On Thu, Jul 18, 2019 at 3:08 PM Christoph Hellwig <hch@xxxxxx> wrote: > > On Thu, Jul 18, 2019 at 03:03:15PM +0200, Arnd Bergmann wrote: > > The inclusion comes from the recently added header check in commit > > c93a0368aaa2 ("kbuild: do not create wrappers for header-test-y"). > > > > This just tries to include every header by itself to see if there are build > > failures from missing indirect includes. We probably don't want to > > add an exception for iomap.h there. > > I very much disagree with that check. We don't need to make every > header compilable with a setup where it should not be included. I do like the extra check there, and it did not seem to need too many fixes to get it working in the first place. > That being said if you feel this is worth fixing I'd rather define > SECTOR_SIZE/SECTOR_SHIFT unconditionally. I'll give that a try and send a replacement patch after build testing succeeds for a number of randconfig builds. Arnd