Re: [PATCH v6 0/2] dax, dm: stop requiring dax for device-mapper

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On Thu, Jan 4, 2018 at 10:12 AM, Mike Snitzer <snitzer@xxxxxxxxxx> wrote:
> On Wed, Nov 29 2017 at  1:59pm -0500,
> Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
>
>> Changes since v5 [1]:
>> * Make DAX_DRIVER select DAX to simplify the Kconfig dependencies
>>   (Michael)
>> * Rebase on 4.15-rc1 and add new IS_ENABLED(CONFIG_DAX_DRIVER) checks in
>>   drivers/md/dm-log-writes.c.
>>
>> [1]: https://lists.01.org/pipermail/linux-nvdimm/2017-September/012569.html
>>
>> ---
>>
>> Hi Mike,
>>
>> Bart points out that the DAX core is unconditionally enabled if
>> device-mapper is enabled. Add some config machinery and some
>> stub/static-inline routines to allow dax infrastructure to be deleted
>> from device-mapper at compile time.
>
> Hey Dan,
>
> Did you want me to pick this up for 4.16 or were you thinking of sending
> the changes through a different tree?
>
> I'm fine with picking these up so long as you don't expect the dax.h and
> Kconfig changes to become a source of conflict come merge time.

There might be some more collisions as we are going to kill the DAX
support in axonram and dcssblk. If I get your reviewed-by on these
I'll take them through the nvdimm tree.

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