F19: Can't mount btrfs file system - dmsg='btrfs: superblock checksum mismatch'

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http://forums.fedoraforum.org – Hi there, this (only) applies to Fedora 19 with btrfs-progs-0.20.rc1.20130308git704a08c-1 (the one that came with F19 and which has not been updated as of 18 September 2013). As the current git sources of btrfs-progs are fixed, I assume that the first update of the btrfs-progs package will fix the bug as well. After creating a btrfs file system, I filled it with data and then decided to give it a volume label with Code: btrfs filesystem label /dev/<aDevice> <aLabel> . As soon as I did this, I could not mount the file system anymore, with dmsg saying 'btrfs: superbloc (HowTos)