log_init
ret = log_init(conf, journal_dev, raid5_has_ppl(conf));
ret = log_init(conf, rdev, false);
err = log_init(conf, NULL, true);
int log_init(int level, const char *ident, int options);
if (log_init(options.loglevel, basename(argv[0]), options.logopt)) {
if (log_init(options.loglvl, argv[0], options.logopt))