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sys: ioq: now includes a dictionary for fast translation of IrpHint to Irp

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This commit is contained in:
Bill Zissimopoulos
2015-12-27 17:49:17 -08:00
parent e3c04e15ba
commit 5fb9953a3a
9 changed files with 243 additions and 120 deletions
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35
src/sys/volume.c
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@ -158,9 +158,18 @@ NTSTATUS FspVolumeCreate(
FsvolDeviceExtension->FsvrtDeviceObject = FsvrtDeviceObject;
FsvolDeviceExtension->VolumeParams = VolumeParams;
RtlCopyUnicodeString(&FsvolDeviceExtension->VolumeName, &VolumeName);
FspDeviceInitComplete(FsvolDeviceObject);
if (0 != FsvrtDeviceObject)
FspDeviceInitComplete(FsvrtDeviceObject);
Result = FspDeviceInitialize(FsvolDeviceObject);
if (NT_SUCCESS(Result))
{
if (0 != FsvrtDeviceObject)
Result = FspDeviceInitialize(FsvrtDeviceObject);
}
if (!NT_SUCCESS(Result))
{
if (0 != FsvrtDeviceObject)
FspDeviceRelease(FsvrtDeviceObject);
FspDeviceRelease(FsvolDeviceObject);
}
/* do we need to register with MUP? */
if (0 == FsvrtDeviceObject)
@ -220,7 +229,7 @@ VOID FspVolumeDelete(
ExAcquireResourceExclusiveLite(&FsvolDeviceExtension->DeleteResource, TRUE);
/* stop the I/O queue */
FspIoqStop(&FsvolDeviceExtension->Ioq);
FspIoqStop(FsvolDeviceExtension->Ioq);
/* do we have a virtual disk device or a MUP handle? */
if (0 != FsvolDeviceExtension->FsvrtDeviceObject)
@ -356,7 +365,7 @@ NTSTATUS FspVolumeMount(
if (FsvolDeviceExtension->FsvrtDeviceObject == FsvrtDeviceObject)
{
ExAcquireResourceExclusiveLite(&FsvolDeviceExtension->DeleteResource, TRUE);
if (!FspIoqStopped(&FsvolDeviceExtension->Ioq))
if (!FspIoqStopped(FsvolDeviceExtension->Ioq))
{
Result = STATUS_SUCCESS;
/* break out of the loop without FspDeviceRelease or DeleteResource release! */
@ -423,7 +432,7 @@ NTSTATUS FspVolumeRedirQueryPathEx(
ExAcquireResourceExclusiveLite(&FsvolDeviceExtension->DeleteResource, TRUE);
Result = STATUS_BAD_NETWORK_PATH;
if (!FspIoqStopped(&FsvolDeviceExtension->Ioq))
if (!FspIoqStopped(FsvolDeviceExtension->Ioq))
{
RtlInitUnicodeString(&Prefix, FsvolDeviceExtension->VolumeParams.Prefix);
if (Prefix.Length <= QueryPathRequest->PathName.Length &&
@ -515,7 +524,7 @@ NTSTATUS FspVolumeTransact(
if (0 == NextResponse)
break;
ProcessIrp = FspIoqEndProcessingIrp(&FsvolDeviceExtension->Ioq, (UINT_PTR)Response->Hint);
ProcessIrp = FspIoqEndProcessingIrp(FsvolDeviceExtension->Ioq, (UINT_PTR)Response->Hint);
if (0 == ProcessIrp)
/* either IRP was canceled or a bogus Hint was provided */
continue;
@ -538,9 +547,9 @@ NTSTATUS FspVolumeTransact(
KeQuerySystemTime(&Timeout);
Timeout.QuadPart += FsvolDeviceExtension->VolumeParams.TransactTimeout * 10000;
/* convert millis to nanos and add to absolute time */
while (0 == (PendingIrp = FspIoqNextPendingIrp(&FsvolDeviceExtension->Ioq, &Timeout)))
while (0 == (PendingIrp = FspIoqNextPendingIrp(FsvolDeviceExtension->Ioq, &Timeout)))
{
if (FspIoqStopped(&FsvolDeviceExtension->Ioq))
if (FspIoqStopped(FsvolDeviceExtension->Ioq))
return STATUS_CANCELLED;
}
if (FspIoqTimeout == PendingIrp)
@ -565,7 +574,7 @@ NTSTATUS FspVolumeTransact(
RtlCopyMemory(Request, PendingIrpRequest, PendingIrpRequest->Size);
Request = FspFsctlTransactProduceRequest(Request, PendingIrpRequest->Size);
if (!FspIoqStartProcessingIrp(&FsvolDeviceExtension->Ioq, PendingIrp))
if (!FspIoqStartProcessingIrp(FsvolDeviceExtension->Ioq, PendingIrp))
{
/*
* This can only happen if the Ioq was stopped. Abandon everything
@ -573,7 +582,7 @@ NTSTATUS FspVolumeTransact(
* queues of the Ioq will be cancelled during FspIoqStop(). We must
* also cancel the PendingIrp we have in our hands.
*/
ASSERT(FspIoqStopped(&FsvolDeviceExtension->Ioq));
ASSERT(FspIoqStopped(FsvolDeviceExtension->Ioq));
FspIopCompleteIrp(PendingIrp, STATUS_CANCELLED);
return STATUS_CANCELLED;
}
@ -583,7 +592,7 @@ NTSTATUS FspVolumeTransact(
break;
}
PendingIrp = FspIoqNextPendingIrp(&FsvolDeviceExtension->Ioq, 0);
PendingIrp = FspIoqNextPendingIrp(FsvolDeviceExtension->Ioq, 0);
if (0 == PendingIrp)
break;
}
@ -619,7 +628,7 @@ NTSTATUS FspVolumeWork(
* so that we can disassociate the Request on failure and release ownership
* back to the caller.
*/
if (!FspIoqPostIrp(&FsvolDeviceExtension->Ioq, Irp, &Result))
if (!FspIoqPostIrp(FsvolDeviceExtension->Ioq, Irp, &Result))
{
Request->Hint = 0;
FspIrpRequest(Irp) = 0;