32 	kfree(nspm->uuid);  in namespace_pmem_release()
46 		uuid2 = nspm->uuid;  in is_uuid_busy()
50 		uuid2 = nd_btt->uuid;  in is_uuid_busy()
54 		uuid2 = nd_pfn->uuid;  in is_uuid_busy()
71  * nd_is_uuid_unique - verify that no other namespace has @uuid
73  * @uuid: uuid to check
75  * Returns: %true if the uuid is unique, %false if not
77 bool nd_is_uuid_unique(struct device *dev, uuid_t *uuid)  in nd_is_uuid_unique()  argument
84 	if (device_for_each_child(&nvdimm_bus->dev, uuid,  in nd_is_uuid_unique()
179 		return nspm->uuid;  in nd_dev_to_uuid()
251 		if (size == 0 && nspm->uuid)  in nd_namespace_label_update()
253 		else if (!nspm->uuid)  in nd_namespace_label_update()
702 	if (size && !nspm->uuid) {  in nd_namespace_pmem_set_resource()
707 	if (size && nspm->uuid) {  in nd_namespace_pmem_set_resource()
718 		nd_label_gen_id(&label_id, nspm->uuid, 0);  in nd_namespace_pmem_set_resource()
737 static bool uuid_not_set(const uuid_t *uuid, struct device *dev,  in uuid_not_set()  argument
740 	if (!uuid) {  in uuid_not_set()
741 		dev_dbg(dev, "%s: uuid not set\n", where);  in uuid_not_set()
757 	uuid_t *uuid = NULL;  in __size_store()  local
765 		uuid = nspm->uuid;  in __size_store()
770 	 * We need a uuid for the allocation-label and dimm(s) on which  in __size_store()
773 	if (uuid_not_set(uuid, dev, __func__))  in __size_store()
787 	nd_label_gen_id(&label_id, uuid, flags);  in __size_store()
861 		kfree(nspm->uuid);  in size_store()
862 		nspm->uuid = NULL;  in size_store()
927 		return nspm->uuid;  in namespace_to_uuid()
935 	uuid_t *uuid = namespace_to_uuid(dev);  in uuid_show()  local
937 	if (IS_ERR(uuid))  in uuid_show()
938 		return PTR_ERR(uuid);  in uuid_show()
939 	if (uuid)  in uuid_show()
940 		return sprintf(buf, "%pUb\n", uuid);  in uuid_show()
945  * namespace_update_uuid - check for a unique uuid and whether we're "renaming"
948  * @new_uuid: incoming uuid
949  * @old_uuid: reference to the uuid storage location in the namespace object
968 	 * If we've already written a label with this uuid, then it's  in namespace_update_uuid()
969 	 * too late to rename because we can't reliably update the uuid  in namespace_update_uuid()
971 	 * namespace to abandon the old uuid.  in namespace_update_uuid()
978 		 * would be NULL above if this uuid did not exist in the  in namespace_update_uuid()
981 		 * FIXME: can we delete uuid with zero dpa allocated?  in namespace_update_uuid()
1004 			uuid_t uuid;  in namespace_update_uuid()  local
1008 			nsl_get_uuid(ndd, nd_label, &uuid);  in namespace_update_uuid()
1009 			nd_label_gen_id(&label_id, &uuid,  in namespace_update_uuid()
1026 	uuid_t *uuid = NULL;  in uuid_store()  local
1033 		ns_uuid = &nspm->uuid;  in uuid_store()
1043 		rc = nd_uuid_store(dev, &uuid, buf, len);  in uuid_store()
1045 		rc = namespace_update_uuid(nd_region, dev, uuid, ns_uuid);  in uuid_store()
1049 		kfree(uuid);  in uuid_store()
1055 static DEVICE_ATTR_RW(uuid);
1142 	uuid_t *uuid = NULL;  in dpa_extents_show()  local
1150 		uuid = nspm->uuid;  in dpa_extents_show()
1154 	if (!uuid)  in dpa_extents_show()
1157 	nd_label_gen_id(&label_id, uuid, flags);  in dpa_extents_show()
1506 		if (uuid_not_set(nspm->uuid, &ndns->dev, __func__))  in nvdimm_namespace_common_probe()
1556 static bool has_uuid_at_pos(struct nd_region *nd_region, const uuid_t *uuid,  in has_uuid_at_pos()  argument
1580 			if (!nsl_uuid_equal(ndd, nd_label, uuid))  in has_uuid_at_pos()
1588 				dev_dbg(ndd->dev, "duplicate entry for uuid\n");  in has_uuid_at_pos()
1677 	uuid_t uuid;  in create_namespace_pmem()  local
1709 		nsl_get_uuid(ndd, nd_label, &uuid);  in create_namespace_pmem()
1710 		if (has_uuid_at_pos(nd_region, &uuid, cookie, i))  in create_namespace_pmem()
1712 		if (has_uuid_at_pos(nd_region, &uuid, altcookie, i))  in create_namespace_pmem()
1721 		 * Give up if we don't find an instance of a uuid at each  in create_namespace_pmem()
1723 		 * find a dimm with two instances of the same uuid.  in create_namespace_pmem()
1736 	nsl_get_uuid(ndd, nd_label, &uuid);  in create_namespace_pmem()
1737 	rc = select_pmem_id(nd_region, &uuid);  in create_namespace_pmem()
1760 		WARN_ON(nspm->alt_name || nspm->uuid);  in create_namespace_pmem()
1763 		nsl_get_uuid(ndd, label0, &uuid);  in create_namespace_pmem()
1764 		nspm->uuid = kmemdup(&uuid, sizeof(uuid_t), GFP_KERNEL);  in create_namespace_pmem()
1770 	if (!nspm->alt_name || !nspm->uuid) {  in create_namespace_pmem()
1892 		uuid_t *uuid = namespace_to_uuid(devs[i]);  in add_namespace_resource()  local
1894 		if (IS_ERR(uuid)) {  in add_namespace_resource()
1899 		if (!nsl_uuid_equal(ndd, nd_label, uuid))  in add_namespace_resource()
1902 			"error: conflicting extents for uuid: %pUb\n", uuid);  in add_namespace_resource()