On Tue, Jun 12 2007, Fengguang Wu wrote:
> Andrew,
>
> The two patches optimizes readahead invocations in splice reads:
>
> readahead: move synchronous readahead call out of splice loop
> readahead: pass real splice size
>
> They can be appended to readahead-convert-splice-invocations.patch in
> -mm tree.
Patches look nice, but unfortunately only -mm stuff and will need to be
rebased once 2.6.23 opens anyway.
Where are we on the ondemand read-ahead merging? -mm has continually had
different read-ahead code than mainline now for seemingly years, seems a
bit pointless to me. Either we get the stuff merged, or toss it out.
Nothing needs to simmer that long.
I suspect we wont see any real potential regressions before it hits
mainline anyway.
--
Jens Axboe
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