Re: [PATCH] writeback: account IO throttling wait as iowait

[Jens Axboe]

On Fri, Oct 09 2009, Wu Fengguang wrote:
> On Fri, Oct 09, 2009 at 06:41:05PM +0800, Jens Axboe wrote:
> > > ---
> > > writeback: account IO throttling wait as iowait
> > > 
> > > It makes sense to do IOWAIT when someone is blocked
> > > due to IO throttle, as suggested by Kame and Peter.
> > > 
> > > There is an old comment for not doing IOWAIT on throttle,
> > > however it has been mismatching the code for a long time.
> > > 
> > > If we stop accounting IOWAIT for 2.6.32, it could be an
> > > undesirable behavior change. So restore the io_schedule.
> > 
> > Thanks, queued up.
> 
> Thank you. Would you also pick up this one if it's OK to you?

Sure, looks appropriate.

-- 
Jens Axboe

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