autotest/tp-libvirt — pull request #273 by yumingfei (2014-08-04 08:46:14+00:00)
Title: libvirt.tests: Add test module for vm disk's discard.

Add testcases to test discard option for disk devices.
With this discard set to unmap, we can use fstrim for vm disks.

Signed-off-by: Yu Mingfei