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DateWed, 25 Apr 2007 19:15:40 +0200
FromJens Axboe <>
SubjectRe: [PATCH 5/15] cfq-iosched: speed up rbtree handling
On Wed, Apr 25 2007, Alan D. Brunelle wrote:
> Hi Jens -
>
> The attached patch speeds it up even more - I'm finding a >9% reduction
> in %system with no loss in IO performance. This just sets the cached
> element when the first is looked for.

Interesting, good thinking. It should not change the IO pattern, as the
end result should be the same. Thanks Alan, will commit!

I'll give elevator.c the same treatment, should be even more beneficial.
Stay tuned for a test patch.

--
Jens Axboe

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