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Signed-off-by: Karolin Seeger <kseeger@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Thu Jul 11 02:53:34 CEST 2013 on sn-devel-104
86 lines
2.1 KiB
XML
86 lines
2.1 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
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<refentry id="vfs_btrfs.8">
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<refmeta>
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<refentrytitle>vfs_btrfs</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="source">Samba</refmiscinfo>
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<refmiscinfo class="manual">System Administration tools</refmiscinfo>
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<refmiscinfo class="version">4.1</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>vfs_btrfs</refname>
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<refpurpose>
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Utilize features provided by the Btrfs filesystem
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</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>vfs objects = btrfs</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>DESCRIPTION</title>
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<para>This VFS module is part of the
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<citerefentry><refentrytitle>samba</refentrytitle>
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<manvolnum>8</manvolnum></citerefentry> suite.</para>
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<para>
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The <command>vfs_btrfs</command> VFS module exposes Btrfs
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specific features for use by Samba.
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</para>
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<para>
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Btrfs allows for multiple files to share the same on-disk data
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through the use cloned ranges. When an SMB client issues a
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request to copy duplicate data (via FSCTL_SRV_COPYCHUNK), this
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module maps the request to a Btrfs clone range IOCTL, instead
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of performing reads and writes required by a traditional copy.
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Doing so saves storage capacity and greatly reduces disk IO.
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</para>
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<para>
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This module is stackable.
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</para>
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</refsect1>
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<refsect1>
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<title>CONFIGURATION</title>
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<para>
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<command>vfs_btrfs</command> requires that the underlying share
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path is a Btrfs filesystem.
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</para>
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<programlisting>
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<smbconfsection name="[share]"/>
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<smbconfoption name="vfs objects">btrfs</smbconfoption>
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</programlisting>
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</refsect1>
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<refsect1>
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<title>VERSION</title>
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<para>
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This man page is correct for version 4.1.0 of the Samba suite.
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</para>
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</refsect1>
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<refsect1>
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<title>AUTHOR</title>
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<para>The original Samba software and related utilities
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were created by Andrew Tridgell. Samba is now developed
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by the Samba Team as an Open Source project similar
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to the way the Linux kernel is developed.</para>
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</refsect1>
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</refentry>
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