mds: make is_dirty() const in parent and child

Otherwise we're overriding the wrong method!  Der.

diff --git a/src/mds/SimpleLock.h b/src/mds/SimpleLock.h
index 417e2c5d282fb7ee283ea55d9e1f9d80400742c0..2fb9eb398686823995fa2cde1d1f1c4aa45a0675 100644 (file)
--- a/src/mds/SimpleLock.h
+++ b/src/mds/SimpleLock.h
@@ -347,7 +347,7 @@ public:
 
 
 
-  virtual bool is_dirty() { return false; }
+  virtual bool is_dirty() const { return false; }
 
 
   // can_*