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sys: IRP_MJ_DIRECTORY_CONTROL: testing

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This commit is contained in:
Bill Zissimopoulos 2016-03-29 15:27:45 -07:00
parent c53c9bb9cc
commit bd96826286
1 changed files with 30 additions and 3 deletions
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33
src/sys/dirctl.c
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@ -604,7 +604,8 @@ NTSTATUS FspFsvolDirectoryControlComplete(
DirInfoChangeNumber =
(ULONG)(UINT_PTR)FspIopRequestContext(Request, RequestDirInfoChangeNumber);
Success = DEBUGTEST(90, TRUE) && FspFileNodeTryAcquireExclusive(FileNode, Main);
/* acquire FileNode exclusive Full (because we may need to go back to user-mode) */
Success = DEBUGTEST(90, TRUE) && FspFileNodeTryAcquireExclusive(FileNode, Full);
if (!Success)
{
FspIopRetryCompleteIrp(Irp, Response, &Result);
@ -634,9 +635,35 @@ NTSTATUS FspFsvolDirectoryControlComplete(
DirInfoBuffer, DirInfoSize, Buffer, &Length);
}
FspFileNodeRelease(FileNode, Main);
if (NT_SUCCESS(Result) && 0 == Length)
{
/*
* Looks like we have to go back to user-mode!
*/
Irp->IoStatus.Information = Length;
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->DeviceObject;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension =
FspFsvolDeviceExtension(FsvolDeviceObject);
FspFileNodeConvertExclusiveToShared(FileNode, Full);
Request->Kind = FspFsctlTransactQueryDirectoryKind;
FspIopResetRequest(Request, FspFsvolQueryDirectoryRequestFini);
Request->Req.QueryDirectory.Address = 0;
Request->Req.QueryDirectory.Offset = FileDesc->DirectoryOffset;
FspFileNodeSetOwner(FileNode, Full, Request);
FspIopRequestContext(Request, RequestFileNode) = FileNode;
FspIoqPostIrp(FsvolDeviceExtension->Ioq, Irp, &Result);
}
else
{
FspFileNodeRelease(FileNode, Full);
Irp->IoStatus.Information = Length;
}
FSP_LEAVE_IOC("%s%sFileObject=%p",
IRP_MN_QUERY_DIRECTORY == IrpSp->MinorFunction ?