[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 13/18] nbd: Support shorter handshake

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 13/18] nbd: Support shorter handshake
Date: Sat, 9 Apr 2016 16:27:12 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1

On 04/09/2016 04:42 AM, Alex Bligh wrote:
> On 8 Apr 2016, at 23:05, Eric Blake <address@hidden> wrote:
>> The NBD Protocol allows the server and client to mutually agree
>> on a shorter handshake (omit the 124 bytes of reserved 0), via
>> the server advertising NBD_FLAG_NO_ZEROES and the client
>> acknowledging with NBD_FLAG_C_NO_ZEROES (only possible in
>> newstyle, whether or not it is fixed newstyle).  It doesn't
>> shave much off the wire, but we might as well implement it.
>> Signed-off-by: Eric Blake <address@hidden>
> Reviewed-by: Alex Bligh <address@hidden>
> thanks - that was annoying me.

It turns out that doing this also made the NBD_OPT_GO patches easier :)

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

Attachment: signature.asc
Description: OpenPGP digital signature

reply via email to

[Prev in Thread] Current Thread [Next in Thread]