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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>d_invalidate</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="ch01s02.html" title="The Directory Cache" /><link rel="prev" href="ch01s02.html" title="The Directory Cache" /><link rel="next" href="re07.html" title="shrink_dcache_sb" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>d_invalidate</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch01s02.html">Prev</a> </td><th width="60%" align="center">The Directory Cache</th><td width="20%" align="right"> <a accesskey="n" href="re07.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="d_invalidate"><a id="API-d-invalidate"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>d_invalidate —
invalidate a dentry
</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">d_invalidate </b>(</code></td><td>struct dentry * <var class="pdparam">dentry</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2955191"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dentry</code></em></span></dt><dd><p>
dentry to invalidate
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2955218"></a><h2>Description</h2><p>
Try to invalidate the dentry if it turns out to be
possible. If there are other dentries that can be
reached through this one we can't delete it and we
return -EBUSY. On success we return 0.
</p><p>
no dcache lock.
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