From mboxrd@z Thu Jan  1 00:00:00 1970
From: Artem Bityutskiy <dedekind1@gmail.com>
Subject: Re: [PATCHv3] UBI: new module ubiblk: block layer on top of UBI
Date: Mon, 22 Aug 2011 10:42:13 +0300
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To: david.wagner@free-electrons.com
Cc: linux-mtd <linux-mtd@lists.infradead.org>, linux-embedded <linux-embedded@vger.kernel.org>, lkml <linux-kernel@vger.kernel.org>, Tim Bird <tim.bird@am.sony.com>, David Woodhouse <dwmw2@infradead.org>, Arnd Bergmann <arnd@arndb.de>

On Wed, 2011-08-17 at 15:17 +0200, david.wagner@free-electrons.com
wrote:
> Questions:
> ==========
> I wasn't sure what magic ioctl number to use, so I settled to use the same one
> as a part of UBI: 'O', which was so far only used by UBI but on a higher range
> and leaving some room for UBI to add ioctls (for nw, it uses 'O'/0x00-0x06 and
> ubiblk uses 'O'/0x10-0x11).  Is it ok or should ubiblk use a different
> number/range ?

I think this is OK to share them between UBI and ubiblk, as long as this
is documented. But I always CC Arnd when it comes to ioctl-related
questions.

P.S. Arnd, you can always find the initial post in lkml, if needed.

-- 
Best Regards,
Artem Bityutskiy