Btrfs: add a name_len to dir items, reorder key

[linux-2.6-block.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index dbf3917833fe6b316628d3fcc3f55eb445b7f8f9..7c66b647ea241a9c377dfdb5726eddceda177d6c 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -26,14 +26,14 @@
  */
 struct btrfs_disk_key {
        __le64 objectid;
-       __le64 offset;
        __le32 flags;
+       __le64 offset;
 } __attribute__ ((__packed__));
 
 struct btrfs_key {
        u64 objectid;
-       u64 offset;
        u32 flags;
+       u64 offset;
 } __attribute__ ((__packed__));
 
 /*
@@ -166,6 +166,7 @@ struct btrfs_inline_data_item {
 struct btrfs_dir_item {
        __le64 objectid;
        __le16 flags;
+       __le16 name_len;
        u8 type;
 } __attribute__ ((__packed__));
 
@@ -431,9 +432,14 @@ static inline void btrfs_set_dir_type(struct btrfs_dir_item *d, u8 val)
        d->type = val;
 }
 
-static inline u32 btrfs_dir_name_len(struct btrfs_item *i)
+static inline u16 btrfs_dir_name_len(struct btrfs_dir_item *d)
+{
+       return le16_to_cpu(d->name_len);
+}
+
+static inline void btrfs_set_dir_name_len(struct btrfs_dir_item *d, u16 val)
 {
-       return btrfs_item_size(i) - sizeof(struct btrfs_dir_item);
+       d->name_len = cpu_to_le16(val);
 }
 
 static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,