190 	const char	*pool_ns;	/* NULL if default, never "" */  member
996 	RCU_INIT_POINTER(rbd_dev->layout.pool_ns, NULL);  in rbd_init_layout()
5070 	return sprintf(buf, "%s\n", rbd_dev->spec->pool_ns ?: "");  in rbd_pool_ns_show()
5139 			    spec->pool_ns ?: "",  in rbd_parent_show()
5176 static DEVICE_ATTR(pool_ns, 0444, rbd_pool_ns_show, NULL);
5256 	kfree(spec->pool_ns);  in rbd_spec_free()
5315 	if (spec->pool_ns) {  in __rbd_dev_create()
5316 		WARN_ON(!*spec->pool_ns);  in __rbd_dev_create()
5317 		rbd_dev->header_oloc.pool_ns =  in __rbd_dev_create()
5318 		    ceph_find_or_create_string(spec->pool_ns,  in __rbd_dev_create()
5319 					       strlen(spec->pool_ns));  in __rbd_dev_create()
5559 	const char	*pool_ns;  member
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()
5724 	     __func__, pii.pool_id, pii.pool_ns, pii.image_id, pii.snap_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()
5799 	kfree(pii.pool_ns);  in rbd_dev_v2_parent_info()
6276 		kfree(pctx->spec->pool_ns);  in rbd_parse_param()
6277 		pctx->spec->pool_ns = param->string;  in rbd_parse_param()
6851 			rbd_dev->spec->pool_ns ?: "",  in rbd_print_dne()
6852 			rbd_dev->spec->pool_ns ? "/" : "",  in rbd_print_dne()
6857 			rbd_dev->spec->pool_ns ?: "",  in rbd_print_dne()
6858 			rbd_dev->spec->pool_ns ? "/" : "",  in rbd_print_dne()