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

[Stephen Rothwell]

Hi Dan,

After merging the nvdimm tree, today's linux-next build (i386 defconfig)
failed like this:

drivers/md/dm-table.c: In function 'device_synchronous':
drivers/md/dm-table.c:897:9: error: implicit declaration of function 'dax_synchronous'; did you mean 'device_synchronous'? [-Werror=implicit-function-declaration]
  return dax_synchronous(dev->dax_dev);
         ^~~~~~~~~~~~~~~
         device_synchronous
drivers/md/dm-table.c: In function 'dm_table_set_restrictions':
drivers/md/dm-table.c:1925:4: error: implicit declaration of function 'set_dax_synchronous'; did you mean 'device_synchronous'? [-Werror=implicit-function-declaration]
    set_dax_synchronous(t->md->dax_dev);
    ^~~~~~~~~~~~~~~~~~~
    device_synchronous
cc1: some warnings being treated as errors

Caused by commit

  38887edec247 ("dm: enable synchronous dax")

CONFIG_DAX is not set for this build.

I have reverted that commit for today.
-- 
Cheers,
Stephen Rothwell

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