LinuxBSDos.com shows you how to enable btrfs on Fedora 14
Like Fedora 13, Fedora 14, the latest version of Fedora, has support for btrfs. However, it is not enabled out of the box, that is, it is not available as a File System Type option, if you did not edit the boot method to include btrfs.How to enable btrfs on Fedora 14