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Re: kern/53217: -current: dumping to wedges on GPT disks broken

On Apr 27, 2018, at 8:35 AM, Christos Zoulas <> wrote:

I think that we should either fix the wedge code to create a better
fictitious disklabel or get rid of the label code and have it just
be there for compatibility (replacing dk_label with something that
works in all cases).

The original intent of the wedge code is that it would subsume all of the partition format schemes, and that “struct disklabel” would remain for on-disk format compatibility only.

In a perfect world, all platforms that don’t otherwise have a “native” partition scheme (i.e. something that’s understood directly by, say, the firmware) would migrate to GPT, since it’s cross-platform and extremely flexible.

-- thorpej

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