How do I fix btrfs?

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http://unix.stackexchange.com – I've trawled mailing lists and finally finished up on Ubuntu's btrfs page, and am left feeling that btrfs still does not have a full fixing utility (as indicated on their home page). Even though months ago it was slated for being the default for Oracle's linux and is included in many distros. So, in lieu of that, is there a troubleshooting guide somewhere about how to fix btrfs? Failing that, will copying my backups over the top of my fs fix things up? (While deleting snapshots if necessary for space? Or to delete corruption?) Should I instead try to revert to a previous snapshot and then r (HowTos)