RDS/IB+IW: Move recv processing to a tasklet

Move receive processing from event handler to a tasklet.
This should help prevent hangcheck timer from going off
when RDS is under heavy load.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index a416b0d492b1..394cf6b4d0aa 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -696,6 +696,8 @@ int rds_iw_conn_alloc(struct rds_connection *conn, gfp_t gfp)
                 return -ENOMEM;
 
         INIT_LIST_HEAD(&ic->iw_node);
+        tasklet_init(&ic->i_recv_tasklet, rds_iw_recv_tasklet_fn,
+                     (unsigned long) ic);
         mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
         spin_lock_init(&ic->i_ack_lock);