1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>jbd2_journal_start_reserved</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="functions.html#transaction_level" title="Transasction Level"><link rel="prev" href="API-jbd2--journal-start.html" title="jbd2__journal_start"><link rel="next" href="API-jbd2-journal-extend.html" title="jbd2_journal_extend"></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">jbd2_journal_start_reserved</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-jbd2--journal-start.html">Prev</a> </td><th width="60%" align="center">Transasction Level</th><td width="20%" align="right"> <a accesskey="n" href="API-jbd2-journal-extend.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-jbd2-journal-start-reserved"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>jbd2_journal_start_reserved — 
2     start reserved handle
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">jbd2_journal_start_reserved </b>(</code></td><td>handle_t * <var class="pdparam">handle</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">type</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">line_no</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.8.5.4.3.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>handle</code></em></span></dt><dd><p>
4     handle to start
5    </p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>
6     -- undescribed --
7    </p></dd><dt><span class="term"><em class="parameter"><code>line_no</code></em></span></dt><dd><p>
8     -- undescribed --
9    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.8.5.4.3.6"></a><h2>Description</h2><p>
10   Start handle that has been previously reserved with <code class="function">jbd2_journal_reserve</code>.
11   This attaches <em class="parameter"><code>handle</code></em> to the running transaction (or creates one if there's
12   not transaction running). Unlike <code class="function">jbd2_journal_start</code> this function cannot
13   block on journal commit, checkpointing, or similar stuff. It can block on
14   memory allocation or frozen journal though.
15   </p><p>
16
17   Return 0 on success, non-zero on error - handle is freed in that case.
18</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-jbd2--journal-start.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="functions.html#transaction_level">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-jbd2-journal-extend.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">jbd2__journal_start</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">jbd2_journal_extend</span></td></tr></table></div></body></html>
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