Subject: Re: disks write-back cache
To: Sean Davis <>
From: Manuel Bouyer <>
List: tech-kern
Date: 04/27/2003 15:10:42
On Sat, Apr 26, 2003 at 12:22:02PM -0400, Sean Davis wrote:
> On Sat, Apr 26, 2003 at 06:05:27PM +0200, Manuel Bouyer wrote:
> <snip>
> > So, should I add a check to the sd or wd drivers to print a warning (dependant
> > on a compile-time option) when a disk with write-back cache enabled is probed ?
> > Or maybe put it in the filesystem layer, at mount time ?
> I think this would be useful. However, I think it would be much more useful
> if you would add dkctl(8) support to wd, so those of us who don't have scsi
> can disable write-back cache if they so desire.

I added it yesterday :)

Manuel Bouyer <>
     NetBSD: 24 ans d'experience feront toujours la difference