From 65d23a1d75013f328e9a3a1914484514621822ef Mon Sep 17 00:00:00 2001
From: wangzhiqiang <wangzhiqiang95@huawei.com>
Date: Wed, 30 Aug 2023 15:47:42 -0500
Subject: [PATCH] vgchange: acquire an exclusive VG lock for refresh

Concurrent vgchange --refresh commands can lead to hung
tasks in dm code.

Signed-off-by: wangzhiqiang <wangzhiqiang95@huawei.com>
---
 tools/vgchange.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/vgchange.c b/tools/vgchange.c
index e2d3dad02..8c1d605c6 100644
--- a/tools/vgchange.c
+++ b/tools/vgchange.c
@@ -1008,7 +1008,8 @@ int vgchange(struct cmd_context *cmd, int argc, char **argv)
 
 	if (update)
 		flags |= READ_FOR_UPDATE;
-	else if (arg_is_set(cmd, activate_ARG))
+	else if (arg_is_set(cmd, activate_ARG) ||
+		 arg_is_set(cmd, refresh_ARG))
 		flags |= READ_FOR_ACTIVATE;
 
 	if (!(handle = init_processing_handle(cmd, NULL))) {
-- 
2.33.0