Subject: Re: Adding B_WRITETHRU -- file system question
To: Jason R Thorpe <thorpej@wasabisystems.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-kern
Date: 12/04/2001 21:02:29
On Tue, Dec 04, 2001 at 11:55:49AM -0800, Jason R Thorpe wrote:
> On Tue, Dec 04, 2001 at 08:47:47PM +0100, Manuel Bouyer wrote:
>
> > BTW, is B_ORDERED really used ? I see it's set in bowrite() but I can't
> > find what uses bowrite.
>
> No, it's not currently used. Having had a discussion about it with
> several people, I think B_ORDERED will probably go away.
OK, I think I know who is one of these peoples :)
>
> > Hum, I'm not sure how to enforce this for IDE. I guess we should just disable
> > the write cache for IDE disks.
>
> I think this should be a user policy decision; if they want to play
> fast-and-loose, they can, or they can disable the write cache on their
> disks. The idea behind my changes is that you can be safe if playing
> fast-and-loose on disks that can provide that safety.
Yes, of course.
--
Manuel Bouyer <bouyer@antioche.eu.org>
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