184 	const char	*pool_ns;	/* NULL if default, never "" */  member
824 		kfree(pctx->spec->pool_ns);  in parse_rbd_opts_token()
825 		pctx->spec->pool_ns = match_strdup(argstr);  in parse_rbd_opts_token()
826 		if (!pctx->spec->pool_ns)  in parse_rbd_opts_token()
1009 	RCU_INIT_POINTER(rbd_dev->layout.pool_ns, NULL);  in rbd_init_layout()
4147 	return sprintf(buf, "%s\n", rbd_dev->spec->pool_ns ?: "");  in rbd_pool_ns_show()
4216 			    spec->pool_ns ?: "",  in rbd_parent_show()
4250 static DEVICE_ATTR(pool_ns, 0444, rbd_pool_ns_show, NULL);
4330 	kfree(spec->pool_ns);  in rbd_spec_free()
4389 	if (spec->pool_ns) {  in __rbd_dev_create()
4390 		WARN_ON(!*spec->pool_ns);  in __rbd_dev_create()
4391 		rbd_dev->header_oloc.pool_ns =  in __rbd_dev_create()
4392 		    ceph_find_or_create_string(spec->pool_ns,  in __rbd_dev_create()
4393 					       strlen(spec->pool_ns));  in __rbd_dev_create()
4591 	const char	*pool_ns;  member
4615 	pii->pool_ns = ceph_extract_encoded_string(p, end, NULL, GFP_KERNEL);  in decode_parent_image_spec()
4616 	if (IS_ERR(pii->pool_ns)) {  in decode_parent_image_spec()
4617 		ret = PTR_ERR(pii->pool_ns);  in decode_parent_image_spec()
4618 		pii->pool_ns = NULL;  in decode_parent_image_spec()
4756 	     __func__, pii.pool_id, pii.pool_ns, pii.image_id, pii.snap_id,  in rbd_dev_v2_parent_info()
4799 		if (pii.pool_ns && *pii.pool_ns) {  in rbd_dev_v2_parent_info()
4800 			parent_spec->pool_ns = pii.pool_ns;  in rbd_dev_v2_parent_info()
4801 			pii.pool_ns = NULL;  in rbd_dev_v2_parent_info()
4831 	kfree(pii.pool_ns);  in rbd_dev_v2_parent_info()
5759 					rbd_dev->spec->pool_ns ?: "",  in rbd_dev_image_probe()
5760 					rbd_dev->spec->pool_ns ? "/" : "",  in rbd_dev_image_probe()
5784 				rbd_dev->spec->pool_ns ?: "",  in rbd_dev_image_probe()
5785 				rbd_dev->spec->pool_ns ? "/" : "",  in rbd_dev_image_probe()