[dm-devel] [PATCH blktests v2] tests/dm: add a regression test

[kernel test robot]

Hi Yu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on device-mapper-dm/for-next]
[also build test WARNING on linus/master v6.3 next-20230428]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yu-Kuai/tests-dm-add-a-regression-test/20230427-104508
base:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
patch link:    https://lore.kernel.org/r/20230427024126.1417646-1-yukuai1%40huaweicloud.com
patch subject: [PATCH blktests v2] tests/dm: add a regression test
reproduce:
        scripts/spdxcheck.py

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304292230.Ai7aIFbo-lkp@intel.com/

spdxcheck warnings: (new ones prefixed by >>)
>> tests/dm/001: 2:27 Invalid License ID: GPL-3.0+
>> tests/dm/rc: 2:27 Invalid License ID: GPL-3.0+

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