qemu-iotests: test bdrv_truncate

This patch adds an image resize grow test to ensure that existing data
is not lost during grow and new space is zeroed.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
3 files changed
tree: fdc8c6366c00ea980db6a974e3ca0d57ed95b500
  1. tests/