linux-kernel - Re: [PATCH v2 15/17] libnvdimm: Set numa

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Date:	Thu, 25 Jun 2015 19:21:39 -0600
From:	Toshi Kani <toshi.kani@...com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	"axboe@...nel.dk" <axboe@...nel.dk>,
	"linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"hch@....de" <hch@....de>
Subject: Re: [PATCH v2 15/17] libnvdimm: Set numa_node to NVDIMM devices

On Thu, 2015-06-25 at 18:08 -0700, Dan Williams wrote:
> On Thu, Jun 25, 2015 at 5:55 PM, Toshi Kani <toshi.kani@...com> wrote:
> > On Thu, 2015-06-25 at 23:42 +0000, Williams, Dan J wrote:
> >> On Thu, 2015-06-25 at 16:55 -0600, Toshi Kani wrote:
 :
> >
> > Now, how do I unbind BTT?  I did the following as a guess, but BTT got
> > reattached again before I have a chance to delete the metadata, which I
> > need /dev/pmemN.
> >
> > NUM=1
> > cd /sys/bus/nd/devices
> > echo ""  > btt${NUM}.1/namespace
> > echo btt${NUM}.1 > ../drivers/nd_pmem/unbind
> 
> echo 1 > namespace${NUM}.0/force_raw
> 
> > echo namespace${NUM}.0 > ../drivers/nd_pmem/bind
> >

Cool!  Yes, it works with the force_raw.  (I changed the ordering a
bit).

NUM=1
cd /sys/bus/nd/devices
echo btt${NUM}.1 > ../drivers/nd_pmem/unbind
echo "" > btt${NUM}.1/namespace
echo 1 > namespace${NUM}.0/force_raw
echo namespace${NUM}.0 > ../drivers/nd_pmem/bind

Thanks,
-Toshi


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