41  * name or uuid.
51 	char *uuid;  member
77  * Protects use of mdptr to obtain hash cell name and uuid from mapped device.
118 		c = strcmp(hc->uuid, str);  in __get_uuid_cell()
185 		c = strcmp(hc->uuid, new_hc->uuid);  in __link_uuid()
218 static struct hash_cell *alloc_cell(const char *name, const char *uuid,  in alloc_cell()  argument
233 	if (!uuid)  in alloc_cell()
234 		hc->uuid = NULL;  in alloc_cell()
237 		hc->uuid = kstrdup(uuid, GFP_KERNEL);  in alloc_cell()
238 		if (!hc->uuid) {  in alloc_cell()
255 		kfree(hc->uuid);  in free_cell()
278 	strcpy(context->dev_uuid, hc->uuid ? : "");  in dm_ima_init_context()
335  * The kdev_t and uuid of a device can never change once it is
338 static int dm_hash_insert(const char *name, const char *uuid, struct mapped_device *md)  in dm_hash_insert()  argument
345 	cell = alloc_cell(name, uuid, md);  in dm_hash_insert()
361 	if (uuid) {  in dm_hash_insert()
362 		hc = __get_uuid_cell(uuid);  in dm_hash_insert()
481  * Set the uuid of a hash_cell that isn't already set.
486 	hc->uuid = new_uuid;  in __set_cell_uuid()
546 		      change_uuid ? "uuid" : "name",  in dm_hash_rename()
561 		      param->name, change_uuid ? "uuid " : "", new);  in dm_hash_rename()
569 	 * Does this device already have a uuid?  in dm_hash_rename()
571 	if (change_uuid && hc->uuid) {  in dm_hash_rename()
572 		DMERR("Unable to change uuid of mapped device %s to %s "  in dm_hash_rename()
573 		      "because uuid is already set to %s",  in dm_hash_rename()
574 		      param->name, new, hc->uuid);  in dm_hash_rename()
680 	val = hc->uuid ? hc->uuid : "";  in filter_device()
718 		if (!filter_device(hc, param->name, param->uuid))  in list_devices()
736 			if (hc->uuid) {  in list_devices()
737 				len = strlen(hc->uuid);  in list_devices()
743 				memcpy(event_nr + 2, hc->uuid, len);  in list_devices()
975 	r = dm_hash_insert(param->name, *param->uuid ? param->uuid : NULL, md);  in dev_create()
992  * Always use UUID for lookups if it's present, otherwise use name or dev.
998 	if (*param->uuid) {  in __find_device_hash_cell()
1000 			DMERR("Invalid ioctl structure: uuid %s, name %s, dev %llx",  in __find_device_hash_cell()
1001 			      param->uuid, param->name, (unsigned long long)param->dev);  in __find_device_hash_cell()
1005 		hc = __get_uuid_cell(param->uuid);  in __find_device_hash_cell()
1026 	 * Sneakily write in both the name and the uuid  in __find_device_hash_cell()
1030 	if (hc->uuid)  in __find_device_hash_cell()
1031 		strscpy(param->uuid, hc->uuid, sizeof(param->uuid));  in __find_device_hash_cell()
1033 		param->uuid[0] = '\0';  in __find_device_hash_cell()
1142 		DMERR("Invalid new mapped device name or uuid string supplied.");  in dev_rename()
2147 	} else if (*param->uuid && *param->name) {  in validate_params()
2148 		DMERR("only supply one of name or uuid, cmd(%u)", cmd);  in validate_params()
2154 	param->uuid[DM_UUID_LEN - 1] = '\0';  in validate_params()
2327  * dm_copy_name_and_uuid - Copy mapped device name & uuid into supplied buffers
2330  * @uuid: Buffer (size DM_UUID_LEN) for uuid or empty string if uuid not defined
2332 int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid)  in dm_copy_name_and_uuid()  argument
2349 	if (uuid)  in dm_copy_name_and_uuid()
2350 		strcpy(uuid, hc->uuid ? : "");  in dm_copy_name_and_uuid()
2401 	r = dm_hash_insert(dmi->name, *dmi->uuid ? dmi->uuid : NULL, md);  in dm_early_create()