The subjet is about as useless as it gets :)
The essence is that it should take the iter into account, so name that.
> --- a/include/linux/blk-integrity.h
> +++ b/include/linux/blk-integrity.h
> @@ -109,11 +109,12 @@ static inline bool blk_integrity_rq(struct request *rq)
> * Return the first bvec that contains integrity data. Only drivers that are
> * limited to a single integrity segment should use this helper.
> */
The comment really needs an update. With this rq_integrity_vec now
is a "normal" iter based operation, that can actually be used by
drivers with multiple integrity segments if it is properly advanced.
> +static inline struct bio_vec rq_integrity_vec(struct request *rq)
> {
> - return NULL;
> + return (struct bio_vec){0};
No need for the 0 here.
