From 7a98ce31825943223450eb0b109b9b010b764634 Mon Sep 17 00:00:00 2001
From: Ed Cashin <ecashin@coraid.com>
Date: Mon, 17 Dec 2012 16:03:28 -0800
Subject: [PATCH] --- yaml --- r: 346466 b: refs/heads/master c:
 4e78dd144b865162626f811d1097b6d181ec6a31 h: refs/heads/master v: v3

---
 [refs]                           | 2 +-
 trunk/drivers/block/aoe/aoenet.c | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index b97a79e66f37..c9df575d173b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 662a889608dfabbb1b4954b172a6872a25dc8f90
+refs/heads/master: 4e78dd144b865162626f811d1097b6d181ec6a31
diff --git a/trunk/drivers/block/aoe/aoenet.c b/trunk/drivers/block/aoe/aoenet.c
index 162c6471275c..24eca2bf9416 100644
--- a/trunk/drivers/block/aoe/aoenet.c
+++ b/trunk/drivers/block/aoe/aoenet.c
@@ -52,13 +52,18 @@ static struct sk_buff_head skbtxq;
 
 /* enters with txlock held */
 static int
-tx(void)
+tx(void) __must_hold(&txlock)
 {
 	struct sk_buff *skb;
+	struct net_device *ifp;
 
 	while ((skb = skb_dequeue(&skbtxq))) {
 		spin_unlock_irq(&txlock);
-		dev_queue_xmit(skb);
+		ifp = skb->dev;
+		if (dev_queue_xmit(skb) == NET_XMIT_DROP && net_ratelimit())
+			pr_warn("aoe: packet could not be sent on %s.  %s\n",
+				ifp ? ifp->name : "netif",
+				"consider increasing tx_queue_len");
 		spin_lock_irq(&txlock);
 	}
 	return 0;