227 	struct data_vio *data_vio =  in update_oldest_active_generation()  local
228 		list_first_entry_or_null(&zone->write_vios, struct data_vio,  in update_oldest_active_generation()
231 		(data_vio == NULL) ? zone->flush_generation : data_vio->flush_generation;  in update_oldest_active_generation()
265 void vdo_acquire_flush_generation_lock(struct data_vio *data_vio)  in vdo_acquire_flush_generation_lock()  argument
267 	struct logical_zone *zone = data_vio->logical.zone;  in vdo_acquire_flush_generation_lock()
272 	data_vio->flush_generation = zone->flush_generation;  in vdo_acquire_flush_generation_lock()
273 	list_add_tail(&data_vio->write_entry, &zone->write_vios);  in vdo_acquire_flush_generation_lock()
325 void vdo_release_flush_generation_lock(struct data_vio *data_vio)  in vdo_release_flush_generation_lock()  argument
327 	struct logical_zone *zone = data_vio->logical.zone;  in vdo_release_flush_generation_lock()
331 	if (!data_vio_has_flush_generation_lock(data_vio))  in vdo_release_flush_generation_lock()
334 	list_del_init(&data_vio->write_entry);  in vdo_release_flush_generation_lock()
335 	VDO_ASSERT_LOG_ONLY((zone->oldest_active_generation <= data_vio->flush_generation),  in vdo_release_flush_generation_lock()
337 			    (unsigned long long) data_vio->flush_generation,  in vdo_release_flush_generation_lock()