* 'linux-next' of git://git.infradead.org/ubi-2.6:
UBI: allow direct user-space I/O
UBI: fix resource de-allocation
UBI: remove unused variable
UBI: use nicer 64-bit math
UBI: add ioctl compatibility
UBI: constify file operations
UBI: allow all ioctls
UBI: remove unnecessry header inclusion
UBI: improve ioctl commentaries
UBI: add ioctl for is_mapped operation
UBI: add ioctl for unmap operation
UBI: add ioctl for map operation