my $im = $ibx->importer(0);
$im->lock_acquire;
my ($tmp, $queue) = prepare_run($ibx, $opt);
# fine-grained locking if we prepare for reindex
if (!$opt->{-coarse_lock}) {
my $im = $ibx->importer(0);
$im->lock_acquire;
my ($tmp, $queue) = prepare_run($ibx, $opt);
# fine-grained locking if we prepare for reindex
if (!$opt->{-coarse_lock}) {