Re: [PATCHv2 1/2] libnvdimm: Use max contiguous area for namespace size

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On Thu, Jul 5, 2018 at 1:17 PM, Keith Busch <keith.busch@xxxxxxxxx> 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@xxxxxxxxxxxxxxx>
> Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
> ---
> 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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