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Re: [Qemu-block] [Qemu-devel] [PATCH v4 00/37] x-blockdev-create for pro

From: Daniel P . Berrangé
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v4 00/37] x-blockdev-create for protocols and qcow2
Date: Thu, 8 Mar 2018 10:21:53 +0000
User-agent: Mutt/1.9.2 (2017-12-15)

On Wed, Mar 07, 2018 at 07:59:09PM +0100, Kevin Wolf wrote:
> This series implements a minimal QMP command that allows to create an
> image file on the protocol level or an image format on a given block
> node.
> Eventually, the interface is going to change to some kind of an async
> command (possibly a (non-)block job), but that will require more work on
> the job infrastructure first, so let's first QAPIfy image creation in
> the block drivers. In this series, I'm going for a synchronous command
> that is prefixed with x- for now.
> This series converts qcow2 and all protocol drivers that allow an actual
> image creation. This means that drivers which only check if the already
> existing storage is good enough are not converted (e.g. host_device,
> iscsi). The old behaviour was useful because 'qemu-img create' wants to
> create both protocol and format layer, but with the separation in QMP,
> you can just leave out the protocol layer creation when the device
> already exists.

Are you going to convert the other format drivers in later versions of
this series, or leave it upto individual maintaniers to convert the
rest ? (personally thinking of the luks driver of course)

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