ext4_ioctl 45 fs/ext4/dir.c .unlocked_ioctl = ext4_ioctl, ext4_ioctl 1102 fs/ext4/ext4.h extern long ext4_ioctl(struct file *, unsigned int, unsigned long); ext4_ioctl 152 fs/ext4/file.c .unlocked_ioctl = ext4_ioctl, ext4_ioctl 313 fs/ext4/ioctl.c return ext4_ioctl(file, cmd, (unsigned long) compat_ptr(arg));