rename check_busy acceleration callback to check_ready

diff -r b3878575ba25 drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c	Tue Oct 30 13:25:17 2007 +0000
+++ b/drivers/xen/netfront/accel.c	Tue Oct 30 13:26:21 2007 +0000
@@ -605,8 +605,8 @@ EXPORT_SYMBOL_GPL(netfront_accelerator_s
 
 
 
-int netfront_check_accelerator_queue_busy(struct net_device *dev,
-					  struct netfront_info *np)
+int netfront_check_accelerator_queue_ready(struct net_device *dev,
+					   struct netfront_info *np)
 {
 	struct netfront_accelerator *accelerator;
 	struct netfront_accel_hooks *hooks;
@@ -616,7 +616,7 @@ int netfront_check_accelerator_queue_bus
 	accelerator = np->accelerator;
 
 	/*
-	 * Call the check busy accelerator hook. The use count for the
+	 * Call the check ready accelerator hook. The use count for the
 	 * accelerator's hooks is incremented for the duration of the
 	 * call to prevent the accelerator being able to modify the
 	 * hooks in the middle (by, for example, unloading)
@@ -629,7 +629,7 @@ int netfront_check_accelerator_queue_bus
 			spin_unlock_irqrestore
 				(&accelerator->vif_states_lock, flags);
 
-			rc = np->accel_vif_state.hooks->check_busy(dev);
+			rc = np->accel_vif_state.hooks->check_ready(dev);
 			
 			kref_put(&np->accel_vif_state.vif_kref,
 				 vif_kref_release);
diff -r b3878575ba25 drivers/xen/netfront/netfront.c
--- a/drivers/xen/netfront/netfront.c	Tue Oct 30 13:25:17 2007 +0000
+++ b/drivers/xen/netfront/netfront.c	Tue Oct 30 13:25:17 2007 +0000
@@ -593,12 +593,12 @@ static inline void network_maybe_wake_tx
 	if (unlikely(netif_queue_stopped(dev)) &&
 	    netfront_tx_slot_available(np) &&
 	    likely(netif_running(dev)) &&
-	    netfront_check_accelerator_queue_busy(dev, np))
+	    netfront_check_accelerator_queue_ready(dev, np))
 		netif_wake_queue(dev);
 }
 
 
-int netfront_check_queue_busy(struct net_device *dev)
+int netfront_check_queue_ready(struct net_device *dev)
 {
 	struct netfront_info *np = netdev_priv(dev);
 
@@ -606,7 +606,7 @@ int netfront_check_queue_busy(struct net
 		netfront_tx_slot_available(np) &&
 		likely(netif_running(dev));
 }
-EXPORT_SYMBOL(netfront_check_queue_busy);
+EXPORT_SYMBOL(netfront_check_queue_ready);
 
 
 static int network_open(struct net_device *dev)
diff -r b3878575ba25 drivers/xen/netfront/netfront.h
--- a/drivers/xen/netfront/netfront.h	Tue Oct 30 13:25:17 2007 +0000
+++ b/drivers/xen/netfront/netfront.h	Tue Oct 30 13:25:17 2007 +0000
@@ -85,7 +85,7 @@ struct netfront_accel_hooks {
 	 * Called before re-enabling the TX queue to check the fast
 	 * path has slots too
 	 */
-	int (*check_busy)(struct net_device *dev);
+	int (*check_ready)(struct net_device *dev);
 	/*
 	 * Get the fastpath network statistics
 	 */
@@ -254,7 +254,7 @@ extern void netfront_accelerator_stop(co
  * ensure the slow path has available slots.  Returns true if OK to
  * wake, false if still busy 
  */
-extern int netfront_check_queue_busy(struct net_device *net_dev);
+extern int netfront_check_queue_ready(struct net_device *net_dev);
 
 
 
@@ -266,8 +266,8 @@ extern int netfront_check_queue_busy(str
  * if still busy
  */ 
 extern 
-int netfront_check_accelerator_queue_busy(struct net_device *dev,
-					  struct netfront_info *np);
+int netfront_check_accelerator_queue_ready(struct net_device *dev,
+					   struct netfront_info *np);
 extern
 int netfront_accelerator_call_remove(struct netfront_info *np,
 				     struct xenbus_device *dev);