[SCSI] hpsa add sysfs debug switch for raid map debugging messages

Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index fe8d281..c4a81f0 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -199,6 +199,7 @@
 		CTLR_STATE_CHANGE_EVENT_AIO_CONFIG_CHANGE)
 	int	acciopath_status;
 	int	drv_req_rescan;	/* flag for driver to request rescan event */
+	int	raid_offload_debug;
 };
 #define HPSA_ABORT_MSG 0
 #define HPSA_DEVICE_RESET_MSG 1