Re: [PATCH 02/15] libnvdimm: infrastructure for btt devices

[Christoph Hellwig]

On Tue, Jun 23, 2015 at 08:19:57AM -0700, Dan Williams wrote:
> That tie was only to enable autodetect so that we don't need to run a
> BTT assembly step from an initramfs just to get an NVDIMM up and
> running.  It was a convenience, not a requirement.

It's a very deep tying for that feature.  Look at what the raid code
does just for scanning.  Although even that is officially deprecate
because people don't like in-kernel scanning (which I tend to disagree with).
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