o2net_hb_up 111 fs/ocfs2/cluster/tcp.c static struct o2hb_callback_func o2net_hb_up, o2net_hb_down; o2net_hb_up 1779 fs/ocfs2/cluster/tcp.c o2hb_unregister_callback(NULL, &o2net_hb_up); o2net_hb_up 1789 fs/ocfs2/cluster/tcp.c o2hb_setup_callback(&o2net_hb_up, O2HB_NODE_UP_CB, o2net_hb_up 1792 fs/ocfs2/cluster/tcp.c ret = o2hb_register_callback(NULL, &o2net_hb_up);