2.4.21 FileIdInformation
This information class is used to query the volume serial number and fileid information for a file.
A FILE_ID_INFORMATION data element, defined as follows, is provided by the server.
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VolumeSerialNumber |
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FileId |
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VolumeSerialNumber (8 bytes): A 64-bit unsigned integer that contains the serial number of the volume where the file is located.
FileId (16 bytes): The 128-bit file ID, as specified in section 2.1.10, of the file. For file systems that do not support a 128-bit file ID, this field MUST be set to 0, and MUST be ignored.
This operation returns a status code as specified in section 2.2. Upon success, the status code returned by the function that processes this file information class is STATUS_SUCCESS. The most common error codes are listed in the following table.
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Error Code |
Meaning |
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STATUS_INFO_LENGTH_MISMATCH 0xC0000004 |
The specified information record length does not match the length that is required for the specified information class. |