Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 31 insertions, 30 deletions

diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 6ac3c543250b..80025a1b3bfd 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -2,7 +2,7 @@
  * net/tipc/name_distr.c: TIPC name distribution code
  *
  * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005, 2010-2011, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,10 +35,7 @@
  */
 
 #include "core.h"
-#include "cluster.h"
-#include "dbg.h"
 #include "link.h"
-#include "msg.h"
 #include "name_distr.h"
 
 #define ITEM_SIZE sizeof(struct distr_item)
@@ -76,7 +73,7 @@ struct distr_item {
  */
 
 static LIST_HEAD(publ_root);
-static u32 publ_cnt = 0;
+static u32 publ_cnt;
 
 /**
  * publ_to_item - add publication info to a publication message
@@ -89,7 +86,6 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
         i->upper = htonl(p->upper);
         i->ref = htonl(p->ref);
         i->key = htonl(p->key);
-        dbg("publ_to_item: %u, %u, %u\n", p->type, p->lower, p->upper);
 }
 
 /**
@@ -98,7 +94,7 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
 
 static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
 {
-        struct sk_buff *buf = buf_acquire(LONG_H_SIZE + size);
+        struct sk_buff *buf = tipc_buf_acquire(LONG_H_SIZE + size);
         struct tipc_msg *msg;
 
         if (buf != NULL) {
@@ -109,6 +105,24 @@ static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
         return buf;
 }
 
+static void named_cluster_distribute(struct sk_buff *buf)
+{
+        struct sk_buff *buf_copy;
+        struct tipc_node *n_ptr;
+
+        list_for_each_entry(n_ptr, &tipc_node_list, list) {
+                if (tipc_node_active_links(n_ptr)) {
+                        buf_copy = skb_copy(buf, GFP_ATOMIC);
+                        if (!buf_copy)
+                                break;
+                        msg_set_destnode(buf_msg(buf_copy), n_ptr->addr);
+                        tipc_link_send(buf_copy, n_ptr->addr, n_ptr->addr);
+                }
+        }
+
+        buf_discard(buf);
+}
+
 /**
  * tipc_named_publish - tell other nodes about a new publication by this node
  */
@@ -129,8 +143,7 @@ void tipc_named_publish(struct publication *publ)
 
         item = (struct distr_item *)msg_data(buf_msg(buf));
         publ_to_item(item, publ);
-        dbg("tipc_named_withdraw: broadcasting publish msg\n");
-        tipc_cltr_broadcast(buf);
+        named_cluster_distribute(buf);
 }
 
 /**
@@ -147,14 +160,13 @@ void tipc_named_withdraw(struct publication *publ)
 
         buf = named_prepare_buf(WITHDRAWAL, ITEM_SIZE, 0);
         if (!buf) {
-                warn("Withdrawl distribution failure\n");
+                warn("Withdrawal distribution failure\n");
                 return;
         }
 
         item = (struct distr_item *)msg_data(buf_msg(buf));
         publ_to_item(item, publ);
-        dbg("tipc_named_withdraw: broadcasting withdraw msg\n");
-        tipc_cltr_broadcast(buf);
+        named_cluster_distribute(buf);
 }
 
 /**
@@ -191,9 +203,6 @@ void tipc_named_node_up(unsigned long node)
                 left -= ITEM_SIZE;
                 if (!left) {
                         msg_set_link_selector(buf_msg(buf), node);
-                        dbg("tipc_named_node_up: sending publish msg to "
-                            "<%u.%u.%u>\n", tipc_zone(node),
-                            tipc_cluster(node), tipc_node(node));
                         tipc_link_send(buf, node, node);
                         buf = NULL;
                 }
@@ -203,26 +212,25 @@ exit:
 }
 
 /**
- * node_is_down - remove publication associated with a failed node
+ * named_purge_publ - remove publication associated with a failed node
  *
  * Invoked for each publication issued by a newly failed node.
  * Removes publication structure from name table & deletes it.
  * In rare cases the link may have come back up again when this
  * function is called, and we have two items representing the same
  * publication. Nudge this item's key to distinguish it from the other.
- * (Note: Publication's node subscription is already unsubscribed.)
  */
 
-static void node_is_down(struct publication *publ)
+static void named_purge_publ(struct publication *publ)
 {
         struct publication *p;
 
         write_lock_bh(&tipc_nametbl_lock);
-        dbg("node_is_down: withdrawing %u, %u, %u\n",
-            publ->type, publ->lower, publ->upper);
         publ->key += 1222345;
         p = tipc_nametbl_remove_publ(publ->type, publ->lower,
                                      publ->node, publ->ref, publ->key);
+        if (p)
+                tipc_nodesub_unsubscribe(&p->subscr);
         write_unlock_bh(&tipc_nametbl_lock);
 
         if (p != publ) {
@@ -231,9 +239,7 @@ static void node_is_down(struct publication *publ)
                     publ->type, publ->lower, publ->node, publ->ref, publ->key);
         }
 
-        if (p) {
-                kfree(p);
-        }
+        kfree(p);
 }
 
 /**
@@ -250,9 +256,6 @@ void tipc_named_recv(struct sk_buff *buf)
         write_lock_bh(&tipc_nametbl_lock);
         while (count--) {
                 if (msg_type(msg) == PUBLICATION) {
-                        dbg("tipc_named_recv: got publication for %u, %u, %u\n",
-                            ntohl(item->type), ntohl(item->lower),
-                            ntohl(item->upper));
                         publ = tipc_nametbl_insert_publ(ntohl(item->type),
                                                         ntohl(item->lower),
                                                         ntohl(item->upper),
@@ -264,12 +267,10 @@ void tipc_named_recv(struct sk_buff *buf)
                                 tipc_nodesub_subscribe(&publ->subscr,
                                                        msg_orignode(msg),
                                                        publ,
-                                                       (net_ev_handler)node_is_down);
+                                                       (net_ev_handler)
+                                                       named_purge_publ);
                         }
                 } else if (msg_type(msg) == WITHDRAWAL) {
-                        dbg("tipc_named_recv: got withdrawl for %u, %u, %u\n",
-                            ntohl(item->type), ntohl(item->lower),
-                            ntohl(item->upper));
                         publ = tipc_nametbl_remove_publ(ntohl(item->type),
                                                         ntohl(item->lower),
                                                         msg_orignode(msg),