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kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>ata_sg_init</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="libATA Developer's Guide" /><link rel="up" href="libataExt.html" title="Chapter&#160;4.&#160;libata Library" /><link rel="prev" href="API-ata-std-qc-defer.html" title="ata_std_qc_defer" /><link rel="next" href="API-ata-qc-complete.html" title="ata_qc_complete" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">ata_sg_init</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ata-std-qc-defer.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;4.&#160;libata Library</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ata-qc-complete.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-ata-sg-init"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ata_sg_init &#8212; 
     Associate command with scatter-gather table.
 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void <strong class="fsfunc">ata_sg_init </strong>(</code></td><td>struct ata_queued_cmd * <var class="pdparam">qc</var>, </td></tr><tr><td>&#160;</td><td>struct scatterlist * <var class="pdparam">sg</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">n_elem</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm139987968863440"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>qc</code></em></span></dt><dd><p>
     Command to be associated
    </p></dd><dt><span class="term"><em class="parameter"><code>sg</code></em></span></dt><dd><p>
     Scatter-gather table.
    </p></dd><dt><span class="term"><em class="parameter"><code>n_elem</code></em></span></dt><dd><p>
     Number of elements in s/g table.
    </p></dd></dl></div></div><div class="refsect1"><a id="idm139987968856576"></a><h2>Description</h2><p>
   Initialize the data-related elements of queued_cmd <em class="parameter"><code>qc</code></em>
   to point to a scatter-gather table <em class="parameter"><code>sg</code></em>, containing <em class="parameter"><code>n_elem</code></em>
   elements.
</p></div><div class="refsect1"><a id="idm139987968853552"></a><h2>LOCKING</h2><p>
   spin_lock_irqsave(host lock)
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