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branches/samba-3.2.x/docs/htmldocs/manpages/vfs_readahead.8.html
r202 r204 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_readahead</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_readahead.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_readahead — pre-load the kernel buffer cache</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = readahead</code></p></div></div><div class="refsect1" lang="en"><a name="id251 6089"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_readahead</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_readahead.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_readahead — pre-load the kernel buffer cache</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = readahead</code></p></div></div><div class="refsect1" lang="en"><a name="id251"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the 2 2 <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>This <code class="literal">vfs_readahead</code> VFS module detects 3 3 read requests at multiples of a given offset (hex 0x80000 by … … 13 13 same value as the readahead:offset option and if not 14 14 set explicitly will use the current value of 15 readahead:offset.</p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id24 79186"></a><h2>OPTIONS</h2><div class="variablelist"><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div><dl><dt><span class="term">readahead:offset = BYTES</span></dt><dd><p>The offset multiple that causes readahead to be15 readahead:offset.</p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>OPTIONS</h2><div class="variablelist"><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div><dl><dt><span class="term">readahead:offset = BYTES</span></dt><dd><p>The offset multiple that causes readahead to be 16 16 requested of the kernel buffer cache.</p></dd><dt><span class="term">readahead:length = BYTES</span></dt><dd><p>The number of bytes requested to be 17 17 read into the kernel buffer cache on each 18 readahead call.</p></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24 79260"></a><h2>EXAMPLES</h2><pre class="programlisting">18 readahead call.</p></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24"></a><h2>EXAMPLES</h2><pre class="programlisting"> 19 19 <em class="parameter"><code>[hypothetical]</code></em> 20 20 <a class="link" href="smb.conf.5.html#VFSOBJECTS">vfs objects = readahead</a> 21 </pre></div><div class="refsect1" lang="en"><a name="id24 79395"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite.22 </p></div><div class="refsect1" lang="en"><a name="id24 79406"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities21 </pre></div><div class="refsect1" lang="en"><a name="id24"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite. 22 </p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities 23 23 were created by Andrew Tridgell. Samba is now developed 24 24 by the Samba Team as an Open Source project similar
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