OCFS2_LOCK_NEEDS_REFRESH
if (!(lockres->l_flags & OCFS2_LOCK_NEEDS_REFRESH)) {
lockres_clear_flags(lockres, OCFS2_LOCK_NEEDS_REFRESH);
!(lockres->l_flags & OCFS2_LOCK_NEEDS_REFRESH))
if (set_lvb && !(lockres->l_flags & OCFS2_LOCK_NEEDS_REFRESH))
lockres_or_flags(lockres, OCFS2_LOCK_NEEDS_REFRESH);
lockres_or_flags(lockres, OCFS2_LOCK_NEEDS_REFRESH);