Re: [PATCH] iomap: hide iomap_sector with CONFIG_BLOCK=n

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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



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