404 int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)  in af_alg_make_sg()  argument
410 	n = iov_iter_get_pages(iter, sgl->pages, len, ALG_MAX_PAGES, &off);  in af_alg_make_sg()
418 	sg_init_table(sgl->sg, npages + 1);  in af_alg_make_sg()
423 		sg_set_page(sgl->sg + i, sgl->pages[i], plen, off);  in af_alg_make_sg()
428 	sg_mark_end(sgl->sg + npages - 1);  in af_alg_make_sg()
429 	sgl->npages = npages;  in af_alg_make_sg()
442 void af_alg_free_sg(struct af_alg_sgl *sgl)  in af_alg_free_sg()  argument
446 	for (i = 0; i < sgl->npages; i++)  in af_alg_free_sg()
447 		put_page(sgl->pages[i]);  in af_alg_free_sg()
501 	struct af_alg_tsgl *sgl;  in af_alg_alloc_tsgl()  local
504 	sgl = list_entry(ctx->tsgl_list.prev, struct af_alg_tsgl, list);  in af_alg_alloc_tsgl()
506 		sg = sgl->sg;  in af_alg_alloc_tsgl()
508 	if (!sg || sgl->cur >= MAX_SGL_ENTS) {  in af_alg_alloc_tsgl()
509 		sgl = sock_kmalloc(sk,  in af_alg_alloc_tsgl()
510 				   struct_size(sgl, sg, (MAX_SGL_ENTS + 1)),  in af_alg_alloc_tsgl()
512 		if (!sgl)  in af_alg_alloc_tsgl()
515 		sg_init_table(sgl->sg, MAX_SGL_ENTS + 1);  in af_alg_alloc_tsgl()
516 		sgl->cur = 0;  in af_alg_alloc_tsgl()
519 			sg_chain(sg, MAX_SGL_ENTS + 1, sgl->sg);  in af_alg_alloc_tsgl()
521 		list_add_tail(&sgl->list, &ctx->tsgl_list);  in af_alg_alloc_tsgl()
542 	const struct af_alg_tsgl *sgl;  in af_alg_count_tsgl()  local
549 	list_for_each_entry(sgl, &ctx->tsgl_list, list) {  in af_alg_count_tsgl()
550 		const struct scatterlist *sg = sgl->sg;  in af_alg_count_tsgl()
552 		for (i = 0; i < sgl->cur; i++) {  in af_alg_count_tsgl()
599 	struct af_alg_tsgl *sgl;  in af_alg_pull_tsgl()  local
604 		sgl = list_first_entry(&ctx->tsgl_list, struct af_alg_tsgl,  in af_alg_pull_tsgl()
606 		sg = sgl->sg;  in af_alg_pull_tsgl()
608 		for (i = 0; i < sgl->cur; i++) {  in af_alg_pull_tsgl()
647 		list_del(&sgl->list);  in af_alg_pull_tsgl()
648 		sock_kfree_s(sk, sgl, struct_size(sgl, sg, MAX_SGL_ENTS + 1));  in af_alg_pull_tsgl()
674 		af_alg_free_sg(&rsgl->sgl);  in af_alg_free_areq_sgls()
836 	struct af_alg_tsgl *sgl;  in af_alg_sendmsg()  local
892 			sgl = list_entry(ctx->tsgl_list.prev,  in af_alg_sendmsg()
894 			sg = sgl->sg + sgl->cur - 1;  in af_alg_sendmsg()
927 		sgl = list_entry(ctx->tsgl_list.prev, struct af_alg_tsgl,  in af_alg_sendmsg()
929 		sg = sgl->sg;  in af_alg_sendmsg()
930 		if (sgl->cur)  in af_alg_sendmsg()
931 			sg_unmark_end(sg + sgl->cur - 1);  in af_alg_sendmsg()
934 			unsigned int i = sgl->cur;  in af_alg_sendmsg()
957 			sgl->cur++;  in af_alg_sendmsg()
958 		} while (len && sgl->cur < MAX_SGL_ENTS);  in af_alg_sendmsg()
961 			sg_mark_end(sg + sgl->cur - 1);  in af_alg_sendmsg()
994 	struct af_alg_tsgl *sgl;  in af_alg_sendpage()  local
1018 	sgl = list_entry(ctx->tsgl_list.prev, struct af_alg_tsgl, list);  in af_alg_sendpage()
1020 	if (sgl->cur)  in af_alg_sendpage()
1021 		sg_unmark_end(sgl->sg + sgl->cur - 1);  in af_alg_sendpage()
1023 	sg_mark_end(sgl->sg + sgl->cur);  in af_alg_sendpage()
1026 	sg_set_page(sgl->sg + sgl->cur, page, size, offset);  in af_alg_sendpage()
1027 	sgl->cur++;  in af_alg_sendpage()
1188 		rsgl->sgl.npages = 0;  in af_alg_get_rsgl()
1192 		err = af_alg_make_sg(&rsgl->sgl, &msg->msg_iter, seglen);  in af_alg_get_rsgl()
1200 			af_alg_link_sg(&areq->last_rsgl->sgl, &rsgl->sgl);  in af_alg_get_rsgl()