From 519eb2a31edabc613ad8caf901ef2fd7a945dd38 Mon Sep 17 00:00:00 2001
From: Binbin <binloveplay1314@qq.com>
Date: Mon, 21 Oct 2024 11:16:25 +0800
Subject: [PATCH] removing mf_is_primary_failover

Signed-off-by: Binbin <binloveplay1314@qq.com>
---
 src/cluster_legacy.c | 21 +++++----------------
 src/cluster_legacy.h |  1 -
 2 files changed, 5 insertions(+), 17 deletions(-)

diff --git a/src/cluster_legacy.c b/src/cluster_legacy.c
index 7ab0613f8a..3a3be879f8 100644
--- a/src/cluster_legacy.c
+++ b/src/cluster_legacy.c
@@ -3502,14 +3502,10 @@ int clusterProcessPacket(clusterLink *link) {
          * a non zero number of slots, and its currentEpoch is greater or
          * equal to epoch where this node started the election. */
         if (clusterNodeIsVotingPrimary(sender) && sender_claimed_current_epoch >= server.cluster->failover_auth_epoch) {
-            /* todo: see if this needed. */
-            /* My primary has already voted for me, so don't count it anymore. */
-            if (!(sender == myself->replicaof && server.cluster->mf_is_primary_failover)) {
-                server.cluster->failover_auth_count++;
-                /* Maybe we reached a quorum here, set a flag to make sure
-                 * we check ASAP. */
-                clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
-            }
+            server.cluster->failover_auth_count++;
+            /* Maybe we reached a quorum here, set a flag to make sure
+             * we check ASAP. */
+            clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
         }
     } else if (type == CLUSTERMSG_TYPE_MFSTART) {
         /* This message is acceptable only if I'm a primary and the sender
@@ -4592,11 +4588,7 @@ void clusterHandleReplicaFailover(void) {
         if (server.cluster->mf_end) {
             server.cluster->failover_auth_time = mstime();
             server.cluster->failover_auth_rank = 0;
-            /* todo: see if this is needed. */
-            /* This is a failover triggered by my primary, let's counts its vote. */
-            if (server.cluster->mf_is_primary_failover) {
-                server.cluster->failover_auth_count++;
-            }
+            server.cluster->failover_auth_count++;
             clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
         }
         serverLog(LL_NOTICE,
@@ -4821,7 +4813,6 @@ void resetManualFailover(void) {
     }
     server.cluster->mf_end = 0; /* No manual failover in progress. */
     server.cluster->mf_can_start = 0;
-    server.cluster->mf_is_primary_failover = 0;
     server.cluster->mf_replica = NULL;
     server.cluster->mf_primary_offset = -1;
 }
@@ -4850,7 +4841,6 @@ void clusterHandleManualFailover(void) {
         /* Our replication offset matches the primary replication offset
          * announced after clients were paused. We can start the failover. */
         server.cluster->mf_can_start = 1;
-        server.cluster->mf_is_primary_failover = 0;
         serverLog(LL_NOTICE, "All primary replication stream processed, "
                              "manual failover can start.");
         clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_FAILOVER);
@@ -6743,7 +6733,6 @@ int clusterCommandSpecial(client *c) {
                 serverLog(LL_NOTICE, "Forced failover user request accepted (user request from '%s').", client);
             }
             server.cluster->mf_can_start = 1;
-            server.cluster->mf_is_primary_failover = 1;
             /* We can start a manual failover as soon as possible, setting a flag
              * here so that we don't need to waiting for the cron to kick in. */
             clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_MANUALFAILOVER);
diff --git a/src/cluster_legacy.h b/src/cluster_legacy.h
index c97ec2df7f..5280644e6e 100644
--- a/src/cluster_legacy.h
+++ b/src/cluster_legacy.h
@@ -393,7 +393,6 @@ struct clusterState {
                                    or -1 if still not received. */
     int mf_can_start;            /* If non-zero signal that the manual failover
                                     can start requesting primary vote. */
-    int mf_is_primary_failover;  /* The manual failover was triggered by my primary. */
     /* The following fields are used by primaries to take state on elections. */
     uint64_t lastVoteEpoch; /* Epoch of the last vote granted. */
     int todo_before_sleep;  /* Things to do in clusterBeforeSleep(). */