ext4_ioctl        664 fs/ext4/dir.c  	.unlocked_ioctl = ext4_ioctl,
ext4_ioctl       2658 fs/ext4/ext4.h extern long ext4_ioctl(struct file *, unsigned int, unsigned long);
ext4_ioctl        518 fs/ext4/file.c 	.unlocked_ioctl = ext4_ioctl,
ext4_ioctl       1383 fs/ext4/ioctl.c 	return ext4_ioctl(file, cmd, (unsigned long) compat_ptr(arg));