[libvirt] [PATCH 0/8 v5] Summary on block IO throttle

[Zhi Yong Wu]

On Wed, Nov 23, 2011 at 12:27 PM, Eric Blake <eblake at redhat.com> wrote:
> On 11/15/2011 02:02 AM, Lei Li wrote:
>> Changes since V3
>>  - Use virTypedParameterPtr instead of specific struct in libvirt pulic API.
>>  - Relevant changes to remote driver, qemu driver, python support and virsh.
>>
>> To help add QEMU I/O throttling support to libvirt, we plan to complete
>> it with add new API virDomain{Set, Get}BlockIoThrottle(), new command 'blkdeviotune'
>> and Python bindings.
>>
>> Notes: Now all the planed features were implemented (#1#2 were implemented by
>> Zhi Yong Wu), the previous comments were all fixed up too. And the qemu part patches
>> have been accepted upstream and are expected to be part of the QEMU 1.1
>> release, git tree from Zhi Yong:
>>
>> http://repo.or.cz/w/qemu/kevin.git/shortlog/refs/heads/block
>
> I just realized that the block_set_io_throttle monitor command is not
> yet in released upstream qemu.  I will continue reviewing this series,
> but it's harder to justify including it into libvirt 0.9.8 unless we
> have a good feel that the design for qemu is stable and unlikely to
I strongly think that the syntax of this qemu monitor command will be
not changed later. :)
Moreover, it has not been changed since the patches for qemu block I/O
throttling is published.
> undergo further modifications.  We have included libvirt changes for
> unreleased qemu features in the past, but only after pointing to qemu
> list archives documenting that there is large consensus for the proposed
> design, and that any further changes prior to a qemu release containing
> the design will be internal only.
>
> --
> Eric Blake   eblake at redhat.com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
>
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-- 
Regards,

Zhi Yong Wu