osd: sync on shutdown

There may be write completion callbacks in flight that depend on what
we're about to tear down.

diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index cc8c15971aaf1b31932b8fbc295b90e6d0b141c4..15ac8eee2a80f403ccc381bbcc730daf28c78c35 100644 (file)
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -434,6 +434,11 @@ int OSD::shutdown()
   timer.cancel_all();
   timer.join();
 
+  // flush data to disk
+  osd_lock.Unlock();
+  store->sync();
+  osd_lock.Lock();
+
   // finish ops
   wait_for_no_ops();