From 04e285e253e70d56d11124f12c307c025e0ef2bb Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Tue, 29 Oct 2024 21:20:31 +0100
Subject: [PATCH] common/fair_mutex: include <thread> only with
 CEPH_DEBUG_MUTEX

The header is only needed for std::this_thread::get_id() which is in
the `#ifdef CEPH_DEBUG_MUTEX` section.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
---
 src/common/fair_mutex.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/common/fair_mutex.h b/src/common/fair_mutex.h
index 9baa04400489..3bf3b9b4aa29 100644
--- a/src/common/fair_mutex.h
+++ b/src/common/fair_mutex.h
@@ -4,7 +4,10 @@
 
 #include "common/ceph_mutex.h"
 
-#include <thread>
+#ifdef CEPH_DEBUG_MUTEX
+#include <thread> // for std::this_thread::get_id()
+#endif
+
 #include <string>
 
 namespace ceph {
-- 
2.47.3