SUNRPC: Remove unused argument 'action' from rpc_sleep_on_priority()

None of the callers set the 'action' argument, so let's just remove it.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/nfs4proc.c

@@ -1008,7 +1008,7 @@ int nfs4_setup_sequence(struct nfs_client *client,
 out_sleep:
 	if (args->sa_privileged)
 		rpc_sleep_on_priority(&tbl->slot_tbl_waitq, task,
-				NULL, RPC_PRIORITY_PRIVILEGED);
+				RPC_PRIORITY_PRIVILEGED);
 	else
 		rpc_sleep_on(&tbl->slot_tbl_waitq, task, NULL);
 	spin_unlock(&tbl->slot_tbl_lock);

include/linux/sunrpc/sched.h

@@ -231,7 +231,6 @@ void		rpc_sleep_on(struct rpc_wait_queue *, struct rpc_task *,
 					rpc_action action);
 void		rpc_sleep_on_priority(struct rpc_wait_queue *,
 					struct rpc_task *,
-					rpc_action action,
 					int priority);
 void rpc_wake_up_queued_task_on_wq(struct workqueue_struct *wq,
 		struct rpc_wait_queue *queue,

net/sunrpc/sched.c

@@ -409,18 +409,17 @@ void rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
 EXPORT_SYMBOL_GPL(rpc_sleep_on);
 
 void rpc_sleep_on_priority(struct rpc_wait_queue *q, struct rpc_task *task,
-		rpc_action action, int priority)
+		int priority)
 {
 	if (!rpc_sleep_check_activated(task))
 		return;
 
-	rpc_set_tk_callback(task, action);
-
+	priority -= RPC_PRIORITY_LOW;
 	/*
 	 * Protect the queue operations.
 	 */
 	spin_lock_bh(&q->lock);
-	__rpc_sleep_on_priority(q, task, priority - RPC_PRIORITY_LOW);
+	__rpc_sleep_on_priority(q, task, priority);
 	spin_unlock_bh(&q->lock);
 }
 EXPORT_SYMBOL_GPL(rpc_sleep_on_priority);