Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

* The code for option '-static' was wrong, so image creation
  always created static images.

* Static images created with qemu-img did not set header entry
  blocks_allocated.

* The size of the block map must be rounded to the next multiple
  of SECTOR_SIZE, otherwise the block map is only read partially
  for block map sizes which are not a multiple of SECTOR_SIZE.
Signed-off-by: NStefan Weil <weil@mail.berlios.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

This is a new block driver written from scratch
to support the VDI format in QEMU.

VDI is the native format used by Innotek / SUN VirtualBox.

Latest changes:

* stripped down version
  (code for synchronous operations and experimental code removed)

* don't open VDI snapshot images (with uuid_link or uuid_parent)

* modified vdi_aio_cancel
Signed-off-by: NStefan Weil <weil@mail.berlios.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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