From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261304AbVF0P2G (ORCPT ); Mon, 27 Jun 2005 11:28:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262106AbVF0PYy (ORCPT ); Mon, 27 Jun 2005 11:24:54 -0400 Received: from 69-18-3-179.lisco.net ([69.18.3.179]:7943 "EHLO ninja.slaphack.com") by vger.kernel.org with ESMTP id S261773AbVF0PIc (ORCPT ); Mon, 27 Jun 2005 11:08:32 -0400 Message-ID: <42C0166C.4090000@slaphack.com> Date: Mon, 27 Jun 2005 10:08:28 -0500 From: David Masover User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050325) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Weinehall Cc: Valdis.Kletnieks@vt.edu, Lincoln Dale , Gregory Maxwell , Hans Reiser , Horst von Brand , Jeff Garzik , Christoph Hellwig , Andrew Morton , linux-kernel@vger.kernel.org, ReiserFS List Subject: Re: reiser4 plugins References: <200506270040.j5R0eUNA030632@turing-police.cc.vt.edu> <42BF667C.50606@slaphack.com> <200506270423.j5R4Np9n004510@turing-police.cc.vt.edu> <42BF8F42.7030308@slaphack.com> <200506270541.j5R5fULX007282@turing-police.cc.vt.edu> <42BF9562.4090602@slaphack.com> <200506270612.j5R6CZGX008462@turing-police.cc.vt.edu> <42BF9C4D.3080800@slaphack.com> <200506270643.j5R6hqRh009781@turing-police.cc.vt.edu> <42BFA421.70506@slaphack.com> <20050627134752.GE16867@khan.acc.umu.se> In-Reply-To: <20050627134752.GE16867@khan.acc.umu.se> X-Enigmail-Version: 0.89.6.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 David Weinehall wrote: > On Mon, Jun 27, 2005 at 02:00:49AM -0500, David Masover wrote: > >>-----BEGIN PGP SIGNED MESSAGE----- >>Hash: SHA1 >> >>Valdis.Kletnieks@vt.edu wrote: >> >>>On Mon, 27 Jun 2005 01:27:25 CDT, David Masover said: >> >>[...] >> >> >>>>Speaking of backup, that's another nice place for a plugin. Imagine a >>>>dump that didn't have to be of the entire FS, but rather an arbitrary >>>>tree... That might be a nice new archive format. I know Apple already >>>>uses something like this for their dmg packages. >>> >>> >>>Hmm.. you mean like 'tar' or 'cpio' or 'pax' or 'rsync'? :) >> >>No, a dmg is an OS X program installer. It appears to be a disk image >>of sorts. So this is the backup idea in reverse. > > > Yeah, disk images are really a new invention... It's not like creating > an arbitrarily large solid file and then doing mkfs on it would > accomplish the same thing =) Scroll up a little... "Imagine a dump that didn't have to be of the entire FS, but rather an arbitrary tree..." Such a dump might produce the same thing as mkfs would, but it would do it faster, maybe even copy-on-write. The OS X example is to point out that using some chunk of an FS as an archive format isn't necessarily a bad idea. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iQIVAwUBQsAWa3gHNmZLgCUhAQJnRw//Sh0L38YZ/1fuxjo1TXQtfpMs2YpOIwSm brJtx53rJD8nvAnOP1rwtWc5RiIl+YDzlWIO31L+U45Ap4B9+M4f7elqOlXXyrhw HC/PIu3kai+MZYV05As8IaQNlU7fDPygnYVfIdFzz1NfwwiRo7TPXjjoPlkwaN8w SluYj9CtwTUarNc7Nqct4gmmoxZ20YuyTmpQLyYkU4UMFmGcUfokhg03WUaFPGZr bJL5TjW4YePyFtPcU53JcztjLD2z5pQrj1QdzK5hE2FM0UAM+0mWVEalkR19bNk3 z/lLEkfWBHP3gib9mdC5RsT/aik8nwRdr6X80WtPEMPwqAgSN+7x37u8Jp3paqLc iQu54zVb7h9GJQfoi7sRCfO3GXxRKm3HDB8RnLZD39RKq3duA9M5hN+X9hMYVjd7 KE8kH387QvhLH7TwlfCyIQ2yY6/9abw4Jw9kdoBcX1pq5HpSf1s9TreA/w+89gan W5NoIMo9VPR6Lhx9h6f7O07kxqVNdpjgw6w1LAGmgXKtlT/ojZ3lunXXPsjKknWN M11XYiG6wBRNWJKsWsbh19O9FdcjpNknCxvrSLdiQDD44BTqc7l+Kt6dhACiyigs BBMG3ceowL+vh52spCkakksqCIU4fb6+ndv2g43Q0d2Sk9tpCFUakzEugGfXrHYR 0qNwqhqbe2o= =lP7Z -----END PGP SIGNATURE-----