[Top][All Lists]

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

Re: [Qemu-block] [PATCH] backup: allow target without .bdrv_get_info

From: Eric Blake
Subject: Re: [Qemu-block] [PATCH] backup: allow target without .bdrv_get_info
Date: Tue, 14 Feb 2017 13:35:05 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 02/14/2017 09:05 AM, Fam Zheng wrote:
>> Proposed NBD protocol extension - NBD_OPT_INFO should finally solve this 
>> problem.
>> But until it is not realized, we need allow backup to nbd target due to 
>> backward
>> compatibility.
>> Furthermore, is it entirely ok to disallow backup if bds lacks 
>> .bdrv_get_info?
>> Which behavior should be default: to fail backup or to use default cluster 
>> size?

> Target not having .bdrv_get_info means 'some sane assumptions are okay' to 
> me, so
> Reviewed-by: Fam Zheng <address@hidden>
> (But we are going to have a .bdrv_get_info after NBD_OPT_INFO, right?)

Yes. I'm reposting that series today.

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]