include/encoding: add decode_noclear() variant for map<> decode with comparator

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

diff --git a/src/include/encoding.h b/src/include/encoding.h
index a4b5d03d33e3fb53a6ea6b08f99aaa7e668a6ec9..b137f329b74b05fd9100566eba97f59c01677258 100644 (file)
--- a/src/include/encoding.h
+++ b/src/include/encoding.h
@@ -676,6 +676,17 @@ inline void decode(std::map<T,U,C>& m, bufferlist::iterator& p)
     decode(m[k], p);
   }
 }
+template<class T, class U, class C>
+inline void decode_noclear(std::map<T,U,C>& m, bufferlist::iterator& p)
+{
+  __u32 n;
+  decode(n, p);
+  while (n--) {
+    T k;
+    decode(k, p);
+    decode(m[k], p);
+  }
+}
 template<class T, class U>
 inline void decode_noclear(std::map<T,U>& m, bufferlist::iterator& p)
 {