On 25 Feb 2020, at 16:48, Matthew Wilcox wrote:

> From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
>
> The word 'offset' is used ambiguously to mean 'byte offset within
> a page', 'byte offset from the start of the file' and 'page offset
> from the start of the file'.  Use 'index' to mean 'page offset
> from the start of the file' throughout the readahead code.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

Looks good to me.

Reviewed-by: Zi Yan <ziy@nvidia.com>

—
Best Regards,
Yan Zi