1 files changed, 28 insertions, 5 deletions

diff --git a/include/bb_e2fs_defs.h b/include/bb_e2fs_defs.h
index 7974497ca..071c660c5 100644
--- a/include/bb_e2fs_defs.h
+++ b/include/bb_e2fs_defs.h
@@ -463,6 +463,7 @@ struct ext2_super_block {
 #define EXT2_HAS_INCOMPAT_FEATURE(sb,mask)                      \
         ( EXT2_SB(sb)->s_feature_incompat & (mask) )
 
+/* for s_feature_compat */
 #define EXT2_FEATURE_COMPAT_DIR_PREALLOC        0x0001
 #define EXT2_FEATURE_COMPAT_IMAGIC_INODES       0x0002
 #define EXT3_FEATURE_COMPAT_HAS_JOURNAL         0x0004
@@ -470,23 +471,45 @@ struct ext2_super_block {
 #define EXT2_FEATURE_COMPAT_RESIZE_INO          0x0010
 #define EXT2_FEATURE_COMPAT_DIR_INDEX           0x0020
 
+/* for s_feature_ro_compat */
 #define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER     0x0001
 #define EXT2_FEATURE_RO_COMPAT_LARGE_FILE       0x0002
-/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR     0x0004 not used */
+#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR        0x0004 /* not used */
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE        0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM         0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK        0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE      0x0040
 
+/* for s_feature_incompat */
 #define EXT2_FEATURE_INCOMPAT_COMPRESSION       0x0001
 #define EXT2_FEATURE_INCOMPAT_FILETYPE          0x0002
-#define EXT3_FEATURE_INCOMPAT_RECOVER           0x0004 /* Needs recovery */
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV       0x0008 /* Journal device */
+#define EXT3_FEATURE_INCOMPAT_RECOVER           0x0004
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV       0x0008
 #define EXT2_FEATURE_INCOMPAT_META_BG           0x0010
-#define EXT3_FEATURE_INCOMPAT_EXTENTS           0x0040
+#define EXT4_FEATURE_INCOMPAT_EXTENTS           0x0040
+#define EXT4_FEATURE_INCOMPAT_64BIT             0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP               0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG           0x0200
 
 
 #define EXT2_FEATURE_COMPAT_SUPP        0
-#define EXT2_FEATURE_INCOMPAT_SUPP      (EXT2_FEATURE_INCOMPAT_FILETYPE)
 #define EXT2_FEATURE_RO_COMPAT_SUPP     (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
                                          EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
                                          EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT2_FEATURE_INCOMPAT_SUPP      (EXT2_FEATURE_INCOMPAT_FILETYPE| \
+                                         EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED       (~EXT2_FEATURE_INCOMPAT_SUPP)
+#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED      (~EXT2_FEATURE_RO_COMPAT_SUPP)
+
+#define EXT3_FEATURE_RO_COMPAT_SUPP     (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+                                         EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+                                         EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT3_FEATURE_INCOMPAT_SUPP      (EXT2_FEATURE_INCOMPAT_FILETYPE| \
+                                         EXT3_FEATURE_INCOMPAT_RECOVER| \
+                                         EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED       (~EXT3_FEATURE_INCOMPAT_SUPP)
+#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED      (~EXT3_FEATURE_RO_COMPAT_SUPP)
+
 
 /*
  * Default values for user and/or group using reserved blocks