xen-blkfront.c: make blkif_ioctl() static
This patch makes the needlessly global blkif_ioctl() static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
authored by Adrian Bunk and committed by Jens Axboe 62aa0054 1ac0ae06