This patch avoids that the kernel-doc tool warns about this function
header when building with W=1.
Reviewed-by: NChaitanya Kulkarni <chiatanya.kulkarni@wdc.com>
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NJens Axboe <axboe@kernel.dk>