taglinefilesource code
ext2_lookup53fs/ext2/dir.cext2_lookup,    /* lookup */
ext2_lookup856fs/ext2/namei.cif (ext2_lookup (new_inode, "..", 2, &new_inode))
ext2_lookup362include/linux/ext2_fs.hextern int ext2_lookup (struct inode *,const char *, int, struct inode **);