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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>blk_requeue_request</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch14.html" title="Chapter 14. Block Devices" /><link rel="prev" href="re507.html" title="blk_make_request" /><link rel="next" href="re509.html" title="blk_insert_request" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>blk_requeue_request</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re507.html">Prev</a> </td><th width="60%" align="center">Chapter 14. Block Devices</th><td width="20%" align="right"> <a accesskey="n" href="re509.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="blk_requeue_request"><a id="API-blk-requeue-request"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>blk_requeue_request —
put a request back on queue
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">blk_requeue_request </b>(</code></td><td>struct request_queue * <var class="pdparam">q</var>, </td></tr><tr><td> </td><td>struct request * <var class="pdparam">rq</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3028345"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>q</code></em></span></dt><dd><p>
request queue where request should be inserted
</p></dd><dt><span class="term"><em class="parameter"><code>rq</code></em></span></dt><dd><p>
request to be inserted
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3028389"></a><h2>Description</h2><p>
Drivers often keep queueing requests until the hardware cannot accept
more, when that condition happens we need to put the request back
on the queue. Must be called with queue lock held.
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