On Mon, May 15, 2017 at 6:44 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > We allow configurations with CONFIG_BLOCK=n and CONFIG_DAX=y, which now > results in a link error: > > drivers/dax/super.c: In function 'bdev_dax_pgoff': > drivers/dax/super.c:50:26: error: implicit declaration of function 'get_start_sect'; did you mean 'get_task_cred'? [-Werror=implicit-function-declaration] > > The two obvious ways to avoid the link error are to either add an #ifdef > around the code that was moved from fs/block_dev.c, or to disallow the > configuration. I could not see if there is or is not a reason to support > this combination of options, but in case there is, the #ifdef is the > safer choice. > > Fixes: ef51042472f5 ("block, dax: move "select DAX" from BLOCK to FS_DAX") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Yup, the same one I came up with: https://patchwork.kernel.org/patch/9725513/ If you have a a pull request coming up soon you can add my Acked-by to both of these patches, otherwise I'll send what I have along at the end of the week. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html