fscrypt_ioctl_set_policy
ret = fscrypt_ioctl_set_policy(file, (const void __user *)arg);
EXPORT_SYMBOL(fscrypt_ioctl_set_policy);
return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
ret = fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
return fscrypt_ioctl_set_policy(file, (const void __user *)arg);
int fscrypt_ioctl_set_policy(struct file *filp, const void __user *arg);