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In-Reply-To: <20180705201726.512-1-keith.busch@intel.com>
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From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 5 Jul 2018 14:13:14 -0700
Message-ID: <CAPcyv4hmEOJF-T9Ueqe5hcOqG11HS9RrE2ttkwqgsx2OasE5Ag@mail.gmail.com>
Subject: Re: [PATCHv2 1/2] libnvdimm: Use max contiguous area for namespace
 size
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To: Keith Busch <keith.busch@intel.com>
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On Thu, Jul 5, 2018 at 1:17 PM, Keith Busch <keith.busch@intel.com> wrote:
> This patch will find the max contiguous area to determine the largest
> namespace size that can be created. If the requested size exceeds the
> largest available, ENOSPC error will be returned.
>
> This fixes the allocation underrun error and wrong error return code
> that have otherwise been observed as the following kernel warning:
>
>   WARNING: CPU: <CPU> PID: <PID> at drivers/nvdimm/namespace_devs.c:913 size_store
>
> Fixes: a1f3e4d6a0c3 ("libnvdimm, region: update nd_region_available_dpa() for multi-pmem support")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Keith Busch <keith.busch@intel.com>
> ---
> v1 -> v2:
>
>   Updated changelog to indicate the warning this patch fixes and copy
>   stable.
>
>   Fixed code comments with the correct name of a function

Looks good to me, applied to my for-4.18/libnvdimm tracking branch.
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