delete(n.lockMap, resource)
		}
		n.lockMapMutex.Unlock()
	}

	return locked
}

// Unlock the namespace resource.
func (n *nsLockMap) unlock(volume string, path string, readLock bool) {
	resource := pathJoin(volume, path)

	n.lockMapMutex.Lock()
	defer n.lockMapMutex.Unlock()
	if _, found := n.lockMap[resource]; !found {
		return
	}
	if readLock {

	defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
		mu.Unlock(t.Context()) // Unlock, so -test.count > 1 works
	}()
	mu.Lock(id, source)
	mu.RUnlock(t.Context())
}

// Borrowed from rwmutex_test.go
func benchmarkRWMutex(b *testing.B, localWork, writeRatio int) {
	b.ResetTimer()
	b.ReportAllocs()

	return c.call(ctx, lockRPCRUnlock, &args)
}

// Refresh calls Refresh REST API.
func (c *lockRESTClient) Refresh(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCRefresh, &args)
}

// Unlock calls write unlock RPC.
func (c *lockRESTClient) Unlock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {

		subrouter.Methods(http.MethodPost).Path("/v1/rlock").HandlerFunc(lockServer.RLockHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/unlock").HandlerFunc(lockServer.UnlockHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/runlock").HandlerFunc(lockServer.RUnlockHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/force-unlock").HandlerFunc(lockServer.ForceUnlockHandler)

	// Caller may use this as an indication to call again.
	return !checkFailedUnlocks(*locks, tolerance)
}

// Unlock unlocks the write lock.
//
// It is a run-time error if dm is not locked on entry to Unlock.
func (dm *DRWMutex) Unlock(ctx context.Context) {
	dm.m.Lock()
	dm.cancelRefresh()
	dm.m.Unlock()

	restClnts, owner := dm.clnt.GetLockers()
	// create temp array on stack
	locks := make([]string, len(restClnts))

	}

	// Attempt all calls.
	_, err = lkClient.RLock(t.Context(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Rlock to fail")
	}

	_, err = lkClient.Lock(t.Context(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Lock to fail")
	}

	_, err = lkClient.RUnlock(t.Context(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for RUnlock to fail")
	}

	resp := lockRPCUnlock.NewResponse()
	_, err := l.ll.Unlock(context.Background(), *args)
	// Ignore the Unlock() "reply" return value because if err == nil, "reply" is always true
	// Consequently, if err != nil, reply is always false
	return l.makeResp(resp, err)
}

// RLockHandler - Acquires an RLock.
func (l *lockRESTServer) RLockHandler(args *dsync.LockArgs) (*dsync.LockResp, *grid.RemoteErr) {

					}
					if len(l.lockUID) != locks*readers-len(toUnLock) {
						t.Fatalf("want %d objects uids all deleted, %d remains", len(l.lockUID), locks*readers-len(toUnLock))
					}

					toUnLock = toUnLock[:0]
					for k, v := range l.lockMap {
						for _, lock := range v {
							toUnLock = append(toUnLock, dsync.LockArgs{Resources: []string{k}, UID: lock.UID, Owner: lock.Owner})
						}
					}

		l.lockUID[formatUUID(args.UID, 0)] = resource
		reply = true
	}
	return reply, nil
}

func (l *localLocker) RUnlock(_ context.Context, args dsync.LockArgs) (reply bool, err error) {
	if len(args.Resources) > 1 {
		return false, fmt.Errorf("internal error: localLocker.RUnlock called with more than one resource")
	}

	defer l.getMutex()()
	var lri []lockRequesterInfo

	resource := args.Resources[0]

		usersSysType: usersSysType,
	}
}

func (ies *IAMEtcdStore) rlock() *iamCache {
	ies.RLock()
	return ies.iamCache
}

func (ies *IAMEtcdStore) runlock() {
	ies.RUnlock()
}

func (ies *IAMEtcdStore) lock() *iamCache {
	ies.Lock()
	return ies.iamCache
}

func (ies *IAMEtcdStore) unlock() {
	ies.Unlock()
}

func (ies *IAMEtcdStore) getUsersSysType() UsersSysType {