sys: IRP_MJ_SET_INFORMATION

inc/winfsp/fsctl.h

@@ -184,6 +184,19 @@ typedef struct
             UINT64 UserContext;
             UINT64 UserContext2;
         } QueryInformation;
+        struct
+        {
+            UINT64 UserContext;
+            UINT64 UserContext2;
+            UINT32 FileInformationClass;
+            union
+            {
+                struct
+                {
+                    UINT64 AllocationSize;
+                } Allocation;
+            } Info;
+        } SetInformation;
     } Req;
     FSP_FSCTL_TRANSACT_BUF FileName;
     FSP_FSCTL_DECLSPEC_ALIGN UINT8 Buffer[];
@@ -226,6 +239,10 @@ typedef struct
             FSP_FSCTL_FILE_INFO FileInfo;
         } QueryInformation;
         struct
+        {
+            FSP_FSCTL_FILE_INFO FileInfo;
+        } SetInformation;
+        struct
         {
             FSP_FSCTL_VOLUME_INFO VolumeInfo;
         } QueryVolumeInformation;

src/sys/create.c

@@ -692,7 +692,8 @@ VOID FspFsvolCreateComplete(
         /* file was successfully overwritten/superseded */
         FileNode->Header.AllocationSize.QuadPart = Response->Rsp.Overwrite.FileInfo.AllocationSize;
         FileNode->Header.FileSize.QuadPart = Response->Rsp.Overwrite.FileInfo.FileSize;
-        CcSetFileSizes(FileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
+        FileNode->CcStatus = FspCcSetFileSizes(
+            FileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
 
         FspFileNodeRelease(FileNode, Both);
 

src/sys/driver.h

@@ -321,8 +321,9 @@ ULONG FspHashMixPointer(PVOID Pointer)
 #endif
 }
 
-/* utility: GUIDs */
+/* utility */
 NTSTATUS FspCreateGuid(GUID *Guid);
+NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes);
 
 /* utility: synchronous work queue */
 typedef struct
@@ -565,6 +566,8 @@ typedef struct
         UINT32 DeleteOnClose:1;
         UINT32 DeletePending:1;
     } Flags;
+    /* locked under same rules as Header.AllocationSize/FileSize */
+    NTSTATUS CcStatus;
     /* read-only after creation (and insertion in the ContextTable) */
     PDEVICE_OBJECT FsvolDeviceObject;
     UINT64 UserContext;
@@ -598,11 +601,11 @@ VOID FspFileNodeDereference(FSP_FILE_NODE *FileNode)
     if (0 == RefCount)
         FspFileNodeDelete(FileNode);
 }
-VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
-BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
+BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
-VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
-BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
+BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
-VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags);
 FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
     UINT32 GrantedAccess, UINT32 ShareAccess, BOOLEAN DeleteOnClose, NTSTATUS *PResult);
 VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
@@ -612,11 +615,11 @@ BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *
 VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, const FSP_FSCTL_FILE_INFO *FileInfo);
 NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
 VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
-#define FspFileNodeAcquireShared(N,F)   FspFileNodeAcquireShared(N, FspFileNodeAcquire ## F)
+#define FspFileNodeAcquireShared(N,F)   FspFileNodeAcquireSharedF(N, FspFileNodeAcquire ## F)
-#define FspFileNodeTryAcquireShared(N,F)    FspFileNodeTryAcquireShared(N, FspFileNodeAcquire ## F)
+#define FspFileNodeTryAcquireShared(N,F)    FspFileNodeTryAcquireSharedF(N, FspFileNodeAcquire ## F)
-#define FspFileNodeAcquireExclusive(N,F)    FspFileNodeAcquireExclusive(N, FspFileNodeAcquire ## F)
+#define FspFileNodeAcquireExclusive(N,F)    FspFileNodeAcquireExclusiveF(N, FspFileNodeAcquire ## F)
-#define FspFileNodeTryAcquireExclusive(N,F) FspFileNodeTryAcquireExclusive(N, FspFileNodeAcquire ## F)
+#define FspFileNodeTryAcquireExclusive(N,F) FspFileNodeTryAcquireExclusiveF(N, FspFileNodeAcquire ## F)
-#define FspFileNodeRelease(N,F)         FspFileNodeRelease(N, FspFileNodeAcquire ## F)
+#define FspFileNodeRelease(N,F)         FspFileNodeReleaseF(N, FspFileNodeAcquire ## F)
 
 /* debug */
 #if DBG

src/sys/file.c

@@ -6,20 +6,14 @@
 
 #include <sys/driver.h>
 
-#undef FspFileNodeAcquireShared
-#undef FspFileNodeTryAcquireShared
-#undef FspFileNodeAcquireExclusive
-#undef FspFileNodeTryAcquireExclusive
-#undef FspFileNodeRelease
-
 NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
     ULONG ExtraSize, FSP_FILE_NODE **PFileNode);
 VOID FspFileNodeDelete(FSP_FILE_NODE *FileNode);
-VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
-BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags);
+BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
-VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
-BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags);
+BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
-VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode, ULONG Flags);
+VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags);
 FSP_FILE_NODE *FspFileNodeOpen(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
     UINT32 GrantedAccess, UINT32 ShareAccess, BOOLEAN DeleteOnClose, NTSTATUS *PResult);
 VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
@@ -33,11 +27,11 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
 #ifdef ALLOC_PRAGMA
 #pragma alloc_text(PAGE, FspFileNodeCreate)
 #pragma alloc_text(PAGE, FspFileNodeDelete)
-#pragma alloc_text(PAGE, FspFileNodeAcquireShared)
+#pragma alloc_text(PAGE, FspFileNodeAcquireSharedF)
-#pragma alloc_text(PAGE, FspFileNodeTryAcquireShared)
+#pragma alloc_text(PAGE, FspFileNodeTryAcquireSharedF)
-#pragma alloc_text(PAGE, FspFileNodeAcquireExclusive)
+#pragma alloc_text(PAGE, FspFileNodeAcquireExclusiveF)
-#pragma alloc_text(PAGE, FspFileNodeTryAcquireExclusive)
+#pragma alloc_text(PAGE, FspFileNodeTryAcquireExclusiveF)
-#pragma alloc_text(PAGE, FspFileNodeRelease)
+#pragma alloc_text(PAGE, FspFileNodeReleaseF)
 #pragma alloc_text(PAGE, FspFileNodeOpen)
 #pragma alloc_text(PAGE, FspFileNodeClose)
 #pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
@@ -77,7 +71,7 @@ NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
     FileNode->Header.IsFastIoPossible = FastIoIsQuestionable;
     FileNode->Header.Resource = &NonPaged->Resource;
     FileNode->Header.PagingIoResource = &NonPaged->PagingIoResource;
-    FileNode->Header.ValidDataLength.QuadPart = 0x7fffffffffffffffLL;
+    FileNode->Header.ValidDataLength.QuadPart = MAXLONGLONG;
         /* disable ValidDataLength functionality */
     FsRtlSetupAdvancedHeader(&FileNode->Header, &NonPaged->HeaderFastMutex);
     FileNode->NonPaged = NonPaged;
@@ -106,7 +100,7 @@ VOID FspFileNodeDelete(FSP_FILE_NODE *FileNode)
     FspFree(FileNode);
 }
 
-VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags)
+VOID FspFileNodeAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags)
 {
     PAGED_CODE();
 
@@ -117,7 +111,7 @@ VOID FspFileNodeAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags)
         ExAcquireResourceSharedLite(FileNode->Header.PagingIoResource, TRUE);
 }
 
-BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags)
+BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags)
 {
     PAGED_CODE();
 
@@ -144,7 +138,7 @@ BOOLEAN FspFileNodeTryAcquireShared(FSP_FILE_NODE *FileNode, ULONG Flags)
     return Result;
 }
 
-VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags)
+VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags)
 {
     PAGED_CODE();
 
@@ -155,7 +149,7 @@ VOID FspFileNodeAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags)
         ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, TRUE);
 }
 
-BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags)
+BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags)
 {
     PAGED_CODE();
 
@@ -182,7 +176,7 @@ BOOLEAN FspFileNodeTryAcquireExclusive(FSP_FILE_NODE *FileNode, ULONG Flags)
     return Result;
 }
 
-VOID FspFileNodeRelease(FSP_FILE_NODE *FileNode, ULONG Flags)
+VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags)
 {
     PAGED_CODE();
 

src/sys/fileinfo.c

@@ -25,9 +25,28 @@ static NTSTATUS FspFsvolQueryStandardInformation(PFILE_OBJECT FileObject,
 static NTSTATUS FspFsvolQueryInformation(
     PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
 FSP_IOCMPL_DISPATCH FspFsvolQueryInformationComplete;
+static NTSTATUS FspFsvolSetAllocationInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
+static NTSTATUS FspFsvolSetBasicInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
+static NTSTATUS FspFsvolSetDispositionInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
+static NTSTATUS FspFsvolSetEndOfFileInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length, BOOLEAN AdvanceOnly,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
+static NTSTATUS FspFsvolSetPositionInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
+static NTSTATUS FspFsvolSetRenameInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response);
 static NTSTATUS FspFsvolSetInformation(
     PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
 FSP_IOCMPL_DISPATCH FspFsvolSetInformationComplete;
+static FSP_IOP_REQUEST_FINI FspFsvolSetInformationRequestFini;
 FSP_DRIVER_DISPATCH FspQueryInformation;
 FSP_DRIVER_DISPATCH FspSetInformation;
 
@@ -42,8 +61,15 @@ FSP_DRIVER_DISPATCH FspSetInformation;
 #pragma alloc_text(PAGE, FspFsvolQueryStandardInformation)
 #pragma alloc_text(PAGE, FspFsvolQueryInformation)
 #pragma alloc_text(PAGE, FspFsvolQueryInformationComplete)
+#pragma alloc_text(PAGE, FspFsvolSetAllocationInformation)
+#pragma alloc_text(PAGE, FspFsvolSetBasicInformation)
+#pragma alloc_text(PAGE, FspFsvolSetDispositionInformation)
+#pragma alloc_text(PAGE, FspFsvolSetEndOfFileInformation)
+#pragma alloc_text(PAGE, FspFsvolSetPositionInformation)
+#pragma alloc_text(PAGE, FspFsvolSetRenameInformation)
 #pragma alloc_text(PAGE, FspFsvolSetInformation)
 #pragma alloc_text(PAGE, FspFsvolSetInformationComplete)
+#pragma alloc_text(PAGE, FspFsvolSetInformationRequestFini)
 #pragma alloc_text(PAGE, FspQueryInformation)
 #pragma alloc_text(PAGE, FspSetInformation)
 #endif
@@ -418,12 +444,171 @@ VOID FspFsvolQueryInformationComplete(
         IrpSp->FileObject);
 }
 
+enum
+{
+    RequestFileNode                     = 0,
+    RequestAcquireFlags                 = 1,
+};
+
+static NTSTATUS FspFsvolSetAllocationInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    if (0 != Request)
+    {
+        if (sizeof(FILE_ALLOCATION_INFORMATION) > Length)
+            return STATUS_INVALID_PARAMETER;
+
+        PFILE_ALLOCATION_INFORMATION Info = (PFILE_ALLOCATION_INFORMATION)Buffer;
+        FSP_FILE_NODE *FileNode = FileObject->FsContext;
+        BOOLEAN Success;
+
+        Request->Req.SetInformation.Info.Allocation.AllocationSize = Info->AllocationSize.QuadPart;
+
+        FspFileNodeAcquireExclusive(FileNode, Both);
+
+        Success = MmCanFileBeTruncated(FileObject->SectionObjectPointer, &Info->AllocationSize);
+        if (!Success)
+        {
+            FspFileNodeRelease(FileNode, Both);
+
+            return STATUS_USER_MAPPED_FILE;
+        }
+
+        FspIopRequestContext(Request, RequestFileNode) = FileNode;
+        FspIopRequestContext(Request, RequestAcquireFlags) = (PVOID)FspFileNodeAcquireBoth;
+
+        return FSP_STATUS_IOQ_POST;
+    }
+    else
+    {
+        FspIopRequestContext(Request, RequestFileNode) = 0;
+        FspIopRequestContext(Request, RequestAcquireFlags) = 0;
+
+        FSP_FILE_NODE *FileNode = FileObject->FsContext;
+
+        FileNode->Header.AllocationSize.QuadPart = Response->Rsp.SetInformation.FileInfo.AllocationSize;
+        FileNode->Header.FileSize.QuadPart = Response->Rsp.SetInformation.FileInfo.FileSize;
+        FileNode->CcStatus = FspCcSetFileSizes(
+            FileObject, (PCC_FILE_SIZES)&FileNode->Header.AllocationSize);
+
+        FspFileNodeRelease(FileNode, Both);
+
+        return STATUS_SUCCESS;
+    }
+}
+
+static NTSTATUS FspFsvolSetBasicInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    return STATUS_INVALID_DEVICE_REQUEST;
+}
+
+static NTSTATUS FspFsvolSetDispositionInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    return STATUS_INVALID_DEVICE_REQUEST;
+}
+
+static NTSTATUS FspFsvolSetEndOfFileInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length, BOOLEAN AdvanceOnly,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    return STATUS_INVALID_DEVICE_REQUEST;
+}
+
+static NTSTATUS FspFsvolSetPositionInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    return STATUS_INVALID_DEVICE_REQUEST;
+}
+
+static NTSTATUS FspFsvolSetRenameInformation(PFILE_OBJECT FileObject,
+    PVOID Buffer, ULONG Length,
+    FSP_FSCTL_TRANSACT_REQ *Request, const FSP_FSCTL_TRANSACT_RSP *Response)
+{
+    PAGED_CODE();
+
+    return STATUS_INVALID_DEVICE_REQUEST;
+}
+
 static NTSTATUS FspFsvolSetInformation(
     PDEVICE_OBJECT FsvolDeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
 {
     PAGED_CODE();
 
-    return STATUS_INVALID_DEVICE_REQUEST;
+    /* is this a valid FileObject? */
+    if (!FspFileNodeIsValid(IrpSp->FileObject->FsContext))
+        return STATUS_INVALID_DEVICE_REQUEST;
+
+    NTSTATUS Result;
+    FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
+    BOOLEAN FileNameRequired = 0 != FsvolDeviceExtension->VolumeParams.FileNameRequired;
+    PFILE_OBJECT FileObject = IrpSp->FileObject;
+    FSP_FILE_NODE *FileNode = FileObject->FsContext;
+    FSP_FILE_DESC *FileDesc = FileObject->FsContext2;
+    FILE_INFORMATION_CLASS FileInformationClass = IrpSp->Parameters.SetFile.FileInformationClass;
+    PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
+    ULONG Length = IrpSp->Parameters.QueryFile.Length;
+    FSP_FSCTL_TRANSACT_REQ *Request;
+
+    ASSERT(FileNode == FileDesc->FileNode);
+
+    Result = FspIopCreateRequest(Irp, FileNameRequired ? &FileNode->FileName : 0, 0, &Request);
+    if (!NT_SUCCESS(Result))
+        return Result;
+
+    Request->Kind = FspFsctlTransactSetInformationKind;
+    Request->Req.SetInformation.UserContext = FileNode->UserContext;
+    Request->Req.SetInformation.UserContext2 = FileDesc->UserContext2;
+    Request->Req.SetInformation.FileInformationClass = FileInformationClass;
+
+    switch (FileInformationClass)
+    {
+    case FileAllocationInformation:
+        Result = FspFsvolSetAllocationInformation(FileObject, Buffer, Length, Request, 0);
+        break;
+    case FileBasicInformation:
+        Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, Request, 0);
+        break;
+    case FileDispositionInformation:
+        Result = FspFsvolSetDispositionInformation(FileObject, Buffer, Length, Request, 0);
+        break;
+    case FileEndOfFileInformation:
+        Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
+            IrpSp->Parameters.SetFile.AdvanceOnly, Request, 0);
+        break;
+    case FileLinkInformation:
+        Result = STATUS_INVALID_PARAMETER;  /* no hard link support */
+        break;
+    case FilePositionInformation:
+        Result = FspFsvolSetPositionInformation(FileObject, Buffer, Length, Request, 0);
+        break;
+    case FileRenameInformation:
+        Result = FspFsvolSetRenameInformation(FileObject, Buffer, Length, Request, 0);
+        break;
+    case FileValidDataLengthInformation:
+        Result = STATUS_INVALID_PARAMETER;  /* no ValidDataLength support */
+        break;
+    default:
+        Result = STATUS_INVALID_PARAMETER;
+        break;
+    }
+
+    return Result;
 }
 
 VOID FspFsvolSetInformationComplete(
@@ -431,11 +616,76 @@ VOID FspFsvolSetInformationComplete(
 {
     FSP_ENTER_IOC(PAGED_CODE());
 
+    if (!NT_SUCCESS(Response->IoStatus.Status))
+    {
+        Irp->IoStatus.Information = Response->IoStatus.Information;
+        Result = Response->IoStatus.Status;
+        FSP_RETURN();
+    }
+
+    PFILE_OBJECT FileObject = IrpSp->FileObject;
+    FSP_FILE_NODE *FileNode = FileObject->FsContext;
+    FILE_INFORMATION_CLASS FileInformationClass = IrpSp->Parameters.SetFile.FileInformationClass;
+    PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
+    ULONG Length = IrpSp->Parameters.QueryFile.Length;
+
+    FspFileNodeSetFileInfo(FileNode, &Response->Rsp.SetInformation.FileInfo);
+
+    switch (FileInformationClass)
+    {
+    case FileAllocationInformation:
+        Result = FspFsvolSetAllocationInformation(FileObject, Buffer, Length, 0, Response);
+        break;
+    case FileBasicInformation:
+        Result = FspFsvolSetBasicInformation(FileObject, Buffer, Length, 0, Response);
+        break;
+    case FileDispositionInformation:
+        Result = FspFsvolSetDispositionInformation(FileObject, Buffer, Length, 0, Response);
+        break;
+    case FileEndOfFileInformation:
+        Result = FspFsvolSetEndOfFileInformation(FileObject, Buffer, Length,
+            IrpSp->Parameters.SetFile.AdvanceOnly, 0, Response);
+        break;
+    case FileLinkInformation:
+        Result = STATUS_INVALID_PARAMETER;  /* no hard link support */
+        break;
+    case FilePositionInformation:
+        Result = FspFsvolSetPositionInformation(FileObject, Buffer, Length, 0, Response);
+        break;
+    case FileRenameInformation:
+        Result = FspFsvolSetRenameInformation(FileObject, Buffer, Length, 0, Response);
+        break;
+    case FileValidDataLengthInformation:
+        Result = STATUS_INVALID_PARAMETER;  /* no ValidDataLength support */
+        break;
+    default:
+        ASSERT(0);
+        Result = STATUS_INVALID_PARAMETER;
+        break;
+    }
+
+    ASSERT(FSP_STATUS_IOQ_POST != Result);
+
+    Irp->IoStatus.Information = 0;
+
     FSP_LEAVE_IOC("%s, FileObject=%p",
         FileInformationClassSym(IrpSp->Parameters.SetFile.FileInformationClass),
         IrpSp->FileObject);
 }
 
+static VOID FspFsvolSetInformationRequestFini(PVOID Context[3])
+{
+    PAGED_CODE();
+
+    FSP_FILE_NODE *FileNode = Context[RequestFileNode];
+    ULONG AcquireFlags = (ULONG)(UINT_PTR)Context[RequestAcquireFlags];
+
+    if (0 != FileNode)
+        FspFileNodeReleaseF(FileNode, AcquireFlags);
+
+    Context[RequestFileNode] = Context[RequestAcquireFlags] = 0;
+}
+
 NTSTATUS FspQueryInformation(
     PDEVICE_OBJECT DeviceObject, PIRP Irp)
 {

src/sys/util.c

@@ -40,6 +40,19 @@ NTSTATUS FspCreateGuid(GUID *Guid)
     return Result;
 }
 
+NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes)
+{
+    try
+    {
+        CcSetFileSizes(FileObject, FileSizes);
+        return STATUS_SUCCESS;
+    }
+    except(EXCEPTION_EXECUTE_HANDLER)
+    {
+        return GetExceptionCode();
+    }
+}
+
 VOID FspInitializeSynchronousWorkItem(FSP_SYNCHRONOUS_WORK_ITEM *SynchronousWorkItem,
     PWORKER_THREAD_ROUTINE Routine, PVOID Context)
 {