233 	struct file *filp = iocb->ki_filp;  in pipe_read()  local
234 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_read()
344 		if (filp->f_flags & O_NONBLOCK) {  in pipe_read()
396 		file_accessed(filp);  in pipe_read()
419 	struct file *filp = iocb->ki_filp;  in pipe_write()  local
420 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_write()
528 			if (is_packetized(filp))  in pipe_write()
552 		if (filp->f_flags & O_NONBLOCK) {  in pipe_write()
599 	if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {  in pipe_write()
600 		int err = file_update_time(filp);  in pipe_write()
603 		sb_end_write(file_inode(filp)->i_sb);  in pipe_write()
608 static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in pipe_ioctl()  argument
610 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_ioctl()
650 pipe_poll(struct file *filp, poll_table *wait)  in pipe_poll()  argument
653 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_poll()
662 	if (filp->f_mode & FMODE_READ)  in pipe_poll()
663 		poll_wait(filp, &pipe->rd_wait, wait);  in pipe_poll()
664 	if (filp->f_mode & FMODE_WRITE)  in pipe_poll()
665 		poll_wait(filp, &pipe->wr_wait, wait);  in pipe_poll()
676 	if (filp->f_mode & FMODE_READ) {  in pipe_poll()
679 		if (!pipe->writers && filp->f_version != pipe->w_counter)  in pipe_poll()
683 	if (filp->f_mode & FMODE_WRITE) {  in pipe_poll()
737 pipe_fasync(int fd, struct file *filp, int on)  in pipe_fasync()  argument
739 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_fasync()
743 	if (filp->f_mode & FMODE_READ)  in pipe_fasync()
744 		retval = fasync_helper(fd, filp, on, &pipe->fasync_readers);  in pipe_fasync()
745 	if ((filp->f_mode & FMODE_WRITE) && retval >= 0) {  in pipe_fasync()
746 		retval = fasync_helper(fd, filp, on, &pipe->fasync_writers);  in pipe_fasync()
747 		if (retval < 0 && (filp->f_mode & FMODE_READ))  in pipe_fasync()
749 			fasync_helper(-1, filp, 0, &pipe->fasync_readers);  in pipe_fasync()
1091 static int fifo_open(struct inode *inode, struct file *filp)  in fifo_open()  argument
1097 	filp->f_version = 0;  in fifo_open()
1121 	filp->private_data = pipe;  in fifo_open()
1127 	stream_open(inode, filp);  in fifo_open()
1129 	switch (filp->f_mode & (FMODE_READ | FMODE_WRITE)) {  in fifo_open()
1141 			if ((filp->f_flags & O_NONBLOCK)) {  in fifo_open()
1144 				filp->f_version = pipe->w_counter;  in fifo_open()
1159 		if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers)  in fifo_open()