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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_366cae809cefebd9796e1be555536f38.html">vfs</a></div>
<h1>vfs.c File Reference</h1><code>#include <<a class="el" href="vfs_8h-source.html">vfs/vfs.h</a>></code><br>
<code>#include <<a class="el" href="vitals_8h-source.html">ubixos/vitals.h</a>></code><br>
<code>#include <<a class="el" href="kmalloc_8h-source.html">lib/kmalloc.h</a>></code><br>
<code>#include <<a class="el" href="kprintf_8h-source.html">lib/kprintf.h</a>></code><br>
<code>#include <<a class="el" href="lib_2string_8h-source.html">lib/string.h</a>></code><br>
<code>#include <<a class="el" href="kern__descrip_8h-source.html">sys/kern_descrip.h</a>></code><br>
<p>
Include dependency graph for vfs.c:<p><center><img src="vfs_8c__incl.png" border="0" usemap="#src/sys/vfs/vfs.c_map" alt=""></center>
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<p>
<a href="vfs_8c-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vfs_8c.html#3ca4e48103cbadae2952d277d03687be">sys_open</a> (struct <a class="el" href="structthread.html">thread</a> *td, struct <a class="el" href="structopen__args.html">open_args</a> *uap)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">entry point for open syscall <a href="#3ca4e48103cbadae2952d277d03687be"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vfs_8c.html#ca585ca14c08d6c1a07e1b886fc9749a">vfs_init</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structfileSystem.html">fileSystem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="vfs_8c.html#c49aa10a62b250834a055476c849b7b3">vfsFindFS</a> (int vfsType)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vfs_8c.html#d8cb9693ae7b6b9fc419efc975778338">vfsRegisterFS</a> (struct <a class="el" href="structfileSystem.html">fileSystem</a> newFS)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">register a file system <a href="#d8cb9693ae7b6b9fc419efc975778338"></a><br></td></tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="3ca4e48103cbadae2952d277d03687be"></a><!-- doxytag: member="vfs.c::sys_open" ref="3ca4e48103cbadae2952d277d03687be" args="(struct thread *td, struct open_args *uap)" -->
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<td class="memname">int sys_open </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structthread.html">thread</a> * </td>
<td class="paramname"> <em>td</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="structopen__args.html">open_args</a> * </td>
<td class="paramname"> <em>uap</em></td><td> </td>
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<p>
entry point for open syscall
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>*td</em> </td><td>pointer to callers thread </td></tr>
<tr><td valign="top"></td><td valign="top"><em>*uap</em> </td><td>pointer to user space arguements for call</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>index to file descriptor </dd></dl>
<p>
Definition at line <a class="el" href="vfs_8c-source.html#l00148">148</a> of file <a class="el" href="vfs_8c-source.html">vfs.c</a>.
<p>
References <a class="el" href="kern__descrip_8c-source.html#l00067">falloc()</a>, <a class="el" href="kern__descrip_8h-source.html#l00096">file::fd</a>, <a class="el" href="file_8c-source.html#l00274">fopen()</a>, <a class="el" href="sysproto_8h-source.html#l00057">open_args::path</a>, <a class="el" href="kern__descrip_8h-source.html#l00095">file::path</a>, <a class="el" href="strcpy_8S-source.html#l00003">strcpy</a>, and <a class="el" href="thread_8h-source.html#l00038">thread::td_retval</a>.
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<a class="anchor" name="ca585ca14c08d6c1a07e1b886fc9749a"></a><!-- doxytag: member="vfs.c::vfs_init" ref="ca585ca14c08d6c1a07e1b886fc9749a" args="()" -->
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<td class="memname">int vfs_init </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
<p>
Definition at line <a class="el" href="vfs_8c-source.html#l00048">48</a> of file <a class="el" href="vfs_8c-source.html">vfs.c</a>.
<p>
References <a class="el" href="vitals_8h-source.html#l00045">vitalsStruct::fileSystems</a>, <a class="el" href="kprintf_8c-source.html#l00038">kprintf()</a>, and <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>.
<p>
Here is the call graph for this function:<p><center><img src="vfs_8c_ca585ca14c08d6c1a07e1b886fc9749a_cgraph.png" border="0" usemap="#vfs_8c_ca585ca14c08d6c1a07e1b886fc9749a_cgraph_map" alt=""></center>
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<a class="anchor" name="c49aa10a62b250834a055476c849b7b3"></a><!-- doxytag: member="vfs.c::vfsFindFS" ref="c49aa10a62b250834a055476c849b7b3" args="(int vfsType)" -->
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<td class="memname">struct <a class="el" href="structfileSystem.html">fileSystem</a>* vfsFindFS </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>vfsType</em> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
<p>
Definition at line <a class="el" href="vfs_8c-source.html#l00059">59</a> of file <a class="el" href="vfs_8c-source.html">vfs.c</a>.
<p>
References <a class="el" href="vitals_8h-source.html#l00045">vitalsStruct::fileSystems</a>, <a class="el" href="vfs_8h-source.html#l00058">fileSystem::next</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, and <a class="el" href="vfs_8h-source.html#l00067">fileSystem::vfsType</a>.
<p>
Referenced by <a class="el" href="mount_8c-source.html#l00047">vfs_mount()</a>, and <a class="el" href="vfs_8c-source.html#l00081">vfsRegisterFS()</a>.
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<a class="anchor" name="d8cb9693ae7b6b9fc419efc975778338"></a><!-- doxytag: member="vfs.c::vfsRegisterFS" ref="d8cb9693ae7b6b9fc419efc975778338" args="(struct fileSystem newFS)" -->
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<td class="memname">int vfsRegisterFS </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structfileSystem.html">fileSystem</a> </td>
<td class="paramname"> <em>newFS</em> </td>
<td> ) </td>
<td width="100%"></td>
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<p>
register a file system
<p>
This registers a new filesystem into the vfs which is referenced when trying to mount a device<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>newFS</em> </td><td>pointer to <a class="el" href="structfileSystem.html">fileSystem</a> structure </td></tr>
</table>
</dl>
<p>
Definition at line <a class="el" href="vfs_8c-source.html#l00081">81</a> of file <a class="el" href="vfs_8c-source.html">vfs.c</a>.
<p>
References <a class="el" href="vitals_8h-source.html#l00045">vitalsStruct::fileSystems</a>, <a class="el" href="kmalloc_8c-source.html#l00247">kmalloc()</a>, <a class="el" href="kprintf_8c-source.html#l00038">kprintf()</a>, <a class="el" href="lib_2string_8h.html#e33b18edb618c656b9b795b9fce2316c">memcpy()</a>, <a class="el" href="vfs_8h-source.html#l00058">fileSystem::next</a>, <a class="el" href="types_8h-source.html#l00036">NULL</a>, <a class="el" href="vfs_8h-source.html#l00057">fileSystem::prev</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, <a class="el" href="vfs_8c-source.html#l00059">vfsFindFS()</a>, <a class="el" href="vfs_8h-source.html#l00067">fileSystem::vfsType</a>, and <a class="el" href="ap-boot_8S-source.html#l00006">x1</a>.
<p>
Referenced by <a class="el" href="devfs_8c-source.html#l00215">devfs_init()</a>, <a class="el" href="ubixfs_8c-source.html#l00456">ubixfs_init()</a>, and <a class="el" href="ufs_8c-source.html#l00314">ufs_init()</a>.
<p>
Here is the call graph for this function:<p><center><img src="vfs_8c_d8cb9693ae7b6b9fc419efc975778338_cgraph.png" border="0" usemap="#vfs_8c_d8cb9693ae7b6b9fc419efc975778338_cgraph_map" alt=""></center>
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