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cwfs: restore backup block even if directory block didnt got a new address

cinap_lenrek 2011-06-06 07:16:00 +00:00
parent 9310110448
commit c39aecc111
1 changed files with 14 additions and 14 deletions
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28
sys/src/cmd/cwfs/cw.c
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@ -1448,19 +1448,21 @@ cwrecur(Cw *cw, Off addr, int tag, int tag1, long qp)
cw->depth--;
if(na){
if(b){
p = getbuf(cw->dev, na, Brd);
if(!p || checktag(p, tag, qp)){
fprint(2, "cwrecur: b/p null %s\n", cw->name);
na = 0;
} else {
memmove(p->iobuf, b->iobuf, RBUFSIZE);
p->flags |= Bmod|Bimm;
}
if(p)
putbuf(p);
if(b){
p = getbuf(cw->dev, na ? na : addr, Brd);
if(!p || checktag(p, tag, qp)){
fprint(2, "cwrecur: b/p null\n");
na = 0;
} else {
memmove(p->iobuf, b->iobuf, RBUFSIZE);
p->flags |= Bmod|Bimm;
}
if(p)
putbuf(p);
putbuf(b);
}
if(na){
if(shouldstop){
if(cw->falsehits < 10)
fprint(2, "shouldstop %lld %lld t=%s %s\n",
@ -1469,8 +1471,6 @@ cwrecur(Cw *cw, Off addr, int tag, int tag1, long qp)
cw->falsehits++;
}
}
if(b)
putbuf(b);
return na;
}