- key.objectid = dir;
- btrfs_set_key_type(&key, BTRFS_XATTR_ITEM_KEY);
- key.offset = btrfs_name_hash(name, name_len);
- ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
- if (ret < 0)
- return ERR_PTR(ret);
- if (ret > 0) {
- if (path->slots[0] == 0)
- return NULL;
- path->slots[0]--;
+ leaf = path->nodes[0];
+ sub_item_len = sizeof(*di) + btrfs_dir_name_len(leaf, di) +
+ btrfs_dir_data_len(leaf, di);
+ item_len = btrfs_item_size_nr(leaf, path->slots[0]);
+ if (sub_item_len == item_len) {
+ ret = btrfs_del_item(trans, root, path);
+ } else {
+ unsigned long ptr = (unsigned long)di;
+ unsigned long start;
+
+ start = btrfs_item_ptr_offset(leaf, path->slots[0]);
+ memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
+ item_len - (ptr + sub_item_len - start));
+ btrfs_truncate_item(root, path, item_len - sub_item_len, 1);
+ }
+ return ret;
+}
+
+static int verify_dir_item(struct btrfs_root *root,
+ struct extent_buffer *leaf,
+ struct btrfs_dir_item *dir_item)
+{
+ u16 namelen = BTRFS_NAME_LEN;
+ u8 type = btrfs_dir_type(leaf, dir_item);
+
+ if (type >= BTRFS_FT_MAX) {
+ fprintf(stderr, "invalid dir item type: %d\n",
+ (int)type);
+ return 1;