Re: linux-next: build failure after merge of the nvdimm tree

[Dan Williams]

On Thu, Jul 21, 2016 at 11:13 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi Dan,
>
> After merging the nvdimm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> In file included from drivers/md/dm.h:14:0,
>                  from drivers/md/dm-uevent.c:27:
> include/linux/device-mapper.h:134:22: error: expected ';', ',' or ')' before '*' token
>           void __pmem **kaddr, pfn_t *pfn, long size);
>                       ^
> include/linux/device-mapper.h:182:2: error: unknown type name 'dm_direct_access_fn'
>   dm_direct_access_fn direct_access;
>   ^
>
> Caused by commit
>
>   7a9eb2066631 ("pmem: kill __pmem address space")
>
> interacting with commit
>
>   545ed20e6df6 ("dm: add infrastructure for DAX support")
>
> from the device-mapper tree.
>
> I applied the following merge fix patch for today.  Someone needs to
> tell Linus about this when he merges the trees.

There's no real rush to remove "__pmem" I'll pull this out until after
DM DAX support has merged.

Thanks Stephen!