md/dm-vdo/vdo.c

202 	int result;
216 	result = vdo_allocate(config->logical_zone_count, thread_id_t,
218 	if (result != VDO_SUCCESS) {
220 		return result;
223 	result = vdo_allocate(config->physical_zone_count, thread_id_t,
225 	if (result != VDO_SUCCESS) {
227 		return result;
230 	result = vdo_allocate(config->hash_zone_count, thread_id_t,
232 	if (result != VDO_SUCCESS) {
234 		return result;
237 	result = vdo_allocate(config->bio_thread_count, thread_id_t,
239 	if (result != VDO_SUCCESS) {
241 		return result;
276 	int result;
278 	result = vdo_allocate(VDO_BLOCK_SIZE, u8, __func__, &block);
279 	if (result != VDO_SUCCESS)
280 		return result;
282 	result = create_metadata_vio(vdo, VIO_TYPE_GEOMETRY, VIO_PRIORITY_HIGH, NULL,
284 	if (result != VDO_SUCCESS) {
286 		return result;
294 	result = vio_reset_bio(vio, block, NULL, REQ_OP_READ,
296 	if (result != VDO_SUCCESS) {
299 		return result;
304 	result = blk_status_to_errno(vio->bio->bi_status);
306 	if (result != 0) {
307 		vdo_log_error_strerror(result, "synchronous read failed");
312 	result = vdo_parse_geometry_block((u8 *) block, &vdo->geometry);
314 	return result;
447 	int result;
450 	result = VDO_ASSERT(filter_vdos_locked(vdo_is_equal, vdo) == NULL,
452 	if (result == VDO_SUCCESS) {
458 	return result;
472 	int result;
484 	result = read_geometry_block(vdo);
485 	if (result != VDO_SUCCESS) {
487 		return result;
490 	result = initialize_thread_config(config->thread_counts, &vdo->thread_config);
491 	if (result != VDO_SUCCESS) {
493 		return result;
502 	result = vdo_allocate(config->thread_counts.cpu_threads, char *, "LZ4 context",
504 	if (result != VDO_SUCCESS) {
506 		return result;
510 		result = vdo_allocate(LZ4_MEM_COMPRESS, char, "LZ4 context",
512 		if (result != VDO_SUCCESS) {
514 			return result;
518 	result = register_vdo(vdo);
519 	if (result != VDO_SUCCESS) {
521 		return result;
525 	return result;
540 	int result;
546 	result = vdo_allocate(1, struct vdo, __func__, &vdo);
547 	if (result != VDO_SUCCESS) {
549 		return result;
552 	result = initialize_vdo(vdo, config, instance, reason);
553 	if (result != VDO_SUCCESS) {
555 		return result;
564 	result = vdo_allocate(vdo->thread_config.thread_count,
566 	if (result != VDO_SUCCESS) {
568 		return result;
571 	result = vdo_make_thread(vdo, vdo->thread_config.admin_thread,
573 	if (result != VDO_SUCCESS) {
575 		return result;
578 	result = vdo_make_flusher(vdo);
579 	if (result != VDO_SUCCESS) {
581 		return result;
584 	result = vdo_make_packer(vdo, DEFAULT_PACKER_BINS, &vdo->packer);
585 	if (result != VDO_SUCCESS) {
587 		return result;
592 	result = make_data_vio_pool(vdo, MAXIMUM_VDO_USER_VIOS,
595 	if (result != VDO_SUCCESS) {
597 		return result;
600 	result = vdo_make_io_submitter(config->thread_counts.bio_threads,
604 	if (result != VDO_SUCCESS) {
606 		return result;
610 		result = vdo_make_thread(vdo, vdo->thread_config.bio_ack_thread,
613 		if (result != VDO_SUCCESS) {
615 			return result;
619 	result = vdo_make_thread(vdo, vdo->thread_config.cpu_thread, &cpu_q_type,
622 	if (result != VDO_SUCCESS) {
624 		return result;
732 	int result;
734 	result = vdo_allocate(VDO_BLOCK_SIZE, char, "encoded super block",
736 	if (result != VDO_SUCCESS)
737 		return result;
788 	int result;
790 	result = initialize_super_block(vdo, &vdo->super_block);
791 	if (result != VDO_SUCCESS) {
792 		vdo_continue_completion(parent, result);
834 	int result;
840 	result = blk_status_to_errno(bio.bi_status);
843 	if (result != 0) {
844 		vdo_log_error_strerror(result, "synchronous flush failed");
845 		result = -EIO;
849 	return result;
916 	vdo_continue_completion(vdo_forget(completion->parent), completion->result);
931 	vdo_log_error_strerror(completion->result, "super block save failed");
999 	int result;
1001 	result = VDO_ASSERT(thread_id != vdo->thread_config.dedupe_thread,
1003 	if (result != VDO_SUCCESS)
1004 		return result;
1006 	result = vdo_allocate(1, struct read_only_listener, __func__,
1008 	if (result != VDO_SUCCESS)
1009 		return result;
1136 					completion->result);
1364 	return sync.vdo_completion.result;
1708 	int result;
1724 	result = VDO_ASSERT(slab != NULL, "vdo_get_slab must succeed on all valid PBNs");
1725 	if (result != VDO_SUCCESS)
1726 		return result;