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-rw-r--r--net/tipc/node.c73
1 files changed, 25 insertions, 48 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c
index b634942caba5..b4d87eb2dc5d 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -50,7 +50,8 @@ void node_print(struct print_buf *buf, struct tipc_node *n_ptr, char *str);
static void node_lost_contact(struct tipc_node *n_ptr);
static void node_established_contact(struct tipc_node *n_ptr);
-struct tipc_node *tipc_nodes = NULL; /* sorted list of nodes within cluster */
+/* sorted list of nodes within cluster */
+static struct tipc_node *tipc_nodes = NULL;
static DEFINE_SPINLOCK(node_create_lock);
@@ -125,16 +126,6 @@ void tipc_node_delete(struct tipc_node *n_ptr)
if (!n_ptr)
return;
-#if 0
- /* Not needed because links are already deleted via tipc_bearer_stop() */
-
- u32 l_num;
-
- for (l_num = 0; l_num < MAX_BEARERS; l_num++) {
- link_delete(n_ptr->links[l_num]);
- }
-#endif
-
dbg("node %x deleted\n", n_ptr->addr);
kfree(n_ptr);
}
@@ -237,23 +228,22 @@ void tipc_node_link_down(struct tipc_node *n_ptr, struct link *l_ptr)
int tipc_node_has_active_links(struct tipc_node *n_ptr)
{
- return (n_ptr &&
- ((n_ptr->active_links[0]) || (n_ptr->active_links[1])));
+ return n_ptr->active_links[0] != NULL;
}
int tipc_node_has_redundant_links(struct tipc_node *n_ptr)
{
- return (n_ptr->working_links > 1);
+ return n_ptr->working_links > 1;
}
static int tipc_node_has_active_routes(struct tipc_node *n_ptr)
{
- return (n_ptr && (n_ptr->last_router >= 0));
+ return n_ptr && (n_ptr->last_router >= 0);
}
int tipc_node_is_up(struct tipc_node *n_ptr)
{
- return (tipc_node_has_active_links(n_ptr) || tipc_node_has_active_routes(n_ptr));
+ return tipc_node_has_active_links(n_ptr) || tipc_node_has_active_routes(n_ptr);
}
struct tipc_node *tipc_node_attach_link(struct link *l_ptr)
@@ -384,6 +374,20 @@ static void node_established_contact(struct tipc_node *n_ptr)
tipc_highest_allowed_slave);
}
+static void node_cleanup_finished(unsigned long node_addr)
+{
+ struct tipc_node *n_ptr;
+
+ read_lock_bh(&tipc_net_lock);
+ n_ptr = tipc_node_find(node_addr);
+ if (n_ptr) {
+ tipc_node_lock(n_ptr);
+ n_ptr->cleanup_required = 0;
+ tipc_node_unlock(n_ptr);
+ }
+ read_unlock_bh(&tipc_net_lock);
+}
+
static void node_lost_contact(struct tipc_node *n_ptr)
{
struct cluster *c_ptr;
@@ -458,6 +462,11 @@ static void node_lost_contact(struct tipc_node *n_ptr)
tipc_k_signal((Handler)ns->handle_node_down,
(unsigned long)ns->usr_handle);
}
+
+ /* Prevent re-contact with node until all cleanup is done */
+
+ n_ptr->cleanup_required = 1;
+ tipc_k_signal((Handler)node_cleanup_finished, n_ptr->addr);
}
/**
@@ -579,38 +588,6 @@ void tipc_node_remove_router(struct tipc_node *n_ptr, u32 router)
node_lost_contact(n_ptr);
}
-#if 0
-void node_print(struct print_buf *buf, struct tipc_node *n_ptr, char *str)
-{
- u32 i;
-
- tipc_printf(buf, "\n\n%s", str);
- for (i = 0; i < MAX_BEARERS; i++) {
- if (!n_ptr->links[i])
- continue;
- tipc_printf(buf, "Links[%u]: %x, ", i, n_ptr->links[i]);
- }
- tipc_printf(buf, "Active links: [%x,%x]\n",
- n_ptr->active_links[0], n_ptr->active_links[1]);
-}
-#endif
-
-u32 tipc_available_nodes(const u32 domain)
-{
- struct tipc_node *n_ptr;
- u32 cnt = 0;
-
- read_lock_bh(&tipc_net_lock);
- for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) {
- if (!tipc_in_scope(domain, n_ptr->addr))
- continue;
- if (tipc_node_is_up(n_ptr))
- cnt++;
- }
- read_unlock_bh(&tipc_net_lock);
- return cnt;
-}
-
struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)
{
u32 domain;