[PATCH] UBI: add ioctl compatibility

[Arnd Bergmann]

On Friday 16 January 2009, Artem Bityutskiy wrote:
> From: Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
> Subject: [PATCH] UBI: add ioctl compatibility
> 
> UBI ioctl's do not work when running 64-bit kernel and 32-bit
> user-land. Fix this by adding the compat_ioctl method.
> 
> Also, UBI serializes all ioctls, so more than one ioctl at a time
> is not a problem. Amd UBI does not seem to depend on anything else,
> so use unlocked_ioctl instead of ioctl (no BKL needed).
> 
> Reported-by: Geert Uytterhoeven <Geert.Uytterhoeven at sonycom.com>
> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy at nokia.com>

Looks good now, thanks!

Reviewed-by: Arnd Bergmann <arnd at arndb.de>