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sys: oplock: refactoring/cleanup

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This commit is contained in:
Bill Zissimopoulos
2016-11-20 14:08:23 -08:00
parent 53f60a698a
commit ce551d4e0d
10 changed files with 169 additions and 86 deletions
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46
src/sys/file.c
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@ -952,20 +952,18 @@ NTSTATUS FspFileNodeCheckBatchOplocksOnAllStreams(
{
DescendantFileNode = DescendantFileNodes[DescendantFileNodeIndex];
if (FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(DescendantFileNode)))
if (FspFileNodeOplockIsBatch(DescendantFileNode))
{
NTSTATUS Result0 = FspCheckOplock(FspFileNodeAddrOfOplock(DescendantFileNode), OplockIrp,
0, 0, 0);
NTSTATUS Result0 = FspFileNodeOplockCheck(DescendantFileNode, OplockIrp);
if (STATUS_SUCCESS != Result0)
Result = STATUS_SHARING_VIOLATION;
else
OplockIrp->IoStatus.Information = FILE_OPBATCH_BREAK_UNDERWAY;
}
else
if (FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(DescendantFileNode)))
if (FspFileNodeOplockIsHandle(DescendantFileNode))
{
NTSTATUS Result0 = FspOplockBreakH(FspFileNodeAddrOfOplock(DescendantFileNode), OplockIrp,
0, 0, 0, 0);
NTSTATUS Result0 = FspFileNodeOplockBreakHandle(DescendantFileNode, OplockIrp, 0);
ASSERT(STATUS_OPLOCK_BREAK_IN_PROGRESS != Result0);
if (STATUS_SUCCESS != Result0)
Result = STATUS_SHARING_VIOLATION;
@ -1118,9 +1116,9 @@ BOOLEAN FspFileNodeRenameCheck(PDEVICE_OBJECT FsvolDeviceObject, PIRP OplockIrp,
DescendantFileNode = (PVOID)((UINT_PTR)DescendantFileNode & ~1);
if (HasOpenHandles)
if (FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(DescendantFileNode)) ||
FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(DescendantFileNode)))
FspCheckOplock(FspFileNodeAddrOfOplock(DescendantFileNode), OplockIrp, 0, 0, 0);
if (FspFileNodeOplockIsBatch(DescendantFileNode) ||
FspFileNodeOplockIsHandle(DescendantFileNode))
FspFileNodeOplockCheck(DescendantFileNode, OplockIrp);
}
FspFsvolDeviceLockContextTable(FsvolDeviceObject);
@ -1978,6 +1976,36 @@ NTSTATUS FspMainFileClose(
return Result;
}
VOID FspFileNodeOplockPrepare(PVOID Context, PIRP Irp)
{
PAGED_CODE();
FSP_IOP_REQUEST_WORK *WorkRoutine = (FSP_IOP_REQUEST_WORK *)(UINT_PTR)
FspFileNodeReleaseForOplock(Context);
NTSTATUS Result;
FSP_FSCTL_STATIC_ASSERT(sizeof(PVOID) == sizeof(VOID (*)(VOID)),
"Data and code pointers must have same size!");
Result = FspWqCreateIrpWorkItem(Irp, WorkRoutine, 0);
if (!NT_SUCCESS(Result))
/*
* Only way to communicate failure is through ExRaiseStatus.
* We will catch it in FspCheckOplock, etc.
*/
ExRaiseStatus(Result);
}
VOID FspFileNodeOplockComplete(PVOID Context, PIRP Irp)
{
PAGED_CODE();
if (STATUS_SUCCESS == Irp->IoStatus.Status)
FspWqPostIrpWorkItem(Irp);
else
FspIopCompleteIrp(Irp, Irp->IoStatus.Status);
}
WCHAR FspFileDescDirectoryPatternMatchAll[] = L"*";
// {904862B4-EB3F-461E-ACB2-4DF2B3FC898B}