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

From: Jeff Moyer
Date: Mon Jun 22 2015 - 14:33:11 EST

Christoph Hellwig <hch@xxxxxx> writes:

> On Mon, Jun 22, 2015 at 09:48:03AM -0700, Dan Williams wrote:
>> Only if you abandon BTT on partitions, which at this point it seems
>> you're boldly committed to doing. It's unacceptable to drop BTT on
>> the floor so I'll take a look at making BTT per-disk only for 4.2.
> If by partitions you mean block layer partitions: yes. If by partitions
> you mean subdivision of nvdimms: no.

How will this subdivision be recorded? Not all NVDIMMs support the
label specification.

Sysadmins are already familiar with partitions; I'm not sure why we'd
deviate from that here. What am I missing?

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