We should pre-ack async tx descriptor at time of
allocating sba_request (just like other RAID drivers).
Signed-off-by: NAnup Patel <anup.patel@broadcom.com>
Reviewed-by: NRay Jui <ray.jui@broadcom.com>
Reviewed-by: NScott Branden <scott.branden@broadcom.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>