From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from a.ns.miles-group.at ([95.130.255.143] helo=radon.swed.at) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SUlCk-0000t9-A4 for linux-mtd@lists.infradead.org; Wed, 16 May 2012 20:52:19 +0000 From: Richard Weinberger To: linux-mtd@lists.infradead.org Subject: [RFC v5] UBI: Fastmap support (aka checkpointing) Date: Wed, 16 May 2012 22:51:55 +0200 Message-Id: <1337201522-86521-1-git-send-email-richard@nod.at> Cc: Heinz.Egger@linutronix.de, tglx@linutronix.de, tim.bird@am.sony.com, linux-kernel@vger.kernel.org, dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is a bug-fix release. v4 handled static volumes wrong. v6 will address everything that Artem pointed out. v1: https://lwn.net/Articles/481612/ v2: https://lwn.net/Articles/496586/ v3: Didn't release it to linux-mtd v4: http://article.gmane.org/gmane.linux.kernel/1297626 Changes since v1: - renamed it to UBIVIS (at least in Kconfig) - UBIVIS parameters are now configurable via Kconfig - several bugs have been fixed (design and implementation bugs) - added lots of comments to make the review process easier - made checkpatch.pl happy Changes since v2: - minor bugs have been fixed - renamed it to UBI fastmap (as Artem requested) Changes since v3: - changed the on-flash layout (added padding fields, turned the EBA storage into an array) - fixed some corner cases (the protection queue needed some extra work) - removed the data type hint logic - rebased to Artems mtd tree Changes since v4: - fixed static volume handling (used_ebs and last_data_bytes contained bad values in some cases) git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubi2.git ubi2/v5 [PATCH 1/7] [RFC] UBI: Export next_sqnum() [PATCH 2/7] [RFC] UBI: Export compare_lebs() [PATCH 3/7] [RFC] UBI: Add fastmap on-flash layout [PATCH 4/7] [RFC] UBI: Add fastmap structs to ubi_device [PATCH 5/7] [RFC] UBI: Make wl subsystem fastmap aware [PATCH 6/7] [RFC] UBI: Implement fastmapping support [PATCH 7/7] [RFC] UBI: Wire up fastmap support Thanks, //richard