2.1.5.13 Server Requests a Query of File System Information
The server provides:
Open: An Open of a DataFile or DirectoryFile.
OutputBufferSize: The maximum number of bytes to be returned in OutputBuffer.
FsInformationClass: The type of information being queried, as specified in [MS-FSCC] section 2.5.
On completion, the object store MUST return:
Status: An NTSTATUS code that specifies the result.
OutputBuffer: An array of bytes containing the file system information. The structure of these bytes is dependent on FsInformationClass, as noted in the relevant subsection.
ByteCount: The number of bytes stored in OutputBuffer.
Pseudocode for the operation is as follows:
If FsInformationClass is not defined in [MS-FSCC] section 2.5, the operation MUST be failed with STATUS_INVALID_PARAMETER.