Re: [PATCH 04/12] mm: Add readahead address space operation

Matthew Wilcox
2020-02-01T00:25:48Z

On Fri, Jan 24, 2020 at 07:57:40PM -0800, Randy Dunlap wrote:
> > +``readahead``
> > + called by the VM to read pages associated with the address_space
> > + object. The pages are consecutive in the page cache and are
> > + locked. The implementation should decrement the page refcount after
> > + attempting I/O on each page. Usually the page will be unlocked by
> > + the I/O completion handler. If the function does not attempt I/O on
> > + some pages, return the number of pages which were not read so the
> > + common code can unlock the pages for you.
> > +
>
> Please use consistent indentation (tabs).

This turned out to be not my fault. The vim rst ... mode? plugin?
Whatever it is, it's converting tabs to spaces! To fix it, I had to
rename the file to .txt, make the edits, then rename it back. This is
very poor behaviour.