From 46f7655a815fa0a850d309fb64fa0e988fd32889 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 3 Feb 2012 11:07:54 -0500
Subject: [PATCH] RDS Make sure we check for congestion updates during
 rds_send_xmit

Signed-off-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Bang Nguyen <bang.nguyen@oracle.com>
---
 net/rds/send.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/rds/send.c b/net/rds/send.c
index 0cbddbc942f5..11a6728e3a06 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -418,7 +418,8 @@ over_batch:
 	 */
 	if (ret == 0) {
 		smp_mb();
-		if (!list_empty(&conn->c_send_queue) &&
+		if ((test_bit(0, &conn->c_map_queued) ||
+		     !list_empty(&conn->c_send_queue)) &&
 		    send_gen == conn->c_send_gen) {
 			rds_stats_inc(s_send_lock_queue_raced);
 			goto restart;
-- 
2.50.1