This modification is for consistency with upcoming adapter type D.
Both adapter type B and D have similar H/W and S/W structure.
Signed-off-by: NChing Huang <ching2048@areca.com.tw>
Reviewed-by: NTomas Henzl <thenzl@redhat.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>