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References: <20200108065219.171221-1-aneesh.kumar@linux.ibm.com> <x49muavm4gx.fsf@segfault.boston.devel.redhat.com>
In-Reply-To: <x49muavm4gx.fsf@segfault.boston.devel.redhat.com>
From: Dan Williams <dan.j.williams@intel.com>
Date: Fri, 10 Jan 2020 13:03:52 -0800
Message-ID: <CAPcyv4inMqu=CbZo9KGFnHEhZowvcvXXWz67-opDjHATTbimJw@mail.gmail.com>
Subject: Re: [PATCH v3 1/6] libnvdimm/namespace: Make namespace size
 validation arch dependent
To: Jeff Moyer <jmoyer@redhat.com>
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CC: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>, linux-nvdimm <linux-nvdimm@lists.01.org>
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On Fri, Jan 10, 2020 at 12:39 PM Jeff Moyer <jmoyer@redhat.com> wrote:
>
> Hi, Aneesh,
>
> After applying this patch series, several of my namespaces no longer
> enumerate:
>
> Before:
>
> # ndctl list
> [
>   {
>     "dev":"namespace0.2",
>     "mode":"sector",
>     "size":106541672960,
>     "uuid":"ea1122b2-c219-424c-b09c-38a6e94a1042",
>     "sector_size":512,
>     "blockdev":"pmem0.2s"
>   },
>   {
>     "dev":"namespace0.1",
>     "mode":"fsdax",
>     "map":"dev",
>     "size":10567548928,
>     "uuid":"68b6746f-481a-4ae6-80b5-71d62176606c",
>     "sector_size":512,
>     "align":4096,
>     "blockdev":"pmem0.1"
>   },
>   {
>     "dev":"namespace0.0",
>     "mode":"fsdax",
>     "map":"dev",
>     "size":52850327552,
>     "uuid":"6d3a0199-5d9a-4fed-830d-e25249b70571",
>     "sector_size":512,
>     "align":2097152,
>     "blockdev":"pmem0"
>   }
> ]
>
> After:
>
> # ndctl list
> [
>   {
>     "dev":"namespace0.0",
>     "mode":"fsdax",
>     "map":"dev",
>     "size":52850327552,
>     "uuid":"6d3a0199-5d9a-4fed-830d-e25249b70571",
>     "sector_size":512,
>     "align":2097152,
>     "blockdev":"pmem0"
>   }
> ]
>
> I won't have time to dig into it this week, but I wanted to mention it
> before Dan merged these patches.
>
> I'll follow up next week with more information.

Thanks Jeff, I hadn't had a chance to dig in on these yet.

Aneesh are you able to run the ndctl unit tests? Even if they don't
run on powerpc you should be able to get them to run on x86 qemu just
to catch the basics.
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