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Re: [Qemu-devel] [PATCH v3 3/3] block: test 'blockdev-snapshot' using a


From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v3 3/3] block: test 'blockdev-snapshot' using a file BDS as the overlay
Date: Tue, 3 Nov 2015 08:14:17 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 11/03/2015 03:32 AM, Alberto Garcia wrote:
> This test checks that it is not possible to create a snapshot if the
> requested overlay node is a BDS which does not support backing images.
> 
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
>  tests/qemu-iotests/085     | 12 +++++++++++-
>  tests/qemu-iotests/085.out |  4 ++++
>  2 files changed, 15 insertions(+), 1 deletion(-)
> 

> +++ b/tests/qemu-iotests/085.out
> @@ -62,6 +62,10 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 
> backing_file=TEST_DIR/
>  {"return": {}}
>  {"return": {}}
>  
> +=== Invalid command - cannot create a snapshot using a file BDS ===
> +
> +{"error": {"class": "GenericError", "desc": "The snapshot does not support 
> backing images"}}

This message could use improvement; more on that in 1/3.

Reviewed-by: Eric Blake <address@hidden>

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

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