open01: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open02: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open03: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open04: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open05: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open06: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open07: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open08: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open09: rework test case

Rework this test case.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
open10: code cleanups

Cleanup the coding style.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>