31  * The volume index is also divided into zones, with one thread operating on each zone. Each
34  * zones doesn't underflow (leaving some zone with no delta lists), the minimum number of delta
41  * Most operations that use all the zones take place either before request processing is allowed,
134 	return &record->sub_index->zones[record->zone_number];  in get_zone_for_record()
283 	vdo_free(vdo_forget(sub_index->zones));  in uninitialize_volume_sub_index()
292 	if (volume_index->zones != NULL)  in uds_free_volume_index()
293 		vdo_free(vdo_forget(volume_index->zones));  in uds_free_volume_index()
545 		struct mutex *mutex = &volume_index->zones[zone].hook_mutex;  in uds_get_volume_index_record()
627 	struct volume_sub_index_zone *zone = &sub_index->zones[zone_number];  in set_volume_sub_index_zone_open_chapter()
679 	struct mutex *mutex = &volume_index->zones[zone_number].hook_mutex;  in uds_set_volume_index_zone_open_chapter()
751 	const struct volume_sub_index_zone *zone = &sub_index->zones[zone_number];  in lookup_volume_sub_index_name()
780 	struct mutex *mutex = &volume_index->zones[zone_number].hook_mutex;  in uds_lookup_volume_index_name()
886 		memset(&sub_index->zones[z], 0, sizeof(struct volume_sub_index_zone));  in start_restoring_volume_sub_index()
887 		sub_index->zones[z].virtual_chapter_low = virtual_chapter_low;  in start_restoring_volume_sub_index()
888 		sub_index->zones[z].virtual_chapter_high = virtual_chapter_high;  in start_restoring_volume_sub_index()
1011 	struct volume_sub_index_zone *volume_index_zone = &sub_index->zones[zone_number];  in start_saving_volume_sub_index()
1150 		stats->early_flushes += sub_index->zones[z].early_flushes;  in get_volume_sub_index_stats()
1220 			    "volume index zones", &sub_index->zones);  in initialize_volume_sub_index()
1253 			      "volume index zones", &volume_index->zones);  in uds_make_volume_index()
1260 		mutex_init(&volume_index->zones[zone].hook_mutex);  in uds_make_volume_index()