1 files changed, 9 insertions, 0 deletions
diff --git a/src/mongo/s/shardconnection.cpp b/src/mongo/s/shardconnection.cpp
index 61b47904147..6d21234071a 100644
--- a/src/mongo/s/shardconnection.cpp
+++ b/src/mongo/s/shardconnection.cpp
@@ -322,6 +322,11 @@ namespace mongo {
             _hosts.clear();
         }
 
+        void forgetNS( const string& ns ) {
+            scoped_spinlock lock( _lock );
+            _seenNS.erase( ns );
+        }
+
         // -----
 
         static thread_specific_ptr<ClientConnections> _perThread;
@@ -487,4 +492,8 @@ namespace mongo {
         shardConnectionPool.clear();
         ClientConnections::threadInstance()->clearPool();
     }
+
+    void ShardConnection::forgetNS( const string& ns ) {
+        ClientConnections::threadInstance()->forgetNS( ns );
+    }
 }