42 static struct kfifo test;  variable
44 static DECLARE_KFIFO(test, unsigned char, FIFO_SIZE);
63 	kfifo_in(&test, "hello", 5);  in testfunc()
67 		kfifo_put(&test, i);  in testfunc()
70 	printk(KERN_INFO "fifo len: %u\n", kfifo_len(&test));  in testfunc()
73 	i = kfifo_out(&test, buf, 5);  in testfunc()
77 	ret = kfifo_out(&test, buf, 2);  in testfunc()
80 	ret = kfifo_in(&test, buf, ret);  in testfunc()
85 	kfifo_skip(&test);  in testfunc()
88 	for (i = 20; kfifo_put(&test, i); i++)  in testfunc()
91 	printk(KERN_INFO "queue len: %u\n", kfifo_len(&test));  in testfunc()
94 	if (kfifo_peek(&test, &i))  in testfunc()
99 	while (kfifo_get(&test, &i)) {  in testfunc()
124 	ret = kfifo_from_user(&test, buf, count, &copied);  in fifo_write()
140 	ret = kfifo_to_user(&test, buf, count, &copied);  in fifo_read()
159 	ret = kfifo_alloc(&test, FIFO_SIZE, GFP_KERNEL);  in example_init()
165 	INIT_KFIFO(test);  in example_init()
169 		kfifo_free(&test);  in example_init()
176 		kfifo_free(&test);  in example_init()
187 	kfifo_free(&test);  in example_exit()