> If you make these an OPT_CMDMODE you get this behavior for free. See > e.g. my > https://lore.kernel.org/git/patch-v2-06.10-d945fc94774-20211112T221506Z-avarab@xxxxxxxxx/ Thank you very much for providing this input. So I try to read this patch your mentioned and try to repeat the idea in my understanding. First, OPT_CMDMODE() can be used for: 1. Easy for checking the combined command options, such as "mutually exclusive" conditions. 2. Die and output the error message consistently when the incompatible options are found. 3. Brings better extensibilites, no need to change a lot of if/elses. Then, you suggest to consider about to use OPT_CMDMODE instead of the current implementations. Did I understand your suggestion right and comprehensive?
