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- Bypass IoSecondStageCompletion for irp's with the flags

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IRP_PAGING_IO or IRP_CLOSE_OPERATION in IofCompleteRequest.

svn path=/trunk/; revision=7366
This commit is contained in:
Hartmut Birr 2003-12-31 14:16:18 +00:00
parent 76706d5835
commit 237c87c4c3
1 changed files with 64 additions and 36 deletions
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100
reactos/ntoskrnl/io/irp.c
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@ -1,4 +1,4 @@
/* $Id: irp.c,v 1.56 2003/12/30 18:52:04 fireball Exp $ /* $Id: irp.c,v 1.57 2003/12/31 14:16:18 hbirr Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -284,42 +284,70 @@ IofCompleteRequest(PIRP Irp,
} }
} }
//Windows NT File System Internals, page 154 if (Irp->Flags & (IRP_PAGING_IO|IRP_CLOSE_OPERATION))
OriginalFileObject = Irp->Tail.Overlay.OriginalFileObject; {
if (Irp->Flags & IRP_PAGING_IO)
if (Irp->PendingReturned || KeGetCurrentIrql() == DISPATCH_LEVEL) {
{ /* FIXME:
BOOLEAN bStatus; * The mdl must be freed by the caller!
*/
DPRINT("Dispatching APC\n"); if (Irp->MdlAddress->MappedSystemVa != NULL)
KeInitializeApc( &Irp->Tail.Apc, {
&Irp->Tail.Overlay.Thread->Tcb, MmUnmapLockedPages(Irp->MdlAddress->MappedSystemVa,
OriginalApcEnvironment, Irp->MdlAddress);
IoSecondStageCompletion,//kernel routine }
NULL, MmUnlockPages(Irp->MdlAddress);
(PKNORMAL_ROUTINE) NULL, ExFreePool(Irp->MdlAddress);
KernelMode, }
OriginalFileObject); if (Irp->UserIosb)
{
bStatus = KeInsertQueueApc(&Irp->Tail.Apc, *Irp->UserIosb = Irp->IoStatus;
(PVOID)Irp, }
(PVOID)(ULONG)PriorityBoost, if (Irp->UserEvent)
PriorityBoost); {
KeSetEvent(Irp->UserEvent, PriorityBoost, FALSE);
if (bStatus == FALSE) }
{ IoFreeIrp(Irp);
DPRINT1("Error queueing APC for thread. Thread has probably exited.\n"); }
}
DPRINT("Finished dispatching APC\n");
}
else else
{ {
DPRINT("Calling IoSecondStageCompletion routine directly\n"); //Windows NT File System Internals, page 154
KeRaiseIrql(APC_LEVEL, &oldIrql); OriginalFileObject = Irp->Tail.Overlay.OriginalFileObject;
IoSecondStageCompletion(NULL,NULL,(PVOID)&OriginalFileObject,(PVOID) &Irp,(PVOID) &PriorityBoost);
KeLowerIrql(oldIrql); if (Irp->PendingReturned || KeGetCurrentIrql() == DISPATCH_LEVEL)
DPRINT("Finished completition routine\n"); {
BOOLEAN bStatus;
DPRINT("Dispatching APC\n");
KeInitializeApc( &Irp->Tail.Apc,
&Irp->Tail.Overlay.Thread->Tcb,
OriginalApcEnvironment,
IoSecondStageCompletion,//kernel routine
NULL,
(PKNORMAL_ROUTINE) NULL,
KernelMode,
OriginalFileObject);
bStatus = KeInsertQueueApc(&Irp->Tail.Apc,
(PVOID)Irp,
(PVOID)(ULONG)PriorityBoost,
PriorityBoost);
if (bStatus == FALSE)
{
DPRINT1("Error queueing APC for thread. Thread has probably exited.\n");
}
DPRINT("Finished dispatching APC\n");
}
else
{
DPRINT("Calling IoSecondStageCompletion routine directly\n");
KeRaiseIrql(APC_LEVEL, &oldIrql);
IoSecondStageCompletion(NULL,NULL,(PVOID)&OriginalFileObject,(PVOID) &Irp,(PVOID) &PriorityBoost);
KeLowerIrql(oldIrql);
DPRINT("Finished completition routine\n");
}
} }
} }