[lustre-devel] [PATCH 220/622] lnet: use right address for routing message

[James Simmons]

From: Alexey Lyashkov <c17817 at cray.com>

msg_initiator is real sender address, so use this address as
hash source to better distribution against CPT on server side.

Cray-bug-id: LUS-6841
WC-bug-id: https://jira.whamcloud.com/browse/LU-11413
Lustre-commit: ad263e5d6e93 ("LU-11413 lnet: use right address for routing message")
Signed-off-by: Alexey Lyashkov <c17817 at cray.com>
Reviewed-on: https://review.whamcloud.com/34032
Reviewed-by: Chris Horn <hornc at cray.com>
Reviewed-by: Olaf Weber <olaf.weber at hpe.com>
Reviewed-by: Oleg Drokin <green at whamcloud.com>
Signed-off-by: James Simmons <jsimmons at infradead.org>
---
 net/lnet/lnet/lib-move.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/lnet/lnet/lib-move.c b/net/lnet/lnet/lib-move.c
index 468de06..185c31a 100644
--- a/net/lnet/lnet/lib-move.c
+++ b/net/lnet/lnet/lib-move.c
@@ -3463,7 +3463,7 @@ void lnet_monitor_thr_stop(void)
 	info.mi_rlength	= hdr->payload_length;
 	info.mi_roffset	= hdr->msg.put.offset;
 	info.mi_mbits = hdr->msg.put.match_bits;
-	info.mi_cpt = lnet_cpt_of_nid(msg->msg_rxpeer->lpni_nid, ni);
+	info.mi_cpt = lnet_cpt_of_nid(msg->msg_initiator, ni);
 
 	msg->msg_rx_ready_delay = !ni->ni_net->net_lnd->lnd_eager_recv;
 	ready_delay = msg->msg_rx_ready_delay;
@@ -3527,7 +3527,7 @@ void lnet_monitor_thr_stop(void)
 	info.mi_rlength = hdr->msg.get.sink_length;
 	info.mi_roffset = hdr->msg.get.src_offset;
 	info.mi_mbits = hdr->msg.get.match_bits;
-	info.mi_cpt = lnet_cpt_of_nid(msg->msg_rxpeer->lpni_nid, ni);
+	info.mi_cpt = lnet_cpt_of_nid(msg->msg_initiator, ni);
 
 	rc = lnet_ptl_match_md(&info, msg);
 	if (rc == LNET_MATCHMD_DROP) {
-- 
1.8.3.1