kstore: flush before we really start a clone

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
index fbf72da2574ae17b892ed8b2cbf3814706b5b76a..283db4d03b8b53fa0c4460a911fab05a9aa71be1 100644 (file)
--- a/src/os/kstore/KStore.cc
+++ b/src/os/kstore/KStore.cc
@@ -3540,6 +3540,8 @@ int KStore::_clone(TransContext *txc,
     _assign_nid(txc, newo);
   }
 
+  oldo->flush();
+
   r = _do_read(oldo, 0, oldo->onode.size, bl, 0);
   if (r < 0)
     goto out;