old_data_len 170 fs/btrfs/xattr.c const u16 old_data_len = btrfs_dir_data_len(leaf, di); old_data_len 177 fs/btrfs/xattr.c if (size > old_data_len) { old_data_len 179 fs/btrfs/xattr.c (size - old_data_len)) { old_data_len 185 fs/btrfs/xattr.c if (old_data_len + name_len + sizeof(*di) == item_size) { old_data_len 187 fs/btrfs/xattr.c if (size > old_data_len) old_data_len 188 fs/btrfs/xattr.c btrfs_extend_item(path, size - old_data_len); old_data_len 189 fs/btrfs/xattr.c else if (size < old_data_len)