Re: [RFC]block: add flush request at head

[Shaohua Li]

On Mon, 2011-04-25 at 16:21 +0800, Tejun Heo wrote:
> Hello, Shaohua.
> 
> On Mon, Apr 25, 2011 at 09:01:59AM +0800, Shaohua Li wrote:
> > this is a regression from 2.6.39-rc2 compared to 2.6.39-rc1, so this
> > isn't related to the flush rewritten. Workload is sysbench fileio,
> > please see the first mail at the thread for detail.
> 
> Understood.  Let's talk on the other thread.
This issue isn't related to the optimization patch in another thread.
And that patch can't recover the regression, which does improve
throughput even without the regression. So please look at issue again.

Thanks,
Shaohua


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