linux-kernel - Re: [PATCH] UBI: fastmap: fix backward compatibility with image

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Message-ID: <52458377.7040100@nod.at>
Date:	Fri, 27 Sep 2013 15:09:11 +0200
From:	Richard Weinberger <richard@....at>
To:	Richard Genoud <richard.genoud@...il.com>
CC:	Artem Bityutskiy <dedekind1@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] UBI: fastmap: fix backward compatibility with image_seq

Am 27.09.2013 14:51, schrieb Richard Genoud:
> Some old UBI implementations (e.g. U-Boot) have not implemented the image
> sequence feature.
> So, when erase blocks are written, the image sequence in the ec header
> is lost (set to zero).
> UBI scan_all() takes this case into account (commits
> 32bc4820287a1a03982979515949e8ea56eac641 and
> 2eadaad67b2b6bd132eda105128d2d466298b8e3)
> 
> But fastmap scan functions (ubi_scan_fastmap() and scan_pool()) didn't.
> 
> This patch fixes the issue.
> 
> Signed-off-by: Richard Genoud <richard.genoud@...il.com>
> ---

W00t! Good catch!

Acked-by: Richard Weinberger <richard@....at>
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