taglinefilesource code
rdwr_fifo_fops86fs/fifo.cfilp->f_op = &rdwr_fifo_fops;
rdwr_fifo_fops308fs/pipe.cstruct file_operations rdwr_fifo_fops = {
rdwr_fifo_fops366include/linux/fs.hextern struct file_operations rdwr_fifo_fops;