$dumpcmd = "afio -b $softblocksizebytes -Zo -";
$dumpin = '<&FINDOR';
} elsif ($tm eq 'ntfsimage') {
-# fixme have to find device rather than mountpoint (atf is mountpoint)
- $dumpcmd= "ntfsimage -vvf --dirty $atf";
+ $dumpcmd= "ntfsimage -vvf --dirty $dev";
} else {
die "unknown method $tm for $prefix:$atf\n";
}