272 	struct file *filp = iocb->ki_filp;  in anon_pipe_read()  local
273 	struct pipe_inode_info *pipe = filp->private_data;  in anon_pipe_read()
374 		if ((filp->f_flags & O_NONBLOCK) ||  in anon_pipe_read()
433 	struct file *filp = iocb->ki_filp;  in anon_pipe_write()  local
434 	struct pipe_inode_info *pipe = filp->private_data;  in anon_pipe_write()
536 			if (is_packetized(filp))  in anon_pipe_write()
551 		if ((filp->f_flags & O_NONBLOCK) ||  in anon_pipe_write()
608 		struct file *filp = iocb->ki_filp;  in fifo_pipe_write()  local
609 		if (sb_start_write_trylock(file_inode(filp)->i_sb)) {  in fifo_pipe_write()
610 			int err = file_update_time(filp);  in fifo_pipe_write()
613 			sb_end_write(file_inode(filp)->i_sb);  in fifo_pipe_write()
619 static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)  in pipe_ioctl()  argument
621 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_ioctl()
660 pipe_poll(struct file *filp, poll_table *wait)  in pipe_poll()  argument
663 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_poll()
675 	if (filp->f_mode & FMODE_READ)  in pipe_poll()
676 		poll_wait(filp, &pipe->rd_wait, wait);  in pipe_poll()
677 	if (filp->f_mode & FMODE_WRITE)  in pipe_poll()
678 		poll_wait(filp, &pipe->wr_wait, wait);  in pipe_poll()
688 	if (filp->f_mode & FMODE_READ) {  in pipe_poll()
691 		if (!pipe->writers && filp->f_pipe != pipe->w_counter)  in pipe_poll()
695 	if (filp->f_mode & FMODE_WRITE) {  in pipe_poll()
749 pipe_fasync(int fd, struct file *filp, int on)  in pipe_fasync()  argument
751 	struct pipe_inode_info *pipe = filp->private_data;  in pipe_fasync()
755 	if (filp->f_mode & FMODE_READ)  in pipe_fasync()
756 		retval = fasync_helper(fd, filp, on, &pipe->fasync_readers);  in pipe_fasync()
757 	if ((filp->f_mode & FMODE_WRITE) && retval >= 0) {  in pipe_fasync()
758 		retval = fasync_helper(fd, filp, on, &pipe->fasync_writers);  in pipe_fasync()
759 		if (retval < 0 && (filp->f_mode & FMODE_READ))  in pipe_fasync()
761 			fasync_helper(-1, filp, 0, &pipe->fasync_readers);  in pipe_fasync()
1121 static int fifo_open(struct inode *inode, struct file *filp)  in fifo_open()  argument
1127 	filp->f_pipe = 0;  in fifo_open()
1151 	filp->private_data = pipe;  in fifo_open()
1157 	stream_open(inode, filp);  in fifo_open()
1159 	switch (filp->f_mode & (FMODE_READ | FMODE_WRITE)) {  in fifo_open()
1171 			if ((filp->f_flags & O_NONBLOCK)) {  in fifo_open()
1174 				filp->f_pipe = pipe->w_counter;  in fifo_open()
1189 		if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers)  in fifo_open()