Increment the command and the completion counts.

Link: https://lore.kernel.org/r/20210624052606.21613-11-njavali@marvell.comSigned-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>