[PATCH v2] xfstests: capture the failure result of 310

[Rich Johnston]

Thanks for making the suggested changes.

FYI it helps the review process if you include a version log below the 
header something like.

   Capture the failure by the way of counting dmesg errors and describe
   how the test triggers problems.

   Signed-off-by: Zhao Hongjiang <zhaohongjiang at huawei.com>
   [eguan at redhat.com fix common file path and other cleanups]

   ---
   V1:
	Initial version

   V2:
	Added suggestions from xxx at somewhere.org to fix something
	Reworked logic for function blah

Minor description change, other than that, it looks good.

--Rich

Reviewed-by: Rich Johnston <rjohnston at sgi.com>