Where is nilfs2 fsck

[David Niklas]

Alas, my beautiful fs has become damaged and fsck does nothing, I think
it's a nop.
What is wrong, something in the btree, the original message was in
syslog but it seems to have rotated, I could tell you but I'd have to
cause my kernel to remount my home dir RO, which is not acceptable at
this time.
I'm not interested in the files that can't be accessed, I was trying to
delete them when I found the error so even an experimental fsck would do.
I do have nilfs2-utils installed but I can't find anything useful in
there.
Do I need to backup and reformat the partition?

Thanks, David

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