Re: [Qemu-devel] [PATCH v3 05/22] qcow2: Refcount overflow and qcow2_alloc_bytes()

[Stefan Hajnoczi]

On Thu, Nov 20, 2014 at 06:06:21PM +0100, Max Reitz wrote:
> qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
> the refcount is increased accordingly. However, if this would lead to an
> overflow the function should instead just not reuse this cluster and
> allocate a new one.
> 
> Signed-off-by: Max Reitz <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>
> ---
>  block/qcow2-refcount.c | 32 ++++++++++++++++++++++++++++++--
>  1 file changed, 30 insertions(+), 2 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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