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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>lookup_create</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="other_functions.html" title="Other Functions" /><link rel="prev" href="API-filp-open.html" title="filp_open" /><link rel="next" href="API-sync-mapping-buffers.html" title="sync_mapping_buffers" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>lookup_create</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-filp-open.html">Prev</a> </td><th width="60%" align="center">Other Functions</th><td width="20%" align="right"> <a accesskey="n" href="API-sync-mapping-buffers.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="lookup_create"><a id="API-lookup-create"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>lookup_create —
lookup a dentry, creating it if it doesn't exist
</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">struct dentry * <strong>fsfunclookup_create </strong>(</code></td><td>struct nameidata * <var class="pdparam">nd</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">is_dir</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2750703"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>nd</code></em></span></dt><dd><p>
nameidata info
</p></dd><dt><span class="term"><em class="parameter"><code>is_dir</code></em></span></dt><dd><p>
directory flag
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2750745"></a><h2>Description</h2><p>
Simple function to lookup and return a dentry and create it
if it doesn't exist. Is SMP-safe.
</p><p>
Returns with nd->path.dentry->d_inode->i_mutex locked.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-filp-open.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="other_functions.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-sync-mapping-buffers.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>filp_open</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>sync_mapping_buffers</span></td></tr></table></div></body></html>
