259 	int result;  in put_page_in_cache()  local
262 	result = VDO_ASSERT((page->read_pending), "page to install has a pending read");  in put_page_in_cache()
263 	if (result != VDO_SUCCESS)  in put_page_in_cache()
264 		return result;  in put_page_in_cache()
285 	int result;  in cancel_page_in_cache()  local
288 	result = VDO_ASSERT((page->read_pending), "page to install has a pending read");  in cancel_page_in_cache()
289 	if (result != VDO_SUCCESS)  in cancel_page_in_cache()
426 	int result;  in init_chapter_index_page()  local
428 	result = uds_initialize_chapter_index_page(chapter_index_page, geometry,  in init_chapter_index_page()
431 		return result;  in init_chapter_index_page()
433 	if (result != UDS_SUCCESS) {  in init_chapter_index_page()
434 		return vdo_log_error_strerror(result,  in init_chapter_index_page()
482 		int result;  in search_record_page()  local
485 		result = memcmp(name, &record->name, UDS_RECORD_NAME_SIZE);  in search_record_page()
486 		if (result == 0) {  in search_record_page()
493 		node = ((2 * node) + ((result < 0) ? 1 : 2));  in search_record_page()
509 	int result;  in search_page()  local
521 		result = uds_search_chapter_index_page(&page->index_page,  in search_page()
525 		if (result != UDS_SUCCESS)  in search_page()
526 			return result;  in search_page()
547 	int result;  in process_entry()  local
560 		result = -PTR_ERR(page_data);  in process_entry()
561 		vdo_log_warning_strerror(result,  in process_entry()
565 		return result;  in process_entry()
575 		result = initialize_index_page(volume, page_number, page);  in process_entry()
576 		if (result != UDS_SUCCESS) {  in process_entry()
579 			return result;  in process_entry()
583 	result = put_page_in_cache(&volume->page_cache, page_number, page);  in process_entry()
584 	if (result != UDS_SUCCESS) {  in process_entry()
587 		return result;  in process_entry()
591 	while ((request != NULL) && (result == UDS_SUCCESS)) {  in process_entry()
592 		result = search_page(page, volume, request, page_number);  in process_entry()
596 	return result;  in process_entry()
600 				    int result)  in release_queued_requests()  argument
609 		request->status = result;  in release_queued_requests()
631 		int result;  in read_thread_function()  local
637 		result = process_entry(volume, queue_entry);  in read_thread_function()
638 		release_queued_requests(volume, queue_entry, result);  in read_thread_function()
696 	int result = UDS_SUCCESS;  in read_page_locked()  local
703 		result = -PTR_ERR(page_data);  in read_page_locked()
704 		vdo_log_warning_strerror(result,  in read_page_locked()
708 		return result;  in read_page_locked()
712 		result = initialize_index_page(volume, physical_page, page);  in read_page_locked()
713 		if (result != UDS_SUCCESS) {  in read_page_locked()
717 			return result;  in read_page_locked()
721 	result = put_page_in_cache(&volume->page_cache, physical_page, page);  in read_page_locked()
722 	if (result != UDS_SUCCESS) {  in read_page_locked()
725 		return result;  in read_page_locked()
736 	int result;  in get_volume_page_locked()  local
741 		result = read_page_locked(volume, physical_page, &page);  in get_volume_page_locked()
742 		if (result != UDS_SUCCESS)  in get_volume_page_locked()
743 			return result;  in get_volume_page_locked()
778 	 * try to enqueue it below. This could result in us enqueuing another read for a page which  in get_volume_page_protected()
809 	int result;  in get_volume_page()  local
813 	result = get_volume_page_locked(volume, physical_page, page_ptr);  in get_volume_page()
815 	return result;  in get_volume_page()
821 	int result;  in uds_get_volume_record_page()  local
824 	result = get_volume_page(volume, chapter, page_number, &page);  in uds_get_volume_record_page()
825 	if (result == UDS_SUCCESS)  in uds_get_volume_record_page()
827 	return result;  in uds_get_volume_record_page()
833 	int result;  in uds_get_volume_index_page()  local
836 	result = get_volume_page(volume, chapter, page_number, &page);  in uds_get_volume_index_page()
837 	if (result == UDS_SUCCESS)  in uds_get_volume_index_page()
839 	return result;  in uds_get_volume_index_page()
850 	int result;  in search_cached_index_page()  local
864 	result = get_volume_page_protected(volume, request, physical_page, &page);  in search_cached_index_page()
865 	if (result != UDS_SUCCESS) {  in search_cached_index_page()
867 		return result;  in search_cached_index_page()
870 	result = uds_search_chapter_index_page(&page->index_page, volume->geometry,  in search_cached_index_page()
874 	return result;  in search_cached_index_page()
887 	int result;  in uds_search_cached_record_page()  local
894 	result = VDO_ASSERT(record_page_number < geometry->record_pages_per_chapter,  in uds_search_cached_record_page()
897 	if (result != VDO_SUCCESS)  in uds_search_cached_record_page()
898 		return result;  in uds_search_cached_record_page()
912 	result = get_volume_page_protected(volume, request, physical_page, &record_page);  in uds_search_cached_record_page()
913 	if (result != UDS_SUCCESS) {  in uds_search_cached_record_page()
915 		return result;  in uds_search_cached_record_page()
938 	int result;  in uds_read_chapter_index_from_volume()  local
951 			result = -PTR_ERR(index_page);  in uds_read_chapter_index_from_volume()
952 			vdo_log_warning_strerror(result,  in uds_read_chapter_index_from_volume()
955 			return result;  in uds_read_chapter_index_from_volume()
958 		result = init_chapter_index_page(volume, index_page, physical_chapter, i,  in uds_read_chapter_index_from_volume()
960 		if (result != UDS_SUCCESS)  in uds_read_chapter_index_from_volume()
961 			return result;  in uds_read_chapter_index_from_volume()
970 	int result;  in uds_search_volume_page_cache()  local
983 		result = search_cached_index_page(volume, request, physical_chapter,  in uds_search_volume_page_cache()
986 		if (result != UDS_SUCCESS)  in uds_search_volume_page_cache()
987 			return result;  in uds_search_volume_page_cache()
998 	int result;  in uds_search_volume_page_cache_for_rebuild()  local
1010 	result = get_volume_page(volume, physical_chapter, index_page_number, &page);  in uds_search_volume_page_cache_for_rebuild()
1011 	if (result != UDS_SUCCESS)  in uds_search_volume_page_cache_for_rebuild()
1012 		return result;  in uds_search_volume_page_cache_for_rebuild()
1014 	result = uds_search_chapter_index_page(&page->index_page, geometry, name,  in uds_search_volume_page_cache_for_rebuild()
1016 	if (result != UDS_SUCCESS)  in uds_search_volume_page_cache_for_rebuild()
1017 		return result;  in uds_search_volume_page_cache_for_rebuild()
1023 	result = get_volume_page(volume, physical_chapter, page_number, &page);  in uds_search_volume_page_cache_for_rebuild()
1024 	if (result != UDS_SUCCESS)  in uds_search_volume_page_cache_for_rebuild()
1025 		return result;  in uds_search_volume_page_cache_for_rebuild()
1070 	int result;  in donate_index_page_locked()  local
1078 	result = init_chapter_index_page(volume, dm_bufio_get_block_data(page_buffer),  in donate_index_page_locked()
1081 	if (result != UDS_SUCCESS) {  in donate_index_page_locked()
1084 		return result;  in donate_index_page_locked()
1087 	result = put_page_in_cache(&volume->page_cache, physical_page, page);  in donate_index_page_locked()
1088 	if (result != UDS_SUCCESS) {  in donate_index_page_locked()
1091 		return result;  in donate_index_page_locked()
1113 		int result;  in write_index_pages()  local
1122 		result = uds_pack_open_chapter_index_page(chapter_index, page_data,  in write_index_pages()
1125 		if (result != UDS_SUCCESS) {  in write_index_pages()
1127 			return vdo_log_warning_strerror(result,  in write_index_pages()
1146 		result = donate_index_page_locked(volume, physical_chapter_number,  in write_index_pages()
1149 		if (result != UDS_SUCCESS) {  in write_index_pages()
1151 			return result;  in write_index_pages()
1185 	int result;  in encode_record_page()  local
1198 	result = uds_radix_sort(volume->radix_sorter, (const u8 **) record_pointers,  in encode_record_page()
1200 	if (result != UDS_SUCCESS)  in encode_record_page()
1201 		return result;  in encode_record_page()
1222 		int result;  in write_record_pages()  local
1230 		result = encode_record_page(volume, next_record, page_data);  in write_record_pages()
1231 		if (result != UDS_SUCCESS) {  in write_record_pages()
1233 			return vdo_log_warning_strerror(result,  in write_record_pages()
1249 	int result;  in uds_write_chapter()  local
1254 	result = write_index_pages(volume, physical_chapter_number, chapter_index);  in uds_write_chapter()
1255 	if (result != UDS_SUCCESS)  in uds_write_chapter()
1256 		return result;  in uds_write_chapter()
1258 	result = write_record_pages(volume, physical_chapter_number, records);  in uds_write_chapter()
1259 	if (result != UDS_SUCCESS)  in uds_write_chapter()
1260 		return result;  in uds_write_chapter()
1262 	result = -dm_bufio_write_dirty_buffers(volume->client);  in uds_write_chapter()
1263 	if (result != UDS_SUCCESS)  in uds_write_chapter()
1264 		vdo_log_error_strerror(result, "cannot sync chapter to volume");  in uds_write_chapter()
1266 	return result;  in uds_write_chapter()
1284 		int result;  in probe_chapter()  local
1286 		result = uds_get_volume_index_page(volume, chapter_number, i, &page);  in probe_chapter()
1287 		if (result != UDS_SUCCESS)  in probe_chapter()
1313 		result = uds_validate_chapter_index_page(page, geometry);  in probe_chapter()
1314 		if (result != UDS_SUCCESS)  in probe_chapter()
1472 	int result;  in uds_replace_volume_storage()  local
1475 	result = uds_replace_index_layout_storage(layout, bdev);  in uds_replace_volume_storage()
1476 	if (result != UDS_SUCCESS)  in uds_replace_volume_storage()
1477 		return result;  in uds_replace_volume_storage()
1498 	int result;  in initialize_page_cache()  local
1506 	result = VDO_ASSERT((cache->cache_slots <= VOLUME_CACHE_MAX_ENTRIES),  in initialize_page_cache()
1509 	if (result != VDO_SUCCESS)  in initialize_page_cache()
1510 		return result;  in initialize_page_cache()
1512 	result = vdo_allocate(VOLUME_CACHE_MAX_QUEUED_READS, struct queued_read,  in initialize_page_cache()
1514 	if (result != VDO_SUCCESS)  in initialize_page_cache()
1515 		return result;  in initialize_page_cache()
1517 	result = vdo_allocate(cache->zone_count, struct search_pending_counter,  in initialize_page_cache()
1519 	if (result != VDO_SUCCESS)  in initialize_page_cache()
1520 		return result;  in initialize_page_cache()
1522 	result = vdo_allocate(cache->indexable_pages, u16, "page cache index",  in initialize_page_cache()
1524 	if (result != VDO_SUCCESS)  in initialize_page_cache()
1525 		return result;  in initialize_page_cache()
1527 	result = vdo_allocate(cache->cache_slots, struct cached_page, "page cache cache",  in initialize_page_cache()
1529 	if (result != VDO_SUCCESS)  in initialize_page_cache()
1530 		return result;  in initialize_page_cache()
1549 	int result;  in uds_make_volume()  local
1551 	result = vdo_allocate(1, struct volume, "volume", &volume);  in uds_make_volume()
1552 	if (result != VDO_SUCCESS)  in uds_make_volume()
1553 		return result;  in uds_make_volume()
1557 	result = uds_copy_index_geometry(config->geometry, &volume->geometry);  in uds_make_volume()
1558 	if (result != UDS_SUCCESS) {  in uds_make_volume()
1560 		return vdo_log_warning_strerror(result,  in uds_make_volume()
1574 	result = uds_open_volume_bufio(layout, geometry->bytes_per_page,  in uds_make_volume()
1576 	if (result != UDS_SUCCESS) {  in uds_make_volume()
1578 		return result;  in uds_make_volume()
1581 	result = uds_make_radix_sorter(geometry->records_per_page,  in uds_make_volume()
1583 	if (result != UDS_SUCCESS) {  in uds_make_volume()
1585 		return result;  in uds_make_volume()
1588 	result = vdo_allocate(geometry->records_per_page,  in uds_make_volume()
1591 	if (result != VDO_SUCCESS) {  in uds_make_volume()
1593 		return result;  in uds_make_volume()
1599 		result = uds_make_sparse_cache(geometry, config->cache_chapters,  in uds_make_volume()
1602 		if (result != UDS_SUCCESS) {  in uds_make_volume()
1604 			return result;  in uds_make_volume()
1611 	result = initialize_page_cache(&volume->page_cache, geometry,  in uds_make_volume()
1613 	if (result != UDS_SUCCESS) {  in uds_make_volume()
1615 		return result;  in uds_make_volume()
1619 	result = uds_make_index_page_map(geometry, &volume->index_page_map);  in uds_make_volume()
1620 	if (result != UDS_SUCCESS) {  in uds_make_volume()
1622 		return result;  in uds_make_volume()
1629 	result = vdo_allocate(config->read_threads, struct thread *, "reader threads",  in uds_make_volume()
1631 	if (result != VDO_SUCCESS) {  in uds_make_volume()
1633 		return result;  in uds_make_volume()
1637 		result = vdo_create_thread(read_thread_function, (void *) volume,  in uds_make_volume()
1639 		if (result != VDO_SUCCESS) {  in uds_make_volume()
1641 			return result;  in uds_make_volume()