From 4f5791ebd03eaec1c7da0865a383175b05102712 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 19:47:29 +0200
Subject: Adding upstream version 2:4.17.12+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 docs-xml/manpages/vfs_cacheprime.8.xml | 110 +++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 docs-xml/manpages/vfs_cacheprime.8.xml

(limited to 'docs-xml/manpages/vfs_cacheprime.8.xml')

diff --git a/docs-xml/manpages/vfs_cacheprime.8.xml b/docs-xml/manpages/vfs_cacheprime.8.xml
new file mode 100644
index 0000000..51b2446
--- /dev/null
+++ b/docs-xml/manpages/vfs_cacheprime.8.xml
@@ -0,0 +1,110 @@
+<?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_cacheprime.8">
+
+<refmeta>
+	<refentrytitle>vfs_cacheprime</refentrytitle>
+	<manvolnum>8</manvolnum>
+	<refmiscinfo class="source">Samba</refmiscinfo>
+	<refmiscinfo class="manual">System Administration tools</refmiscinfo>
+	<refmiscinfo class="version">&doc.version;</refmiscinfo>
+</refmeta>
+
+
+<refnamediv>
+	<refname>vfs_cacheprime</refname>
+	<refpurpose>prime the kernel file data cache</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+	<cmdsynopsis>
+		<command>vfs objects = cacheprime</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>The <command>vfs_cacheprime</command> VFS module reads chunks
+	of file data near the range requested by clients in order to
+	make sure the data is present in the kernel file data cache at
+	the time when it is actually requested by clients. </para>
+
+	<para>The size of the disk read operations performed
+	by <command>vfs_cacheprime</command> is determined by the
+	cacheprime:rsize option. All disk read operations are aligned
+	on boundaries that are a multiple of this size. Each range of
+	the file data is primed at most once during the time the client
+	has the file open. </para>
+
+	<para>This module is stackable.</para>
+</refsect1>
+
+<refsect1>
+	<title>OPTIONS</title>
+
+	<variablelist>
+
+		<varlistentry>
+		<term>cacheprime:rsize = BYTES</term>
+		<listitem>
+		<para>The number of bytes with which to prime
+		the kernel data cache.</para>
+		<para>The following suffixes may be applied to BYTES:</para>
+		<itemizedlist>
+		<listitem><para><command>K</command> - BYTES is a number of kilobytes</para></listitem>
+		<listitem><para><command>M</command> - BYTES is a number of megabytes</para></listitem>
+		<listitem><para><command>G</command> - BYTES is a number of gigabytes</para></listitem>
+		</itemizedlist>
+
+		</listitem>
+		</varlistentry>
+
+	</variablelist>
+</refsect1>
+
+<refsect1>
+	<title>EXAMPLES</title>
+
+	<para>For a hypothetical disk array, it is necessary to ensure
+	that all read operations are of size 1 megabyte (1048576 bytes),
+	and aligned on 1 megabyte boundaries:
+	</para>
+<programlisting>
+	<smbconfsection name="[hypothetical]"/>
+	<smbconfoption name="vfs objects">cacheprime</smbconfoption>
+	<smbconfoption name="cacheprime:rsize">1M</smbconfoption>
+</programlisting>
+
+</refsect1>
+
+<refsect1>
+	<title>CAVEATS</title>
+	<para><command>cacheprime</command> is not a substitute for
+	a general-purpose readahead mechanism. It is intended for use
+	only in very specific environments where disk operations must
+	be aligned and sized to known values (as much as that is possible).
+	</para>
+</refsect1>
+
+<refsect1>
+	<title>VERSION</title>
+	<para>This man page is part of version &doc.version; 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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