Re: [PATCH v6 07/19] mm: Put readahead pages in cache earlier

[Matthew Wilcox]

On Wed, Feb 19, 2020 at 06:52:46AM -0800, Christoph Hellwig wrote:
> On Wed, Feb 19, 2020 at 06:41:17AM -0800, Matthew Wilcox wrote:
> > #define readahead_for_each(rac, page)                                   \
> >         while ((page = readahead_page(rac)))
> > 
> > No more readahead_next() to forget to add to filesystems which don't use
> > the readahead_for_each() iterator.  Ahem.
> 
> And then kill readahead_for_each and open code the above to make it
> even more obvious?

Makes sense.