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Re: [Qemu-devel] [PATCH] block: Tweak error message related to qemu-img


From: Max Reitz
Subject: Re: [Qemu-devel] [PATCH] block: Tweak error message related to qemu-img convert
Date: Mon, 8 May 2017 20:41:23 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.0.1

On 08.05.2017 19:13, Eric Blake wrote:
> When converting a 1.1 image down to 0.10, qemu-iotests 060 forces
> a contrived failure where allocating a cluster used to replace a
> zero cluster reads unaligned data.  Since it is a zero cluster
> rather than a data cluster being converted, changing the error
> message to match our earlier change in 'qcow2: Make distinction
> bewteen zero cluster types obvious' is worthwhile.
> 
> Suggested-by: Max Reitz <address@hidden>
> Signed-off-by: Eric Blake <address@hidden>
> ---
> 
> There's one more instance of "Data cluster offset" in qcow2-cluster.c,
> but that one in handle_copied() is contained inside a
> cluster_type == QCOW2_CLUSTER_NORMAL conditional.
> 
>  block/qcow2-cluster.c      | 3 ++-
>  tests/qemu-iotests/060.out | 2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)

Looks good, except for one thing: This is for qemu-img amend, not
qemu-img convert.

I can handle that, if you'd like, though. :-)

Max

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