linux-kernel - Re: [PATCH 41/44 take 2] [UBI] gluebi unit header

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Date:	Mon, 19 Feb 2007 12:29:48 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Artem Bityutskiy <dedekind@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Frank Haverkamp <haver@...t.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 41/44 take 2] [UBI] gluebi unit header

On Sat, Feb 17, 2007 at 08:04:30PM -0600, Josh Boyer wrote:
> No, the MTD interface isn't flawed.  gluebi is present to make things like
> JFFS2 work on top of UBI volumes with very little adaptations.  If you go
> changing _every_ MTD user to now use either an MTD device or a native UBI
> device, then the code for those users just gets bloated.

That's not what Arnd means.  We really want only one mtd interface that
works transparently with both physical and stackable devices.  That means
instead of adding a new ubi interface you want to add support for stackable
devices to mtd.

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