that you have no requests in flight by the time
> blk_congestion_wait gets called, so nothing ever gets kicked.

That's why blk_congestion_wait() in -mm propagates the schedule_timeout()
return value. You can do:

if (blk_congestion_wait(...))
printk("ouch\n");
If your kernel says ouch much, we have a problem.
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