<div class="content"><p>The <b>CprepDiskGetFSName</b> method returns the name of the
file system on a given partition on a given disk.</p><dl>
<dd>
<div><pre> HRESULT CprepDiskGetFSName(
   [in] CPREP_DISKID DiskId,
   [in] unsigned long Partition,
   [out] wchar_t FsName[100]
 );
</pre></div>
</dd></dl><p><b>DiskId: </b>The identifier of the <b>ClusPrepDisk</b>
representing the disk.</p><p><b>Partition: </b>The partition number of the
partition associated with the volume to query for file system information.</p><p><b>FsName: </b>A null-terminated output string that
contains the name of the file system. The value MUST be &#34;NTFS&#34; if the
partition has the NTFS file system. The value MUST be &#34;FAT&#34; for the
file allocation table (FAT) file system. No file system and unrecognized file
systems MUST be &#34;RAW&#34;. Other values can be used for file systems not
specified here.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>&#34;NTFS&#34;</p>
  </td>
  <td>
  <p>The partition file system is NTFS.</p>
  </td>
 </tr><tr>
  <td>
  <p>&#34;FAT&#34;</p>
  </td>
  <td>
  <p>The partition file system is FAT.</p>
  </td>
 </tr><tr>
  <td>
  <p>&#34;RAW&#34;</p>
  </td>
  <td>
  <p>There is no partition file system, or it is
  unrecognized.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>Return Values: </b>A signed 32-bit value that
indicates return status. If the method returns a negative value, it has failed.
Zero or positive values indicate success, with the lower 16 bits in positive
nonzero values containing warnings or flags defined in the method
implementation. For more information about Win32 error codes and <a href="../ms-dtyp/a9046ed2-bfb2-4d56-a719-2824afce59ac" data-linktype="relative-path">HRESULT</a>
values, see <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>
sections <a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a>
and <a href="../ms-erref/0642cb2f-2075-4469-918c-4441e69c548a" data-linktype="relative-path">2.1</a>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x00000000</p>
  <p>S_OK</p>
  </td>
  <td>
  <p>The call was successful.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80070002</p>
  <p>ERROR_FILE_NOT_FOUND</p>
  </td>
  <td>
  <p>The disk was not found or <i>ulPartition</i> cannot be
  mapped to a volume.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x8007139F</p>
  <p>ERROR_INVALID_STATE</p>
  </td>
  <td>
  <p>The <b>ClusPrepDisk.OnlineState</b> is not equal to
  Online.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80070548</p>
  <p>ERROR_INVALID_SERVER_STATE</p>
  </td>
  <td>
  <p>The server&#39;s <b>Prepare State</b> is not Online.</p>
  </td>
 </tr></tbody></table>
</dd>
<dd>
<p>For any other condition, this method MUST return a
value that is not one of the values listed in the preceding table. The client
MUST behave in one consistent, identical manner for all values that are not
listed in the preceding table.</p>
</dd></dl><p>Exceptions Thrown: No exceptions are thrown beyond those
thrown by the underlying RPC protocol <a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a>.</p><p>The opnum field value for this method is 36.</p><p>When processing this call, the server MUST do the following:</p><ul><li><p><span><span> 
</span></span>Obtain the <b>ClusPrepDisk</b> identified by the <i>DiskId</i>
parameter as specified in section <a href="c17ce220-d244-45c9-95c0-4c31942253ee" data-linktype="relative-path">3.2.4</a>.</p>
</li><li><p><span><span> 
</span></span>Verify that the <b>ClusPrepDisk.OnlineState</b> is Online as
specified in section 3.2.4.</p>
</li><li><p><span><span> 
</span></span>Map <i>ulPartition</i> to the corresponding volume as specified
in section 3.2.4.</p>
</li><li><p><span><span> 
</span></span>Determine the file system on the given partition on the given
disk.</p>
</li><li><p><span><span> 
</span></span>Place the name of the file system in the <i>FsName</i> buffer.</p>
</li></ul><p>The server returns the following information to the client:</p><ul><li><p><span><span> 
</span></span>The name of the file system.</p>
</li></ul></div>