librbd: clean up unused variable: C_MigrateObject::m_object_size

Fixes: https://tracker.ceph.com/issues/41580
Signed-off-by: mxdInspur <muxiangdong@inspur.com>

diff --git a/src/librbd/operation/MigrateRequest.cc b/src/librbd/operation/MigrateRequest.cc
index 2bb1207007b63e17dca5c22b3db1c21884cc205b..04992ba6443ea68759d0d5143f819374d27da871 100644 (file)
--- a/src/librbd/operation/MigrateRequest.cc
+++ b/src/librbd/operation/MigrateRequest.cc
@@ -54,7 +54,6 @@ public:
   }
 
 private:
-  uint64_t m_object_size;
   ::SnapContext m_snapc;
   uint64_t m_object_no;