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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>starget_for_each_device</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="SCSI Interfaces Guide" /><link rel="up" href="ch03.html#scsi.c" title="drivers/scsi/scsi.c" /><link rel="prev" href="re15.html" title="scsi_device_put" /><link rel="next" href="re17.html" title="__starget_for_each_device" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>starget_for_each_device</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re15.html">Prev</a> </td><th width="60%" align="center">drivers/scsi/scsi.c</th><td width="20%" align="right"> <a accesskey="n" href="re17.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="starget_for_each_device"><a id="API-starget-for-each-device"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>starget_for_each_device —
helper to walk all devices of a target
</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">starget_for_each_device </b>(</code></td><td>struct scsi_target * <var class="pdparam">starget</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">data</var>, </td></tr><tr><td> </td><td>void (*<var class="pdparam">fn</var>)
<code>(</code>struct scsi_device *, void *<code>)</code><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2751402"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>starget</code></em></span></dt><dd><p>
target whose devices we want to iterate over.
</p></dd><dt><span class="term"><em class="parameter"><code>data</code></em></span></dt><dd><p>
Opaque passed to each function call.
</p></dd><dt><span class="term"><em class="parameter"><code>fn</code></em></span></dt><dd><p>
Function to call on each device
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2751462"></a><h2>Description</h2><p>
This traverses over each device of <em class="parameter"><code>starget</code></em>. The devices have
a reference that must be released by scsi_host_put when breaking
out of the loop.
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