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-Tag: 2.14.56~174
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=c51763948abfdbdc8e3f3ea7e73f2632320a095a;hp=a18c4a16246e6185919eda805eca52772bbc3efe

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.

HPE-bug-id: LUS-10349
Test-Parameters: trivial
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I1fa14ad675ead4ae2c5b1d4edad250caa4498df2
Reviewed-on: https://review.whamcloud.com/45004
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lnet/lnet/lib-move.c b/lnet/lnet/lib-move.c
index 53d204e..6117ccb 100644
--- a/lnet/lnet/lib-move.c
+++ b/lnet/lnet/lib-move.c
@@ -1837,8 +1837,8 @@ 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;