extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
+extern struct dentry *efs_get_parent(struct dentry *);
extern int efs_bmap(struct inode *, int);
#endif /* __EFS_FS_H__ */