Re: [PATCH v6 05/19] mm: Remove 'page_offset' from readahead loop

From: Dave Chinner
Date: Tue Feb 18 2020 - 00:14:45 EST


On Mon, Feb 17, 2020 at 10:45:48AM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
>
> Eliminate the page_offset variable which was confusing with the
> 'offset' parameter and record the start of each consecutive run of
> pages in the readahead_control.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> ---
> mm/readahead.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)

Looks ok, but having the readahead dispatch out of line from the
case that triggers it makes it hard to follow.

Cheers,

Dave.

--
Dave Chinner
david@xxxxxxxxxxxxx