+/* Maximum extended attribute size supported by VFS */
+#define XATTR_MAXSIZE (64 * 1024 * 1024)
+
+#ifdef PRIVATE
+/* Maximum extended attribute size in an Apple Double file */
+#define AD_XATTR_MAXSIZE (128 * 1024)
+
+/* Number of bits used to represent the maximum size of
+ * extended attribute stored in an Apple Double file.
+ */
+#define AD_XATTR_SIZE_BITS 18
+#endif /* PRIVATE */
+