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Date: Thu, 29 Jun 2017 18:28:14 -0700 From: Dan Williams <dan.j.williams@...el.com> To: Linda Knippers <linda.knippers@....com> Cc: "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>, Jan Kara <jack@...e.cz>, Matthew Wilcox <mawilcox@...rosoft.com>, X86 ML <x86@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Al Viro <viro@...iv.linux.org.uk>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Christoph Hellwig <hch@....de> Subject: Re: [PATCH v4 12/16] libnvdimm, nfit: enable support for volatile ranges On Thu, Jun 29, 2017 at 4:14 PM, Linda Knippers <linda.knippers@....com> wrote: > On 06/29/2017 06:58 PM, Dan Williams wrote: >> On Thu, Jun 29, 2017 at 3:49 PM, Linda Knippers <linda.knippers@....com> wrote: >>>> The parent region of the namespace will have a 'volatile' type: >>>> >>>> # cat /sys/bus/nd/devices/region0/devtype >>>> nd_volatile >>> >>> >>> If all I know is the /dev/pmem device name, how do I find that? >>> >> >> cat $(readlink -f /sys/block/pmem0/device)/../devtype >> >> ...this is where 'ndctl list' will get the information. >> > > Thanks. > > I think we need a section 4 pmem manpage like exists for > mem, sd, fd, md, etc., where we can put stuff like this, as well > as providing some overview information that will point people to > other resources. I'll give that some thought unless there is one > already that I'm not finding. > A "pmem" man page sounds like a great idea, I wasn't aware we even had an sd man page.
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