rgw: drain requests before exiting

Fixes: #5953

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
(cherry picked from commit 3cbf6a7b031c2ce8072733c5c0b7ceb53fdcb090)

1 files changed, 1 insertions, 0 deletions

diff --git a/src/rgw/rgw_main.cc b/src/rgw/rgw_main.cc
index 5270f21be22..12301ba9c5f 100644
--- a/src/rgw/rgw_main.cc
+++ b/src/rgw/rgw_main.cc
@@ -257,6 +257,7 @@ void RGWProcess::run()
     req_wq.queue(req);
   }
 
+  m_tp.drain();
   m_tp.stop();
 }