Re: [Qemu-devel] [PATCH v4 09/26] qcow2: Helper for refcount array reallocation

[Stefan Hajnoczi]

On Wed, Dec 03, 2014 at 02:37:29PM +0100, Max Reitz wrote:
> Add a helper function for reallocating a refcount array, independent of
> the refcount order. The newly allocated space is zeroed and the function
> handles failed reallocations gracefully.
> 
> The helper function will always align the buffer size to a cluster
> boundary; if storing the refcounts in such an array in big endian byte
> order, this makes it possible to write parts of the array directly as
> refcount blocks into the image file.
> 
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block/qcow2-refcount.c | 137 
> +++++++++++++++++++++++++++++++------------------
>  1 file changed, 88 insertions(+), 49 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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