From: Amir Goldstein Subject: Re: Need of revoke mechanism in JBD Date: Mon, 2 May 2011 13:42:48 +0300 Message-ID: References: <4DB68257.4070407@gmail.com> <20110426122558.GF9486@thunk.org> <20110501222813.GD2819@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Ding Dinghua , Yongqiang Yang , Niraj Kulkarni , linux-ext4@vger.kernel.org To: "Ted Ts'o" Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:58571 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757240Ab1EBKmv convert rfc822-to-8bit (ORCPT ); Mon, 2 May 2011 06:42:51 -0400 Received: by eyx24 with SMTP id 24so1695882eyx.19 for ; Mon, 02 May 2011 03:42:50 -0700 (PDT) In-Reply-To: <20110501222813.GD2819@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, May 2, 2011 at 1:28 AM, Ted Ts'o wrote: > On Fri, Apr 29, 2011 at 10:45:23PM +0300, Amir Goldstein wrote: >> >> Actually, the original paper has no mention of revoke records. >> I went out to look for useful documentation on journal forget/revoke >> and came back empty handed as well. > > Stephen Tweedie gave a talk back in 2000 which covered revoke records= =2E > There's a transcript of his talk here: > > http://olstrans.sourceforge.net/release/OLS2000-ext3/OLS2000-ext3.htm= l > > The link to the audio file of the talk is dead, but I managed to find > a copy of the mp3 file on Google. =A0To make sure it doesn't get lost > I've made a copy of it. =A0The original and the copy can be found at: > > http://ftp.gnumonks.org/pub/congress-talks/ols2000/high/cd1/2000-07-2= 0_15-05-22_A_64.mp3 > ftp://ftp.kernel.org/pub/linux/kernel/people/tytso/presentations/2000= -07-20_15-05-22_A_64.mp3 > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 =A0 =A0 =A0 =A0 =A0- Ted > Thanks for that! It was an interesting read, a little piece of history = for me. Clearly, at the time of this talk, revoke code was still on the design = table and committed_data is not mentioned, so either it was not introduced ye= t or just wasn't in the scope of the talk. Amir. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html