Bug 1105670 triggered this patch series. I have currently problems running qemu-iotest. Maybe someone else can test my code with it.
Regards Stefan Weil [PATCH 1/7] block/vpc: Fix most coding style warnings and errors [PATCH 2/7] block/vpc: Add link to available VHD documentation [PATCH 3/7] block/vpc: Replace HEADER_SIZE by FOOTER_SIZE [PATCH 4/7] block/vpc: Improve vpc_open (optimisation and error [PATCH 5/7] block/vpc: Fix size calculation [PATCH 6/7] block/vpc: Remove workaround for geometry calculation [PATCH 7/7] block/vpc: Use macros for magic constants