OCFS2_LOCK_PENDING
if (!(lockres->l_flags & OCFS2_LOCK_PENDING) ||
lockres_clear_flags(lockres, OCFS2_LOCK_PENDING);
lockres_or_flags(lockres, OCFS2_LOCK_PENDING);
if (lockres->l_flags & OCFS2_LOCK_PENDING) {