Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161252AbWHJO0t (ORCPT ); Thu, 10 Aug 2006 10:26:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751263AbWHJO0t (ORCPT ); Thu, 10 Aug 2006 10:26:49 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:56802 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1751186AbWHJO0s (ORCPT ); Thu, 10 Aug 2006 10:26:48 -0400 Message-ID: <44DB4224.7030303@garzik.org> Date: Thu, 10 Aug 2006 10:26:44 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.4 (X11/20060614) MIME-Version: 1.0 To: Roman Zippel CC: Andrew Morton , cmm@us.ibm.com, linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 2/9] sector_t format string References: <1155172843.3161.81.camel@localhost.localdomain> <20060809234019.c8a730e3.akpm@osdl.org> <44DB203A.6050901@garzik.org> <44DB25C1.1020807@garzik.org> <44DB27A3.1040606@garzik.org> <44DB3151.8050904@garzik.org> <44DB34FF.4000303@garzik.org> <44DB3D65.6030308@garzik.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.3 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 840 Lines: 28 Roman Zippel wrote: > Hi, > > On Thu, 10 Aug 2006, Jeff Garzik wrote: > >> With CONFIG_LBD, 32-bit machines can already support large block >> devices. >> >> If you feel that hardcoding u64 as sector numbers will mean ext4 suddenly >> fails on 32-bit, you misunderstand the situation completely. > > With CONFIG_LBD disabled you still had the truncation/complexity issues > somewhere else, so you gain nothing, but waste memory in ext4. You gain simplicity and reduced number of code paths. "waste memory" is hardly a significant argument. I doubt you will notice a difference. Jeff - 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/