From owner-freebsd-hackers Mon Aug 23 1:42: 8 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from storm.FreeBSD.org.uk (storm.freebsd.org.uk [194.242.128.198]) by hub.freebsd.org (Postfix) with ESMTP id D864014D04; Mon, 23 Aug 1999 01:42:03 -0700 (PDT) (envelope-from brian@Awfulhak.org) Received: from keep.lan.Awfulhak.org (root@localhost [127.0.0.1]) by storm.FreeBSD.org.uk (8.9.3/8.9.3) with ESMTP id JAA26733; Mon, 23 Aug 1999 09:40:17 +0100 (BST) (envelope-from brian@Awfulhak.org) Received: from keep.lan.Awfulhak.org (brian@localhost.lan.Awfulhak.org [127.0.0.1]) by keep.lan.Awfulhak.org (8.9.3/8.9.3) with ESMTP id JAA51695; Mon, 23 Aug 1999 09:43:27 +0100 (BST) (envelope-from brian@keep.lan.Awfulhak.org) Message-Id: <199908230843.JAA51695@keep.lan.Awfulhak.org> X-Mailer: exmh version 2.0.2 2/24/98 To: "Daniel O'Connor" Cc: Greg Lehey , Garrett Wollman , FreeBSD Committers , FreeBSD Hackers , Poul-Henning Kamp , Matthew Dillon Subject: Re: Mandatory locking? In-reply-to: Your message of "Mon, 23 Aug 1999 15:35:24 +0930." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 23 Aug 1999 09:43:26 +0100 From: Brian Somers Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > On 23-Aug-99 Greg Lehey wrote: > > I'm a little surprised that there's any objection to the concept of > > mandatory locking. In transaction processing, locking is not > > optional, and if any process at all can access a file or set of files > > without locking, you can't guarantee the database integrity. Other > > OSs have used mandatory locking for decades, and System V has it too. > > So far I haven't seen any arguments, let alone valid ones, against > > having it in FreeBSD. > > I think its a good idea, and hey if people object it can always be an option > like -> > > option NO_MANDATORY_LOCKING Not quite - developers have to deal with the mess that it would cause - Matt for example says: : Ugh. Yuch. No, nothing to do with permission bits, not for something : this convoluted! Are you saying that he should just enable an option and forget about it when he tweaks something horrible in NFS that only a handfull of others understand ? :-I -- Brian Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message