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SubjectRe: [PATCH 2/5] writeback: dirty position control
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On Fri, 2011-08-12 at 00:56 +0200, Peter Zijlstra wrote:
>
> s - x 3
> f(x) := 1 + (-----)
> d
>
btw, if you want steeper slopes for rampup and brake you can add another
factor like:

s - x 3
f(x) := 1 + a(-----)
d
And solve the whole f(l)=0 thing again to determine d in l and a.

For 0 < a < 1 the slopes increase.


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