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Re: [Qemu-block] [PATCH v6 2/4] block: support passing 'backing': '' to
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-block] [PATCH v6 2/4] block: support passing 'backing': '' to 'blockdev-add' |
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Date: |
Tue, 6 Oct 2015 17:31:17 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 22.09.2015 um 15:28 hat Alberto Garcia geschrieben:
> Passing an empty string allows opening an image but not its backing
> file. This was already described in the API documentation, only the
> implementation was missing.
>
> This is useful for creating snapshots using images opened with
> blockdev-add, since they are not supposed to have a backing image
> before the operation.
>
> Signed-off-by: Alberto Garcia <address@hidden>
> Reviewed-by: Max Reitz <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
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