[Metadata] 1, 1.0, 1.1, 1.2
Use the new version-1 format superblock. This
has few restrictions. The different sub-versions store the superblock
at different locations on the device,
either at the end (for 1.0), at the start (for 1.1)
or 4K from the start (for 1.2).
--
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Martin Lomas
martin at ml1.co.uk
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