From owner-freebsd-current@FreeBSD.ORG Wed Apr 21 07:39:43 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 9D4E91065670 for ; Wed, 21 Apr 2010 07:39:43 +0000 (UTC) (envelope-from gary.jennejohn@freenet.de) Received: from mout2.freenet.de (mout2.freenet.de [IPv6:2001:748:100:40::2:4]) by mx1.freebsd.org (Postfix) with ESMTP id 352838FC08 for ; Wed, 21 Apr 2010 07:39:43 +0000 (UTC) Received: from [195.4.92.27] (helo=17.mx.freenet.de) by mout2.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.72 #3) id 1O4UX7-0003nS-SX; Wed, 21 Apr 2010 09:39:41 +0200 Received: from p57ae22dc.dip0.t-ipconnect.de ([87.174.34.220]:22752 helo=ernst.jennejohn.org) by 17.mx.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.72 #3) id 1O4UX7-00061n-JY; Wed, 21 Apr 2010 09:39:41 +0200 Date: Wed, 21 Apr 2010 09:39:40 +0200 From: Gary Jennejohn To: Jeff Roberson Message-ID: <20100421093940.3e6b181b@ernst.jennejohn.org> In-Reply-To: References: X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.7; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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 Reply-To: gary.jennejohn@freenet.de List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2010 07:39:43 -0000 On Tue, 20 Apr 2010 12:15:48 -1000 (HST) Jeff Roberson wrote: > 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. > And the crowd goes wild. SUJ is _great_ and I'm glad to see it finally making it into the tree. -- Gary Jennejohn