Subject: Re: RFC: MSDOS write performance fixup (upto 6x)
To: Reinoud Zandijk <>
From: Juan RP <>
List: tech-kern
Date: 10/25/2007 22:44:46
On Thu, 25 Oct 2007 22:38:28 +0200
Reinoud Zandijk <> wrote:

> Dear folks,
> it came to my attention that the buffer cache has been tweaked by yamt 
> (AFAIR) to better anticipate on write actions. FFS has been taken care of i 
> noticed but msdosfs wasn't.
> Attached are the patches i made and tested for msdosfs and a simple 
> bonnie++ testrun though it test size should have been much higher on this 
> machine...
> anyway, please review this patch and look at the attached bonnie output. I 
> did check if there were corruptions, but i couldn't find any.

Wow, the results are impressive. Good work! 

Juan Romero Pardines 	- The NetBSD Project 	- NetBSD/pkgsrc news in Spanish