crimson/os: do not define assignment operator for Value

we cannot assign a reference.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/crimson/os/seastore/onode_manager/staged-fltree/value.h b/src/crimson/os/seastore/onode_manager/staged-fltree/value.h
index 8edf6c1d4bae70bd2da4108d15a1fa647518454c..9813d6ea8cb07e50abd285d7d7411bf2e4d1511e 100644 (file)
--- a/src/crimson/os/seastore/onode_manager/staged-fltree/value.h
+++ b/src/crimson/os/seastore/onode_manager/staged-fltree/value.h
@@ -167,8 +167,8 @@ class Value {
   virtual ~Value();
   Value(const Value&) = default;
   Value(Value&&) = default;
-  Value& operator=(const Value&) = default;
-  Value& operator=(Value&&) = default;
+  Value& operator=(const Value&) = delete;
+  Value& operator=(Value&&) = delete;
 
   /// Returns the value payload size.
   value_size_t get_payload_size() const {