2.5.5 FileFsLabelInformation
This information class is used locally to set the label for a file system volume.
A FILE_FS_LABEL_INFORMATION data element, defined as follows, is provided by the caller.
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VolumeLabelLength |
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VolumeLabel (variable) |
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VolumeLabelLength (4 bytes): A 32-bit unsigned integer that contains the length, in bytes, including the trailing null, if present, of the name for the volume.<149>
VolumeLabel (variable): A variable-length Unicode field containing the name of the volume. The content of this field can be a null-terminated string, or it can be a string padded with the space character to be VolumeLabelLength bytes long.
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 system 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. |