91 static ssize_t dtlk_read(struct file *, char __user *,
93 static ssize_t dtlk_write(struct file *, const char __user *,
95 static __poll_t dtlk_poll(struct file *, poll_table *);
96 static int dtlk_open(struct inode *, struct file *);
97 static int dtlk_release(struct inode *, struct file *);
98 static long dtlk_ioctl(struct file *file,
126 static ssize_t dtlk_read(struct file *file, char __user *buf,  in dtlk_read()  argument
129 	unsigned int minor = iminor(file_inode(file));  in dtlk_read()
149 		if (file->f_flags & O_NONBLOCK)  in dtlk_read()
159 static ssize_t dtlk_write(struct file *file, const char __user *buf,  in dtlk_write()  argument
181 	if (iminor(file_inode(file)) != DTLK_MINOR)  in dtlk_write()
214 		if (file->f_flags & O_NONBLOCK)  in dtlk_write()
232 static __poll_t dtlk_poll(struct file *file, poll_table * wait)  in dtlk_poll()  argument
244 	poll_wait(file, &dtlk_process_list, wait);  in dtlk_poll()
269 static long dtlk_ioctl(struct file *file,  in dtlk_ioctl()  argument
298 static int dtlk_open(struct inode *inode, struct file *file)  in dtlk_open()  argument
306 		return stream_open(inode, file);  in dtlk_open()
313 static int dtlk_release(struct inode *inode, struct file *file)  in dtlk_release()  argument