2.6.24

 fs

 hfs

diff --git a/fs/hfs/hfs.h b/fs/hfs/hfs.h
index 1445e3a..c6aae61 100644
--- a/fs/hfs/hfs.h
+++ b/fs/hfs/hfs.h
@@ -28,6 +28,8 @@
 #define HFS_MAX_NAMELEN      128
 #define HFS_MAX_VALENCE      32767U
 
+#define HFS_BAD_KEYLEN      0xFF
+
 /* Meanings of the drAtrb field of the MDB,
  * Reference: _Inside Macintosh: Files_ p. 2-61
  */
@@ -167,6 +169,9 @@ typedef union hfs_btree_key {
    struct hfs_ext_key ext;
 } hfs_btree_key;
 
+#define HFS_MAX_CAT_KEYLEN   (sizeof(struct hfs_cat_key) - sizeof(u8))
+#define HFS_MAX_EXT_KEYLEN   (sizeof(struct hfs_ext_key) - sizeof(u8))
+
 typedef union hfs_btree_key btree_key;
 
 struct hfs_extent {