RDS: Remove unsignaled_bytes sysctl

Removed unsignaled_bytes sysctl and code to signal
based on it. I believe unsignaled_wrs is more than
sufficient for our purposes.

Signed-off-by: Andy Grover <andy.grover@oracle.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 06c1d7e032d2..48724b71f26c 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -518,7 +518,6 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
                 }
 
                 ic->i_unsignaled_wrs = rds_ib_sysctl_max_unsig_wrs;
-                ic->i_unsignaled_bytes = rds_ib_sysctl_max_unsig_bytes;
                 rds_message_addref(rm);
                 ic->i_rm = rm;
 
@@ -617,12 +616,6 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
                         send->s_wr.send_flags |= IB_SEND_SIGNALED | IB_SEND_SOLICITED;
                 }
 
-                ic->i_unsignaled_bytes -= len;
-                if (ic->i_unsignaled_bytes <= 0) {
-                        ic->i_unsignaled_bytes = rds_ib_sysctl_max_unsig_bytes;
-                        send->s_wr.send_flags |= IB_SEND_SIGNALED | IB_SEND_SOLICITED;
-                }
-
                 /*
                  * Always signal the last one if we're stopping due to flow control.
                  */