yaffs_pack_tags2_tags_only(&tags_only, tags);
sum_tags = &dev->sum_tags[chunk_in_block];
sum_tags->chunk_id = tags_only.chunk_id;
sum_tags->n_bytes = tags_only.n_bytes;
sum_tags->obj_id = tags_only.obj_id;
yaffs_pack_tags2_tags_only(&tags_only, tags);
sum_tags = &dev->sum_tags[chunk_in_block];
sum_tags->chunk_id = tags_only.chunk_id;
sum_tags->n_bytes = tags_only.n_bytes;
sum_tags->obj_id = tags_only.obj_id;