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sys: FspIoqNextPendingIrp: add BoundaryIrp parameter

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This commit is contained in:
Bill Zissimopoulos
2016-01-05 17:10:44 -08:00
parent 164b48f453
commit 9b93df1788
3 changed files with 21 additions and 7 deletions
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18
src/sys/volume.c
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@ -510,7 +510,7 @@ NTSTATUS FspVolumeTransact(
PUINT8 BufferEnd;
FSP_FSCTL_TRANSACT_RSP *Response, *NextResponse;
FSP_FSCTL_TRANSACT_REQ *Request, *PendingIrpRequest;
PIRP ProcessIrp, PendingIrp;
PIRP ProcessIrp, PendingIrp, RepostedIrp = 0;
LARGE_INTEGER Timeout;
/* process any user-mode file system responses */
@ -545,7 +545,7 @@ 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, 0, &Timeout)))
{
if (FspIoqStopped(FsvolDeviceExtension->Ioq))
return STATUS_CANCELLED;
@ -565,7 +565,16 @@ NTSTATUS FspVolumeTransact(
PendingIrpRequest = FspIrpRequest(PendingIrp);
Result = FspIopDispatchPrepare(PendingIrp, PendingIrpRequest);
if (!NT_SUCCESS(Result))
if (STATUS_PENDING == Result)
{
/*
* The IRP has been reposted to our Ioq. Remember the first such IRP,
* so that we know to break the loop if we see it again.
*/
if (0 == RepostedIrp)
RepostedIrp = PendingIrp;
}
else if (!NT_SUCCESS(Result))
FspIopCompleteIrp(PendingIrp, Result);
else
{
@ -590,7 +599,8 @@ NTSTATUS FspVolumeTransact(
break;
}
PendingIrp = FspIoqNextPendingIrp(FsvolDeviceExtension->Ioq, 0);
/* get the next pending IRP, but do not go beyond the first reposted IRP! */
PendingIrp = FspIoqNextPendingIrp(FsvolDeviceExtension->Ioq, RepostedIrp, 0);
if (0 == PendingIrp)
break;
}