[net,1/2] net/rds: Replace direct refcount_inc() by inline function

diff --git a/net/rds/ib.c b/net/rds/ib.c
index a792d8a..c16cb1a 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -1,5 +1,5 @@ 
 /*
- * Copyright (c) 2006, 2019 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2020 Oracle and/or its affiliates. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -224,10 +224,10 @@  static void rds_ib_add_one(struct ib_device *device)
 	down_write(&rds_ib_devices_lock);
 	list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices);
 	up_write(&rds_ib_devices_lock);
-	refcount_inc(&rds_ibdev->refcount);
+	rds_ib_dev_get(rds_ibdev);
 
 	ib_set_client_data(device, &rds_ib_client, rds_ibdev);
-	refcount_inc(&rds_ibdev->refcount);
+	rds_ib_dev_get(rds_ibdev);
 
 	rds_ib_nodev_connect();
 
@@ -258,7 +258,7 @@  struct rds_ib_device *rds_ib_get_client_data(struct ib_device *device)
 	rcu_read_lock();
 	rds_ibdev = ib_get_client_data(device, &rds_ib_client);
 	if (rds_ibdev)
-		refcount_inc(&rds_ibdev->refcount);
+		rds_ib_dev_get(rds_ibdev);
 	rcu_read_unlock();
 	return rds_ibdev;
 }
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 0296f1f..fe7ea4e 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -361,6 +361,11 @@  static inline void rds_ib_dma_sync_sg_for_device(struct ib_device *dev,
 extern struct rds_transport rds_ib_transport;
 struct rds_ib_device *rds_ib_get_client_data(struct ib_device *device);
 void rds_ib_dev_put(struct rds_ib_device *rds_ibdev);
+static inline void rds_ib_dev_get(struct rds_ib_device *rds_ibdev)
+{
+	refcount_inc(&rds_ibdev->refcount);
+}
+
 extern struct ib_client rds_ib_client;
 
 extern unsigned int rds_ib_retry_count;
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index b34b24e..1b942d80 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -1,5 +1,5 @@ 
 /*
- * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2020 Oracle and/or its affiliates. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -56,7 +56,7 @@  static struct rds_ib_device *rds_ib_get_device(__be32 ipaddr)
 	list_for_each_entry_rcu(rds_ibdev, &rds_ib_devices, list) {
 		list_for_each_entry_rcu(i_ipaddr, &rds_ibdev->ipaddr_list, list) {
 			if (i_ipaddr->ipaddr == ipaddr) {
-				refcount_inc(&rds_ibdev->refcount);
+				rds_ib_dev_get(rds_ibdev);
 				rcu_read_unlock();
 				return rds_ibdev;
 			}
@@ -139,7 +139,7 @@  void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *con
 	spin_unlock_irq(&ib_nodev_conns_lock);
 
 	ic->rds_ibdev = rds_ibdev;
-	refcount_inc(&rds_ibdev->refcount);
+	rds_ib_dev_get(rds_ibdev);
 }
 
 void rds_ib_remove_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn)
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 585e6b3..d5abe0e 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -1,5 +1,5 @@ 
 /*
- * Copyright (c) 2007, 2017 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2020 Oracle and/or its affiliates. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -84,7 +84,7 @@  static struct rds_mr *rds_mr_tree_walk(struct rb_root *root, u64 key,
 	if (insert) {
 		rb_link_node(&insert->r_rb_node, parent, p);
 		rb_insert_color(&insert->r_rb_node, root);
-		refcount_inc(&insert->r_refcount);
+		rds_mr_get(insert);
 	}
 	return NULL;
 }
@@ -343,7 +343,7 @@  static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
 
 	rdsdebug("RDS: get_mr key is %x\n", mr->r_key);
 	if (mr_ret) {
-		refcount_inc(&mr->r_refcount);
+		rds_mr_get(mr);
 		*mr_ret = mr;
 	}
 
@@ -827,7 +827,7 @@  int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
 	if (!mr)
 		err = -EINVAL;	/* invalid r_key */
 	else
-		refcount_inc(&mr->r_refcount);
+		rds_mr_get(mr);
 	spin_unlock_irqrestore(&rs->rs_rdma_lock, flags);
 
 	if (mr) {
diff --git a/net/rds/rds.h b/net/rds/rds.h
index e4a6035..6a665fa 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -953,6 +953,11 @@  static inline void rds_mr_put(struct rds_mr *mr)
 		__rds_put_mr_final(mr);
 }
 
+static inline void rds_mr_get(struct rds_mr *mr)
+{
+	refcount_inc(&mr->r_refcount);
+}
+
 static inline bool rds_destroy_pending(struct rds_connection *conn)
 {
 	return !check_net(rds_conn_net(conn)) ||