1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>wbc_account_io</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="other_functions.html" title="Other Functions"><link rel="prev" href="API-unregister-filesystem.html" title="unregister_filesystem"><link rel="next" href="API-inode-congested.html" title="inode_congested"></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">wbc_account_io</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-unregister-filesystem.html">Prev</a> </td><th width="60%" align="center">Other Functions</th><td width="20%" align="right"> <a accesskey="n" href="API-inode-congested.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-wbc-account-io"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>wbc_account_io — 2 account IO issued during writeback 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">void <b class="fsfunc">wbc_account_io </b>(</code></td><td>struct writeback_control * <var class="pdparam">wbc</var>, </td></tr><tr><td> </td><td>struct page * <var class="pdparam">page</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">bytes</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.3.7.65.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>wbc</code></em></span></dt><dd><p> 4 writeback_control of the writeback in progress 5 </p></dd><dt><span class="term"><em class="parameter"><code>page</code></em></span></dt><dd><p> 6 page being written out 7 </p></dd><dt><span class="term"><em class="parameter"><code>bytes</code></em></span></dt><dd><p> 8 number of bytes being written out 9 </p></dd></dl></div></div><div class="refsect1"><a name="id-1.3.7.65.6"></a><h2>Description</h2><p> 10 <em class="parameter"><code>bytes</code></em> from <em class="parameter"><code>page</code></em> are about to written out during the writeback 11 controlled by <em class="parameter"><code>wbc</code></em>. Keep the book for foreign inode detection. See 12 <code class="function">wbc_detach_inode</code>. 13</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-unregister-filesystem.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-inode-congested.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">unregister_filesystem</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">inode_congested</span></td></tr></table></div></body></html> 14