330 	struct bow_range *first_br, *free_br;  in backup_log_sector()  local
335 	first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);  in backup_log_sector()
337 	if (first_br->type != SECTOR0) {  in backup_log_sector()
342 	if (range_size(first_br) != bc->block_size) {  in backup_log_sector()
361 	ret = copy_data(bc, first_br, free_br, &checksum);  in backup_log_sector()
367 	ret = add_log_entry(bc, first_br->sector, free_br->sector,  in backup_log_sector()
368 			    range_size(first_br), checksum);  in backup_log_sector()
413 	struct bow_range *free_br, *first_br;  in prepare_log()  local
419 	first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);  in prepare_log()
420 	if (first_br->type != UNCHANGED) {  in prepare_log()
425 	if (range_size(first_br) < bc->block_size) {  in prepare_log()
431 	ret = split_range(bc, &first_br, &bi_iter);  in prepare_log()
434 	first_br->type = SECTOR0;  in prepare_log()
435 	if (range_size(first_br) != bc->block_size) {  in prepare_log()
452 	ret = copy_data(bc, first_br, free_br, NULL);  in prepare_log()
469 	ret = copy_data(bc, first_br, free_br, &checksum);  in prepare_log()
485 	ret = add_log_entry(bc, first_br->sector, free_br->sector,  in prepare_log()
486 			    range_size(first_br), checksum);  in prepare_log()