Function basic_cmd_test

test/cmd-discard.c:192–239

}

static int basic_cmd_test(struct io_uring *ring, int op)
{
	int cmd_op = opcodes[op].op;
	int ret, fd;

	if (!opcodes[op].test)
		return T_EXIT_SKIP;

	fd = open(filename, O_DIRECT | O_RDWR | O_EXCL);
	if (fd < 0) {
		if (errno == EINVAL || errno == EBUSY)
			return T_EXIT_SKIP;
		fprintf(stderr, "open failed %i\n", errno);
		return T_EXIT_FAIL;
	}

	ret = cmd_issue_verify(ring, fd, 0, 1, cmd_op);
	if (ret == T_EXIT_SKIP) {
		printf("cmd %i not supported, skip\n", cmd_op);
		opcodes[op].not_supported = 1;
		close(fd);
		return T_EXIT_SKIP;
	} else if (ret) {
		fprintf(stderr, "cmd %i fail 0 1\n", cmd_op);
		return T_EXIT_FAIL;
	}

	ret = cmd_issue_verify(ring, fd, 7, 15, cmd_op);
	if (ret) {
		fprintf(stderr, "cmd %i fail 7 15 %i\n", cmd_op, ret);
		return T_EXIT_FAIL;
	}

	ret = cmd_issue_verify(ring, fd, 1, MAX_TEST_LBAS - 1, cmd_op);
	if (ret) {
		fprintf(stderr, "large cmd %i failed %i\n", cmd_op, ret);
		return T_EXIT_FAIL;
	}

	ret = test_parallel(ring, fd, cmd_op);
	if (ret) {
		fprintf(stderr, "test_parallel() %i failed %i\n", cmd_op, ret);
		return T_EXIT_FAIL;
	}

	close(fd);
	return 0;
}

static int test_fail_edge_cases(struct io_uring *ring, int op)
{