<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!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>blk_execute_rq</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="re570.html" title="blk_execute_rq_nowait" /><link rel="next" href="re572.html" title="__blkdev_issue_flush" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>blk_execute_rq</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re570.html">Prev</a> </td><th width="60%" align="center">Chapter 14. Block Devices</th><td width="20%" align="right"> <a accesskey="n" href="re572.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="blk_execute_rq"><a id="API-blk-execute-rq"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>blk_execute_rq — insert a request into queue for execution </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">int <b class="fsfunc">blk_execute_rq </b>(</code></td><td>struct request_queue * <var class="pdparam">q</var>, </td></tr><tr><td> </td><td>struct gendisk * <var class="pdparam">bd_disk</var>, </td></tr><tr><td> </td><td>struct request * <var class="pdparam">rq</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">at_head</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3038990"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>q</code></em></span></dt><dd><p> queue to insert the request in </p></dd><dt><span class="term"><em class="parameter"><code>bd_disk</code></em></span></dt><dd><p> matching gendisk </p></dd><dt><span class="term"><em class="parameter"><code>rq</code></em></span></dt><dd><p> request to insert </p></dd><dt><span class="term"><em class="parameter"><code>at_head</code></em></span></dt><dd><p> insert request at head or tail of queue </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3039068"></a><h2>Description</h2><p> Insert a fully prepared request at the back of the I/O scheduler queue for execution and wait for completion. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re570.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch14.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re572.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>blk_execute_rq_nowait</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>__blkdev_issue_flush</span></td></tr></table></div></body></html>