Re: [Qemu-devel] [PATCH v2 4/7] block/qcow2: Implement status CB for amend

[Eric Blake]

On 08/01/2014 05:49 PM, Max Reitz wrote:
> The only really time-consuming operation potentially performed by
> qcow2_amend_options() is zero cluster expansion when downgrading qcow2
> images from compat=1.1 to compat=0.10, so report status of that
> operation and that operation only through the status CB.
> 
> For this, approximate the progress as the number of L1 entries visited
> during the operation.
> 
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block/qcow2-cluster.c | 37 +++++++++++++++++++++++++++++++++----
>  block/qcow2.c         |  7 ++++---
>  block/qcow2.h         |  3 ++-
>  3 files changed, 39 insertions(+), 8 deletions(-)

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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