tipc: remove node subscription infrastructure

The node subscribe infrastructure represents a virtual base class, so
its users, such as struct tipc_port and struct publication, can derive
its implemented functionalities. However, after the removal of struct
tipc_port, struct publication is left as its only single user now. So
defining an abstract infrastructure for one user becomes no longer
reasonable. If corresponding new functions associated with the
infrastructure are moved to name_table.c file, the node subscription
infrastructure can be removed as well.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/tipc/node.h b/net/tipc/node.h
index 005fbcef3212..f1994511f033 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -37,7 +37,6 @@
 #ifndef _TIPC_NODE_H
 #define _TIPC_NODE_H
 
-#include "node_subscr.h"
 #include "addr.h"
 #include "net.h"
 #include "bearer.h"
@@ -104,7 +103,7 @@ struct tipc_node_bclink {
  * @link_cnt: number of links to node
  * @signature: node instance identifier
  * @link_id: local and remote bearer ids of changing link, if any
- * @nsub: list of "node down" subscriptions monitoring node
+ * @publ_list: list of publications
  * @rcu: rcu struct for tipc_node
  */
 struct tipc_node {
@@ -121,7 +120,7 @@ struct tipc_node {
         int working_links;
         u32 signature;
         u32 link_id;
-        struct list_head nsub;
+        struct list_head publ_list;
         struct sk_buff_head waiting_sks;
         struct list_head conn_sks;
         struct rcu_head rcu;