Subject: Re: more disksort fun
To: Atsushi Onoe <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 02/07/2000 06:44:48
On Mon, 7 Feb 2000 12:15:04 +0900 (JST)
Atsushi Onoe <email@example.com> wrote:
> Is it still meaningful? I think we cannot use actual cylinder number since
> zone bit recording makes the physical layout unknown to us.
Most disks are ZBR, but some are still old-style... we support lots of
older machines :-)
On these systems, you call disksort_cylinder(). On ZBR disks,
> Anyway, I just use b_cylinder to store raw blkno and call disksort_cylinder(),
> and find my notebook extremely improves its performance.
Well, it's good to know that it had such a dramatic performance improvement
-- Jason R. Thorpe <firstname.lastname@example.org>