msg/Message: add const variant for get_data()

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/msg/Message.h b/src/msg/Message.h
index e103f7936680cb39f6d4279502c5ac72b51cbdff..63e6d11503678093d607cdb6b754ea22c09df7fc 100644 (file)
--- a/src/msg/Message.h
+++ b/src/msg/Message.h
@@ -376,6 +376,7 @@ public:
       byte_throttler->take(data.length());
   }
 
+  const bufferlist& get_data() const { return data; }
   bufferlist& get_data() { return data; }
   void claim_data(bufferlist& bl,
                  unsigned int flags = buffer::list::CLAIM_DEFAULT) {