5567 				    struct parent_image_info *pii)  in decode_parent_image_spec()  argument
5578 	ceph_decode_64_safe(p, end, pii->pool_id, e_inval);  in decode_parent_image_spec()
5579 	pii->pool_ns = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
5580 	if (IS_ERR(pii->pool_ns)) {  in decode_parent_image_spec()
5581 		ret = PTR_ERR(pii->pool_ns);  in decode_parent_image_spec()
5582 		pii->pool_ns = NULL;  in decode_parent_image_spec()
5585 	pii->image_id = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
5586 	if (IS_ERR(pii->image_id)) {  in decode_parent_image_spec()
5587 		ret = PTR_ERR(pii->image_id);  in decode_parent_image_spec()
5588 		pii->image_id = NULL;  in decode_parent_image_spec()
5591 	ceph_decode_64_safe(p, end, pii->snap_id, e_inval);  in decode_parent_image_spec()
5601 			     struct parent_image_info *pii)  in __get_parent_info()  argument
5616 	ret = decode_parent_image_spec(&p, end, pii);  in __get_parent_info()
5628 	ceph_decode_8_safe(&p, end, pii->has_overlap, e_inval);  in __get_parent_info()
5629 	if (pii->has_overlap)  in __get_parent_info()
5630 		ceph_decode_64_safe(&p, end, pii->overlap, e_inval);  in __get_parent_info()
5644 				    struct parent_image_info *pii)  in __get_parent_info_legacy()  argument
5659 	ceph_decode_64_safe(&p, end, pii->pool_id, e_inval);  in __get_parent_info_legacy()
5660 	pii->image_id = ceph_extract_encoded_string(&p, end, NULL, GFP_KERNEL);  in __get_parent_info_legacy()
5661 	if (IS_ERR(pii->image_id)) {  in __get_parent_info_legacy()
5662 		ret = PTR_ERR(pii->image_id);  in __get_parent_info_legacy()
5663 		pii->image_id = NULL;  in __get_parent_info_legacy()
5666 	ceph_decode_64_safe(&p, end, pii->snap_id, e_inval);  in __get_parent_info_legacy()
5667 	pii->has_overlap = true;  in __get_parent_info_legacy()
5668 	ceph_decode_64_safe(&p, end, pii->overlap, e_inval);  in __get_parent_info_legacy()
5677 			   struct parent_image_info *pii)  in get_parent_info()  argument
5695 	ret = __get_parent_info(rbd_dev, req_page, reply_page, pii);  in get_parent_info()
5698 					       pii);  in get_parent_info()
5708 	struct parent_image_info pii = { 0 };  in rbd_dev_v2_parent_info()  local
5715 	ret = get_parent_info(rbd_dev, &pii);  in rbd_dev_v2_parent_info()
5720 	     __func__, pii.pool_id, pii.pool_ns, pii.image_id, pii.snap_id,  in rbd_dev_v2_parent_info()
5721 	     pii.has_overlap, pii.overlap);  in rbd_dev_v2_parent_info()
5723 	if (pii.pool_id == CEPH_NOPOOL || !pii.has_overlap) {  in rbd_dev_v2_parent_info()
5750 	if (pii.pool_id > (u64)U32_MAX) {  in rbd_dev_v2_parent_info()
5752 			(unsigned long long)pii.pool_id, U32_MAX);  in rbd_dev_v2_parent_info()
5762 		parent_spec->pool_id = pii.pool_id;  in rbd_dev_v2_parent_info()
5763 		if (pii.pool_ns && *pii.pool_ns) {  in rbd_dev_v2_parent_info()
5764 			parent_spec->pool_ns = pii.pool_ns;  in rbd_dev_v2_parent_info()
5765 			pii.pool_ns = NULL;  in rbd_dev_v2_parent_info()
5767 		parent_spec->image_id = pii.image_id;  in rbd_dev_v2_parent_info()
5768 		pii.image_id = NULL;  in rbd_dev_v2_parent_info()
5769 		parent_spec->snap_id = pii.snap_id;  in rbd_dev_v2_parent_info()
5779 	if (!pii.overlap) {  in rbd_dev_v2_parent_info()
5790 	rbd_dev->parent_overlap = pii.overlap;  in rbd_dev_v2_parent_info()
5795 	kfree(pii.pool_ns);  in rbd_dev_v2_parent_info()
5796 	kfree(pii.image_id);  in rbd_dev_v2_parent_info()