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sys: oplock testing

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This commit is contained in:
Bill Zissimopoulos
2016-11-14 20:36:51 -08:00
parent 6a48087d5f
commit 959d8537c6
6 changed files with 37 additions and 22 deletions
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33
src/sys/create.c
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@ -649,7 +649,8 @@ NTSTATUS FspFsvolCreateComplete(
/* did the user-mode file system sent us a failure code? */
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = 0;
Irp->IoStatus.Information = STATUS_SHARING_VIOLATION == Response->IoStatus.Status ?
Response->IoStatus.Information : 0;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
@ -842,8 +843,10 @@ NTSTATUS FspFsvolCreateComplete(
{
if (STATUS_SHARING_VIOLATION == Result)
{
ASSERT(0 != OpenedFileNode);
FspIopSetIrpResponse(Irp, Response);
FspIopRequestContext(Request, FspIopRequestExtraContext) = FileNode;
FspIopRequestContext(Request, FspIopRequestExtraContext) = OpenedFileNode;
Result = FspFsvolCreateSharingViolationOplock(
FsvolDeviceObject, Irp, IrpSp, FALSE);
@ -1240,13 +1243,13 @@ static NTSTATUS FspFsvolCreateSharingViolationOplock(
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
FSP_FSCTL_TRANSACT_RSP *Response;
FSP_FILE_NODE *FileNode = FspIopRequestContext(Request, FspIopRequestExtraContext);
FSP_FILE_NODE *ExtraFileNode = FspIopRequestContext(Request, FspIopRequestExtraContext);
BOOLEAN OpbatchBreakUnderway = FALSE;
NTSTATUS Result;
BOOLEAN Success;
Success = DEBUGTEST(90) &&
FspFileNodeTryAcquireSharedF(FileNode, FspFileNodeAcquireMain, CanWait);
FspFileNodeTryAcquireSharedF(ExtraFileNode, FspFileNodeAcquireMain, CanWait);
if (!Success)
return FspWqRepostIrpWorkItem(Irp,
FspFsvolCreateSharingViolationOplock, FspFsvolCreateRequestFini);
@ -1257,11 +1260,11 @@ static NTSTATUS FspFsvolCreateSharingViolationOplock(
* If there is no batch or CACHE_HANDLE_LEVEL oplock we are done;
* else retry in a worker thread to break the oplocks.
*/
Success = !FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(FileNode)) &&
Success = !FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(ExtraFileNode)) &&
(FlagOn(IrpSp->Parameters.Create.Options, FILE_COMPLETE_IF_OPLOCKED) ||
!FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(FileNode)));
!FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(ExtraFileNode)));
FspFileNodeRelease(FileNode, Main);
FspFileNodeRelease(ExtraFileNode, Main);
if (!Success)
return FspWqRepostIrpWorkItem(Irp,
@ -1274,7 +1277,7 @@ static NTSTATUS FspFsvolCreateSharingViolationOplock(
{
#if 0
/* ???: is this needed in this case? */
Result = FspCheckOplockEx(FspFileNodeAddrOfOplock(FileNode), Irp,
Result = FspCheckOplockEx(FspFileNodeAddrOfOplock(ExtraFileNode), Irp,
OPLOCK_FLAG_OPLOCK_KEY_CHECK_ONLY, 0, 0, 0);
if (!NT_SUCCESS(Result))
{
@ -1283,10 +1286,10 @@ static NTSTATUS FspFsvolCreateSharingViolationOplock(
}
#endif
if (FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(FileNode)))
if (FsRtlCurrentBatchOplock(FspFileNodeAddrOfOplock(ExtraFileNode)))
{
/* wait for batch oplock break to complete */
Result = FspCheckOplock(FspFileNodeAddrOfOplock(FileNode), Irp,
Result = FspCheckOplock(FspFileNodeAddrOfOplock(ExtraFileNode), Irp,
0, 0, 0);
if (STATUS_SUCCESS == Result)
OpbatchBreakUnderway = TRUE;
@ -1295,24 +1298,24 @@ static NTSTATUS FspFsvolCreateSharingViolationOplock(
Result = STATUS_SHARING_VIOLATION;
if (!FlagOn(IrpSp->Parameters.Create.Options, FILE_COMPLETE_IF_OPLOCKED) &&
FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(FileNode)))
FsRtlCurrentOplockH(FspFileNodeAddrOfOplock(ExtraFileNode)))
{
/* wait for CACHE_HANDLE_LEVEL oplock break to complete */
Result = FspOplockBreakH(FspFileNodeAddrOfOplock(FileNode), Irp,
Result = FspOplockBreakH(FspFileNodeAddrOfOplock(ExtraFileNode), Irp,
0, 0, 0, 0);
}
#if 0
exit:
#endif
FspFileNodeRelease(FileNode, Main);
FspFileNodeRelease(ExtraFileNode, Main);
Response = FspIopIrpResponse(Irp);
if (NT_SUCCESS(Result))
{
FspFileNodeClose(FileNode, 0, TRUE);
FspFileNodeDereference(FileNode);
FspFileNodeClose(ExtraFileNode, 0, TRUE);
FspFileNodeDereference(ExtraFileNode);
FspIopRequestContext(Request, FspIopRequestExtraContext) = 0;
}
else