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 <mre...@redhat.com> > --- > block/qcow2-refcount.c | 137 > +++++++++++++++++++++++++++++++------------------ > 1 file changed, 88 insertions(+), 49 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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