[PATCH 15/26] mm: Export writeback_iter()

[Christoph Hellwig]

On Wed, Apr 03, 2024 at 11:55:00AM +0100, David Howells wrote:
> So why are we bothering with EXPORT_SYMBOL at all?  Why don't you just send a
> patch replace all of them with EXPORT_SYMBOL_GPL()?

No my business.  But if you want to side track this let me just put this
in here:

NAK to the non-GPL EXPORT of writeback_iter().