1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>starget_for_each_device</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="SCSI Interfaces Guide"><link rel="up" href="mid_layer.html#scsi.c" title="drivers/scsi/scsi.c"><link rel="prev" href="API-scsi-device-put.html" title="scsi_device_put"><link rel="next" href="API---starget-for-each-device.html" title="__starget_for_each_device"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">starget_for_each_device</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-scsi-device-put.html">Prev</a>&#160;</td><th width="60%" align="center">drivers/scsi/scsi.c</th><td width="20%" align="right">&#160;<a accesskey="n" href="API---starget-for-each-device.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-starget-for-each-device"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>starget_for_each_device &#8212; 
2     helper to walk all devices of a target
3 </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 <b class="fsfunc">starget_for_each_device </b>(</code></td><td>struct scsi_target * <var class="pdparam">starget</var>, </td></tr><tr><td>&#160;</td><td>void * <var class="pdparam">data</var>, </td></tr><tr><td>&#160;</td><td>void (*<var class="pdparam">fn</var>)
4     <code>(</code>struct scsi_device *, void *<code>)</code><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1123563692"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>starget</code></em></span></dt><dd><p>
5     target whose devices we want to iterate over.
6    </p></dd><dt><span class="term"><em class="parameter"><code>data</code></em></span></dt><dd><p>
7     Opaque passed to each function call.
8    </p></dd><dt><span class="term"><em class="parameter"><code>fn</code></em></span></dt><dd><p>
9     Function to call on each device
10    </p></dd></dl></div></div><div class="refsect1"><a name="idp1123567292"></a><h2>Description</h2><p>
11   This traverses over each device of <em class="parameter"><code>starget</code></em>.  The devices have
12   a reference that must be released by scsi_host_put when breaking
13   out of the loop.
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