mds/server: check directory split after rename.

fixes: http://tracker.ceph.com/issues/38994
Signed-off-by: Shen Hang <harryshen18@gmail.com>
(cherry picked from commit 3e82fc51db3d222af009c7e2e70c284bb9d37a85)

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 874b456058c10c2a6f8652e21cd59523ccfb86fa..ed11b6d6718df9abec8556a577288eeb20145158 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -7183,6 +7183,7 @@ 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);
 }