tag	line	file	source code
connecting_fifo_fops	26	fs/fifo.c	filp->f_op = &connecting_fifo_fops;
connecting_fifo_fops	300	fs/pipe.c	struct file_operations connecting_fifo_fops = {
connecting_fifo_fops	523	include/linux/fs.h	extern struct file_operations connecting_fifo_fops;