iov_iter_bvec(&to, ITER_DEST, bv, npages, len);
init_sync_kiocb(&kiocb, in);
kiocb.ki_pos = *ppos;
- ret = call_read_iter(in, &kiocb, &to);
+ ret = in->f_op->read_iter(&kiocb, &to);
if (ret > 0) {
keep = DIV_ROUND_UP(ret, PAGE_SIZE);
iov_iter_bvec(&from, ITER_SOURCE, array, n, sd.total_len - left);
init_sync_kiocb(&kiocb, out);
kiocb.ki_pos = sd.pos;
- ret = call_write_iter(out, &kiocb, &from);
+ ret = out->f_op->write_iter(&kiocb, &from);
sd.pos = kiocb.ki_pos;
if (ret <= 0)
break;