This change adds LOOP_SET_BLOCK_SIZE as one of the supported ioctls
in lo_compat_ioctl. It only takes an unsigned long argument, and
in practice a 32-bit value works fine.
Reviewed-by: NOmar Sandoval <osandov@fb.com>
Signed-off-by: NEvan Green <evgreen@chromium.org>
Signed-off-by: NJens Axboe <axboe@kernel.dk>