Commit 0c484240 authored Aug 22, 2015 by santosh.shilimkar@oracle.com Committed by David S. Miller Aug 25, 2015

RDS: check for congestion updates during rds_send_xmit



Ensure we don't keep sending the data if the link is congested.

Reviewed-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 73ce4317

net/rds/send.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -411,7 +411,8 @@ int rds_send_xmit(struct rds_connection *conn)
		*/
		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;