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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>blk_alloc_devt</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="ch14.html" title="Chapter 14. Block Devices" /><link rel="prev" href="re596.html" title="blk_mangle_minor" /><link rel="next" href="re598.html" title="blk_free_devt" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>blk_alloc_devt</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re596.html">Prev</a> </td><th width="60%" align="center">Chapter 14. Block Devices</th><td width="20%" align="right"> <a accesskey="n" href="re598.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="blk_alloc_devt"><a id="API-blk-alloc-devt"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>blk_alloc_devt —
allocate a dev_t for a partition
</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">int <b class="fsfunc">blk_alloc_devt </b>(</code></td><td>struct hd_struct * <var class="pdparam">part</var>, </td></tr><tr><td> </td><td>dev_t * <var class="pdparam">devt</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3042903"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>part</code></em></span></dt><dd><p>
partition to allocate dev_t for
</p></dd><dt><span class="term"><em class="parameter"><code>devt</code></em></span></dt><dd><p>
out parameter for resulting dev_t
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3042947"></a><h2>Description</h2><p>
Allocate a dev_t for block device.
</p></div><div class="refsect1" title="RETURNS"><a id="id3042958"></a><h2>RETURNS</h2><p>
0 on success, allocated dev_t is returned in *<em class="parameter"><code>devt</code></em>. -errno on
failure.
</p></div><div class="refsect1" title="CONTEXT"><a id="id3042975"></a><h2>CONTEXT</h2><p>
Might sleep.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re596.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch14.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re598.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>blk_mangle_minor</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>blk_free_devt</span></td></tr></table></div></body></html>
