268 	int ok;  in yaffs2_rd_checkpt_validity_marker()  local
270 	ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));  in yaffs2_rd_checkpt_validity_marker()
272 	if (ok)  in yaffs2_rd_checkpt_validity_marker()
273 		ok = (cp.struct_type == sizeof(cp)) &&  in yaffs2_rd_checkpt_validity_marker()
277 	return ok ? 1 : 0;  in yaffs2_rd_checkpt_validity_marker()
314 	int ok;  in yaffs2_wr_checkpt_dev()  local
320 	ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp));  in yaffs2_wr_checkpt_dev()
321 	if (!ok)  in yaffs2_wr_checkpt_dev()
326 	ok = (yaffs2_checkpt_wr(dev, dev->block_info, n_bytes) == n_bytes);  in yaffs2_wr_checkpt_dev()
327 	if (!ok)  in yaffs2_wr_checkpt_dev()
332 	ok = (yaffs2_checkpt_wr(dev, dev->chunk_bits, n_bytes) == n_bytes);  in yaffs2_wr_checkpt_dev()
334 	return ok ? 1 : 0;  in yaffs2_wr_checkpt_dev()
343 	int ok;  in yaffs2_rd_checkpt_dev()  local
345 	ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));  in yaffs2_rd_checkpt_dev()
346 	if (!ok)  in yaffs2_rd_checkpt_dev()
356 	ok = (yaffs2_checkpt_rd(dev, dev->block_info, n_bytes) == n_bytes);  in yaffs2_rd_checkpt_dev()
358 	if (!ok)  in yaffs2_rd_checkpt_dev()
363 	ok = (yaffs2_checkpt_rd(dev, dev->chunk_bits, n_bytes) == n_bytes);  in yaffs2_rd_checkpt_dev()
365 	return ok ? 1 : 0;  in yaffs2_rd_checkpt_dev()
451 	int ok = 1;  in yaffs2_checkpt_tnode_worker()  local
458 		for (i = 0; i < YAFFS_NTNODES_INTERNAL && ok; i++) {  in yaffs2_checkpt_tnode_worker()
461 			ok = yaffs2_checkpt_tnode_worker(in,  in yaffs2_checkpt_tnode_worker()
467 		return ok;  in yaffs2_checkpt_tnode_worker()
472 	ok = (yaffs2_checkpt_wr(dev, &base_offset, sizeof(base_offset)) ==  in yaffs2_checkpt_tnode_worker()
474 	if (ok)  in yaffs2_checkpt_tnode_worker()
475 		ok = (yaffs2_checkpt_wr(dev, tn, dev->tnode_size) ==  in yaffs2_checkpt_tnode_worker()
478 	return ok;  in yaffs2_checkpt_tnode_worker()
484 	int ok = 1;  in yaffs2_wr_checkpt_tnodes()  local
487 		return ok;  in yaffs2_wr_checkpt_tnodes()
489 	ok = yaffs2_checkpt_tnode_worker(obj,  in yaffs2_wr_checkpt_tnodes()
493 	if (ok)  in yaffs2_wr_checkpt_tnodes()
494 		ok = (yaffs2_checkpt_wr(obj->my_dev, &end_marker,  in yaffs2_wr_checkpt_tnodes()
497 	return ok ? 1 : 0;  in yaffs2_wr_checkpt_tnodes()
503 	int ok = 1;  in yaffs2_rd_checkpt_tnodes()  local
509 	ok = (yaffs2_checkpt_rd(dev, &base_chunk, sizeof(base_chunk)) ==  in yaffs2_rd_checkpt_tnodes()
512 	while (ok && (~base_chunk)) {  in yaffs2_rd_checkpt_tnodes()
518 			ok = (yaffs2_checkpt_rd(dev, tn, dev->tnode_size) ==  in yaffs2_rd_checkpt_tnodes()
521 			ok = 0;  in yaffs2_rd_checkpt_tnodes()
523 		if (tn && ok)  in yaffs2_rd_checkpt_tnodes()
524 			ok = yaffs_add_find_tnode_0(dev,  in yaffs2_rd_checkpt_tnodes()
528 		if (ok)  in yaffs2_rd_checkpt_tnodes()
529 			ok = (yaffs2_checkpt_rd  in yaffs2_rd_checkpt_tnodes()
536 		nread, base_chunk, ok);  in yaffs2_rd_checkpt_tnodes()
538 	return ok ? 1 : 0;  in yaffs2_rd_checkpt_tnodes()
546 	int ok = 1;  in yaffs2_wr_checkpt_objs()  local
553 	for (i = 0; ok && i < YAFFS_NOBJECT_BUCKETS; i++) {  in yaffs2_wr_checkpt_objs()
565 				ok = (yaffs2_checkpt_wr(dev, &cp,  in yaffs2_wr_checkpt_objs()
568 				if (ok &&  in yaffs2_wr_checkpt_objs()
571 					ok = yaffs2_wr_checkpt_tnodes(obj);  in yaffs2_wr_checkpt_objs()
580 	if (ok)  in yaffs2_wr_checkpt_objs()
581 		ok = (yaffs2_checkpt_wr(dev, &cp, sizeof(cp)) == sizeof(cp));  in yaffs2_wr_checkpt_objs()
583 	return ok ? 1 : 0;  in yaffs2_wr_checkpt_objs()
590 	int ok = 1;  in yaffs2_rd_checkpt_objs()  local
595 	while (ok && !done) {  in yaffs2_rd_checkpt_objs()
596 		ok = (yaffs2_checkpt_rd(dev, &cp, sizeof(cp)) == sizeof(cp));  in yaffs2_rd_checkpt_objs()
600 				cp.struct_type, (int)sizeof(cp), ok);  in yaffs2_rd_checkpt_objs()
601 			ok = 0;  in yaffs2_rd_checkpt_objs()
609 		if (ok && cp.obj_id == ~0) {  in yaffs2_rd_checkpt_objs()
611 		} else if (ok) {  in yaffs2_rd_checkpt_objs()
616 				ok = yaffs2_checkpt_obj_to_obj(obj, &cp);  in yaffs2_rd_checkpt_objs()
617 				if (!ok)  in yaffs2_rd_checkpt_objs()
621 					ok = yaffs2_rd_checkpt_tnodes(obj);  in yaffs2_rd_checkpt_objs()
627 				ok = 0;  in yaffs2_rd_checkpt_objs()
632 	if (ok)  in yaffs2_rd_checkpt_objs()
635 	return ok ? 1 : 0;  in yaffs2_rd_checkpt_objs()
641 	int ok;  in yaffs2_wr_checkpt_sum()  local
645 	ok = (yaffs2_checkpt_wr(dev, &checkpt_sum, sizeof(checkpt_sum)) ==  in yaffs2_wr_checkpt_sum()
648 	if (!ok)  in yaffs2_wr_checkpt_sum()
658 	int ok;  in yaffs2_rd_checkpt_sum()  local
662 	ok = (yaffs2_checkpt_rd(dev, &checkpt_sum1, sizeof(checkpt_sum1)) ==  in yaffs2_rd_checkpt_sum()
665 	if (!ok)  in yaffs2_rd_checkpt_sum()
676 	int ok = 1;  in yaffs2_wr_checkpt_data()  local
681 		ok = 0;  in yaffs2_wr_checkpt_data()
684 	if (ok)  in yaffs2_wr_checkpt_data()
685 		ok = yaffs2_checkpt_open(dev, 1);  in yaffs2_wr_checkpt_data()
687 	if (ok) {  in yaffs2_wr_checkpt_data()
690 		ok = yaffs2_wr_checkpt_validity_marker(dev, 1);  in yaffs2_wr_checkpt_data()
692 	if (ok) {  in yaffs2_wr_checkpt_data()
695 		ok = yaffs2_wr_checkpt_dev(dev);  in yaffs2_wr_checkpt_data()
697 	if (ok) {  in yaffs2_wr_checkpt_data()
700 		ok = yaffs2_wr_checkpt_objs(dev);  in yaffs2_wr_checkpt_data()
702 	if (ok) {  in yaffs2_wr_checkpt_data()
705 		ok = yaffs2_wr_checkpt_validity_marker(dev, 0);  in yaffs2_wr_checkpt_data()
708 	if (ok)  in yaffs2_wr_checkpt_data()
709 		ok = yaffs2_wr_checkpt_sum(dev);  in yaffs2_wr_checkpt_data()
712 		ok = 0;  in yaffs2_wr_checkpt_data()
714 	if (ok)  in yaffs2_wr_checkpt_data()
724 	int ok = 1;  in yaffs2_rd_checkpt_data()  local
727 		ok = 0;  in yaffs2_rd_checkpt_data()
729 	if (ok && dev->param.skip_checkpt_rd) {  in yaffs2_rd_checkpt_data()
732 		ok = 0;  in yaffs2_rd_checkpt_data()
735 	if (ok)  in yaffs2_rd_checkpt_data()
736 		ok = yaffs2_checkpt_open(dev, 0); /* open for read */  in yaffs2_rd_checkpt_data()
738 	if (ok) {  in yaffs2_rd_checkpt_data()
741 		ok = yaffs2_rd_checkpt_validity_marker(dev, 1);  in yaffs2_rd_checkpt_data()
743 	if (ok) {  in yaffs2_rd_checkpt_data()
746 		ok = yaffs2_rd_checkpt_dev(dev);  in yaffs2_rd_checkpt_data()
748 	if (ok) {  in yaffs2_rd_checkpt_data()
751 		ok = yaffs2_rd_checkpt_objs(dev);  in yaffs2_rd_checkpt_data()
753 	if (ok) {  in yaffs2_rd_checkpt_data()
756 		ok = yaffs2_rd_checkpt_validity_marker(dev, 0);  in yaffs2_rd_checkpt_data()
759 	if (ok) {  in yaffs2_rd_checkpt_data()
760 		ok = yaffs2_rd_checkpt_sum(dev);  in yaffs2_rd_checkpt_data()
762 			"read checkpoint checksum %d", ok);  in yaffs2_rd_checkpt_data()
766 		ok = 0;  in yaffs2_rd_checkpt_data()
768 	if (ok)  in yaffs2_rd_checkpt_data()
773 	return ok ? 1 : 0;  in yaffs2_rd_checkpt_data()