how to destroy zfs parent filesystem without destroying children - corrupted file causing kernel panick

[Greg Bonett]

>
> My next plan would be reporting the problem with sufficient
> information so the bug can be fixed.
>
> Destroying the dataset or the whole pool seems like papering over the
> real issue to me and you could still do it if the PR gets ignored for
> too long or a developer agrees that this is the only option.
>
>
ok, that's a good idea - do you know where I should report this problem?

unfortunately, I don't know how I can provide the problematic file because
any read, cp, or mv causes kernel panic.