190 	const char	*pool_ns;	/* NULL if default, never "" */  member
994 	RCU_INIT_POINTER(rbd_dev->layout.pool_ns, NULL);  in rbd_init_layout()
5114 	return sprintf(buf, "%s\n", rbd_dev->spec->pool_ns ?: "");  in rbd_pool_ns_show()
5183 			    spec->pool_ns ?: "",  in rbd_parent_show()
5220 static DEVICE_ATTR(pool_ns, 0444, rbd_pool_ns_show, NULL);
5300 	kfree(spec->pool_ns);  in rbd_spec_free()
5358 	if (spec->pool_ns) {  in __rbd_dev_create()
5359 		WARN_ON(!*spec->pool_ns);  in __rbd_dev_create()
5360 		rbd_dev->header_oloc.pool_ns =  in __rbd_dev_create()
5361 		    ceph_find_or_create_string(spec->pool_ns,  in __rbd_dev_create()
5362 					       strlen(spec->pool_ns));  in __rbd_dev_create()
5589 	const char	*pool_ns;  member
5599 	kfree(pii->pool_ns);  in rbd_parent_info_cleanup()
5621 	pii->pool_ns = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
5622 	if (IS_ERR(pii->pool_ns)) {  in decode_parent_image_spec()
5623 		ret = PTR_ERR(pii->pool_ns);  in decode_parent_image_spec()
5624 		pii->pool_ns = NULL;  in decode_parent_image_spec()
5675 	     __func__, pii->pool_id, pii->pool_ns, pii->image_id, pii->snap_id,  in __get_parent_info()
5716 	     __func__, pii->pool_id, pii->pool_ns, pii->image_id, pii->snap_id,  in __get_parent_info_legacy()
5784 	if (pii.pool_ns && *pii.pool_ns) {  in rbd_dev_setup_parent()
5785 		parent_spec->pool_ns = pii.pool_ns;  in rbd_dev_setup_parent()
5786 		pii.pool_ns = NULL;  in rbd_dev_setup_parent()
6292 		kfree(pctx->spec->pool_ns);  in rbd_parse_param()
6293 		pctx->spec->pool_ns = param->string;  in rbd_parse_param()
6856 			rbd_dev->spec->pool_ns ?: "",  in rbd_print_dne()
6857 			rbd_dev->spec->pool_ns ? "/" : "",  in rbd_print_dne()
6862 			rbd_dev->spec->pool_ns ?: "",  in rbd_print_dne()
6863 			rbd_dev->spec->pool_ns ? "/" : "",  in rbd_print_dne()