From owner-cvs-src Mon Feb 10 19:57:13 2003 Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 068DA37B401; Mon, 10 Feb 2003 19:57:12 -0800 (PST) Received: from canning.wemm.org (canning.wemm.org [192.203.228.65]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4462543FA3; Mon, 10 Feb 2003 19:57:11 -0800 (PST) (envelope-from peter@wemm.org) Received: from wemm.org (localhost [127.0.0.1]) by canning.wemm.org (Postfix) with ESMTP id 22D9C2A8B4; Mon, 10 Feb 2003 19:57:11 -0800 (PST) (envelope-from peter@wemm.org) X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Juli Mallett Cc: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sbin/newfs Makefile mkfs.c newfs.c newfs.h ref.test In-Reply-To: <200302110306.h1B36k0p057099@repoman.freebsd.org> Date: Mon, 10 Feb 2003 19:57:11 -0800 From: Peter Wemm Message-Id: <20030211035711.22D9C2A8B4@canning.wemm.org> Sender: owner-cvs-src@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Juli Mallett wrote: > jmallett 2003/02/10 19:06:46 PST > > Modified files: > sbin/newfs Makefile mkfs.c newfs.c newfs.h ref.test > Log: > Convert newfs to libufs (really). Solves one real issue with previous > version of such. Differences in filesystems generated were found to be > from 1) sbwrite with the "all" parameter 2) removal of writecache. The > sbwrite call was made to perform as the original version, and otherwise > this was checked against a version of newfs with the write cache removed. Umm, I object! This is a massive performance loss on disks without track write buffering (eg: many raid systems).. While it isn't so bad for ufs2 newfs, it is a Big Deal for ufs1 for interchangeability. Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-src" in the body of the message