From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752664AbaAVGXP (ORCPT ); Wed, 22 Jan 2014 01:23:15 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:28681 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750767AbaAVGXK (ORCPT ); Wed, 22 Jan 2014 01:23:10 -0500 Date: Tue, 21 Jan 2014 22:22:55 -0800 From: "Darrick J. Wong" To: "Theodore Ts'o" , David Turner , Mark Harris , Andreas Dilger , Jan Kara , Ext4 Developers List , Linux Kernel Mailing List Subject: Re: [PATCH] ext4: explain encoding of 34-bit a,c,mtime values Message-ID: <20140122062255.GA8973@birch.djwong.org> References: <1383808590.23882.13.camel@chiang> <20131107160341.GA3850@quack.suse.cz> <1383864864.23882.33.camel@chiang> <20131107231445.GG2054@quack.suse.cz> <1383866807.23882.41.camel@chiang> <1383981551.8994.27.camel@chiang> <1384070214.8994.47.camel@chiang> <20131112003018.GA30281@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131112003018.GA30281@thunk.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 11, 2013 at 07:30:18PM -0500, Theodore Ts'o wrote: > On Sun, Nov 10, 2013 at 02:56:54AM -0500, David Turner wrote: > > b. Use Andreas's encoding, which is incompatible with pre-1970 files > > written on 64-bit systems. > > > > I don't care about currently-existing post-2038 files, because I believe > > that nobody has a valid reason to have such files. However, I do > > believe that pre-1970 files are probably important to someone. > > > > Despite this, I prefer option (b), because I think the simplicity is > > valuable, and because I hate to give up date ranges (even ones that I > > think we'll "never" need). Option (b) is not actually lossy, because we > > could correct pre-1970 files with e2fsck; under Andreas's encoding, > > their dates would be in the far future (and thus cannot be legitimate). > > > > Would a patch that does (b) be accepted? I would accompany it with a > > patch to e2fsck (which I assume would also go to the ext4 developers > > mailing list?). > > I agree, I think this is the best way to go. I'm going to drop your > earlier patch, and wait for an updated patch from you. It may miss > this merge window, but as Andreas has pointed out, we still have a few > years to get this right. :-) Just out of curiosity, did this (updated patch) ever happen? --D > > Thanks!! > > - Ted > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html