Re: [Qemu-block] [PATCH v4 00/38] blockdev: BlockBackend and media

[Eric Blake]

On 07/20/2015 11:45 AM, Max Reitz wrote:
> First of all: Thank you, Eric and Berto, for reviewing v3! And thank
> you, Fam, for at least having a peek at it and being confident enough to
> base a series of your own on it. :-)
> 
> This series reworks a lot regarding BlockBackend and media. Basically,
> it allows empty BlockBackends, that is BBs without a BDS tree.
> 
> Before this series, empty drives are represented by a BlockBackend with
> an empty BDS attached to it (a BDS with a NULL driver). However, now we
> have BlockBackends, thus an empty drive should be represented by a
> BlockBackend without any BDS tree attached to it. This is what this
> series does.

We've obviously missed 2.4; but now that 2.5 is open, are there plans to
get this series in sooner rather than later?  Wen's work on dynamically
adding/deleting children from a quorum would benefit from the ability to
create a BDS without an associated BB, which in turn would help the COLO
work.

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

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