73 	char		buf[100];  in testfunc()  local
76 	struct { unsigned char buf[6]; } hello = { "hello" };  in testfunc()  member
87 		memset(buf, 'a' + i, i + 1);  in testfunc()
88 		kfifo_in(&test, buf, i + 1);  in testfunc()
98 	ret = kfifo_out_peek(&test, buf, sizeof(buf));  in testfunc()
100 		printk(KERN_INFO "%.*s\n", ret, buf);  in testfunc()
105 		ret = kfifo_out(&test, buf, sizeof(buf));  in testfunc()
106 		buf[ret] = '\0';  in testfunc()
107 		printk(KERN_INFO "item = %.*s\n", ret, buf);  in testfunc()
108 		if (strcmp(buf, expected_result[i++])) {  in testfunc()
122 static ssize_t fifo_write(struct file *file, const char __user *buf,  in fifo_write()  argument
131 	ret = kfifo_from_user(&test, buf, count, &copied);  in fifo_write()
138 static ssize_t fifo_read(struct file *file, char __user *buf,  in fifo_read()  argument
147 	ret = kfifo_to_user(&test, buf, count, &copied);  in fifo_read()