autotest/tp-qemu — pull request #227 by xutian (2014-12-08 05:43:04+00:00)
Title: fix bug in  block_copy releated cases

1. update parser_test_args in drive_mirror class to make test use default naming conventions
2. update cleanup in drive_mirror to make it use right way to cleanup a iscsi target image
3. add step for flush page cache before compare image in drive_mirrir_complete test
4. fix coding style issue.