On Mon, Mar 27, 2017 at 04:00:08PM +0000, Stephen Bates wrote: > Thanks for the review Omar! > > >> > >> -unsigned int blk_stat_rq_ddir(const struct request *rq) > >> +int blk_stat_rq_ddir(const struct request *rq) > >> { > >> - return rq_data_dir(rq); > >> + return (int)rq_data_dir(rq); > > > >The cast here here isn't necessary, let's leave it off. > > > > OK, I will add that in the respin! > > >> } > >> EXPORT_SYMBOL_GPL(blk_stat_rq_ddir); > >> > >> @@ -100,6 +100,8 @@ void blk_stat_add(struct request *rq) > >> list_for_each_entry_rcu(cb, &q->stats->callbacks, list) { > >> if (blk_stat_is_active(cb)) { > >> bucket = cb->bucket_fn(rq); > >> + if (bucket < 0) > >> + continue; > > > >You also need to change the declaration of bucket to int above. > > > > Ummmm, it is already is an int… Yup, I was looking at the wrong place, sorry.