249 	struct file *filp = iocb->ki_filp;  in pipe_read()  local
250 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_read()
319 			if (filp->f_flags & O_NONBLOCK) {  in pipe_read()
343 		file_accessed(filp);  in pipe_read()
355 	struct file *filp = iocb->ki_filp;  in pipe_write()  local
356 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_write()
443 			if (is_packetized(filp)) {  in pipe_write()
455 		if (filp->f_flags & O_NONBLOCK) {  in pipe_write()
480 	if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {  in pipe_write()
481 		int err = file_update_time(filp);  in pipe_write()
484 		sb_end_write(file_inode(filp)->i_sb);  in pipe_write()
489 static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in pipe_ioctl()  argument
491 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_ioctl()
514 pipe_poll(struct file *filp, poll_table *wait)  in pipe_poll()  argument
517 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_poll()
520 	poll_wait(filp, &pipe->wait, wait);  in pipe_poll()
525 	if (filp->f_mode & FMODE_READ) {  in pipe_poll()
527 		if (!pipe->writers && filp->f_version != pipe->w_counter)  in pipe_poll()
531 	if (filp->f_mode & FMODE_WRITE) {  in pipe_poll()
582 pipe_fasync(int fd, struct file *filp, int on)  in pipe_fasync()  argument
584 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_fasync()
588 	if (filp->f_mode & FMODE_READ)  in pipe_fasync()
589 		retval = fasync_helper(fd, filp, on, &pipe->fasync_readers);  in pipe_fasync()
590 	if ((filp->f_mode & FMODE_WRITE) && retval >= 0) {  in pipe_fasync()
591 		retval = fasync_helper(fd, filp, on, &pipe->fasync_writers);  in pipe_fasync()
592 		if (retval < 0 && (filp->f_mode & FMODE_READ))  in pipe_fasync()
594 			fasync_helper(-1, filp, 0, &pipe->fasync_readers);  in pipe_fasync()
872 static int fifo_open(struct inode *inode, struct file *filp)  in fifo_open()  argument
878 	filp->f_version = 0;  in fifo_open()
902 	filp->private_data = pipe;  in fifo_open()
908 	filp->f_mode &= (FMODE_READ | FMODE_WRITE);  in fifo_open()
910 	switch (filp->f_mode) {  in fifo_open()
922 			if ((filp->f_flags & O_NONBLOCK)) {  in fifo_open()
925 				filp->f_version = pipe->w_counter;  in fifo_open()
940 		if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers)  in fifo_open()