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sys: FspIopRetryPrepareIrp()

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This commit is contained in:
Bill Zissimopoulos 2016-01-27 16:57:48 -08:00
parent dde82a1081
commit b2e6ec0f44
4 changed files with 16 additions and 5 deletions
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7
src/sys/create.c
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@ -405,13 +405,10 @@ NTSTATUS FspFsvolCreatePrepare(
FileObject = FspIopRequestContext(Request, RequestFileObject); FileObject = FspIopRequestContext(Request, RequestFileObject);
/* lock the FileNode for overwriting */ /* lock the FileNode for overwriting */
Success = FspFileNodeTryAcquireExclusive(FileNode, Both); Success = DEBUGRANDTEST(90, TRUE) && FspFileNodeTryAcquireExclusive(FileNode, Both);
if (!Success) if (!Success)
{ {
/* repost the IRP to retry later */ FspIopRetryPrepareIrp(Irp, &Result);
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(IrpSp->DeviceObject);
FspIoqPostIrpBestEffort(FsvolDeviceExtension->Ioq, Irp, &Result);
return Result; return Result;
} }

1
src/sys/driver.h
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@ -424,6 +424,7 @@ NTSTATUS FspIopPostWorkRequestFunnel(PDEVICE_OBJECT DeviceObject,
FSP_FSCTL_TRANSACT_REQ *Request, BOOLEAN BestEffort); FSP_FSCTL_TRANSACT_REQ *Request, BOOLEAN BestEffort);
VOID FspIopCompleteIrpEx(PIRP Irp, NTSTATUS Result, BOOLEAN DeviceDereference); VOID FspIopCompleteIrpEx(PIRP Irp, NTSTATUS Result, BOOLEAN DeviceDereference);
VOID FspIopCompleteCanceledIrp(PIRP Irp); VOID FspIopCompleteCanceledIrp(PIRP Irp);
BOOLEAN FspIopRetryPrepareIrp(PIRP Irp, NTSTATUS *PResult);
BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult); BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult);
FSP_FSCTL_TRANSACT_RSP *FspIopIrpResponse(PIRP Irp); FSP_FSCTL_TRANSACT_RSP *FspIopIrpResponse(PIRP Irp);
NTSTATUS FspIopDispatchPrepare(PIRP Irp, FSP_FSCTL_TRANSACT_REQ *Request); NTSTATUS FspIopDispatchPrepare(PIRP Irp, FSP_FSCTL_TRANSACT_REQ *Request);

1
src/sys/fileinfo.c
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@ -562,6 +562,7 @@ NTSTATUS FspFsvolQueryInformationComplete(
ASSERT(FSP_STATUS_IOQ_POST != Result); ASSERT(FSP_STATUS_IOQ_POST != Result);
if (STATUS_PENDING != Result)
Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer); Irp->IoStatus.Information = (UINT_PTR)((PUINT8)Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
FSP_LEAVE_IOC("%s, FileObject=%p", FSP_LEAVE_IOC("%s, FileObject=%p",

12
src/sys/iop.c
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@ -18,6 +18,7 @@ NTSTATUS FspIopPostWorkRequestFunnel(PDEVICE_OBJECT DeviceObject,
static IO_COMPLETION_ROUTINE FspIopPostWorkRequestCompletion; static IO_COMPLETION_ROUTINE FspIopPostWorkRequestCompletion;
VOID FspIopCompleteIrpEx(PIRP Irp, NTSTATUS Result, BOOLEAN DeviceDereference); VOID FspIopCompleteIrpEx(PIRP Irp, NTSTATUS Result, BOOLEAN DeviceDereference);
VOID FspIopCompleteCanceledIrp(PIRP Irp); VOID FspIopCompleteCanceledIrp(PIRP Irp);
BOOLEAN FspIopRetryPrepareIrp(PIRP Irp, NTSTATUS *PResult);
BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult); BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult);
FSP_FSCTL_TRANSACT_RSP *FspIopIrpResponse(PIRP Irp); FSP_FSCTL_TRANSACT_RSP *FspIopIrpResponse(PIRP Irp);
NTSTATUS FspIopDispatchPrepare(PIRP Irp, FSP_FSCTL_TRANSACT_REQ *Request); NTSTATUS FspIopDispatchPrepare(PIRP Irp, FSP_FSCTL_TRANSACT_REQ *Request);
@ -31,6 +32,7 @@ NTSTATUS FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response
#pragma alloc_text(PAGE, FspIopPostWorkRequestFunnel) #pragma alloc_text(PAGE, FspIopPostWorkRequestFunnel)
#pragma alloc_text(PAGE, FspIopCompleteIrpEx) #pragma alloc_text(PAGE, FspIopCompleteIrpEx)
#pragma alloc_text(PAGE, FspIopCompleteCanceledIrp) #pragma alloc_text(PAGE, FspIopCompleteCanceledIrp)
#pragma alloc_text(PAGE, FspIopRetryPrepareIrp)
#pragma alloc_text(PAGE, FspIopRetryCompleteIrp) #pragma alloc_text(PAGE, FspIopRetryCompleteIrp)
#pragma alloc_text(PAGE, FspIopIrpResponse) #pragma alloc_text(PAGE, FspIopIrpResponse)
#pragma alloc_text(PAGE, FspIopDispatchPrepare) #pragma alloc_text(PAGE, FspIopDispatchPrepare)
@ -266,6 +268,16 @@ VOID FspIopCompleteCanceledIrp(PIRP Irp)
FspIopCompleteIrpEx(Irp, STATUS_CANCELLED, TRUE); FspIopCompleteIrpEx(Irp, STATUS_CANCELLED, TRUE);
} }
BOOLEAN FspIopRetryPrepareIrp(PIRP Irp, NTSTATUS *PResult)
{
PAGED_CODE();
PDEVICE_OBJECT DeviceObject = IoGetCurrentIrpStackLocation(Irp)->DeviceObject;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
return FspIoqPostIrpBestEffort(FsvolDeviceExtension->Ioq, Irp, PResult);
}
BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult) BOOLEAN FspIopRetryCompleteIrp(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response, NTSTATUS *PResult)
{ {
PAGED_CODE(); PAGED_CODE();