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Re: ReiserFS reading performance patch


From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: ReiserFS reading performance patch
Date: Tue, 01 May 2012 19:59:49 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.3) Gecko/20120329 Icedove/10.0.3

On 27.04.2012 16:05, Albert Zeyer wrote:
> Hi,
>
> A while ago, I improved the grub-mount patches a bit. Mostly:
You've based your work on abandonded branch. All grub-mount parts were
merged back in trunk a long time ago. At least half of the work you've
done was unnecessary with newer version.
> * Write a simplified compile.py script.
Custom compile scripts are likely to break often. If there were any
problem in our compile scripts for your platform it's better to announce
it here.
> * Remove nested functions. They don't work on Mac because of stack
> execution protection.
As I said, your approach isn't just ugly it results in bugs.
> * Improve ReiserFS reading performance.
I wrote reiserfs caching a long time ago but it didn'tmake any sizeable
difference. As for making offset search a logarithmic, here is a patch
by few simple modifications of get_item.


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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