objectstore: implement Transaction::swap()

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/os/ObjectStore.h b/src/os/ObjectStore.h
index 16cc2f6b408c7ac8ade5b4af31d7115dc6f7a3ba..d582712ec392c0df3e6778a5340bd21f1fcdcbab 100644 (file)
--- a/src/os/ObjectStore.h
+++ b/src/os/ObjectStore.h
@@ -159,6 +159,14 @@ public:
 
   public:
 
+    void swap(Transaction& other) {
+      std::swap(ops, other.ops);
+      std::swap(largest_data_len, other.largest_data_len);
+      std::swap(largest_data_off, other.largest_data_off);
+      std::swap(largest_data_off_in_tbl, other.largest_data_off_in_tbl);
+      tbl.swap(other.tbl);
+    }
+
     void append(Transaction& other) {
       ops += other.ops;
       assert(pad_unused_bytes == 0);