From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967764AbXG3SMz (ORCPT ); Mon, 30 Jul 2007 14:12:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966969AbXG3SMr (ORCPT ); Mon, 30 Jul 2007 14:12:47 -0400 Received: from iriserv.iradimed.com ([72.242.190.170]:17323 "EHLO iradimed.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966340AbXG3SMq (ORCPT ); Mon, 30 Jul 2007 14:12:46 -0400 Message-ID: <46AE2A23.9060204@cfl.rr.com> Date: Mon, 30 Jul 2007 14:12:51 -0400 From: Phillip Susi User-Agent: Thunderbird 1.5.0.12 (Windows/20070509) MIME-Version: 1.0 To: Lindsay Roberts CC: LKML Subject: Re: [PATCH] fs: Add romfs version 2 References: <8734b7880707122301m400294d4nf12072f949c95fa4@mail.gmail.com> In-Reply-To: <8734b7880707122301m400294d4nf12072f949c95fa4@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 30 Jul 2007 18:12:53.0635 (UTC) FILETIME=[3F5E2530:01C7D2D5] X-TM-AS-Product-Ver: SMEX-7.5.0.1243-5.0.1021-15332.000 X-TM-AS-Result: No--5.164100-5.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Lindsay Roberts wrote: > * Increases romfs partition size limit from 2GB to 4GB. > * Adds new derivative of romfs filesystem (rom2fs) with > block aligned regular file data to bring performance > parity with ext2/3. This is about 225% of the read > speed of the existing romfs. Why does block alignment of files have any influence on speed for a rom based ( no seek time ) filesystem?