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| author | Andy Grover <andy.grover@oracle.com> | 2009-10-30 08:51:56 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-30 15:06:39 -0700 |
| commit | 0514f8a9c0cbd26afa70dc56406cc0ee1e134dcf (patch) | |
| tree | 24b34f38a3e9c1f5903a9556b9ac0086f2f7a93c /net/rds/cong.c | |
| parent | 433d308dd85e506bb6529177cc0f997627d87ed6 (diff) | |
| download | linux-0514f8a9c0cbd26afa70dc56406cc0ee1e134dcf.tar.gz linux-0514f8a9c0cbd26afa70dc56406cc0ee1e134dcf.tar.bz2 linux-0514f8a9c0cbd26afa70dc56406cc0ee1e134dcf.zip | |
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>
Diffstat (limited to 'net/rds/cong.c')
| -rw-r--r-- | net/rds/cong.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rds/cong.c b/net/rds/cong.c index dd2711df640b..6d06cac2649c 100644 --- a/net/rds/cong.c +++ b/net/rds/cong.c @@ -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); |