On Wed, Sep 12, 2018 at 06:06:22AM +0800, Liu Bo wrote: > As VFS has called ->invalidatepage() to get all ordered extents done > and truncated all page cache pages, wait_ordered_range() is just a > noop. Agreed, though looking up the exact points when there are no pages to be waited for took me some time. More references and hints in the changelog would be good. I'll add the patch to misc-next so it can be tested, but please send me an update if you have idea how to rephrase the changelog. Thanks. Reviewed-by: David Sterba <dsterba@xxxxxxxx>
