diff --git a/images/remap-file-path.proto b/images/remap-file-path.proto
index 2221800c7..3cc78a25e 100644
--- a/images/remap-file-path.proto
+++ b/images/remap-file-path.proto
@@ -4,6 +4,9 @@ enum remap_type {
   LINKED		= 0;
   GHOST 		= 1;
   PROCFS		= 2;
+  // Reserved for spfs manager
+  // SPFS		= 3;
+  // SPFS_LINKED	= 4;
 };
 
 message remap_file_path_entry {