627     int64_t n_bytes;  in vpc_co_preadv()  local
640         n_bytes = MIN(bytes, s->block_size - (offset % s->block_size));  in vpc_co_preadv()
643             qemu_iovec_memset(qiov, bytes_done, 0, n_bytes);  in vpc_co_preadv()
646             qemu_iovec_concat(&local_qiov, qiov, bytes_done, n_bytes);  in vpc_co_preadv()
649             ret = bdrv_co_preadv(bs->file, image_offset, n_bytes,  in vpc_co_preadv()
657         bytes -= n_bytes;  in vpc_co_preadv()
658         offset += n_bytes;  in vpc_co_preadv()
659         bytes_done += n_bytes;  in vpc_co_preadv()
676     int64_t n_bytes;  in vpc_co_pwritev()  local
694         n_bytes = MIN(bytes, s->block_size - (offset % s->block_size));  in vpc_co_pwritev()
705         qemu_iovec_concat(&local_qiov, qiov, bytes_done, n_bytes);  in vpc_co_pwritev()
708         ret = bdrv_co_pwritev(bs->file, image_offset, n_bytes,  in vpc_co_pwritev()
715         bytes -= n_bytes;  in vpc_co_pwritev()
716         offset += n_bytes;  in vpc_co_pwritev()
717         bytes_done += n_bytes;  in vpc_co_pwritev()