mds: break ancestor walk if node is export_pinned

i.e. don't keep walking the parents after adding the ancestor (or the node
itself) to the export_pin_queue.

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc
index d551f1837e1ed5df99d6cbc4a195321323f915de..73054cb8375fb2fff08813fd4c995b5b423792b6 100644 (file)
--- a/src/mds/CInode.cc
+++ b/src/mds/CInode.cc
@@ -4414,9 +4414,8 @@ void CInode::maybe_export_pin()
           if (pin != mdcache->mds->get_nodeid()) {
             dout(20) << "adding ancestor to export_pin_queue " << *auth_last << dendl;
             mdcache->export_pin_queue.insert(auth_last);
-          } else {
-            break; /* it is correctly pinned here! */
           }
+          break;
         }
       }
     } else {