taglinefilesource code
ext2_ioctl40fs/ext2/dir.cext2_ioctl,    /* ioctl */
ext2_ioctl48fs/ext2/file.cext2_ioctl,    /* ioctl */
ext2_ioctl356include/linux/ext2_fs.hextern int ext2_ioctl (struct inode *, struct file *, unsigned int,