Subject: Re: RFC: MSDOS write performance fixup (upto 6x)
To: Reinoud Zandijk <reinoud@NetBSD.org>
From: Juan RP <juan@xtrarom.org>
List: tech-kern
Date: 10/25/2007 22:44:46
On Thu, 25 Oct 2007 22:38:28 +0200
Reinoud Zandijk <reinoud@NetBSD.org> 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
http://plog.xtrarom.org - NetBSD/pkgsrc news in Spanish