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Re: [Qemu-block] [PATCH 4/7] qed: Support .bdrv_co_create

From: Eric Blake
Subject: Re: [Qemu-block] [PATCH 4/7] qed: Support .bdrv_co_create
Date: Fri, 9 Mar 2018 16:01:19 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 03/09/2018 03:46 PM, Kevin Wolf wrote:
This adds the .bdrv_co_create driver callback to qed, which
enables image creation over QMP.

Signed-off-by: Kevin Wolf <address@hidden>
  qapi/block-core.json |  25 ++++++-
  block/qed.c          | 204 ++++++++++++++++++++++++++++++++++-----------------
  2 files changed, 162 insertions(+), 67 deletions(-)

Similar question as to qcow (who still creates qed images these days? and if no one seriously does it outside of our testsuite, would it be better to not allow QMP creation of qed images?). On the other hand, qed is newer than qcow so it doesn't have quite the legacy of poor usage, so it may also mean that qed gets a longer deprecation cycle than qcow.

Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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