Subject: Re: Overlapping bread(9) behaviour
To: Bill Stouder-Studenmund <wrstuden@netbsd.org>
From: Darren Reed <darrenr@netbsd.org>
List: tech-kern
Date: 07/03/2007 13:05:57
Bill Stouder-Studenmund wrote:
> ...
>
> Also, we have a limit to the maximum physical transfer size. Right now 
> it's 64k. We want to raise that, but I don't think you want to be doing 
> much over 256k in general. So you won't want a 1:1 mapping between extents 
> and buffer entries, you'll want 1:many.
>   

At the very least, this needs fixing if we want to do ZFS
because ZFS has variable sized blocks of upto 128k.

Darren