[SCSI] fusion - adding raid support in mptsas

The SAS RAID volumes are reported beyond the expected number of phys.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 25f4406..47053ac 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -630,6 +630,7 @@
 	struct list_head	 sas_topology;
 	struct mutex		 sas_topology_mutex;
 	MPT_SAS_MGMT		 sas_mgmt;
+	int			 num_ports;
 
 	struct list_head	 fc_rports;
 	spinlock_t		 fc_rport_lock; /* list and ri flags */