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[PULL 10/17] net/colo-compare.c: Add secondary old packet detection


From: Jason Wang
Subject: [PULL 10/17] net/colo-compare.c: Add secondary old packet detection
Date: Wed, 11 Nov 2020 21:11:34 +0800

From: Zhang Chen <chen.zhang@intel.com>

Detect queued secondary packet to sync VM state in time.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 net/colo-compare.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/net/colo-compare.c b/net/colo-compare.c
index 1263203..0c87fd9 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -636,19 +636,26 @@ void colo_compare_unregister_notifier(Notifier *notify)
 static int colo_old_packet_check_one_conn(Connection *conn,
                                           CompareState *s)
 {
-    GList *result = NULL;
-
-    result = g_queue_find_custom(&conn->primary_list,
-                                 &s->compare_timeout,
-                                 (GCompareFunc)colo_old_packet_check_one);
+    if (!g_queue_is_empty(&conn->primary_list)) {
+        if (g_queue_find_custom(&conn->primary_list,
+                                &s->compare_timeout,
+                                (GCompareFunc)colo_old_packet_check_one))
+            goto out;
+    }
 
-    if (result) {
-        /* Do checkpoint will flush old packet */
-        colo_compare_inconsistency_notify(s);
-        return 0;
+    if (!g_queue_is_empty(&conn->secondary_list)) {
+        if (g_queue_find_custom(&conn->secondary_list,
+                                &s->compare_timeout,
+                                (GCompareFunc)colo_old_packet_check_one))
+            goto out;
     }
 
     return 1;
+
+out:
+    /* Do checkpoint will flush old packet */
+    colo_compare_inconsistency_notify(s);
+    return 0;
 }
 
 /*
-- 
2.7.4




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