+#define ext2_journal_ino(sb) (*((__u32 *)sb + 0x38))
+#endif
+#ifndef HAVE_EXT2_INO_T
+typedef ino_t ext2_ino_t;
+#endif
+
+#ifndef EXT3_FEATURE_COMPAT_HAS_JOURNAL
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004
+#endif
+#ifndef EXT2_FEATURE_INCOMPAT_FILETYPE
+#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002
+#endif
+#ifndef EXT3_FEATURE_INCOMPAT_RECOVER
+#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004
+#endif
+#ifndef EXT3_FEATURE_INCOMPAT_JOURNAL_DEV
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008
+#endif
+
+#ifndef EXT2_LIB_FEATURE_INCOMPAT_SUPP
+#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT3_FEATURE_INCOMPAT_RECOVER | \
+ EXT2_FEATURE_INCOMPAT_FILETYPE)