Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265802AbUAPT55 (ORCPT ); Fri, 16 Jan 2004 14:57:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265815AbUAPT55 (ORCPT ); Fri, 16 Jan 2004 14:57:57 -0500 Received: from fw.osdl.org ([65.172.181.6]:61104 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S265802AbUAPT4S (ORCPT ); Fri, 16 Jan 2004 14:56:18 -0500 Date: Fri, 16 Jan 2004 11:52:37 -0800 From: "Randy.Dunlap" To: "raymond jennings" Cc: linux-kernel@vger.kernel.org Subject: Re: [IDEA] - run-length compaction of block numbers Message-Id: <20040116115237.08b65335.rddunlap@osdl.org> In-Reply-To: References: 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: 831 Lines: 19 On Fri, 16 Jan 2004 11:38:59 -0800 "raymond jennings" wrote: | Is there any value in creating a new filesystem that encodes long contiguous | blocks as a single block run instead of multiple block numbers? A long file | may use only a few block runs instead of many block numbers if there is | little fragmentation (usually the case). Also dynamic allocation of | inodes...etc. The details are long; anyone interested can e-mail me | privately. You mean line ext3fs + extents, or like JFS or XFS, which use extents? -- ~Randy Everything is relative. - 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/