From patchwork Wed Jun 22 16:49:21 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Norris X-Patchwork-Id: 101510 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 747D5B6F82 for ; Thu, 23 Jun 2011 02:52:16 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QZQeL-0001zh-Me; Wed, 22 Jun 2011 16:51:35 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QZQeL-000588-B5; Wed, 22 Jun 2011 16:51:33 +0000 Received: from mms1.broadcom.com ([216.31.210.17]) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QZQe8-00051H-GS for linux-mtd@lists.infradead.org; Wed, 22 Jun 2011 16:51:22 +0000 Received: from [10.9.200.131] by mms1.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.3.2)); Wed, 22 Jun 2011 09:55:51 -0700 X-Server-Uuid: 02CED230-5797-4B57-9875-D5D2FEE4708A Received: from mail-irva-13.broadcom.com (10.11.16.103) by IRVEXCHHUB01.corp.ad.broadcom.com (10.9.200.131) with Microsoft SMTP Server id 8.2.247.2; Wed, 22 Jun 2011 09:51:07 -0700 Received: from localhost.localdomain (ld-irv-0074 [10.12.160.50]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id BE36774D09; Wed, 22 Jun 2011 09:51:06 -0700 (PDT) From: "Brian Norris" To: "Artem Bityutskiy" Subject: [PATCH v3 5/7] feature-removal-schedule: describe nanddump changes Date: Wed, 22 Jun 2011 09:49:21 -0700 Message-ID: <1308761363-16512-6-git-send-email-computersforpeace@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: MIME-Version: 1.0 X-WSS-ID: 621CC11D3B47474690-01-01 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110622_125120_871641_E5077589 X-CRM114-Status: GOOD ( 15.39 ) X-Spam-Score: 1.2 (+) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is freemail (computersforpeace[at]gmail.com) 0.0 DKIM_ADSP_CUSTOM_MED No valid author signature, adsp_override is CUSTOM_MED 0.0 RFC_ABUSE_POST Both abuse and postmaster missing on sender domain 1.2 NML_ADSP_CUSTOM_MED ADSP custom_med hit, and not from a mailing list Cc: David Woodhouse , Brian Norris , linux-mtd@lists.infradead.org, Mike Frysinger X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Include a few notes about the edited options and new defaults for bad block handling in nanddump. Signed-off-by: Brian Norris --- feature-removal-schedule.txt | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+), 0 deletions(-) diff --git a/feature-removal-schedule.txt b/feature-removal-schedule.txt index a5980f7..f9910f1 100644 --- a/feature-removal-schedule.txt +++ b/feature-removal-schedule.txt @@ -40,3 +40,29 @@ This is duplicating behavior with the mtdinfo utility. Now the util warns when people use it, but it'll be removed in release 1.4.6. --------------------------- + +4. Rename --noskipbad option, kill --omitbad, change default BB method for nanddump + +Our bad block handling methods are getting disorganized. They will be replaced +by a series of --bb=METHOD options (see `nanddump --help'). + +In addition, the previous default bad block behavior was to dump 0xFF in place +of bad blocks. This was not a good "inverse operation" of nandwrite. Thus, the +current default behavior has become the (new) option --bb=padbad, and in 1.4.6, +the default will be --bb=skipbad. + +The new `--bb=METHOD' options are included in this release, but all feature +removals and changed defaults will occur in 1.4.6. For now, there are +appropriate deprecation warning messages and an alert telling about the +soon-to-be-default settings. + +Transition summary table: +----------------------------------------------------------------------------------------------------------- + Old option New option Comment +----------------------------------------------------------------------------------------------------------- + --bb=padbad dump flash data, substituting 0xFF for any bad blocks + --noskipbad --bb=dumpbad dump flash data, including any bad blocks + --skipbad --bb=skipbad, dump good data, completely skipping any bad blocks (new default) + --omitbad N/A very similar to `skipbad', will be removed soon + +---------------------------