diff --git a/ext4_utils/include/ext4_utils/ext4.h b/ext4_utils/include/ext4_utils/ext4.h
index 974fb2d..219737e 100644
--- a/ext4_utils/include/ext4_utils/ext4.h
+++ b/ext4_utils/include/ext4_utils/ext4.h
@@ -493,6 +493,9 @@
 #define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010
 #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020
 #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040
+#define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT 0x0080
+#define EXT4_FEATURE_RO_COMPAT_QUOTA 0x0100
+#define EXT4_FEATURE_RO_COMPAT_BIGALLOC 0x0200
 
 #define EXT4_FEATURE_INCOMPAT_COMPRESSION 0x0001
 #define EXT4_FEATURE_INCOMPAT_FILETYPE 0x0002