msg/async/AsyncMessenger: make sure all connection cleanup handler finished

Fixes: http://tracker.ceph.com/issues/16552
Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/src/msg/async/AsyncMessenger.cc b/src/msg/async/AsyncMessenger.cc
index 029942d6677bb9ce73bf0b037fca217ca3721d26..b0e465c71fed39aaaa44c74f154bd6c914bfadcd 100644 (file)
--- a/src/msg/async/AsyncMessenger.cc
+++ b/src/msg/async/AsyncMessenger.cc
@@ -639,6 +639,7 @@ void AsyncMessenger::wait()
 
   // close all connections
   shutdown_connections(false);
+  pool->barrier();
 
   ldout(cct, 10) << __func__ << ": done." << dendl;
   ldout(cct, 1) << __func__ << " complete." << dendl;