> 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.
Moving 'dax_synchronous' & 'set_dax_synchronous' function declaration
out of CONFIG_DAX should fix this. This will make compiler aware about
'device_synchronous' function for non DAX archs as well.
Thanks,
Pankaj
>
> I have reverted that commit for today.
> --
> Cheers,
> Stephen Rothwell
>
