From owner-freebsd-current@FreeBSD.ORG Tue Apr 20 22:49:10 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3C78B106564A for ; Tue, 20 Apr 2010 22:49:10 +0000 (UTC) (envelope-from eksffa@freebsdbrasil.com.br) Received: from capeta.freebsdbrasil.com.br (capeta.freebsdbrasil.com.br [201.48.151.3]) by mx1.freebsd.org (Postfix) with SMTP id 5D93F8FC12 for ; Tue, 20 Apr 2010 22:49:09 +0000 (UTC) Received: (qmail 30610 invoked from network); 20 Apr 2010 19:20:23 -0300 Received: by simscan 1.4.0 ppid: 30592, pid: 30608, t: 0.0128s scanners:none Received: from unknown (HELO claire.bh.freebsdbrasil.com.br) (eksffa@freebsdbrasil.com.br@201.48.151.226) by capeta.freebsdbrasil.com.br with ESMTPA; 20 Apr 2010 19:20:23 -0300 Message-ID: <4BCE291D.7070006@freebsdbrasil.com.br> Date: Tue, 20 Apr 2010 19:22:21 -0300 From: Patrick Tracanelli Organization: FreeBSD Brasil LTDA User-Agent: Thunderbird 2.0.0.22 (X11/20090705) MIME-Version: 1.0 To: Jeff Roberson References: In-Reply-To: X-Enigmail-Version: 0.95.7 OpenPGP: url=pgp.mit.edu Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: current@freebsd.org Subject: Re: HEADS UP: SUJ Going in to head today X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Apr 2010 22:49:10 -0000 Jeff Roberson escreveu: > Hi Folks, > > You may have seen my other Soft-updates journaling (SUJ) announcements. > If not, it is a journaling system that works cooperatively with > soft-updates to eliminate the full background filesystem check after an > unclean shutdown. SUJ may be enabled with tunefs -j enable and disabled > with tunefs -j disable on an unmounted filesystem. It is backwards > compatible with soft-updates with no journal. > > I'm going to do another round of tests and buildworld this afternoon to > verify the diff and then I'm committing to head. This is a very large > feature and fundamentally changes softupdates. Although it has been > extensively tested by many there may be unforseen problems. If you run > into an issue that you think may be suj please email me directly as well > as posting on current as I sometimes miss list email and this will > ensure the quickest response. Hello Jeff, McKusick and others envolved. Is an MFC technically possible? If so, are there plans to do so? Thank you. -- Patrick Tracanelli