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].
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