<?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>drop_nlink</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="ch01.html#the_filesystem_types" title="The Filesystem types" /><link rel="prev" href="re02.html" title="inc_nlink" /><link rel="next" href="re04.html" title="clear_nlink" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>drop_nlink</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re02.html">Prev</a> </td><th width="60%" align="center">The Filesystem types</th><td width="20%" align="right"> <a accesskey="n" href="re04.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="drop_nlink"><a id="API-drop-nlink"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drop_nlink —
directly drop an inode's link count
</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">drop_nlink </b>(</code></td><td>struct inode * <var class="pdparam">inode</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2955049"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>inode</code></em></span></dt><dd><p>
inode
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2955076"></a><h2>Description</h2><p>
This is a low-level filesystem helper to replace any
direct filesystem manipulation of i_nlink. In cases
where we are attempting to track writes to the
filesystem, a decrement to zero means an imminent
write when the file is truncated and actually unlinked
on the filesystem.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch01.html#the_filesystem_types">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re04.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>inc_nlink</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>clear_nlink</span></td></tr></table></div></body></html>
