Re: [PATCH v6 01/19] mm: Return void from various readahead functions
From: Dave Chinner
Date: Mon Feb 17 2020 - 23:47:50 EST
On Mon, Feb 17, 2020 at 10:45:42AM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
> ondemand_readahead has two callers, neither of which use the return value.
> That means that both ra_submit and __do_page_cache_readahead() can return
> void, and we don't need to worry that a present page in the readahead
> window causes us to return a smaller nr_pages than we ought to have.
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>