tree 19bbac5ac7b742e207d05ea322966b5016462ae5
parent 6c6874beca5b995a54467002819efe06711871c2
author zhufl <zhu.fanglei@zte.com.cn> 1519979571 +0800
committer zhufl <zhu.fanglei@zte.com.cn> 1519979571 +0800

[Trivial]Add coverage for extending non-blank volume

Now there is no coverage for extending non-blank volume,
and because this is a basic function that is often required
by cloud users, this is to make a trivial fix to cover it.

Change-Id: I10a409a423ec41a2092564a103b95e40c358c95e