5571 				    struct parent_image_info *pii)  in decode_parent_image_spec()  argument
5582 	ceph_decode_64_safe(p, end, pii->pool_id, e_inval);  in decode_parent_image_spec()
5583 	pii->pool_ns = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
5584 	if (IS_ERR(pii->pool_ns)) {  in decode_parent_image_spec()
5585 		ret = PTR_ERR(pii->pool_ns);  in decode_parent_image_spec()
5586 		pii->pool_ns = NULL;  in decode_parent_image_spec()
5589 	pii->image_id = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
5590 	if (IS_ERR(pii->image_id)) {  in decode_parent_image_spec()
5591 		ret = PTR_ERR(pii->image_id);  in decode_parent_image_spec()
5592 		pii->image_id = NULL;  in decode_parent_image_spec()
5595 	ceph_decode_64_safe(p, end, pii->snap_id, e_inval);  in decode_parent_image_spec()
5605 			     struct parent_image_info *pii)  in __get_parent_info()  argument
5620 	ret = decode_parent_image_spec(&p, end, pii);  in __get_parent_info()
5632 	ceph_decode_8_safe(&p, end, pii->has_overlap, e_inval);  in __get_parent_info()
5633 	if (pii->has_overlap)  in __get_parent_info()
5634 		ceph_decode_64_safe(&p, end, pii->overlap, e_inval);  in __get_parent_info()
5648 				    struct parent_image_info *pii)  in __get_parent_info_legacy()  argument
5663 	ceph_decode_64_safe(&p, end, pii->pool_id, e_inval);  in __get_parent_info_legacy()
5664 	pii->image_id = ceph_extract_encoded_string(&p, end, NULL, GFP_KERNEL);  in __get_parent_info_legacy()
5665 	if (IS_ERR(pii->image_id)) {  in __get_parent_info_legacy()
5666 		ret = PTR_ERR(pii->image_id);  in __get_parent_info_legacy()
5667 		pii->image_id = NULL;  in __get_parent_info_legacy()
5670 	ceph_decode_64_safe(&p, end, pii->snap_id, e_inval);  in __get_parent_info_legacy()
5671 	pii->has_overlap = true;  in __get_parent_info_legacy()
5672 	ceph_decode_64_safe(&p, end, pii->overlap, e_inval);  in __get_parent_info_legacy()
5681 			   struct parent_image_info *pii)  in get_parent_info()  argument
5699 	ret = __get_parent_info(rbd_dev, req_page, reply_page, pii);  in get_parent_info()
5702 					       pii);  in get_parent_info()
5712 	struct parent_image_info pii = { 0 };  in rbd_dev_v2_parent_info()  local
5719 	ret = get_parent_info(rbd_dev, &pii);  in rbd_dev_v2_parent_info()
5724 	     __func__, pii.pool_id, pii.pool_ns, pii.image_id, pii.snap_id,  in rbd_dev_v2_parent_info()
5725 	     pii.has_overlap, pii.overlap);  in rbd_dev_v2_parent_info()
5727 	if (pii.pool_id == CEPH_NOPOOL || !pii.has_overlap) {  in rbd_dev_v2_parent_info()
5754 	if (pii.pool_id > (u64)U32_MAX) {  in rbd_dev_v2_parent_info()
5756 			(unsigned long long)pii.pool_id, U32_MAX);  in rbd_dev_v2_parent_info()
5766 		parent_spec->pool_id = pii.pool_id;  in rbd_dev_v2_parent_info()
5767 		if (pii.pool_ns && *pii.pool_ns) {  in rbd_dev_v2_parent_info()
5768 			parent_spec->pool_ns = pii.pool_ns;  in rbd_dev_v2_parent_info()
5769 			pii.pool_ns = NULL;  in rbd_dev_v2_parent_info()
5771 		parent_spec->image_id = pii.image_id;  in rbd_dev_v2_parent_info()
5772 		pii.image_id = NULL;  in rbd_dev_v2_parent_info()
5773 		parent_spec->snap_id = pii.snap_id;  in rbd_dev_v2_parent_info()
5783 	if (!pii.overlap) {  in rbd_dev_v2_parent_info()
5794 	rbd_dev->parent_overlap = pii.overlap;  in rbd_dev_v2_parent_info()
5799 	kfree(pii.pool_ns);  in rbd_dev_v2_parent_info()
5800 	kfree(pii.image_id);  in rbd_dev_v2_parent_info()