From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 3 Feb 2012 16:08:50 +0000 (-0500)
Subject: RDS: Make sure we do a signaled send at least once per large send
X-Git-Tag: v4.1.12-92~319^2^2~2^2~42
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5b10277e9da593e81c8dfd85e60d8a01177e78c8;p=users%2Fjedix%2Flinux-maple.git

RDS: Make sure we do a signaled send at least once per large send

Signed-off-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Bang Nguyen <bang.nguyen@oracle.com>
---

diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index e36720d736bcf..b7f55c556d8c1 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -695,6 +695,11 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
 	if (scat == &rm->data.op_sg[rm->data.op_count]) {
 		prev->s_op = ic->i_data_op;
 		prev->s_wr.send_flags |= IB_SEND_SOLICITED;
+		if (!(prev->s_wr.send_flags & IB_SEND_SIGNALED)) {
+			ic->i_unsignaled_wrs = rds_ib_sysctl_max_unsig_wrs;
+			prev->s_wr.send_flags |= IB_SEND_SIGNALED;
+			nr_sig++;
+		}
 		ic->i_data_op = NULL;
 	}