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authorserhei <serhei>2021-11-19 20:13:24 +0000
committerserhei <serhei>2021-11-19 20:13:24 +0000
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1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>probe::nfs.fop.read_iter</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="nfsd.stp.html" title="Chapter 31. Network File Storage Tapsets"><link rel="prev" href="API-nfs-fop-read.html" title="probe::nfs.fop.read"><link rel="next" href="API-nfs-fop-release.html" title="probe::nfs.fop.release"></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">probe::nfs.fop.read_iter</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-nfs-fop-read.html">Prev</a> </td><th width="60%" align="center">Chapter 31. Network File Storage Tapsets</th><td width="20%" align="right"> <a accesskey="n" href="API-nfs-fop-release.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-nfs-fop-read-iter"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>probe::nfs.fop.read_iter — 1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>probe::nfs.fop.read_iter</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="nfsd.stp.html" title="Chapter 31. Network File Storage Tapsets"><link rel="prev" href="API-nfs-fop-read.html" title="probe::nfs.fop.read"><link rel="next" href="API-nfs-fop-release.html" title="probe::nfs.fop.release"></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">probe::nfs.fop.read_iter</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-nfs-fop-read.html">Prev</a> </td><th width="60%" align="center">Chapter 31. Network File Storage Tapsets</th><td width="20%" align="right"> <a accesskey="n" href="API-nfs-fop-release.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-nfs-fop-read-iter"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>probe::nfs.fop.read_iter —
2 NFS client read_iter file operation 2 NFS client read_iter file operation
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">nfs.fop.read_iter </pre></div><div class="refsect1"><a name="idm45409693217792"></a><h2>Values</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p> 3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">nfs.fop.read_iter </pre></div><div class="refsect1"><a name="idm46728482583120"></a><h2>Values</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4 device identifier 4 device identifier
5 </p></dd><dt><span class="term"><em class="parameter"><code>cache_time</code></em></span></dt><dd><p>
6 when we started read-caching this inode
7 </p></dd><dt><span class="term"><em class="parameter"><code>pos</code></em></span></dt><dd><p>
8 current position of file
9 </p></dd><dt><span class="term"><em class="parameter"><code>cache_valid</code></em></span></dt><dd><p>
10 cache related bit mask flag
5 </p></dd><dt><span class="term"><em class="parameter"><code>file_name</code></em></span></dt><dd><p> 11 </p></dd><dt><span class="term"><em class="parameter"><code>file_name</code></em></span></dt><dd><p>
6 file name 12 file name
7 </p></dd><dt><span class="term"><em class="parameter"><code>parent_name</code></em></span></dt><dd><p>
8 parent dir name
9 </p></dd><dt><span class="term"><em class="parameter"><code>ino</code></em></span></dt><dd><p> 13 </p></dd><dt><span class="term"><em class="parameter"><code>ino</code></em></span></dt><dd><p>
10 inode number 14 inode number
15 </p></dd><dt><span class="term"><em class="parameter"><code>parent_name</code></em></span></dt><dd><p>
16 parent dir name
11 </p></dd><dt><span class="term"><em class="parameter"><code>attrtimeo</code></em></span></dt><dd><p> 17 </p></dd><dt><span class="term"><em class="parameter"><code>attrtimeo</code></em></span></dt><dd><p>
12 how long the cached information is assumed to be valid. 18 how long the cached information is assumed to be valid.
13 We need to revalidate the cached attrs for this inode 19 We need to revalidate the cached attrs for this inode
14 if jiffies - read_cache_jiffies &gt; attrtimeo. 20 if jiffies - read_cache_jiffies &gt; attrtimeo.
15 </p></dd><dt><span class="term"><em class="parameter"><code>count</code></em></span></dt><dd><p> 21 </p></dd><dt><span class="term"><em class="parameter"><code>count</code></em></span></dt><dd><p>
16 read bytes 22 read bytes
17 </p></dd><dt><span class="term"><em class="parameter"><code>pos</code></em></span></dt><dd><p>
18 current position of file
19 </p></dd><dt><span class="term"><em class="parameter"><code>cache_valid</code></em></span></dt><dd><p>
20 cache related bit mask flag
21 </p></dd><dt><span class="term"><em class="parameter"><code>cache_time</code></em></span></dt><dd><p>
22 when we started read-caching this inode
23 </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-nfs-fop-read.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="nfsd.stp.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-nfs-fop-release.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">probe::nfs.fop.read</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">probe::nfs.fop.release</span></td></tr></table></div></body></html> 23 </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-nfs-fop-read.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="nfsd.stp.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-nfs-fop-release.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">probe::nfs.fop.read</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">probe::nfs.fop.release</span></td></tr></table></div></body></html>
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