$opts .= ",snapshot=$v";
}
- # ro is 'readonly', and only accepts on|off
- if (defined($drive->{ro})) {
- my $v = $drive->{ro} ? 'on' : 'off';
- $opts .= ",readonly=$v";
+ if (defined($drive->{ro})) { # ro maps to QEMUs `readonly`, which accepts `on` or `off` only
+ $opts .= ",readonly=" . ($drive->{ro} ? 'on' : 'off');
}
foreach my $type (['', '-total'], [_rd => '-read'], [_wr => '-write']) {