libvirt-test/pci_passthrough: Add a case in pcipassthrough to test SRIOV.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Add case for testing blockdev-flushbufs

Test covers raw/qcow2 format disk, physical/lvm partition,
ext2/3/4 filesystem
Merge pull request #53 from yangdongsheng/pci_passthrough

libvirt-test/sr-iov: Add a case in pcipassthrough to test SRIOV...
Add the missing 'allocation' param

Signed-off-by: Yanbing Du <ydu@redhat.com>
Merge pull request #85 from will-Do/param_fix

Add the missing 'allocation' param
Correct a copy&paste param name

Signed-off-by: Yanbing Du <ydu@redhat.com>
Merge pull request #69 from vanbogithub/bfan-dev

Add case for testing blockdev-flushbufs
Merge pull request #87 from will-Do/param_fix

Correct a copy&paste param name