mds/server: check directory split after rename.

fixes: http://tracker.ceph.com/issues/38994
Signed-off-by: Shen Hang <harryshen18@gmail.com>

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 654c1748802cb4176f502105c37d45726f04c4f5..68ddae647e77d1b6770250f12c89110c92fb444f 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -7745,6 +7745,7 @@ void Server::handle_client_rename(MDRequestRef& mdr)
   C_MDS_rename_finish *fin = new C_MDS_rename_finish(this, mdr, srcdn, destdn, straydn);
 
   journal_and_reply(mdr, srci, destdn, le, fin);
+  mds->balancer->maybe_fragment(destdn->get_dir(), false);
 }