diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2009-04-09 18:09:38 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-10 04:21:16 +0400 |
| commit | d39e0602bb987133321d358d9b837d67c27b223d (patch) | |
| tree | 0353b7c1fd6b9b5672c5d4b74e1935428822a47a | |
| parent | 11bc9421da3040c71fc96da1a31e95217e8cf2af (diff) | |
| download | linux-d39e0602bb987133321d358d9b837d67c27b223d.tar.xz | |
RDS/IW+IB: Set the RDS_LL_SEND_FULL bit when we're throttled.
The RDS_LL_SEND_FULL bit should be set when we stop transmitted due to
flow control. Otherwise the send worker will keep trying as opposed to
sleeping until we unthrottle. Saves CPU.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/rds/ib_send.c | 2 | ||||
| -rw-r--r-- | net/rds/iw_send.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index cb6c52cb1c4c..fa684b7fc748 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -506,7 +506,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, flow_controlled++; } if (work_alloc == 0) { - rds_ib_ring_unalloc(&ic->i_send_ring, work_alloc); + set_bit(RDS_LL_SEND_FULL, &conn->c_flags); rds_ib_stats_inc(s_ib_tx_throttle); ret = -ENOMEM; goto out; diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c index 22dd38ffd608..626290bc7e97 100644 --- a/net/rds/iw_send.c +++ b/net/rds/iw_send.c @@ -549,7 +549,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm, flow_controlled++; } if (work_alloc == 0) { - rds_iw_ring_unalloc(&ic->i_send_ring, work_alloc); + set_bit(RDS_LL_SEND_FULL, &conn->c_flags); rds_iw_stats_inc(s_iw_tx_throttle); ret = -ENOMEM; goto out; |