SUNRPC: Eliminate the now-redundant rpc_start_wakeup()

Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/sched.h

@@ -142,8 +142,7 @@ struct rpc_task_setup {
 
 #define RPC_TASK_RUNNING	0
 #define RPC_TASK_QUEUED		1
-#define RPC_TASK_WAKEUP		2
-#define RPC_TASK_ACTIVE		3
+#define RPC_TASK_ACTIVE		2
 
 #define RPC_IS_RUNNING(t)	test_bit(RPC_TASK_RUNNING, &(t)->tk_runstate)
 #define rpc_set_running(t)	set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate)
@@ -165,15 +164,6 @@ struct rpc_task_setup {
 		smp_mb__after_clear_bit(); \
 	} while (0)
 
-#define rpc_start_wakeup(t) \
-	(test_and_set_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate) == 0)
-#define rpc_finish_wakeup(t) \
-	do { \
-		smp_mb__before_clear_bit(); \
-		clear_bit(RPC_TASK_WAKEUP, &(t)->tk_runstate); \
-		smp_mb__after_clear_bit(); \
-	} while (0)
-
 #define RPC_IS_ACTIVATED(t)	test_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate)
 
 /*

net/sunrpc/sched.c

@@ -384,12 +384,8 @@ static void __rpc_do_wake_up_task(struct rpc_wait_queue *queue, struct rpc_task
  */
 static void rpc_wake_up_task_queue_locked(struct rpc_wait_queue *queue, struct rpc_task *task)
 {
-	if (!RPC_IS_QUEUED(task) || task->tk_waitqueue != queue)
-		return;
-	if (rpc_start_wakeup(task)) {
-			__rpc_do_wake_up_task(queue, task);
-		rpc_finish_wakeup(task);
-	}
+	if (RPC_IS_QUEUED(task) && task->tk_waitqueue == queue)
+		__rpc_do_wake_up_task(queue, task);
 }
 
 /*