261 static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos)  in lo_write_bvec()  argument
266 	iov_iter_bvec(&i, ITER_BVEC, bvec, 1, bvec->bv_len);  in lo_write_bvec()
272 	if (likely(bw ==  bvec->bv_len))  in lo_write_bvec()
277 		(unsigned long long)*ppos, bvec->bv_len);  in lo_write_bvec()
286 	struct bio_vec bvec;  in lo_write_simple()  local
290 	rq_for_each_segment(bvec, rq, iter) {  in lo_write_simple()
291 		ret = lo_write_bvec(lo->lo_backing_file, &bvec, &pos);  in lo_write_simple()
308 	struct bio_vec bvec, b;  in lo_write_transfer()  local
317 	rq_for_each_segment(bvec, rq, iter) {  in lo_write_transfer()
318 		ret = lo_do_transfer(lo, WRITE, page, 0, bvec.bv_page,  in lo_write_transfer()
319 			bvec.bv_offset, bvec.bv_len, pos >> 9);  in lo_write_transfer()
325 		b.bv_len = bvec.bv_len;  in lo_write_transfer()
338 	struct bio_vec bvec;  in lo_read_simple()  local
343 	rq_for_each_segment(bvec, rq, iter) {  in lo_read_simple()
344 		iov_iter_bvec(&i, ITER_BVEC, &bvec, 1, bvec.bv_len);  in lo_read_simple()
349 		flush_dcache_page(bvec.bv_page);  in lo_read_simple()
351 		if (len != bvec.bv_len) {  in lo_read_simple()
367 	struct bio_vec bvec, b;  in lo_read_transfer()  local
378 	rq_for_each_segment(bvec, rq, iter) {  in lo_read_transfer()
383 		b.bv_len = bvec.bv_len;  in lo_read_transfer()
392 		ret = lo_do_transfer(lo, READ, page, 0, bvec.bv_page,  in lo_read_transfer()
393 			bvec.bv_offset, len, offset >> 9);  in lo_read_transfer()
397 		flush_dcache_page(bvec.bv_page);  in lo_read_transfer()
399 		if (len != bvec.bv_len) {  in lo_read_transfer()
480 	struct bio_vec *bvec;  in lo_rw_aio()  local
488 	bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);  in lo_rw_aio()
489 	iov_iter_bvec(&iter, ITER_BVEC | rw, bvec,  in lo_rw_aio()