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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>open_bdev_exclusive</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="ch01s06.html" title="Other Functions" /><link rel="prev" href="re132.html" title="lookup_bdev" /><link rel="next" href="re134.html" title="close_bdev_exclusive" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>open_bdev_exclusive</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re132.html">Prev</a> </td><th width="60%" align="center">Other Functions</th><td width="20%" align="right"> <a accesskey="n" href="re134.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="open_bdev_exclusive"><a id="API-open-bdev-exclusive"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>open_bdev_exclusive —
open a block device by name and set it up for use
</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">struct block_device * <b class="fsfunc">open_bdev_exclusive </b>(</code></td><td>const char * <var class="pdparam">path</var>, </td></tr><tr><td> </td><td>fmode_t <var class="pdparam">mode</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">holder</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3022374"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>path</code></em></span></dt><dd><p>
special file representing the block device
</p></dd><dt><span class="term"><em class="parameter"><code>mode</code></em></span></dt><dd><p>
FMODE_... combination to pass be used
</p></dd><dt><span class="term"><em class="parameter"><code>holder</code></em></span></dt><dd><p>
owner for exclusion
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3022436"></a><h2>Description</h2><p>
Open the blockdevice described by the special file at <em class="parameter"><code>path</code></em>, claim it
for the <em class="parameter"><code>holder</code></em>.
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