From owner-freebsd-current@FreeBSD.ORG Fri Nov 4 16:57:04 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3D66716A41F; Fri, 4 Nov 2005 16:57:04 +0000 (GMT) (envelope-from keramida@linux.gr) Received: from aiolos.otenet.gr (aiolos.otenet.gr [195.170.0.93]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7B4B543D6B; Fri, 4 Nov 2005 16:57:03 +0000 (GMT) (envelope-from keramida@linux.gr) Received: from flame.pc (aris.bedc.ondsl.gr [62.103.39.226]) by aiolos.otenet.gr (8.13.4/8.13.4/Debian-1) with SMTP id jA4GusRn009334; Fri, 4 Nov 2005 18:57:01 +0200 Received: from flame.pc (flame [127.0.0.1]) by flame.pc (8.13.4/8.13.4) with ESMTP id jA4GukqE022902; Fri, 4 Nov 2005 18:56:46 +0200 (EET) (envelope-from keramida@linux.gr) Received: (from keramida@localhost) by flame.pc (8.13.4/8.13.4/Submit) id jA4GukDh022895; Fri, 4 Nov 2005 18:56:46 +0200 (EET) (envelope-from keramida@linux.gr) Date: Fri, 4 Nov 2005 18:56:46 +0200 From: Giorgos Keramidas To: Nathan Vidican Message-ID: <20051104165646.GB15136@flame.pc> References: <436B915A.2070805@wmptl.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <436B915A.2070805@wmptl.com> Cc: questions@freebsd.org, current@freebsd.org Subject: Re: new filesystem improvements in 6.0-RELEASE, require newfs? 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: Fri, 04 Nov 2005 16:57:04 -0000 On 2005-11-04 11:50, Nathan Vidican wrote: > Most notably amongst the improvements/additions to 6.0-RELEASE, > are those in the filesystem area. In performing a system > upgrade, does one need to newfs/format a given partition with a > new file system to make use of these optimizations, or is the > bonus simply in the kernel/filesystem support and sticking with > the current UFS2 partition (5.3-RELEASE/amd64) will step-up to it? The VFS optimizations and improvements in the SMP & locking don't really depend on having a particular file system type, AFAIK, so you shouldn't need to newfs for the performance gains they implement.