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SubjectRe: Disk priorities...


On Sun, 1 Oct 2000, Rik van Riel wrote:

> On Sun, 1 Oct 2000, LA Walsh wrote:
>
> > Forgive me if this has been asked before, but has there ever
> > been any thought of having a 'nice' value for disk accesses?.
>
> Not currently, but it would be trivial to adjust the maximum
> elevator sorting latency according to the niceness of the
> process. I have no idea how much this would help, though ...

What process? By the time when bh hits the ll_rw_block() originating
process may be dead. And if you mean reads... Good luck propagating the
originator information.

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