[PATCH] hfs: add HFSX support

Add support for HFSX, which allows for case-sensitive filenames.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/fs/hfsplus/hfsplus_raw.h b/fs/hfsplus/hfsplus_raw.h
index b4fbed633219..ccc47966dc54 100644
--- a/fs/hfsplus/hfsplus_raw.h
+++ b/fs/hfsplus/hfsplus_raw.h
@@ -22,8 +22,10 @@
 #define HFSPLUS_SECTOR_SHIFT         9
 #define HFSPLUS_VOLHEAD_SECTOR       2
 #define HFSPLUS_VOLHEAD_SIG     0x482b
+#define HFSPLUS_VOLHEAD_SIGX    0x4858
 #define HFSPLUS_SUPER_MAGIC     0x482b
-#define HFSPLUS_CURRENT_VERSION      4
+#define HFSPLUS_MIN_VERSION          4
+#define HFSPLUS_CURRENT_VERSION      5
 
 #define HFSP_WRAP_MAGIC         0x4244
 #define HFSP_WRAP_ATTRIB_SLOCK  0x8000
@@ -161,7 +163,7 @@ struct hfs_btree_header_rec {
         u16 reserved1;
         __be32 clump_size;
         u8 btree_type;
-        u8 reserved2;
+        u8 key_type;
         __be32 attributes;
         u32 reserved3[16];
 } __packed;
@@ -186,6 +188,10 @@ struct hfs_btree_header_rec {
 #define HFSPLUS_EXCH_CNID               15      /* ExchangeFiles temp id */
 #define HFSPLUS_FIRSTUSER_CNID          16      /* first available user id */
 
+/* btree key type */
+#define HFSPLUS_KEY_CASEFOLDING         0xCF    /* case-insensitive */
+#define HFSPLUS_KEY_BINARY              0xBC    /* case-sensitive */
+
 /* HFS+ catalog entry key */
 struct hfsplus_cat_key {
         __be16 key_len;