[Solved] Can btrfs track / avoid bad blocks?

Tom Hale Asks: Can btrfs track / avoid bad blocks?
I have a HDD which I don’t entirely trust, but still want to use (burstcoin mining, where if I get a bad block in a file, I’ll only lose a few cents).

How can I tell btrfs to mark certain blocks as bad (eg from badblocks output)?

If I can’t pre-mark blocks as bad, will any bad blocks identified by btrfs scrub be avoided in future if the file using them is deleted?

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