freenet.support.io

Class Fallocate

java.lang.Object

freenet.support.io.Fallocate

public final class Fallocate
extends java.lang.Object

Provides access to operating system-specific fallocate and posix_fallocate functions. https://stackoverflow.com/questions/18031841/pre-allocating-drive-space-for-file-storage

Method Summary

Modifier and Type	Method and Description
void	execute()
static Fallocate	forChannel(java.nio.channels.FileChannel channel, java.io.FileDescriptor fd, long final_filesize)
static Fallocate	forChannel(java.nio.channels.FileChannel channel, long final_filesize)
Fallocate	fromOffset(long offset)
Fallocate	keepSize()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

forChannel

public static Fallocate forChannel(java.nio.channels.FileChannel channel,
                                   long final_filesize)

forChannel

public static Fallocate forChannel(java.nio.channels.FileChannel channel,
                                   java.io.FileDescriptor fd,
                                   long final_filesize)

fromOffset

public Fallocate fromOffset(long offset)

keepSize

public Fallocate keepSize()

execute

public void execute()
             throws java.io.IOException

Throws:

java.io.IOException