1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>generic_file_read_iter</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ch04s03.html" title="More Memory Management Functions"><link rel="prev" href="API-find-get-pages-tag.html" title="find_get_pages_tag"><link rel="next" href="API-filemap-fault.html" title="filemap_fault"></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">generic_file_read_iter</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-find-get-pages-tag.html">Prev</a>&#160;</td><th width="60%" align="center">More Memory Management Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-filemap-fault.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-generic-file-read-iter"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>generic_file_read_iter &#8212; 
2     generic filesystem read routine
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">ssize_t <b class="fsfunc">generic_file_read_iter </b>(</code></td><td>struct kiocb * <var class="pdparam">iocb</var>, </td></tr><tr><td>&#160;</td><td>struct iov_iter * <var class="pdparam">iter</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124193740"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>iocb</code></em></span></dt><dd><p>
4     kernel I/O control block
5    </p></dd><dt><span class="term"><em class="parameter"><code>iter</code></em></span></dt><dd><p>
6     destination for the data read
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124196388"></a><h2>Description</h2><p>
8   This is the <span class="quote">&#8220;<span class="quote"><code class="function">read_iter</code></span>&#8221;</span> routine for all filesystems
9   that can use the page cache directly.
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