From fac9e930c6bfff9c6f2526814f08cb1a0b3e9f02 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Wed, 14 Jan 2009 11:52:01 +0100
Subject: s3:docs: vfs_fileid manpage

metze
(cherry picked from commit 6a94b7b9270f3d69595b93e2632051c9842645c9)
(cherry picked from commit 8e13be1db5c51002ae72c42c505a79406b2f4f63)
---
 docs-xml/manpages-3/vfs_fileid.8.xml | 112 +++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 docs-xml/manpages-3/vfs_fileid.8.xml

diff --git a/docs-xml/manpages-3/vfs_fileid.8.xml b/docs-xml/manpages-3/vfs_fileid.8.xml
new file mode 100644
index 00000000000..202d693a944
--- /dev/null
+++ b/docs-xml/manpages-3/vfs_fileid.8.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
+<refentry id="vfs_fileid.8">
+
+<refmeta>
+	<refentrytitle>vfs_fileid</refentrytitle>
+	<manvolnum>8</manvolnum>
+	<refmiscinfo class="source">Samba</refmiscinfo>
+	<refmiscinfo class="manual">System Administration tools</refmiscinfo>
+	<refmiscinfo class="version">3.2</refmiscinfo>
+</refmeta>
+
+
+<refnamediv>
+	<refname>vfs_fileid</refname>
+	<refpurpose>Generates file_id structs with unique device id values for
+	cluster setups</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+	<cmdsynopsis>
+		<command>vfs objects = fileid</command>
+	</cmdsynopsis>
+</refsynopsisdiv>
+
+<refsect1>
+	<title>DESCRIPTION</title>
+
+	<para>This VFS module is part of the
+	<citerefentry><refentrytitle>samba</refentrytitle>
+	<manvolnum>7</manvolnum></citerefentry>
+	suite.</para>
+
+	<para>Samba uses file_id structs to uniquely identify files
+	for locking purpose. By default the file_id contains the device
+	and inode number returned by the <command>stat()</command> system call.
+	As the file_id is a unique identifier of a file, it must be the same
+	on all nodes in a cluster setup. This module overloads the
+	<command>SMB_VFS_FILE_ID_CREATE()</command> operation and
+	generates the device number based on the configured algorithm
+	(see the "fileid:algorithm" option).
+	</para>
+</refsect1>
+
+
+<refsect1>
+	<title>OPTIONS</title>
+
+	<variablelist>
+
+		<varlistentry>
+		<term>fileid:algorithm = ALGORITHM</term>
+		<listitem>
+		<para>Available algorithms are <command>fsname</command>
+		and <command>fsid</command>. The default value is
+		<command>fsname</command>.
+		</para>
+		<para>The <command>fsname</command> algorithm generates
+		device id by hashing the kernel device name.
+		</para>
+		<para>The <command>fsid</command> algorithm generates
+		the device id from the <command>f_fsid</command> returned
+		from the <command>statfs()</command> syscall.
+		</para>
+		</listitem>
+		</varlistentry>
+
+		<varlistentry>
+		<term>fileid:mapping = ALGORITHM</term>
+		<listitem>
+		<para>This option is the legacy version of the
+		<command>fileid:algorithm</command> option, which was used in earlier
+		versions of fileid mapping feature in custom Samba 3.0 versions.
+		</para>
+		</listitem>
+		</varlistentry>
+
+	</variablelist>
+</refsect1>
+
+<refsect1>
+	<title>EXAMPLES</title>
+
+	<para>Usage of the <command>fileid</command> module with the
+	<command>fsid</command> algorithm:</para>
+
+<programlisting>
+        <smbconfsection name="[global]"/>
+	<smbconfoption name="vfs objects">fileid</smbconfoption>
+	<smbconfoption name="fileid:algorithm">fsid</smbconfoption>
+</programlisting>
+
+</refsect1>
+
+<refsect1>
+	<title>VERSION</title>
+
+	<para>This man page is correct for version 3.2 of the Samba suite.
+	</para>
+</refsect1>
+
+<refsect1>
+	<title>AUTHOR</title>
+
+	<para>The original Samba software and related utilities
+	were created by Andrew Tridgell. Samba is now developed
+	by the Samba Team as an Open Source project similar
+	to the way the Linux kernel is developed.</para>
+
+</refsect1>
+
+</refentry>
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