{
		dm.m.Lock()
		defer dm.m.Unlock()

		// Check if minimally a single bool is set in the writeLocks array
		lockFound := slices.ContainsFunc(dm.writeLocks, isLocked)
		if !lockFound {
			panic("Trying to Unlock() while no Lock() is active")
		}

		// Copy write locks to stack array
		copy(locks, dm.writeLocks)
	}

	// Tolerance is not set, defaults to half of the locker clients.

    // Establish an ordering from writeLockA -> writeLockB.
    writeLockA.lock();
    writeLockB.lock();
    writeLockB.unlock();
    writeLockA.unlock();

    // Establish an ordering from writeLockB -> writeLockC.
    writeLockB.lock();
    writeLockC.lock();
    writeLockB.unlock();

    // writeLockC -> writeLockA should fail.
    PotentialDeadlockException expected =

            }
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Remove a child entry
     *
     * @param childName child file name
     */
    public void removeChild(String childName) {
        lock.writeLock().lock();
        try {
            if (children.remove(childName) != null) {

    public void releaseLease(Smb2LeaseKey key) {
        lock.writeLock().lock();
        try {
            LeaseEntry entry = leases.remove(key);
            if (entry != null) {
                pathToLease.remove(entry.getPath());
                log.debug("Released lease for path: {} with key: {}", entry.getPath(), key);
            }
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**

		subrouter.Methods(http.MethodPost).Path("/v1/force-unlock").HandlerFunc(lockServer.ForceUnlockHandler)

		nodes[i] = httptest.NewServer(router)
	}
}

const WriteLock = -1

type lockServer struct {
	mutex sync.Mutex
	// Map of locks, with negative value indicating (exclusive) write lock
	// and positive values indicating number of read locks
	lockMap map[string]int64

		WriteSectors: currentStats.WriteSectors - initialStats.WriteSectors,
		ReadTicks:    currentStats.ReadTicks - initialStats.ReadTicks,
		WriteTicks:   currentStats.WriteTicks - initialStats.WriteTicks,
		TotalTicks:   currentStats.TotalTicks - initialStats.TotalTicks,
	}
}

func getDriveIOStatMetrics(ioStats madmin.DiskIOStats, duration time.Duration) (m driveIOStatMetrics) {

        lock.writeLock().lock();
        try {
            handles.put(path, info);
            guidToHandle.put(guid, info);

            if (type == HandleType.PERSISTENT) {
                persistHandle(info);
            }
        } finally {
            lock.writeLock().unlock();
        }

				ReadIOs:        1432553,
				ReadMerges:     420084,
				ReadSectors:    66247626,
				ReadTicks:      2398227,
				WriteIOs:       7077314,
				WriteMerges:    8720147,
				WriteSectors:   157049224,
				WriteTicks:     7469810,
				CurrentIOs:     0,
				TotalTicks:     7580552,
				ReqTicks:       9869354,
				DiscardIOs:     46037,
				DiscardMerges:  0,
				DiscardSectors: 41695120,
				DiscardTicks:   1315,

				ReadSectors:    st.ReadSectors,
				ReadTicks:      st.ReadTicks,
				WriteIOs:       st.WriteIOs,
				WriteMerges:    st.WriteMerges,
				WriteSectors:   st.WriteSectors,
				WriteTicks:     st.WriteTicks,
				CurrentIOs:     st.CurrentIOs,
				TotalTicks:     st.TotalTicks,
				ReqTicks:       st.ReqTicks,
				DiscardIOs:     st.DiscardIOs,
				DiscardMerges:  st.DiscardMerges,

    
    public void markComplete() {
        lock.writeLock().lock();
        try {
            this.isComplete = true;
            this.hasChanges = false;
            this.lastUpdateTime = System.currentTimeMillis();
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public void invalidate() {
        lock.writeLock().lock();
        try {
            children.clear();