[PATCH v5 03/13] mm: Put readahead pages in cache earlier

[Matthew Wilcox]

On Thu, Feb 13, 2020 at 07:36:38PM -0800, John Hubbard wrote:
> I see two distinct things happening in this patch, and I think they want to each be
> in their own patch:
> 
> 1) A significant refactoring of the page loop, and
> 
> 2) Changing the place where the page is added to the page cache. (Only this one is 
>    mentioned in the commit description.)
> 
> We'll be more likely to spot any errors if these are teased apart.

Thanks.  I ended up splitting this patch into three, each hopefully
easier to understand.