Subject: Re: comparing raid-like filesystems
To: Martin J. Laubach <mjl@usenet-2002-07.emsi.priv.at>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: current-users
Date: 02/02/2003 15:03:29
On Sun, Feb 02, 2003 at 01:31:25PM +0000, Martin J. Laubach wrote:
> | Sorry, I miss remembered. The limit for IDE is 128k, not 64 (and much highter
> | with the extended read/write commands).
>
> So basically we want either
>
> (a) a (much?) larger MAXPHYS
>
> (b) no MAXPHYS at all and let the low level driver deal with
> segmenting large requests if necessary
(c) a per-device MAXPHYS
I had patches for this at one time, but it was before UVM and UBC.
I have plans to look at this again
--
Manuel Bouyer <bouyer@antioche.eu.org>
NetBSD: 24 ans d'experience feront toujours la difference
--