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From: Max Reitz <mreitz@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v5 17/27] block: Don't lock drive-backup
 target image in none mode
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To: Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Jeff Cody <jcody@redhat.com>, Markus Armbruster <armbru@redhat.com>, Eric Blake <eblake@redhat.com>, John Snow <jsnow@redhat.com>, qemu-block@nongnu.org, berrange@redhat.com, pbonzini@redhat.com, den@openvz.org, stefanha@redhat.com

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From: Max Reitz <mreitz@redhat.com>
To: Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Jeff Cody <jcody@redhat.com>,
 Markus Armbruster <armbru@redhat.com>, Eric Blake <eblake@redhat.com>,
 John Snow <jsnow@redhat.com>, qemu-block@nongnu.org, berrange@redhat.com,
 pbonzini@redhat.com, den@openvz.org, stefanha@redhat.com
Message-ID: <b6585dea-4723-350c-e3bd-bbf8a345025a@redhat.com>
Subject: Re: [PATCH v5 17/27] block: Don't lock drive-backup target image in
 none mode
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 <1463470536-8981-18-git-send-email-famz@redhat.com>
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On 17.05.2016 09:35, Fam Zheng wrote:
> As a very special case, in sync=3Dnone mode, the source, as the backing=

> image of the target, will be RO opened again, which is not accepted by
> image locking because the first open could be exclusive.
>=20
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  blockdev.c | 5 +++++
>  1 file changed, 5 insertions(+)

Reviewed-by: Max Reitz <mreitz@redhat.com>


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