Merge PR #60325 into main

* refs/pull/60325/head:
	mds/Beacon: wake up the thread in shutdown()

Reviewed-by: Patrick Donnelly <pdonnell@ibm.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>

src/mds/Beacon.cc

@@ -61,6 +61,7 @@ void Beacon::shutdown()
   std::unique_lock<std::mutex> lock(mutex);
   if (!finished) {
     finished = true;
+    cvar.notify_all();
     lock.unlock();
     if (sender.joinable())
       sender.join();