Btrfs: Implement new dir index format

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6675e916ebcd..beb05b1de54c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -372,6 +372,7 @@ struct btrfs_dev_extent {
 } __attribute__ ((__packed__));
 
 struct btrfs_inode_ref {
+        __le64 index;
         __le16 name_len;
         /* name goes here */
 } __attribute__ ((__packed__));
@@ -902,6 +903,7 @@ BTRFS_SETGET_STACK_FUNCS(block_group_flags,
 
 /* struct btrfs_inode_ref */
 BTRFS_SETGET_FUNCS(inode_ref_name_len, struct btrfs_inode_ref, name_len, 16);
+BTRFS_SETGET_FUNCS(inode_ref_index, struct btrfs_inode_ref, index, 64);
 
 /* struct btrfs_inode_item */
 BTRFS_SETGET_FUNCS(inode_generation, struct btrfs_inode_item, generation, 64);
@@ -1528,7 +1530,7 @@ int btrfs_find_dead_roots(struct btrfs_root *root, u64 objectid,
 /* dir-item.c */
 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
                           *root, const char *name, int name_len, u64 dir,
-                          struct btrfs_key *location, u8 type);
+                          struct btrfs_key *location, u8 type, u64 index);
 struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
                                              struct btrfs_root *root,
                                              struct btrfs_path *path, u64 dir,
@@ -1566,11 +1568,11 @@ int btrfs_find_highest_inode(struct btrfs_root *fs_root, u64 *objectid);
 int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
                            struct btrfs_root *root,
                            const char *name, int name_len,
-                           u64 inode_objectid, u64 ref_objectid);
+                           u64 inode_objectid, u64 ref_objectid, u64 index);
 int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
                            struct btrfs_root *root,
                            const char *name, int name_len,
-                           u64 inode_objectid, u64 ref_objectid);
+                           u64 inode_objectid, u64 ref_objectid, u64 *index);
 int btrfs_insert_empty_inode(struct btrfs_trans_handle *trans,
                              struct btrfs_root *root,
                              struct btrfs_path *path, u64 objectid);