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[dm-devel] Re: IO scheduler based IO controller V10



On Fri, Oct 02, 2009 at 05:27:55PM +0200, Corrado Zoccolo wrote:
> On Fri, Oct 2, 2009 at 2:49 PM, Vivek Goyal <vgoyal redhat com> wrote:
> > On Fri, Oct 02, 2009 at 12:55:25PM +0200, Corrado Zoccolo wrote:
> >
> > Actually I am not touching this code. Looking at the V10, I have not
> > changed anything here in idling code.
> 
> I based my analisys on the original patch:
> http://lkml.indiana.edu/hypermail/linux/kernel/0907.1/01793.html
> 

Oh.., you are talking about fairness for seeky process patch. I thought
you are talking about current IO controller patches. Actually they both
have this notion of "fairness=1" parameter but do different things in 
patches, hence the confusion. 

Thanks
Vivek


> Mike, can you confirm which version of the fairness patch did you use
> in your tests?
> 
> Corrado
> 
> > Thanks
> > Vivek
> >


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