31 		struct bio_vec *bvecs, unsigned int nr_vecs)  in bio_integrity_init()  argument
34 	bip->bip_max_vcnt = nr_vecs;  in bio_integrity_init()
35 	if (nr_vecs)  in bio_integrity_init()
54 						  unsigned int nr_vecs)  in bio_integrity_alloc()  argument
61 	bia = kmalloc(struct_size(bia, bvecs, nr_vecs), gfp_mask);  in bio_integrity_alloc()
64 	bio_integrity_init(bio, &bia->bip, bia->bvecs, nr_vecs);  in bio_integrity_alloc()
69 static void bio_integrity_unpin_bvec(struct bio_vec *bv, int nr_vecs)  in bio_integrity_unpin_bvec()  argument
73 	for (i = 0; i < nr_vecs; i++)  in bio_integrity_unpin_bvec()
160 				   int nr_vecs, unsigned int len)  in bio_integrity_copy_user()  argument
173 		iov_iter_bvec(&iter, ITER_SOURCE, bvec, nr_vecs, len);  in bio_integrity_copy_user()
187 		bip = bio_integrity_alloc(bio, GFP_KERNEL, nr_vecs + 1);  in bio_integrity_copy_user()
196 		bio_integrity_unpin_bvec(bvec, nr_vecs);  in bio_integrity_copy_user()
198 		memcpy(&bip->bip_vec[1], bvec, nr_vecs * sizeof(*bvec));  in bio_integrity_copy_user()
208 	bip->bip_vcnt = nr_vecs;  in bio_integrity_copy_user()
218 				   int nr_vecs, unsigned int len)  in bio_integrity_init_user()  argument
222 	bip = bio_integrity_alloc(bio, GFP_KERNEL, nr_vecs);  in bio_integrity_init_user()
226 	memcpy(bip->bip_vec, bvec, nr_vecs * sizeof(*bvec));  in bio_integrity_init_user()
228 	bip->bip_vcnt = nr_vecs;  in bio_integrity_init_user()
233 				    int nr_vecs, ssize_t bytes, ssize_t offset)  in bvec_from_pages()  argument
238 	for (i = 0; i < nr_vecs; i = j) {  in bvec_from_pages()
243 		for (j = i + 1; j < nr_vecs; j++) {  in bvec_from_pages()
270 	int ret, nr_vecs;  in bio_integrity_map_user()  local
278 	nr_vecs = iov_iter_npages(iter, BIO_MAX_VECS + 1);  in bio_integrity_map_user()
279 	if (nr_vecs > BIO_MAX_VECS)  in bio_integrity_map_user()
281 	if (nr_vecs > UIO_FASTIOV) {  in bio_integrity_map_user()
282 		bvec = kcalloc(nr_vecs, sizeof(*bvec), GFP_KERNEL);  in bio_integrity_map_user()
289 	ret = iov_iter_extract_pages(iter, &pages, bytes, nr_vecs, 0, &offset);  in bio_integrity_map_user()
293 	nr_bvecs = bvec_from_pages(bvec, pages, nr_vecs, bytes, offset);  in bio_integrity_map_user()