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>
diff --git a/net/rds/iw.h b/net/rds/iw.h
index dd72b62..eef2f0c 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -119,6 +119,7 @@
struct rds_iw_send_work *i_sends;
/* rx */
+ struct tasklet_struct i_recv_tasklet;
struct mutex i_recv_mutex;
struct rds_iw_work_ring i_recv_ring;
struct rds_iw_incoming *i_iwinc;
@@ -330,6 +331,7 @@
int rds_iw_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
size_t size);
void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context);
+void rds_iw_recv_tasklet_fn(unsigned long data);
void rds_iw_recv_init_ring(struct rds_iw_connection *ic);
void rds_iw_recv_clear_ring(struct rds_iw_connection *ic);
void rds_iw_recv_init_ack(struct rds_iw_connection *ic);