buffer: add iterator::get_bl()

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

diff --git a/src/include/buffer.h b/src/include/buffer.h
index 3cd0a7a19a0727447bd6f9d7bf3de16a86a31674..7bff8c704b4a8743553674203e1cd84f5a6795b8 100644 (file)
--- a/src/include/buffer.h
+++ b/src/include/buffer.h
@@ -297,6 +297,8 @@ public:
       iterator& operator++();
       ptr get_current_ptr();
 
+      list& get_bl() { return *bl; }
+
       // copy data out.
       // note that these all _append_ to dest!
       void copy(unsigned len, char *dest);