From owner-freebsd-fs Mon Aug 26 20:29:13 1996 Return-Path: owner-fs Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id UAA03661 for fs-outgoing; Mon, 26 Aug 1996 20:29:13 -0700 (PDT) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id UAA03654 for ; Mon, 26 Aug 1996 20:29:10 -0700 (PDT) Received: (from root@localhost) by dyson.iquest.net (8.7.5/8.6.9) id WAA01133; Mon, 26 Aug 1996 22:26:30 -0500 (EST) From: "John S. Dyson" Message-Id: <199608270326.WAA01133@dyson.iquest.net> Subject: Re: The VIVA file system (fwd) To: terry@lambert.org (Terry Lambert) Date: Mon, 26 Aug 1996 22:26:30 -0500 (EST) Cc: sysseh@devetir.qld.gov.au, terry@lambert.org, freebsd-fs@freebsd.org, eric@ms.uky.edu In-Reply-To: <199608270227.TAA23789@phaeton.artisoft.com> from "Terry Lambert" at Aug 26, 96 07:27:10 pm Reply-To: dyson@freebsd.org X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-fs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > I must admit that it looked rather similar to the LFS stuff, so the > > forwarding of the message was meant to stimulate some discussion of > > the merits of both, rather than as urging for people to play "catch up". > > I'm getting a little impatient for LFS and was wondering what was > > happening. > > I'm not the one to ask about LFS; it's interesting, but not enough > for me to want to hack on it. I think the Lite2 did not integrate > it over the vnode locking changes, so it's more than a little work, > since it needs that, plus it needs the VM integration (our VM access > should be macrotized for a generic VM for porting anyway). It's all > quite nasty in there. > I am tonight porting LFS, maybe with some luck will get it to work. However, the FreeBSD VM/Buffer cache stuff affects the filesystem only slightly esp. now. The biggest issue in porting from the old Lite stuff is getting rid of gratuitious vnode_pager_uncaches, and changing the ordering of some operations slightly. John