Re: [Qemu-devel] [PATCH v2 10/24] block: Introduce bdrv_co_do_preadv()

[Wenchao Xia]

>       /* throttling disk I/O */
>       if (bs->io_limits_enabled) {
> -        bdrv_io_limits_intercept(bs, nb_sectors, false);
> +        bdrv_io_limits_intercept(bs, bytes >> BDRV_SECTOR_BITS, false);
> +    }

 Is it possible (bytes >> BDRV_SECTOR_BITS) == 0?

>