107 	struct dm_exception_store *store;  member
183 static sector_t chunk_to_sector(struct dm_exception_store *store,  in chunk_to_sector()  argument
186 	return chunk << store->chunk_shift;  in chunk_to_sector()
519 	if (!snap_src->store->type->prepare_merge ||  in __validate_exception_handover()
520 	    !snap_src->store->type->commit_merge) {  in __validate_exception_handover()
535 		if (l->store->chunk_size < s->store->chunk_size)  in __insert_snapshot()
857 						  snap->store->chunk_size);  in __minimum_chunk_size()
888 	hash_size = cow_dev_size >> s->store->chunk_shift;  in init_hash_tables()
1057 	linear_chunks = s->store->type->prepare_merge(s->store, &old_chunk,  in snapshot_merge_next_chunks()
1078 	io_size = linear_chunks * s->store->chunk_size;  in snapshot_merge_next_chunks()
1081 	dest.sector = chunk_to_sector(s->store, old_chunk);  in snapshot_merge_next_chunks()
1085 	src.sector = chunk_to_sector(s->store, new_chunk);  in snapshot_merge_next_chunks()
1137 	if (s->store->type->commit_merge(s->store,  in merge_callback()
1294 	r = dm_exception_store_create(ti, argc, argv, s, &args_used, &s->store);  in snapshot_ctr()
1373 		s->store->chunk_size = 0;  in snapshot_ctr()
1377 	r = s->store->type->read_metadata(s->store, dm_add_exception,  in snapshot_ctr()
1387 	if (!s->store->chunk_size) {  in snapshot_ctr()
1392 	r = dm_set_target_max_io_len(ti, s->store->chunk_size);  in snapshot_ctr()
1408 	dm_exception_store_destroy(s->store);  in snapshot_ctr()
1444 	u.store_swap = snap_dest->store;  in __handover_exceptions()
1445 	snap_dest->store = snap_src->store;  in __handover_exceptions()
1446 	snap_dest->store->userspace_supports_overflow = u.store_swap->userspace_supports_overflow;  in __handover_exceptions()
1447 	snap_src->store = u.store_swap;  in __handover_exceptions()
1449 	snap_dest->store->snap = snap_dest;  in __handover_exceptions()
1450 	snap_src->store->snap = snap_src;  in __handover_exceptions()
1452 	snap_dest->ti->max_io_len = snap_dest->store->chunk_size;  in __handover_exceptions()
1505 	dm_exception_store_destroy(s->store);  in snapshot_dtr()
1621 	if (s->store->type->drop_snapshot)  in __invalidate_snapshot()
1622 		s->store->type->drop_snapshot(s->store);  in __invalidate_snapshot()
1729 	s->store->type->commit_exception(s->store, &pe->e, !pe->copy_error,  in complete_exception()
1797 	src.sector = chunk_to_sector(s->store, pe->e.old_chunk);  in start_copy()
1798 	src.count = min((sector_t)s->store->chunk_size, dev_size - src.sector);  in start_copy()
1801 	dest.sector = chunk_to_sector(s->store, pe->e.new_chunk);  in start_copy()
1863 	if (s->store->type->prepare_exception(s->store, &pe->e)) {  in __insert_pending_exception()
1905 		chunk_to_sector(s->store, dm_chunk_number(e->new_chunk) +  in remap_exception()
1907 		(bio->bi_iter.bi_sector & s->store->chunk_mask);  in remap_exception()
1927 	dest.count = s->store->chunk_size;  in zero_exception()
1938 		(s->store->chunk_size << SECTOR_SHIFT);  in io_overlaps_chunk()
1957 	chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector);  in snapshot_map()
2045 				if (s->store->userspace_supports_overflow) {  in snapshot_map()
2132 	chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector);  in snapshot_merge_map()
2329 			if (snap->store->type->usage) {  in snapshot_status()
2332 				snap->store->type->usage(snap->store,  in snapshot_status()
2356 		sz += snap->store->type->status(snap->store, type, result + sz,  in snapshot_status()
2398 		limits->discard_granularity = snap->store->chunk_size;  in snapshot_io_hints()
2399 		limits->max_discard_sectors = snap->store->chunk_size;  in snapshot_io_hints()
2448 		chunk = sector_to_chunk(snap->store, sector);  in __origin_write()