[PATCH] UBI: document UBI_IOCVOLUP better in user header

[Artem Bityutskiy]

On Wed, 2013-05-01 at 23:42 -0400, Mike Frysinger wrote:
> The current ioctl define implies that this func expects to be passed a
> 64bit number directly rather than a pointer to a 64bit.  The code that
> processes this ioctl shows that it clearly expects a pointer.
> 
> It'd be best if we could change the type to "__s64*", but that would
> change the generated ioctl number thus breaking the userland ABI.  So
> just add a comment for intrepid developers.
> 
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>

Pushed to linux-ubi.git, thanks!

-- 
Best Regards,
Artem Bityutskiy