netdev: Move _xmit_lock and xmit_lock_owner into netdev_queue.

Accesses are mostly structured such that when there are multiple TX
queues the code transformations will be a little bit simpler.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 2 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index b6e52c025fd8..8efa399823e3 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -627,6 +627,18 @@ static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
  */
 static struct lock_class_key vlan_netdev_xmit_lock_key;
 
+static void vlan_dev_set_lockdep_one(struct netdev_queue *txq,
+                                     int subclass)
+{
+        lockdep_set_class_and_subclass(&txq->_xmit_lock,
+                                       &vlan_netdev_xmit_lock_key, subclass);
+}
+
+static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
+{
+        vlan_dev_set_lockdep_one(&dev->tx_queue, subclass);
+}
+
 static const struct header_ops vlan_header_ops = {
         .create  = vlan_dev_hard_header,
         .rebuild = vlan_dev_rebuild_header,
@@ -668,8 +680,7 @@ static int vlan_dev_init(struct net_device *dev)
         if (is_vlan_dev(real_dev))
                 subclass = 1;
 
-        lockdep_set_class_and_subclass(&dev->_xmit_lock,
-                                &vlan_netdev_xmit_lock_key, subclass);
+        vlan_dev_set_lockdep_class(dev, subclass);
         return 0;
 }