> -----Original Message-----
> From: Linux-nvdimm [mailto:linux-nvdimm-boun...@lists.01.org] On Behalf
> Of Dan Williams
> Sent: Thursday, May 14, 2015 7:42 PM
> To: Kani, Toshimitsu
> Cc: Neil Brown; Greg KH; linux-kernel@vger.kernel.org; linux-
> nvd...@lists.01.org
> Subject: Re: [Linux-nvdimm] [PATCH v2 18/20] libnd: infrastructure for
> btt devices
> 
...
> So we can fix this to be at least as stable as the backing device
> names [1], but as far as I can see we would need to start using the
> backing device name in the btt device name.  A strawman proposal is to
> append 's' to indicated 'sectored'.  So /dev/pmem0s is the btt
> instance fronting /dev/pmem0.  Other examples:
> 
> /dev/pmem0p1s
> /dev/ndblk0.0s
> /dev/ndblk0.0p1s
> ...
> 
> Thoughts?
> 
> [1]: https://lists.01.org/pipermail/linux-nvdimm/2015-April/000636.html

I like that; it also hints to the user that another driver has already
claimed /dev/pmem0, similar to how the presence of /dev/sda1, /dev/sda2,
etc. hints that a program has partitioned /dev/sda.


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