[ros-diffs] [pschweitzer] 38523: - Implemeted Io(p)GetRelatedTargetDevice - Fixed FsRtlNotifyVolumeEvent

Author: pschweitzer
Date: Sat Jan  3 03:35:10 2009
New Revision: 38523

URL: http://svn.reactos.org/svn/reactos?rev=38523&view=rev
Log:
- Implemeted Io(p)GetRelatedTargetDevice
- Fixed FsRtlNotifyVolumeEvent

Modified:
    branches/pierre-fsd/ntoskrnl/fsrtl/pnp.c
    branches/pierre-fsd/ntoskrnl/include/internal/io.h
    branches/pierre-fsd/ntoskrnl/io/iomgr/device.c

Modified: branches/pierre-fsd/ntoskrnl/fsrtl/pnp.c
URL:
http://svn.reactos.org/svn/reactos/branches/pierre-fsd/ntoskrnl/fsrtl/pnp.c…
==============================================================================
--- branches/pierre-fsd/ntoskrnl/fsrtl/pnp.c [iso-8859-1] (original)
+++ branches/pierre-fsd/ntoskrnl/fsrtl/pnp.c [iso-8859-1] Sat Jan  3 03:35:10 2009
@@ -43,8 +43,7 @@
     PDEVICE_OBJECT DeviceObject = NULL;
     TARGET_DEVICE_CUSTOM_NOTIFICATION Notification;
 
-    /* FIXME: We should call IoGetRelatedTargetDevice here */
-    DeviceObject = IoGetRelatedDeviceObject(FileObject);
+    IoGetRelatedTargetDevice(FileObject, &DeviceObject);
     if (DeviceObject)
     {
         Notification.Version = 1;

Modified: branches/pierre-fsd/ntoskrnl/include/internal/io.h
URL:
http://svn.reactos.org/svn/reactos/branches/pierre-fsd/ntoskrnl/include/int…
==============================================================================
--- branches/pierre-fsd/ntoskrnl/include/internal/io.h [iso-8859-1] (original)
+++ branches/pierre-fsd/ntoskrnl/include/internal/io.h [iso-8859-1] Sat Jan  3 03:35:10
2009
@@ -669,6 +669,12 @@
     IN BOOLEAN ForceUnload
 );
 
+NTSTATUS
+NTAPI
+IoGetRelatedTargetDevice(IN PFILE_OBJECT FileObject,
+                         OUT PDEVICE_OBJECT *DeviceObject
+);
+
 //
 // IRP Routines
 //

Modified: branches/pierre-fsd/ntoskrnl/io/iomgr/device.c
URL:
http://svn.reactos.org/svn/reactos/branches/pierre-fsd/ntoskrnl/io/iomgr/de…
==============================================================================
--- branches/pierre-fsd/ntoskrnl/io/iomgr/device.c [iso-8859-1] (original)
+++ branches/pierre-fsd/ntoskrnl/io/iomgr/device.c [iso-8859-1] Sat Jan  3 03:35:10 2009
@@ -552,6 +552,49 @@
     }
 }
 
+NTSTATUS
+NTAPI
+IopGetRelatedTargetDevice(IN PFILE_OBJECT FileObject,
+                          OUT PDEVICE_NODE *DeviceNode)
+{
+    NTSTATUS Status;
+    IO_STACK_LOCATION Stack;
+    IO_STATUS_BLOCK IoStatusBlock;
+    PDEVICE_RELATIONS DeviceRelations;
+    PDEVICE_OBJECT DeviceObject = NULL;
+
+    ASSERT(FileObject);
+
+    /* Get DeviceObject related to given FileObject */
+    DeviceObject = IoGetRelatedDeviceObject(FileObject);
+    if (!DeviceObject)
+    {
+        return STATUS_NO_SUCH_DEVICE;
+    }
+
+    /* Call the driver to query all the relations (IRP_MJ_PNP) */
+    Status = IopInitiatePnpIrp(DeviceObject, &IoStatusBlock,
+                               IRP_MN_QUERY_DEVICE_RELATIONS, &Stack);
+    if (NT_SUCCESS(Status))
+    {
+        DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+        ASSERT(DeviceRelations);
+        ASSERT(DeviceRelations->Count == 1);
+
+        /* We finally get the device node */
+        *DeviceNode =
(PDEVICE_NODE)((PEXTENDED_DEVOBJ_EXTENSION)DeviceRelations->Objects[0]->DeviceObjectExtension)->DeviceNode;
+        if (!*DeviceNode)
+        {
+            Status = STATUS_NO_SUCH_DEVICE;
+        }
+
+        /* Free the DEVICE_RELATIONS structure, we don't need it anymore */
+        ExFreePool(DeviceRelations);
+    }
+
+    return Status;
+}
+
 /* PUBLIC FUNCTIONS ***********************************************************/
 
 /*
@@ -1205,6 +1248,26 @@
 
     /* Return the DO we found */
     return DeviceObject;
+}
+
+/*
+ * @implemented
+ */
+NTSTATUS
+NTAPI
+IoGetRelatedTargetDevice(IN PFILE_OBJECT FileObject,
+                         OUT PDEVICE_OBJECT *DeviceObject)
+{
+    NTSTATUS Status;
+    PDEVICE_NODE DeviceNode = NULL;
+
+    /* We call the internal function to do all the work */
+    Status = IopGetRelatedTargetDevice(FileObject, &DeviceNode);
+    if (NT_SUCCESS(Status) && DeviceNode)
+    {
+        *DeviceObject = DeviceNode->PhysicalDeviceObject;
+    }
+    return Status;
 }
 
 /*