diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc
index 457395e5ebe..11f50fd97d4 100644
--- a/src/mds/CInode.cc
+++ b/src/mds/CInode.cc
@@ -3357,6 +3357,9 @@ int CInode::encode_inodestat(bufferlist& bl, Session *session,
   if (session->connection->has_feature(CEPH_FEATURE_FS_FILE_LAYOUT_V2)) {
     ::encode(layout.pool_ns, bl);
   }
+  if (session->connection->has_feature(CEPH_FEATURE_FS_BTIME)) {
+    ::encode(any_i->btime, bl);
+  }
 
   return valid;
 }
diff --git a/src/messages/MClientReply.h b/src/messages/MClientReply.h
index 44ceae2bf47..21bf239ccde 100644
--- a/src/messages/MClientReply.h
+++ b/src/messages/MClientReply.h
@@ -185,6 +185,10 @@ struct InodeStat {
 
     if ((features & CEPH_FEATURE_FS_FILE_LAYOUT_V2))
       ::decode(layout.pool_ns, p);
+    if ((features & CEPH_FEATURE_FS_BTIME))
+      ::decode(btime, p);
+    else
+      btime = utime_t();
   }
   
   // see CInode::encode_inodestat for encoder.