From 0be70a1b773ce66ef1803fcce19522fd9c60c07d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Lindstr=C3=B6m?= <jan.lindstrom@mariadb.com>
Date: Mon, 17 Aug 2020 08:57:13 +0300
Subject: MDEV-23483: Set Galera SST thd as system thread

Revert change to MDL and set SST donor thread as a system thread.
Joiner thread was already a system thread.
---
 sql/wsrep_utils.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'sql/wsrep_utils.cc')

diff --git a/sql/wsrep_utils.cc b/sql/wsrep_utils.cc
index 599ece4cb40..e86be3e5d93 100644
--- a/sql/wsrep_utils.cc
+++ b/sql/wsrep_utils.cc
@@ -413,7 +413,7 @@ process::wait ()
   return err_;
 }
 
-thd::thd (my_bool won) : init(), ptr(new THD(0))
+thd::thd (my_bool won, bool system_thread) : init(), ptr(new THD(0))
 {
   if (ptr)
   {
@@ -421,6 +421,8 @@ thd::thd (my_bool won) : init(), ptr(new THD(0))
     ptr->store_globals();
     ptr->variables.option_bits&= ~OPTION_BIN_LOG; // disable binlog
     ptr->variables.wsrep_on = won;
+    if (system_thread)
+      ptr->system_thread= SYSTEM_THREAD_GENERIC;
     ptr->security_ctx->master_access= ~(ulong)0;
     lex_start(ptr);
   }
-- 
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