ocfs2: cleanup unused func declaration and assignment

Link: http://lkml.kernel.org/r/59E064BB.8000005@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Author: JunPiaoHW

fs/ocfs2/alloc.c

@@ -3585,8 +3585,6 @@ static int ocfs2_merge_rec_left(struct ocfs2_path *right_path,
 		 * The easy case - we can just plop the record right in.
 		 */
 		*left_rec = *split_rec;
-
-		has_empty_extent = 0;
 	} else
 		le16_add_cpu(&left_rec->e_leaf_clusters, split_clusters);
 

fs/ocfs2/cluster/heartbeat.h

@@ -79,10 +79,8 @@ void o2hb_fill_node_map(unsigned long *map,
 			unsigned bytes);
 void o2hb_exit(void);
 int o2hb_init(void);
-int o2hb_check_node_heartbeating(u8 node_num);
 int o2hb_check_node_heartbeating_no_sem(u8 node_num);
 int o2hb_check_node_heartbeating_from_callback(u8 node_num);
-int o2hb_check_local_node_heartbeating(void);
 void o2hb_stop_all_regions(void);
 int o2hb_get_all_regions(char *region_uuids, u8 numregions);
 int o2hb_global_heartbeat_active(void);