Re: [PATCH] Improve heuristic detecting sequential reads

[WU Fengguang]

On Tue, Apr 10, 2007 at 04:45:40PM -0700, Andrew Morton wrote:
> On 11 Apr 2007 00:56:51 +0200
> Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> 
> > There's a much more complete patchkit for this that gets reposted
> > regularly on l-k. Perhaps it would make sense to test that first?
> 
> adaptive readahead?  Has been in -mm for a year.  Problem is, it is
> _so_ complete that I just don't know how to merge it.  It's huge, and
> only Wu understands it. So it's really rather stuck.

Yeah, it is.

I'll come up with a minimal patch to first simplify the current
readahead algorithm. The code is ready, if ignoring the document ;-)

Wu
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