1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>file_update_time</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Filesystems API"><link rel="up" href="inode_handling.html" title="Inode Handling"><link rel="prev" href="API-touch-atime.html" title="touch_atime"><link rel="next" href="API-inode-init-owner.html" title="inode_init_owner"></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">file_update_time</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-touch-atime.html">Prev</a>&#160;</td><th width="60%" align="center">Inode Handling</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-inode-init-owner.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-file-update-time"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>file_update_time &#8212; 
2     update mtime and ctime time
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">int <b class="fsfunc">file_update_time </b>(</code></td><td>struct file * <var class="pdparam">file</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1101821964"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>file</code></em></span></dt><dd><p>
4     file accessed
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1101823492"></a><h2>Description</h2><p>
6   Update the mtime and ctime members of an inode and mark the inode
7   for writeback.  Note that this function is meant exclusively for
8   usage in the file write path of filesystems, and filesystems may
9   choose to explicitly ignore update via this function with the
10   S_NOCMTIME inode flag, e.g. for network filesystem where these
11   timestamps are handled by the server.  This can return an error for
12   file systems who need to allocate space in order to update an inode.
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