os/kstore: add missing include

MaxKellermann · MaxKellermann · commit 7f3ea86094f7 · 2025-02-07T12:57:49.000+01:00
Signed-off-by: Max Kellermann &lt;max.kellermann@ionos.com&gt;
diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
@@ -33,6 +33,8 @@
 #include "common/Formatter.h"
 #include "common/pretty_binary.h"
 
+#include <shared_mutex> // for std::shared_lock
+
 #define dout_context cct
 #define dout_subsys ceph_subsys_kstore
 
