Commit 0514f8a9 authored Oct 30, 2009 by Andy Grover Committed by David S. Miller Oct 30, 2009

RDS: Do not send congestion updates to loopback connections



This issue was discovered by HP's Pradeep and fixed in OFED
1.3, but not fixed in later versions, since the fix's implementation
was not immediately applyable to the later code. This patch should
do the trick for 1.4+ codebases.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 433d308d

net/rds/cong.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -218,6 +218,8 @@ void rds_cong_queue_updates(struct rds_cong_map *map)
		spin_lock_irqsave(&rds_cong_lock, flags);

		list_for_each_entry(conn, &map->m_conn_list, c_map_item) {
		if (conn->c_loopback)
		continue;
		if (!test_and_set_bit(0, &conn->c_map_queued)) {
		rds_stats_inc(s_cong_update_queued);
		queue_delayed_work(rds_wq, &conn->c_send_w, 0);

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