Re: [PATCH 2/5] writeback: dirty position control

[Wu Fengguang]

On Fri, Aug 12, 2011 at 05:47:54PM +0800, Peter Zijlstra wrote:
> On Fri, 2011-08-12 at 10:43 +0800, Wu Fengguang wrote:
> > >                s - x 3
> > >  f(x) :=  1 + (-----)
> > >                l - s
> > 
> 
> > Looks very neat, much simpler than the three curves solution!
> 
> Glad you like it, there is of course the small matter of real-world
> behaviour to consider, lets hope that works as well :-)

It magically meets all the criteria in my mind, not to mention it can
eliminate 2 extra patches. As for the tests, so far, so good :)

Your arithmetics are awesome!

Thanks,
Fengguang
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