From owner-freebsd-fs@FreeBSD.ORG Mon Nov 22 14:53:39 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 992A5106564A for ; Mon, 22 Nov 2010 14:53:39 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 68DCA8FC14 for ; Mon, 22 Nov 2010 14:53:39 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 173E746B2E; Mon, 22 Nov 2010 09:53:39 -0500 (EST) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id D99F48A02A; Mon, 22 Nov 2010 09:53:37 -0500 (EST) From: John Baldwin To: freebsd-fs@freebsd.org Date: Mon, 22 Nov 2010 09:28:24 -0500 User-Agent: KMail/1.13.5 (FreeBSD/7.3-CBSD-20101102; KDE/4.4.5; amd64; ; ) References: <1121329727.428865.1290431972028.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <1121329727.428865.1290431972028.JavaMail.root@erie.cs.uoguelph.ca> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201011220928.24386.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Mon, 22 Nov 2010 09:53:37 -0500 (EST) X-Virus-Scanned: clamav-milter 0.96.3 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-1.9 required=4.2 tests=BAYES_00 autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on bigwig.baldwin.cx Cc: Subject: Re: preferred kernel upcall method to master nfsd X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Nov 2010 14:53:39 -0000 On Monday, November 22, 2010 8:19:32 am Rick Macklem wrote: > Hi, > > The experimental NFSv4 server in the kernel needs to tell the master nfsd when > to make a backup copy of the stable restart file. I know how to do this using a > signal, but is there a better/preferred way under FreeBSD-current? A signal sounds like the simplest approach to me. -- John Baldwin