PublicInbox::Syscall::nodatacow_dir($mi_dir);
my $flags = $PublicInbox::SearchIdx::DB_CREATE_OR_OPEN;
$flags |= $PublicInbox::SearchIdx::DB_NO_SYNC if $eidx->{-no_fsync};
PublicInbox::Syscall::nodatacow_dir($mi_dir);
my $flags = $PublicInbox::SearchIdx::DB_CREATE_OR_OPEN;
$flags |= $PublicInbox::SearchIdx::DB_NO_SYNC if $eidx->{-no_fsync};