Mark Lord wrote:
To do so, requires that we perhaps do a similar capacity truncation
in sata_mv, but only if we see a metadata block at the expected location
(because a "Legacy" mode drive will use the *real* capacity,
placing the metadata in the 9th sector instead.

Definitely _not_. This is a core Linux maxim: export what the hardware exports, no more no less. We drive the "bare metal."

OTOH it is quite reasonable to explore auto-loading DM on top of the bare drive, and populating a DM table, if you see that particular BIOS signature or [insert other detection method].

        Jeff


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