On Thu, Aug 10, 2017 at 04:28:05AM -0700, Christoph Hellwig wrote: > > + * The hacking way of using bvec table as page pointer array is safe > > + * even after multipage bvec is introduced because that space can be > > + * thought as unused by bio_add_page(). > > I'm not sure what value this comment adds. > > Note that once we have multi-page biovecs this could should change > to take advantage of multipage biovecs, so adding a comment before > that doesn't seem too helpful. As mentioned in comment on patch 8, bio_alloc_pages() should be move to bcache. -- Ming
