From owner-freebsd-hackers Sat Jun 1 09:27:09 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id JAA22629 for hackers-outgoing; Sat, 1 Jun 1996 09:27:09 -0700 (PDT) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id JAA22608 for ; Sat, 1 Jun 1996 09:27:04 -0700 (PDT) Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.12/8.6.9) id CAA23320; Sun, 2 Jun 1996 02:23:12 +1000 Date: Sun, 2 Jun 1996 02:23:12 +1000 From: Bruce Evans Message-Id: <199606011623.CAA23320@godzilla.zeta.org.au> To: bde@zeta.org.au, dufault@hda Subject: Re: Breaking ffs - speed enhancement? Cc: dufault@hda.zipnet.net, hackers@FreeBSD.ORG, terry@lambert.org Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk >> It already permits agressive async behaviour, because update has >> nothing to do with writing to disk. It just requires the update >> marks (if any) to be converted to actual timestamps. >I know - I meant "more aggressive" by not converting update marks >to time stamps if you don't care. Maybe that is overkill, I thought >the original application called for something like this. You would still have to keep the update marks somewhere :-). They should compress very well since they are only 1 bit to begin with and have a steady state value of 1 :-). Bruce