ocfs2: clean up some dead code

clean up some unused functions and parameters.

Link: http://lkml.kernel.org/r/598A5E21.2080807@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 38 deletions

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index ffe003982d95..56ac07cd35f6 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -505,8 +505,7 @@ static inline void o2hb_bio_wait_dec(struct o2hb_bio_wait_ctxt *wc,
 	}
 }
 
-static void o2hb_wait_on_io(struct o2hb_region *reg,
-			    struct o2hb_bio_wait_ctxt *wc)
+static void o2hb_wait_on_io(struct o2hb_bio_wait_ctxt *wc)
 {
 	o2hb_bio_wait_dec(wc, 1);
 	wait_for_completion(&wc->wc_io_complete);
@@ -608,7 +607,7 @@ static int o2hb_read_slots(struct o2hb_region *reg,
 	status = 0;
 
 bail_and_wait:
-	o2hb_wait_on_io(reg, &wc);
+	o2hb_wait_on_io(&wc);
 	if (wc.wc_error && !status)
 		status = wc.wc_error;
 
@@ -1162,7 +1161,7 @@ static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)
 	 * before we can go to steady state.  This ensures that
 	 * people we find in our steady state have seen us.
 	 */
-	o2hb_wait_on_io(reg, &write_wc);
+	o2hb_wait_on_io(&write_wc);
 	if (write_wc.wc_error) {
 		/* Do not re-arm the write timeout on I/O error - we
 		 * can't be sure that the new block ever made it to
@@ -1275,7 +1274,7 @@ static int o2hb_thread(void *data)
 		o2hb_prepare_block(reg, 0);
 		ret = o2hb_issue_node_write(reg, &write_wc);
 		if (ret == 0)
-			o2hb_wait_on_io(reg, &write_wc);
+			o2hb_wait_on_io(&write_wc);
 		else
 			mlog_errno(ret);
 	}
@@ -2576,22 +2575,6 @@ void o2hb_unregister_callback(const char *region_uuid,
 }
 EXPORT_SYMBOL_GPL(o2hb_unregister_callback);
 
-int o2hb_check_node_heartbeating(u8 node_num)
-{
-	unsigned long testing_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
-
-	o2hb_fill_node_map(testing_map, sizeof(testing_map));
-	if (!test_bit(node_num, testing_map)) {
-		mlog(ML_HEARTBEAT,
-		     "node (%u) does not have heartbeating enabled.\n",
-		     node_num);
-		return 0;
-	}
-
-	return 1;
-}
-EXPORT_SYMBOL_GPL(o2hb_check_node_heartbeating);
-
 int o2hb_check_node_heartbeating_no_sem(u8 node_num)
 {
 	unsigned long testing_map[BITS_TO_LONGS(O2NM_MAX_NODES)];
@@ -2626,23 +2609,6 @@ int o2hb_check_node_heartbeating_from_callback(u8 node_num)
 }
 EXPORT_SYMBOL_GPL(o2hb_check_node_heartbeating_from_callback);
 
-/* Makes sure our local node is configured with a node number, and is
- * heartbeating. */
-int o2hb_check_local_node_heartbeating(void)
-{
-	u8 node_num;
-
-	/* if this node was set then we have networking */
-	node_num = o2nm_this_node();
-	if (node_num == O2NM_MAX_NODES) {
-		mlog(ML_HEARTBEAT, "this node has not been configured.\n");
-		return 0;
-	}
-
-	return o2hb_check_node_heartbeating(node_num);
-}
-EXPORT_SYMBOL_GPL(o2hb_check_local_node_heartbeating);
-
 /*
  * this is just a hack until we get the plumbing which flips file systems
  * read only and drops the hb ref instead of killing the node dead.