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, 4 insertions, 5 deletions

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index fcc7533f0bcc..b6a36d394663 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -92,10 +92,9 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
                                            struct netdev_queue *dev_queue,
                                            struct Qdisc *q)
 {
-        struct net_device *dev = dev_queue->dev;
         int ret;
 
-        if (unlikely(dev->xmit_lock_owner == smp_processor_id())) {
+        if (unlikely(dev_queue->xmit_lock_owner == smp_processor_id())) {
                 /*
                  * Same CPU holding the lock. It may be a transient
                  * configuration error, when hard_start_xmit() recurses. We
@@ -105,7 +104,7 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb,
                 kfree_skb(skb);
                 if (net_ratelimit())
                         printk(KERN_WARNING "Dead loop on netdevice %s, "
-                               "fix it urgently!\n", dev->name);
+                               "fix it urgently!\n", dev_queue->dev->name);
                 ret = qdisc_qlen(q);
         } else {
                 /*
@@ -155,10 +154,10 @@ static inline int qdisc_restart(struct netdev_queue *txq)
 
         dev = txq->dev;
 
-        HARD_TX_LOCK(dev, smp_processor_id());
+        HARD_TX_LOCK(dev, txq, smp_processor_id());
         if (!netif_subqueue_stopped(dev, skb))
                 ret = dev_hard_start_xmit(skb, dev);
-        HARD_TX_UNLOCK(dev);
+        HARD_TX_UNLOCK(dev, txq);
 
         spin_lock(&txq->lock);
         q = txq->qdisc;