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#include "lib9.h"
#include "logfs.h"
#include "nandfs.h"
#include "local.h"
char *
nandfseraseblock(Nandfs *nandfs, long block, void **llsavep, int *markedbad)
{
NandfsBlockData *d;
char *errmsg;
if (markedbad)
*markedbad = 0;
errmsg = (*nandfs->erase)(nandfs->magic, nandfs->rawblocksize * (nandfs->baseblock + block));
if (errmsg) {
if (nandfs->blockdata) {
d = &nandfs->blockdata[block];
d->tag = LogfsTworse;
nandfs->worseblocks = 1;
}
if (strcmp(errmsg, Eio) != 0)
return errmsg;
if (markedbad) {
*markedbad = 1;
errmsg = nandfsmarkblockbad(nandfs, block);
if (strcmp(errmsg, Eio) != 0)
return errmsg;
return nil;
}
return errmsg;
}
if (nandfs->blockdata) {
ulong *llsave;
d = &nandfs->blockdata[block];
if (llsavep) {
llsave = nandfsrealloc(nil, sizeof(ulong));
if (llsave == nil)
return Enomem;
*llsave = d->nerase;
*llsavep = llsave;
}
d->tag = 0xff;
d->path = NandfsPathMask;
d->nerase = NandfsNeraseMask;
}
return nil;
}
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