Date: Wed, 27 Nov 2002 23:05:03 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Mark Murray <mark@grondar.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/boot/alpha/boot1 Makefile Message-ID: <22330.1038434703@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 27 Nov 2002 21:15:42 GMT." <200211272115.gARLFgre048973@grimreaper.grondar.org>
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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
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