os/bluestore: use correct bound encode size for unused

Signed-off-by: Haomai Wang <haomai@xsky.com>

diff --git a/src/os/bluestore/bluestore_types.h b/src/os/bluestore/bluestore_types.h
index b62a32eea67495615b3c8b97604e9b37df84ca85..c38d528c881b95ff06b902953879f4e2b79e6676 100644 (file)
--- a/src/os/bluestore/bluestore_types.h
+++ b/src/os/bluestore/bluestore_types.h
@@ -519,7 +519,7 @@ public:
     denc(csum_chunk_order, p);
     denc_varint(csum_data.length(), p);
     p += csum_data.length();
-    p += sizeof(unsigned long long);
+    p += sizeof(unused_t);
   }
 
   void encode(bufferlist::contiguous_appender& p, uint64_t struct_v) const {