#include "lib9.h"#include "logfs.h"#include "nandfs.h"#include "local.h" char *nandfsmarkabsblockbad(Nandfs *nandfs, long absblock){	NandfsAuxiliary hdr;	int page;	int ppb; 	memset(&hdr, 0xff, sizeof(hdr));	hdr.blockstatus = 0xf0;		// late failure 	ppb = 1 << nandfs->ll.l2pagesperblock;	for (page = 0; page < ppb; page++) {		char *errmsg = (*nandfs->write)(nandfs->magic, &hdr, sizeof(hdr), nandfs->rawblocksize * absblock + page * NandfsFullSize + NandfsPageSize);		if (errmsg && strcmp(errmsg, Eio) != 0)			return errmsg;	} 	return nil;} char *nandfsmarkblockbad(Nandfs *nandfs, long block){	char *errmsg;	errmsg = nandfsmarkabsblockbad(nandfs, block + nandfs->baseblock);	if (errmsg)		return errmsg; 	if (nandfs->blockdata) {		NandfsBlockData *d;		d = &nandfs->blockdata[block];		d->tag = LogfsTbad;	} 	return nil;}