From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mms2.broadcom.com ([216.31.210.18]) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QZ3CX-0008BZ-HE for linux-mtd@lists.infradead.org; Tue, 21 Jun 2011 15:49:22 +0000 From: "Brian Norris" To: "Artem Bityutskiy" Subject: [PATCH v2 5/7] feature-removal-schedule: describe nanddump changes Date: Tue, 21 Jun 2011 08:46:39 -0700 Message-ID: <1308671201-18197-6-git-send-email-computersforpeace@gmail.com> In-Reply-To: <1308671201-18197-1-git-send-email-computersforpeace@gmail.com> References: <1308671201-18197-1-git-send-email-computersforpeace@gmail.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: linux-mtd@lists.infradead.org, Brian Norris , David Woodhouse , Mike Frysinger List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Include a few notes about the edited options and new default options in nanddump. Signed-off-by: Brian Norris --- feature-removal-schedule.txt | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-) diff --git a/feature-removal-schedule.txt b/feature-removal-schedule.txt index a5980f7..b1bc3e4 100644 --- a/feature-removal-schedule.txt +++ b/feature-removal-schedule.txt @@ -40,3 +40,28 @@ 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. + +All of these changes will occur in 1.4.6. For now, there are appropriate +deprecation warning messages and an alert telling about the soon-to-be-default +options. + +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 + +--------------------------- -- 1.7.0.4