Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272832AbTHKQqV (ORCPT ); Mon, 11 Aug 2003 12:46:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272837AbTHKQqV (ORCPT ); Mon, 11 Aug 2003 12:46:21 -0400 Received: from fw.osdl.org ([65.172.181.6]:33447 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S272832AbTHKQqP (ORCPT ); Mon, 11 Aug 2003 12:46:15 -0400 Date: Mon, 11 Aug 2003 09:43:04 -0700 From: "Randy.Dunlap" To: Jeff Garzik Cc: bzzz@tmi.comex.ru, linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net Subject: Re: [Ext2-devel] Re: [RFC] file extents for EXT3 Message-Id: <20030811094304.10369817.rddunlap@osdl.org> In-Reply-To: <3F3791C8.4090903@pobox.com> References: <3F3791C8.4090903@pobox.com> Organization: OSDL X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) X-Face: +5V?h'hZQPB9kW Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1179 Lines: 30 On Mon, 11 Aug 2003 08:53:28 -0400 Jeff Garzik wrote: | Alex Tomas wrote: | > hello all! | > | > there are several problems with old good method ext2/ext3 | > use to store map of block for an inode. for example, ext3's | > truncate is quite slow. I think extents could solve this | > and some other troubles. so ... | > | > | > in fact, design is taken from htree modern ext2/ext3 uses. in constrast with | > htree, it isn't backward-compatible. | | Neat. I really like extents, and think this is the best long-term | approach. Apparently the ext3 maintainers do, too, because tytso/sct's | "ext roadmap" paper publishing a while ago describes extents, too. (I | wish I had a URL for that) like this? http://www.usenix.org/publications/library/proceedings/usenix02/tech/freenix/tso.html -- ~Randy For Linux-2.6, see: http://www.kernel.org/pub/linux/kernel/people/davej/misc/post-halloween-2.5.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/