Here you can find the source of bytesToSectors(long bytes)
public static long bytesToSectors(long bytes)
//package com.java2s; /*/* w ww. j a v a2 s . com*/ * Copyright 2015 VMware, Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed * under the License is distributed on an "AS IS" BASIS, without warranties or * conditions of any kind, EITHER EXPRESS OR IMPLIED. See the License for the * specific language governing permissions and limitations under the License. */ public class Main { public static final int DISKLIB_SECTOR_SIZE = 512; public static long bytesToSectors(long bytes) { return divideAndRoundUp(bytes, DISKLIB_SECTOR_SIZE); } public static long divideAndRoundUp(long x, long y) { return (x + y - 1) / y; } }