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

Peter Zijlstra
2011-08-12T12:54:48Z

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.