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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>relay_subbufs_consumed</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch07.html#id2659585" title="relay interface" /><link rel="prev" href="re271.html" title="relay_switch_subbuf" /><link rel="next" href="re273.html" title="relay_close" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>relay_subbufs_consumed</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re271.html">Prev</a> </td><th width="60%" align="center">relay interface</th><td width="20%" align="right"> <a accesskey="n" href="re273.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="relay_subbufs_consumed"><a id="API-relay-subbufs-consumed"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>relay_subbufs_consumed —
update the buffer's sub-buffers-consumed 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">relay_subbufs_consumed </b>(</code></td><td>struct rchan * <var class="pdparam">chan</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">cpu</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">subbufs_consumed</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2660332"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>chan</code></em></span></dt><dd><p>
the channel
</p></dd><dt><span class="term"><em class="parameter"><code>cpu</code></em></span></dt><dd><p>
the cpu associated with the channel buffer to update
</p></dd><dt><span class="term"><em class="parameter"><code>subbufs_consumed</code></em></span></dt><dd><p>
number of sub-buffers to add to current buf's count
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2660394"></a><h2>Description</h2><p>
Adds to the channel buffer's consumed sub-buffer count.
subbufs_consumed should be the number of sub-buffers newly consumed,
not the total consumed.
</p><p>
NOTE. Kernel clients don't need to call this function if the channel
mode is 'overwrite'.
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