1648             s->data_file = NULL;  in qcow2_do_open()
1650             s->data_file = bs->file;  in qcow2_do_open()
1657         s->data_file = bdrv_co_open_child(NULL, options, "data-file", bs,  in qcow2_do_open()
1667             if (!s->data_file && s->image_data_file) {  in qcow2_do_open()
1669                 s->data_file = bdrv_co_open_child(s->image_data_file, options,  in qcow2_do_open()
1674                 if (!s->data_file) {  in qcow2_do_open()
1679             if (!s->data_file) {  in qcow2_do_open()
1691             if (s->data_file) {  in qcow2_do_open()
1698             s->data_file = bs->file;  in qcow2_do_open()
1898         bdrv_co_unref_child(bs, s->data_file);  in qcow2_do_open()
1900         s->data_file = NULL;  in qcow2_do_open()
2031         assert(s->data_file == state->bs->file);  in qcow2_reopen_prepare()
2032         s->data_file = NULL;  in qcow2_reopen_prepare()
2050     if (!s->data_file) {  in qcow2_reopen_commit()
2055         s->data_file = state->bs->file;  in qcow2_reopen_commit()
2086     if (!s->data_file) {  in qcow2_reopen_abort()
2091         s->data_file = state->bs->file;  in qcow2_reopen_abort()
2175         *file = s->data_file->bs;  in qcow2_co_block_status()
2251     buf = qemu_try_blockalign(s->data_file->bs, bytes);  in qcow2_co_preadv_encrypted()
2257     ret = bdrv_co_pread(s->data_file, host_offset, bytes, buf, 0);  in qcow2_co_preadv_encrypted()
2361         return bdrv_co_preadv_part(s->data_file, host_offset,  in qcow2_co_preadv_task()
2534     if (!(s->data_file->bs->supported_zero_flags & BDRV_REQ_NO_FALLBACK)) {  in handle_alloc_space()
2571         ret = bdrv_co_pwrite_zeroes(s->data_file, start_offset, nb_bytes,  in handle_alloc_space()
2637         ret = bdrv_co_pwritev_part(s->data_file, host_offset,  in qcow2_co_pwritev_task()
2825         bdrv_unref_child(bs, s->data_file);  in qcow2_do_close()
2827         s->data_file = NULL;  in qcow2_do_close()
2848     BdrvChild *data_file;  in qcow2_co_invalidate_cache()  local
2871     data_file = s->data_file;  in qcow2_co_invalidate_cache()
2873     s->data_file = data_file;  in qcow2_co_invalidate_cache()
3302     file_length = bdrv_co_getlength(s->data_file->bs);  in preallocate_co()
3313         ret = bdrv_co_truncate(s->data_file, host_offset + cur_bytes, false,  in preallocate_co()
3630     if (qcow2_opts->data_file_raw && !qcow2_opts->data_file) {  in qcow2_co_create()
3664     if (qcow2_opts->data_file) {  in qcow2_co_create()
3672         data_bs = bdrv_co_open_blockdev_ref(qcow2_opts->data_file, errp);  in qcow2_co_create()
4202             child = s->data_file;  in qcow2_co_copy_range_from()
4269         ret = bdrv_co_copy_range_to(src, src_offset, s->data_file, host_offset,  in qcow2_co_copy_range_to()
4434             ret = bdrv_co_truncate(s->data_file, offset, exact, prealloc, 0,  in qcow2_co_truncate()
4725     BLKDBG_CO_EVENT(s->data_file, BLKDBG_WRITE_COMPRESSED);  in qcow2_co_pwritev_compressed_task()
4726     ret = bdrv_co_pwrite(s->data_file, cluster_offset, out_len, out_buf, 0);  in qcow2_co_pwritev_compressed_task()
5294             .data_file          = g_strdup(s->image_data_file),  in qcow2_get_specific_info()
5354         return bdrv_has_zero_init(s->data_file->bs);  in qcow2_has_zero_init()
5693     const char *backing_file = NULL, *backing_format = NULL, *data_file = NULL;  in qcow2_amend_options()  local
5755             data_file = qemu_opt_get(opts, BLOCK_OPT_DATA_FILE);  in qcow2_amend_options()
5756             if (data_file && !has_data_file(bs)) {  in qcow2_amend_options()
5849     if (data_file) {  in qcow2_amend_options()
5851         s->image_data_file = *data_file ? g_strdup(data_file) : NULL;  in qcow2_amend_options()