1. 根目录:
2. fs
3. ext3
4. namei.h

/*  linux/fs/ext3/namei.h
 *
 * Copyright (C) 2005 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
*/

extern struct dentry *ext3_get_parent(struct dentry *child);