Am 25.09.2013 um 12:07 hat Max Reitz geschrieben: > The current version of the zero cluster expansion uses the guest disk > size for determining the size of the expanded_clusters bitmap, however, > it is addressed using host offsets. This leads to an assertion failing if > the host image size exceeds the guest disk size. This is fixed by using > the host image size instead for allocating the bitmap. > > This however uncovers another problem: If the host image is growable, it > may grow during the zero cluster expansion due to cluster allocations. If > this happens, the bitmap has to be resized accordingly. > > Max Reitz (2): > qcow2: Correct bitmap size in zero expansion > qemu-iotests: Preallocated zero clusters in 061 > > block/qcow2-cluster.c | 38 +++++++++++++++++++++++++++----------- > tests/qemu-iotests/061 | 9 +++++++++ > tests/qemu-iotests/061.out | 11 +++++++++++ > 3 files changed, 47 insertions(+), 11 deletions(-)
Thanks, applied to the block branch. Kevin