From owner-freebsd-fs Thu Sep 25 00:00:18 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id AAA01134 for fs-outgoing; Thu, 25 Sep 1997 00:00:18 -0700 (PDT) Received: from usr03.primenet.com (tlambert@usr03.primenet.com [206.165.6.203]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id AAA01127 for ; Thu, 25 Sep 1997 00:00:15 -0700 (PDT) Received: (from tlambert@localhost) by usr03.primenet.com (8.8.5/8.8.5) id XAA08542; Wed, 24 Sep 1997 23:53:43 -0700 (MST) From: Terry Lambert Message-Id: <199709250653.XAA08542@usr03.primenet.com> Subject: Re: Known problems with async ufs? To: koshy@india.hp.com (A Joseph Koshy) Date: Thu, 25 Sep 1997 06:53:43 +0000 (GMT) Cc: tlambert@primenet.com, brandon@roguetrader.com, wilko@yedi.iaf.nl, freebsd-fs@FreeBSD.ORG, koshy@postbox.india.hp.com In-Reply-To: <199709250428.VAA18568@palrel1.hp.com> from "A Joseph Koshy" at Sep 25, 97 09:53:49 am X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-fs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > They addressed this somewhat by guaranteeing that metadata writes would > > be ordered. It's unclear whether this infringes on USL's Delayed > > Ordered Writes patent. > > EXT2FS has been around for a long time. Wouldn't the DOW patent be > invalid on the grounds of ``prior art'' if the technology was similar? No. 1993. > Just curious. No problem. DOw was not in the initial implementation. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.