[patch 1/3] OCFS2 - Expose struct o2nm_cluster

Subsequent patches (namely userspace heartbeat and configurable timeouts)
require access to the o2nm_cluster struct.  This patch does the necessary
shuffling.

Signed-off-by: Andrew Beekhof <abeekhof@suse.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

2 files changed, 15 insertions, 12 deletions

diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index d11753c50bc1..dd4aefa11b3d 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -35,7 +35,7 @@
 /* for now we operate under the assertion that there can be only one
  * cluster active at a time.  Changing this will require trickling
  * cluster references throughout where nodes are looked up */
-static struct o2nm_cluster *o2nm_single_cluster = NULL;
+struct o2nm_cluster *o2nm_single_cluster = NULL;
 
 #define OCFS2_MAX_HB_CTL_PATH 256
 static char ocfs2_hb_ctl_path[OCFS2_MAX_HB_CTL_PATH] = "/sbin/ocfs2_hb_ctl";
@@ -97,17 +97,6 @@ const char *o2nm_get_hb_ctl_path(void)
 }
 EXPORT_SYMBOL_GPL(o2nm_get_hb_ctl_path);
 
-struct o2nm_cluster {
-        struct config_group     cl_group;
-        unsigned                cl_has_local:1;
-        u8                      cl_local_node;
-        rwlock_t                cl_nodes_lock;
-        struct o2nm_node        *cl_nodes[O2NM_MAX_NODES];
-        struct rb_root          cl_node_ip_tree;
-        /* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */
-        unsigned long   cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
-};
-
 struct o2nm_node *o2nm_get_node_by_num(u8 node_num)
 {
         struct o2nm_node *node = NULL;
diff --git a/fs/ocfs2/cluster/nodemanager.h b/fs/ocfs2/cluster/nodemanager.h
index fce8033c310f..b571cda9fbb7 100644
--- a/fs/ocfs2/cluster/nodemanager.h
+++ b/fs/ocfs2/cluster/nodemanager.h
@@ -53,6 +53,20 @@ struct o2nm_node {
         unsigned long           nd_set_attributes;
 };
 
+struct o2nm_cluster {
+        struct config_group     cl_group;
+        unsigned                cl_has_local:1;
+        u8                      cl_local_node;
+        rwlock_t                cl_nodes_lock;
+        struct o2nm_node        *cl_nodes[O2NM_MAX_NODES];
+        struct rb_root          cl_node_ip_tree;
+
+        /* this bitmap is part of a hack for disk bitmap.. will go eventually. - zab */
+        unsigned long   cl_nodes_bitmap[BITS_TO_LONGS(O2NM_MAX_NODES)];
+};
+
+extern struct o2nm_cluster *o2nm_single_cluster;
+
 u8 o2nm_this_node(void);
 
 int o2nm_configured_node_map(unsigned long *map, unsigned bytes);