diff --git a/db/d_concurrency.cpp b/db/d_concurrency.cpp
index 6c6bdf60be4..adcae538aa7 100644
--- a/db/d_concurrency.cpp
+++ b/db/d_concurrency.cpp
@@ -9,9 +9,23 @@ using namespace std;
 
 namespace mongo {
 
+#if defined(CLC)
+   
+    static void dbLock(Client& c) {
+        Client::LockStatus& s = c.lockStatus;
+        if( s.db++ == 0 ) { // i.e. allow recursive
+        }
+    }
+
     LockCollectionForReading::LockCollectionForReading(const char *ns)
     {
+        Client& c = cc();
+        lockDb(c);
+
+
 //...
     }
 
+#endif
+
 }
diff --git a/db/database.h b/db/database.h
index 384494cb119..783709c8fba 100644
--- a/db/database.h
+++ b/db/database.h
@@ -130,7 +130,7 @@ namespace mongo {
         CCByLoc ccByLoc;
         int magic; // used for making sure the object is still loaded in memory
 
-        RWLockBase dbLock; // d_concurrency.h
+        RWLockBase dbLock; // see d_concurrency.h
     };
 
 } // namespace mongo