Merge 16858 from trunk:
Properly propagate the SL_PENDING_RETURNED flag to stack locations in IofCompleteRequest and fix the priority boost for master IRPs.

Modified: branches/ros-branch-0_2_7/reactos/ntoskrnl/io/irp.c

--- branches/ros-branch-0_2_7/reactos/ntoskrnl/io/irp.c	2005-08-03 17:17:57 UTC (rev 17019)
+++ branches/ros-branch-0_2_7/reactos/ntoskrnl/io/irp.c	2005-08-03 17:18:54 UTC (rev 17020)
@@ -1158,10 +1158,7 @@

         {
             if ((Irp->CurrentLocation <= Irp->StackCount) && (Irp->PendingReturned))
             {

-                if (IoGetCurrentIrpStackLocation(Irp)->Control & SL_PENDING_RETURNED)
-                {
-                    Irp->PendingReturned = TRUE;
-                }

+                IoMarkIrpPending(Irp);

             }
         }
 
@@ -1191,7 +1188,7 @@

         IoFreeIrp(Irp);
 
         /* Complete the Master IRP */

-        if (!MasterIrpCount) IofCompleteRequest(MasterIrp, IO_NO_INCREMENT);

+        if (!MasterIrpCount) IofCompleteRequest(MasterIrp, PriorityBoost);

         return;
     }
 
@@ -1219,12 +1216,10 @@

         }
         else
         {

-            DPRINT1("BUG BUG, YOU SHOULDNT BE HERE\n");
-            #if 0

+#if 0

             /* Page 166 */

-            /* When we'll actually support Async Paging I/O Properly... */

             KeInitializeApc(&Irp->Tail.Apc

-                            &Irp->tail.Overlay.Thread->Tcb,

+                            &Irp->Tail.Overlay.Thread->Tcb,

                             Irp->ApcEnvironment,
                             IopCompletePageWrite,
                             NULL,
@@ -1235,7 +1230,10 @@

                              NULL,
                              NULL,
                              PriorityBoost);

-            #endif

+#else
+            /* Not implemented yet. */
+            ASSERT(FALSE);
+#endif

         }
         return;
     }