Re: blk_congestion_wait racy?

[Andrew Morton]

Nick Piggin <piggin@xxxxxxxxxxxxxxx> 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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