Btrfs: add dir inode index

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

1 files changed, 19 insertions, 0 deletions

diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index baceb1da609f..2a87e23ac9c9 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -37,6 +37,25 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
         name_ptr = (char *)(dir_item + 1);
         btrfs_memcpy(root, path->nodes[0]->b_data, name_ptr, name, name_len);
         btrfs_mark_buffer_dirty(path->nodes[0]);
+        btrfs_release_path(root, path);
+
+        btrfs_set_key_type(&key, BTRFS_DIR_INDEX_KEY);
+        key.offset = objectid;
+        ret = btrfs_insert_empty_item(trans, root, path, &key, data_size);
+        // FIXME clear the dirindex bit
+        if (ret)
+                goto out;
+
+        dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
+                                  path->slots[0],
+                                  struct btrfs_dir_item);
+        btrfs_set_dir_objectid(dir_item, objectid);
+        btrfs_set_dir_type(dir_item, type);
+        btrfs_set_dir_flags(dir_item, 0);
+        btrfs_set_dir_name_len(dir_item, name_len);
+        name_ptr = (char *)(dir_item + 1);
+        btrfs_memcpy(root, path->nodes[0]->b_data, name_ptr, name, name_len);
+        btrfs_mark_buffer_dirty(path->nodes[0]);
 out:
         btrfs_release_path(root, path);
         btrfs_free_path(path);