RDS: Move atomic stats from general to ib-specific area

Signed-off-by: Andy Grover <andy.grover@oracle.com>
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 6461a15..657037d 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -132,9 +132,9 @@
 			     wc_status, rds_atomic_send_complete);
 
 	if (op->op_type == RDS_ATOMIC_TYPE_CSWP)
-		rds_stats_inc(s_atomic_cswp);
+		rds_ib_stats_inc(s_ib_atomic_cswp);
 	else
-		rds_stats_inc(s_atomic_fadd);
+		rds_ib_stats_inc(s_ib_atomic_fadd);
 }
 
 /*