tag	line	file	source code
ext2_file_operations	41	fs/ext2/file.c	static struct file_operations ext2_file_operations = {
ext2_file_operations	55	fs/ext2/file.c	&ext2_file_operations,/* default file operations */
ext2_file_operations	270	include/linux/ext2_fs.h	extern struct file_operations ext2_file_operations;