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<div class="title">ufs.c File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="include_2sys_2types_8h_source.html">sys/types.h</a>></code><br />
<code>#include <<a class="el" href="include_2vfs_2vfs_8h_source.html">vfs/vfs.h</a>></code><br />
<code>#include <<a class="el" href="include_2vfs_2file_8h_source.html">vfs/file.h</a>></code><br />
<code>#include <<a class="el" href="ufs_8h_source.html">ufs/ufs.h</a>></code><br />
<code>#include <<a class="el" href="ffs_8h_source.html">ufs/ffs.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="kmalloc_8h_source.html">lib/kmalloc.h</a>></code><br />
<code>#include <<a class="el" href="kpanic_8h_source.html">ubixos/kpanic.h</a>></code><br />
<code>#include <<a class="el" href="string_8h_source.html">string.h</a>></code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for ufs.c:</div>
<div class="dyncontent">
<div class="center"><img src="ufs_8c__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2fs_2ufs_2ufs_8c" alt=""/></div>
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<p><a href="ufs_8c_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ae977f66f7be1f87abd0d0603e3852a06"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#ae977f66f7be1f87abd0d0603e3852a06">DBPERVBLK</a>   (<a class="el" href="include_2vfs_2file_8h.html#adf63a6145c73332883effc7746beffc2">VBLKSIZE</a> / <a class="el" href="include_2vfs_2file_8h.html#a9c8466b6111a11195a5cd2478c648e32">DEV_BSIZE</a>)</td></tr>
<tr class="separator:ae977f66f7be1f87abd0d0603e3852a06"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa5a59d37ee7a73e41be17638269b06a9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#aa5a59d37ee7a73e41be17638269b06a9">DIP</a>(field)   <a class="el" href="structfs.html">fs</a>->fs_magic == <a class="el" href="ufs_8h.html#ace25c7a73c514a8e575e1ba8c15c9a9e">FS_UFS1_MAGIC</a> ? dp1.field : dp2.field</td></tr>
<tr class="separator:aa5a59d37ee7a73e41be17638269b06a9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae4524da6e4d6ec5c11dbe5cf4559adf3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#ae4524da6e4d6ec5c11dbe5cf4559adf3">INDIRPERVBLK</a>(<a class="el" href="structfs.html">fs</a>)   (<a class="el" href="ufs_8h.html#a6d58397786421684bb8db78f01e13ae6">NINDIR</a>(<a class="el" href="structfs.html">fs</a>) / ((<a class="el" href="structfs.html">fs</a>)->fs_bsize >> <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>))</td></tr>
<tr class="separator:ae4524da6e4d6ec5c11dbe5cf4559adf3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b76f991135322a54450c8604038d12b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a1b76f991135322a54450c8604038d12b">INO_TO_VBA</a>(<a class="el" href="structfs.html">fs</a>, ipervblk, x)</td></tr>
<tr class="separator:a1b76f991135322a54450c8604038d12b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:add0c55395013d386f53627b02e0cf27a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#add0c55395013d386f53627b02e0cf27a">INO_TO_VBO</a>(ipervblk, x)   ((x) % ipervblk)</td></tr>
<tr class="separator:add0c55395013d386f53627b02e0cf27a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a093aab4d88e8ac7dacc93d9cb6cc58ee"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a093aab4d88e8ac7dacc93d9cb6cc58ee">INOPB</a>(<a class="el" href="structfs.html">fs</a>)   ((<a class="el" href="structfs.html">fs</a>)->fs_inopb)</td></tr>
<tr class="separator:a093aab4d88e8ac7dacc93d9cb6cc58ee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3fe028b32899dee05ea1b48efb73fe33"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a3fe028b32899dee05ea1b48efb73fe33">IPERVBLK</a>(<a class="el" href="structfs.html">fs</a>)   (<a class="el" href="ufs_2ffs_2fs_8h.html#a093aab4d88e8ac7dacc93d9cb6cc58ee">INOPB</a>(<a class="el" href="structfs.html">fs</a>) / ((<a class="el" href="structfs.html">fs</a>)->fs_bsize >> <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>))</td></tr>
<tr class="separator:a3fe028b32899dee05ea1b48efb73fe33"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8c3f8bc1aebec0e57f9e9a6b2ffa640e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a8c3f8bc1aebec0e57f9e9a6b2ffa640e">VBLKMASK</a>   (<a class="el" href="include_2vfs_2file_8h.html#adf63a6145c73332883effc7746beffc2">VBLKSIZE</a> - 1)</td></tr>
<tr class="separator:a8c3f8bc1aebec0e57f9e9a6b2ffa640e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1f8f4eabaf5119f68bfc6ee1ff715952"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>   12</td></tr>
<tr class="separator:a1f8f4eabaf5119f68bfc6ee1ff715952"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adf63a6145c73332883effc7746beffc2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#adf63a6145c73332883effc7746beffc2">VBLKSIZE</a>   (1 << <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>)</td></tr>
<tr class="separator:adf63a6145c73332883effc7746beffc2"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a349e4b7ceea770cd630e0297b693d59e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a349e4b7ceea770cd630e0297b693d59e">ufs_init</a> ()</td></tr>
<tr class="separator:a349e4b7ceea770cd630e0297b693d59e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac2f26ec05df38049821476d41aeb1038"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#ac2f26ec05df38049821476d41aeb1038">ufs_initialize</a> (struct <a class="el" href="structvfs__mountPoint.html">vfs_mountPoint</a> *mp)</td></tr>
<tr class="separator:ac2f26ec05df38049821476d41aeb1038"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeb87da3578100f42190deb78d191cf65"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#aeb87da3578100f42190deb78d191cf65">ufs_readFile</a> (<a class="el" href="include_2vfs_2file_8h.html#acc7b57f2d3766b4977ebbe64aa38608b">fileDescriptor_t</a> *fd, char *data, <a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> offset, long size)</td></tr>
<tr class="separator:aeb87da3578100f42190deb78d191cf65"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a352e2c889644d8d992445b347d1ffe41"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="ufs_8c.html#a352e2c889644d8d992445b347d1ffe41">ufs_writeFile</a> (<a class="el" href="include_2vfs_2file_8h.html#acc7b57f2d3766b4977ebbe64aa38608b">fileDescriptor_t</a> *fd, char *data, <a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> offset, long size)</td></tr>
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</table>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ae977f66f7be1f87abd0d0603e3852a06"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae977f66f7be1f87abd0d0603e3852a06">◆ </a></span>DBPERVBLK</h2>
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<td class="memname">#define DBPERVBLK   (<a class="el" href="include_2vfs_2file_8h.html#adf63a6145c73332883effc7746beffc2">VBLKSIZE</a> / <a class="el" href="include_2vfs_2file_8h.html#a9c8466b6111a11195a5cd2478c648e32">DEV_BSIZE</a>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00042">42</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="aa5a59d37ee7a73e41be17638269b06a9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa5a59d37ee7a73e41be17638269b06a9">◆ </a></span>DIP</h2>
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<td class="memname">#define DIP</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">field</td><td>)</td>
<td>   <a class="el" href="structfs.html">fs</a>->fs_magic == <a class="el" href="ufs_8h.html#ace25c7a73c514a8e575e1ba8c15c9a9e">FS_UFS1_MAGIC</a> ? dp1.field : dp2.field</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00073">73</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="ae4524da6e4d6ec5c11dbe5cf4559adf3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae4524da6e4d6ec5c11dbe5cf4559adf3">◆ </a></span>INDIRPERVBLK</h2>
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<td class="memname">#define INDIRPERVBLK</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="structfs.html">fs</a></td><td>)</td>
<td>   (<a class="el" href="ufs_8h.html#a6d58397786421684bb8db78f01e13ae6">NINDIR</a>(<a class="el" href="structfs.html">fs</a>) / ((<a class="el" href="structfs.html">fs</a>)->fs_bsize >> <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>))</td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00043">43</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="a1b76f991135322a54450c8604038d12b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1b76f991135322a54450c8604038d12b">◆ </a></span>INO_TO_VBA</h2>
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<td class="memname">#define INO_TO_VBA</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="structfs.html">fs</a>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">ipervblk, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">x </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<b>Value:</b><div class="fragment"><div class="line">(<a class="code" href="ufs_2ffs_2fs_8h.html#ae26526d0ac7505aae7345f0288c17fe6">fsbtodb</a>(<a class="code" href="structfs.html">fs</a>, <a class="code" href="ufs_2ffs_2fs_8h.html#af2bea0d775018173b6e6f5141f09bdd0">cgimin</a>(<a class="code" href="structfs.html">fs</a>, <a class="code" href="ufs_2ffs_2fs_8h.html#a22af882911b5ccb5c744257642089932">ino_to_cg</a>(<a class="code" href="structfs.html">fs</a>, x))) + \</div>
<div class="line"> (((x) % (<a class="code" href="structfs.html">fs</a>)->fs_ipg) / (ipervblk) * <a class="code" href="ufs_8c.html#ae977f66f7be1f87abd0d0603e3852a06">DBPERVBLK</a>))</div>
</div><!-- fragment -->
<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00046">46</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="add0c55395013d386f53627b02e0cf27a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#add0c55395013d386f53627b02e0cf27a">◆ </a></span>INO_TO_VBO</h2>
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<td class="memname">#define INO_TO_VBO</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">ipervblk, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">x </td>
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<td></td>
<td>)</td>
<td></td><td>   ((x) % ipervblk)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00049">49</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="a093aab4d88e8ac7dacc93d9cb6cc58ee"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a093aab4d88e8ac7dacc93d9cb6cc58ee">◆ </a></span>INOPB</h2>
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<td class="memname">#define INOPB</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="structfs.html">fs</a></td><td>)</td>
<td>   ((<a class="el" href="structfs.html">fs</a>)->fs_inopb)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00045">45</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="a3fe028b32899dee05ea1b48efb73fe33"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3fe028b32899dee05ea1b48efb73fe33">◆ </a></span>IPERVBLK</h2>
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<td class="memname">#define IPERVBLK</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="structfs.html">fs</a></td><td>)</td>
<td>   (<a class="el" href="ufs_2ffs_2fs_8h.html#a093aab4d88e8ac7dacc93d9cb6cc58ee">INOPB</a>(<a class="el" href="structfs.html">fs</a>) / ((<a class="el" href="structfs.html">fs</a>)->fs_bsize >> <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>))</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00044">44</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8c3f8bc1aebec0e57f9e9a6b2ffa640e">◆ </a></span>VBLKMASK</h2>
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<td class="memname">#define VBLKMASK   (<a class="el" href="include_2vfs_2file_8h.html#adf63a6145c73332883effc7746beffc2">VBLKSIZE</a> - 1)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00041">41</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1f8f4eabaf5119f68bfc6ee1ff715952">◆ </a></span>VBLKSHIFT</h2>
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<td class="memname">#define VBLKSHIFT   12</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00039">39</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adf63a6145c73332883effc7746beffc2">◆ </a></span>VBLKSIZE</h2>
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<td class="memname">#define VBLKSIZE   (1 << <a class="el" href="include_2vfs_2file_8h.html#a1f8f4eabaf5119f68bfc6ee1ff715952">VBLKSHIFT</a>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00040">40</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a349e4b7ceea770cd630e0297b693d59e">◆ </a></span>ufs_init()</h2>
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<td class="memname">int ufs_init </td>
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<td class="paramname"></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00313">313</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac2f26ec05df38049821476d41aeb1038">◆ </a></span>ufs_initialize()</h2>
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<td class="memname">int ufs_initialize </td>
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<td class="paramtype">struct <a class="el" href="structvfs__mountPoint.html">vfs_mountPoint</a> * </td>
<td class="paramname"><em>mp</em></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00308">308</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aeb87da3578100f42190deb78d191cf65">◆ </a></span>ufs_readFile()</h2>
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<td class="memname">int ufs_readFile </td>
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<td class="paramtype"><a class="el" href="include_2vfs_2file_8h.html#acc7b57f2d3766b4977ebbe64aa38608b">fileDescriptor_t</a> * </td>
<td class="paramname"><em>fd</em>, </td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> </td>
<td class="paramname"><em>offset</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>size</em> </td>
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<td>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00291">291</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
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<a id="a352e2c889644d8d992445b347d1ffe41"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a352e2c889644d8d992445b347d1ffe41">◆ </a></span>ufs_writeFile()</h2>
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<td class="memname">int ufs_writeFile </td>
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<td class="paramtype"><a class="el" href="include_2vfs_2file_8h.html#acc7b57f2d3766b4977ebbe64aa38608b">fileDescriptor_t</a> * </td>
<td class="paramname"><em>fd</em>, </td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> </td>
<td class="paramname"><em>offset</em>, </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>size</em> </td>
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<td>)</td>
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<p class="definition">Definition at line <a class="el" href="ufs_8c_source.html#l00295">295</a> of file <a class="el" href="ufs_8c_source.html">ufs.c</a>.</p>
<p class="reference">References <a class="el" href="kprintf_8c_source.html#l00259">kprintf()</a>.</p>
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<div class="ttc" id="astructfs_html"><div class="ttname"><a href="structfs.html">fs</a></div><div class="ttdef"><b>Definition:</b> <a href="ufs_2ffs_2fs_8h_source.html#l00260">fs.h:260</a></div></div>
<div class="ttc" id="aufs_2ffs_2fs_8h_html_a22af882911b5ccb5c744257642089932"><div class="ttname"><a href="ufs_2ffs_2fs_8h.html#a22af882911b5ccb5c744257642089932">ino_to_cg</a></div><div class="ttdeci">#define ino_to_cg(fs, x)</div><div class="ttdef"><b>Definition:</b> <a href="ufs_2ffs_2fs_8h_source.html#l00545">fs.h:545</a></div></div>
<div class="ttc" id="aufs_8c_html_ae977f66f7be1f87abd0d0603e3852a06"><div class="ttname"><a href="ufs_8c.html#ae977f66f7be1f87abd0d0603e3852a06">DBPERVBLK</a></div><div class="ttdeci">#define DBPERVBLK</div><div class="ttdef"><b>Definition:</b> <a href="ufs_8c_source.html#l00042">ufs.c:42</a></div></div>
<div class="ttc" id="aufs_2ffs_2fs_8h_html_af2bea0d775018173b6e6f5141f09bdd0"><div class="ttname"><a href="ufs_2ffs_2fs_8h.html#af2bea0d775018173b6e6f5141f09bdd0">cgimin</a></div><div class="ttdeci">#define cgimin(fs, c)</div><div class="ttdef"><b>Definition:</b> <a href="ufs_2ffs_2fs_8h_source.html#l00532">fs.h:532</a></div></div>
<div class="ttc" id="aufs_2ffs_2fs_8h_html_ae26526d0ac7505aae7345f0288c17fe6"><div class="ttname"><a href="ufs_2ffs_2fs_8h.html#ae26526d0ac7505aae7345f0288c17fe6">fsbtodb</a></div><div class="ttdeci">#define fsbtodb(fs, b)</div><div class="ttdef"><b>Definition:</b> <a href="ufs_2ffs_2fs_8h_source.html#l00521">fs.h:521</a></div></div>
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