#include "logfsos.h"#include "logfs.h"#include "nandfs.h"#include "local.h" char *nandfsformatblock(Nandfs *nandfs, long absblock, uchar tag, ulong path, long baseblock, long sizeinblocks, int xcount, long *xdata, void *llsave, int *markedbad){	int page;	char *rv;	NandfsTags t;	int ppb; 	if (markedbad)		*markedbad = 0; 	t.tag = tag;	t.magic = LogfsMagic;	t.nerase = *(ulong *)llsave < NandfsNeraseMask ? *(ulong *)llsave + 1 : 1; 	ppb = 1 << nandfs->ll.l2pagesperblock;	for (page = 0, rv = nil; rv == nil && page < ppb; page++) {		if (tag == LogfsTboot && page > 0 && page < xcount + 3) {			switch (page) {			case 1:				t.path = baseblock;				break;			case 2:				t.path = sizeinblocks;				break;			default:				t.path = xdata[page - 3];				break;			}		}		else			t.path = path;		rv = nandfswritepageauxiliary(nandfs, &t, absblock, page);		if (rv)			break;	} 	if (rv) {		if (strcmp(rv, Eio) != 0)			return rv;		if (markedbad) {			*markedbad = 1;			rv = nandfsmarkabsblockbad(nandfs, absblock);			if (strcmp(rv, Eio) != 0)				return rv;			return nil;		}		return rv;	}			return nil;}