From: Chris Horn <chris.horn@hpe.com>
Date: Fri, 27 Aug 2021 21:59:33 +0000 (-0500)
Subject: LU-13575 lnet: Ensure round robin selection of peer NIs
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=de5ec2f241cade593a2a93b7c65f2796730a380f;p=fs%2Flustre-release.git

LU-13575 lnet: Ensure round robin selection of peer NIs

Use the peer net sequence number to set the peer NI sequence number to
ensure round robin selection of peer NIs on each peer net.

Lustre-change: https://review.whamcloud.com/45004
Lustre-commit: c51763948abfdbdc8e3f3ea7e73f2632320a095a

HPE-bug-id: LUS-10349
Test-Parameters: trivial
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I1fa14ad675ead4ae2c5b1d4edad250caa4498df2
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/52471
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Frank Sehr <fsehr@whamcloud.com>
---

diff --git a/lnet/lnet/lib-move.c b/lnet/lnet/lib-move.c
index ca04d9c..f58a1bc 100644
--- a/lnet/lnet/lib-move.c
+++ b/lnet/lnet/lib-move.c
@@ -1818,8 +1818,8 @@ lnet_handle_send(struct lnet_send_data *sd)
 	 * local ni and local net so that we pick the next ones
 	 * in Round Robin.
 	 */
-	best_lpni->lpni_seq++;
 	best_lpni->lpni_peer_net->lpn_seq++;
+	best_lpni->lpni_seq = best_lpni->lpni_peer_net->lpn_seq;
 	best_ni->ni_net->net_seq++;
 	best_ni->ni_seq = best_ni->ni_net->net_seq;