linux-kernel - Re: [PATCH 05/44 take 2] [UBI] internal common header

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Message-ID: <20070219123813.GI1038@crusty.rchland.ibm.com>
Date:	Mon, 19 Feb 2007 06:38:14 -0600
From:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>
To:	Christoph Hellwig <hch@...radead.org>,
	Artem Bityutskiy <dedekind@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Frank Haverkamp <haver@...t.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 05/44 take 2] [UBI] internal common header

On Mon, Feb 19, 2007 at 10:54:45AM +0000, Christoph Hellwig wrote:
> On Sat, Feb 17, 2007 at 06:54:49PM +0200, Artem Bityutskiy wrote:
> > +#ifndef __UBI_UBI_H__
> > +#define __UBI_UBI_H__
> > +
> > +#include <linux/mtd/ubi.h>
> > +
> > +/* Version of this UBI implementation */
> > +#define UBI_VERSION 1
> 
> We shouldn't have versions for inkernel interfaces.

The versioning is part of the UBI block headers that are written to the medium.
It is not for in-kernel purposes, but required so things like bootloaders
can understand which version of UBI is on flash.

josh
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