On Thu, Jul 08, 2021 at 11:26:29AM -0400, Chuck Lever wrote:
> @@ -256,6 +256,9 @@ struct svc_rqst {
> struct page * *rq_next_page; /* next reply page to use */
> struct page * *rq_page_end; /* one past the last page */
>
> + struct page *rq_relpages[16];
> + int rq_numrelpages;
This is only one struct page away from being a pagevec ... ?
> @@ -838,6 +839,33 @@ svc_set_num_threads_sync(struct svc_serv *serv, struct svc_pool *pool, int nrser
> }
> EXPORT_SYMBOL_GPL(svc_set_num_threads_sync);
>
> +static void svc_rqst_release_replaced_pages(struct svc_rqst *rqstp)
> +{
> + release_pages(rqstp->rq_relpages, rqstp->rq_numrelpages);
> + rqstp->rq_numrelpages = 0;
This would be pagevec_release()
