1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>bio_alloc_pages</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-bio-advance.html" title="bio_advance"><link rel="next" href="API-bio-copy-data.html" title="bio_copy_data"></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">bio_alloc_pages</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-bio-advance.html">Prev</a>&#160;</td><th width="60%" align="center">Other Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-bio-copy-data.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-bio-alloc-pages"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>bio_alloc_pages &#8212; 
2     allocates a single page for each bvec in a bio
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">bio_alloc_pages </b>(</code></td><td>struct bio * <var class="pdparam">bio</var>, </td></tr><tr><td>&#160;</td><td>gfp_t <var class="pdparam">gfp_mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1102442204"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>bio</code></em></span></dt><dd><p>
4     bio to allocate pages for
5    </p></dd><dt><span class="term"><em class="parameter"><code>gfp_mask</code></em></span></dt><dd><p>
6     flags for allocation
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1102444836"></a><h2>Description</h2><p>
8   Allocates pages up to <em class="parameter"><code>bio</code></em>-&gt;bi_vcnt.
9   </p><p>
10
11   Returns 0 on success, -ENOMEM on failure. On failure, any allocated pages are
12   freed.
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