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diff --git a/private/ntos/bowser/fspdisp.h b/private/ntos/bowser/fspdisp.h
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+/*++
+
+Copyright (c) 1990 Microsoft Corporation
+
+Module Name:
+
+    fspdisp.h
+
+Abstract:
+
+    This module defines the data structures and routines used for the FSP
+    dispatching code.
+
+
+Author:
+
+    Larry Osterman (LarryO) 13-Aug-1990
+
+Revision History:
+
+    13-Aug-1990 LarryO
+
+        Created
+
+--*/
+#ifndef _FSPDISP_
+#define _FSPDISP_
+
+
+//
+// Define communications data area between FSD and FSP.  This is done through
+// the use of a Device Object.  This model allows one device object to be
+// created for each volume that is/has been mounted in the system.  That is,
+// each time a volume is mounted, the file system creates a device object to
+// represent it so that the I/O system can vector directly to the proper file
+// system.  The file system then uses information in the device object and in
+// the file object to locate and synchronize access to its database of open
+// file data structures (often called File Control Blocks - or, FCBs), Volume
+// Control Blocks (VCBs), Map Control Blocks (MCBs), etc.
+//
+// The event and spinlock will be used to control access to the queue of IRPs.
+// The IRPs are passed from the FSD to the FSP by inserting them onto the work
+// queue in an interlocked manner and then setting the event to the Signaled
+// state.  The event is an autoclearing type so the FSP simply wakes up when
+// the event is Signaled and begins processing entries in the queue.
+//
+// Other data in this record should contain any information which both the FSD
+// and the FSP need to share.  For example, a list of all of the open files
+// might be something that both should be able to see.  Notice that all data
+// placed in this area must be allocated from paged or non-paged pool.
+//
+
+typedef struct _BOWSER_FS_DEVICE_OBJECT {
+    DEVICE_OBJECT DeviceObject;
+
+} BOWSER_FS_DEVICE_OBJECT, *PBOWSER_FS_DEVICE_OBJECT;
+
+
+NTSTATUS
+BowserpInitializeFsp(
+    PDRIVER_OBJECT BowserDriverObject
+    );
+
+VOID
+BowserpUninitializeFsp (
+    VOID
+    );
+
+VOID
+BowserWorkerDispatch (
+    PVOID Context
+    );
+
+NTSTATUS
+BowserFsdPostToFsp(
+    IN PBOWSER_FS_DEVICE_OBJECT DeviceObject,
+    IN PIRP Irp
+    );
+
+NTSTATUS
+BowserFspQueryInformationFile (
+    IN PBOWSER_FS_DEVICE_OBJECT DeviceObject,
+    IN PIRP Irp
+    );
+
+NTSTATUS
+BowserFspQueryVolumeInformationFile (
+    IN PBOWSER_FS_DEVICE_OBJECT DeviceObject,
+    IN PIRP Irp
+    );
+
+NTSTATUS
+BowserFspDeviceIoControlFile (
+    IN PBOWSER_FS_DEVICE_OBJECT DeviceObject,
+    IN PIRP Irp
+    );
+
+VOID
+BowserIdleTimer (
+    IN PDEVICE_OBJECT DeviceObject,
+    IN PVOID Context
+    );
+
+#endif  // _FSPDISP_