XFS_IOC_ATTR_SECURE
if (ioc_flags & XFS_IOC_ATTR_SECURE)
if (flags & ~(XFS_IOC_ATTR_ROOT | XFS_IOC_ATTR_SECURE))
if (flags == (XFS_IOC_ATTR_ROOT | XFS_IOC_ATTR_SECURE))
if ((flags & XFS_IOC_ATTR_ROOT) && (flags & XFS_IOC_ATTR_SECURE))