static unsigned int recalc_flags(struct mount_kattr *kattr, struct mount *mnt)
{
	unsigned int flags = mnt->mnt.mnt_flags;

	/*  flags to clear */
	flags &= ~kattr->attr_clr;
	/* flags to raise */
	flags |= kattr->attr_set;

	return flags;
}
static unsigned int recalc_flags(struct mount_kattr *kattr, struct mount *mnt)
{
	unsigned int flags = mnt->mnt.mnt_flags;

	 
	flags &= ~kattr->attr_clr;
	 
	flags |= kattr->attr_set;

	return flags;
}