From owner-cvs-all Wed Nov 27 14: 5:21 2002 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6E8F637B404; Wed, 27 Nov 2002 14:05:20 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 766CE43EC2; Wed, 27 Nov 2002 14:05:19 -0800 (PST) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.6/8.12.6) with ESMTP id gARM5376022331; Wed, 27 Nov 2002 23:05:08 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: Mark Murray Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/boot/alpha/boot1 Makefile In-Reply-To: Your message of "Wed, 27 Nov 2002 21:15:42 GMT." <200211272115.gARLFgre048973@grimreaper.grondar.org> Date: Wed, 27 Nov 2002 23:05:03 +0100 Message-ID: <22330.1038434703@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <200211272115.gARLFgre048973@grimreaper.grondar.org>, Mark Murray wr ites: >> >I did two test installs on my test Alpha this morning, one with all UFS1 >> >and one with all UFS2 with this patch and both installed ok and booted. >> >FWIW, newfs with UFS2 is a _lot_ faster, esp. on large filesystems. >> >> The reason newfs is faster is that it doesn't spend time initializing >> the inodes. With softupdates we know exactly which inodes are there >> so there is no need to hint fsck about it by zeroing out all potential >> inodes. > >Hmmm. Sounds nifty. Can this optimization be backported to UFS1? In theory it could, but it depends on softupdates being enabled, I don't know if it is in kirks plans... -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message