From owner-freebsd-current Fri Feb 6 18:08:11 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA14335 for current-outgoing; Fri, 6 Feb 1998 18:08:11 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from gneiss.eps.nagoya-u.ac.jp (gneiss.eps.nagoya-u.ac.jp [133.6.124.148]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA14327 for ; Fri, 6 Feb 1998 18:08:07 -0800 (PST) (envelope-from kato@migmatite.eps.nagoya-u.ac.jp) Received: from localhost (localhost [127.0.0.1]) by gneiss.eps.nagoya-u.ac.jp (8.8.8/3.6Wbeta7) with ESMTP id LAA11333; Sat, 7 Feb 1998 11:07:57 +0900 (JST) To: tlambert@primenet.com Cc: current@FreeBSD.ORG Subject: Re: unionfs clobbers a file From: KATO Takenori In-Reply-To: Your message of "Fri, 6 Feb 1998 19:26:08 +0000 (GMT)" <199802061926.MAA15103@usr01.primenet.com> References: <199802061926.MAA15103@usr01.primenet.com> X-Mailer: Mew version 1.92.4 on Emacs 19.28 / Mule 2.3 (SUETSUMUHANA) X-PGP-Fingerprint: 03 72 85 36 62 46 23 03 52 B1 10 22 44 10 0D 9E Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <19980207110757B.kato@gneiss.eps.nagoya-u.ac.jp> Date: Sat, 07 Feb 1998 11:07:57 +0900 X-Dispatcher: imput version 971024 Lines: 18 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe current" Terry Lambert wrote: > The unionfs may still fail because of VOP_LOCK, depending on how > it is implemented this week. If it's still using the lockmgr code, > it will definitely fail, because that code projects a three dimensional > geodesic into a two dimensional space. I can explain how to fix > this, if you are interested. Please explain it. I think lock/unlock system in unionfs is somethink like ropewalking and current implemetation is a result of compromise. ---- KATO Takenori Dept. Earth Planet. Sci., Nagoya Univ., Nagoya, 464-01, Japan PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp ------------------- Powered by FreeBSD(98) -------------------