Subject: Re: Overlapping bread(9) behaviour
To: None <tech-kern@netbsd.org>
From: Joerg Sonnenberger <joerg@britannica.bec.de>
List: tech-kern
Date: 07/03/2007 19:20:14
On Tue, Jul 03, 2007 at 10:08:45AM -0700, 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.

With filesystems like LFS it makes a lot of sense to be able to do
writes in units of 1MB and more.

Joerg