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sys: FspIopDispatchRetryComplete()

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This commit is contained in:
Bill Zissimopoulos
2016-01-26 19:52:36 -08:00
parent ffbe13e6d9
commit af5745d5fc
6 changed files with 74 additions and 9 deletions
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24
src/sys/volume.c
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@ -517,7 +517,7 @@ NTSTATUS FspVolumeTransact(
PUINT8 BufferEnd;
FSP_FSCTL_TRANSACT_RSP *Response, *NextResponse;
FSP_FSCTL_TRANSACT_REQ *Request, *PendingIrpRequest;
PIRP ProcessIrp, PendingIrp, RepostedIrp = 0;
PIRP ProcessIrp, PendingIrp, RetriedIrp, RepostedIrp;
LARGE_INTEGER Timeout;
/* process any user-mode file system responses */
@ -539,6 +539,27 @@ NTSTATUS FspVolumeTransact(
Response = NextResponse;
}
/* process any retried IRP's */
RepostedIrp = 0;
for (;;)
{
/* get the next retried IRP, but do not go beyond the first reposted IRP! */
RetriedIrp = FspIoqNextCompleteIrp(FsvolDeviceExtension->Ioq, RepostedIrp);
if (0 == RetriedIrp)
break;
Result = FspIopDispatchRetryComplete(RetriedIrp, FspIrpRequest(RetriedIrp));
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 = RetriedIrp;
}
}
/* were we sent an output buffer? */
if (0 == Irp->MdlAddress)
{
@ -564,6 +585,7 @@ NTSTATUS FspVolumeTransact(
}
/* send any pending IRP's to the user-mode file system */
RepostedIrp = 0;
Request = MdlBuffer;
BufferEnd = (PUINT8)MdlBuffer + OutputBufferLength;
ASSERT(FspFsctlTransactCanProduceRequest(Request, BufferEnd));