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sys: store FileInfo in FileNode's

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This commit is contained in:
Bill Zissimopoulos 2016-01-23 14:01:53 -08:00
parent af36418f43
commit 69fd1ebd6c
7 changed files with 133 additions and 4 deletions
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1
inc/winfsp/fsctl.h
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@ -106,6 +106,7 @@ typedef struct
UINT32 TransactTimeout; /* milliseconds; values between 1 sec and 10 sec */
UINT32 IrpTimeout; /* milliseconds; values between 1 min and 10 min */
UINT32 IrpCapacity; /* maximum number of pending IRP's */
UINT32 FileInfoTimeout; /* milliseconds */
UINT32 EaSupported:1; /* supports extended attributes (unimplemented; set to 0) */
UINT32 FileNameRequired:1; /* FileName required for all operations (not just Create) */
WCHAR Prefix[64]; /* UNC prefix to recognize (\\server\path format, 0-term) */

6
src/sys/create.c
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@ -372,6 +372,7 @@ NTSTATUS FspFsvolCreatePrepare(
if (NT_SUCCESS(Result))
{
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &FileDesc->State.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = FILE_OPENED;
Result = STATUS_SUCCESS;
@ -549,7 +550,9 @@ VOID FspFsvolCreateComplete(
FileNode->Header.AllocationSize.QuadPart = Response->Rsp.Create.Opened.FileInfo.AllocationSize;
FileNode->Header.FileSize.QuadPart = Response->Rsp.Create.Opened.FileInfo.FileSize;
FileNode->UserContext = Response->Rsp.Create.Opened.UserContext;
FileNode->IndexNumber = Response->Rsp.Create.Opened.FileInfo.IndexNumber;
FileDesc->UserContext2 = Response->Rsp.Create.Opened.UserContext2;
FileDesc->State.FileInfo = Response->Rsp.Create.Opened.FileInfo;
DeleteOnClose = BooleanFlagOn(IrpSp->Parameters.Create.Options, FILE_DELETE_ON_CLOSE);
@ -602,6 +605,7 @@ VOID FspFsvolCreateComplete(
}
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &FileDesc->State.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = (ULONG_PTR)Response->IoStatus.Information;
Result = STATUS_SUCCESS;
@ -656,6 +660,7 @@ VOID FspFsvolCreateComplete(
else
{
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &FileDesc->State.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = (ULONG_PTR)Response->IoStatus.Information;
Result = STATUS_SUCCESS;
@ -684,6 +689,7 @@ VOID FspFsvolCreateComplete(
FspFileNodeRelease(FileNode, Both);
/* SUCCESS! */
FspFileNodeSetFileInfo(FileNode, &Response->Rsp.Overwrite.FileInfo);
FspIopRequestContext(Request, RequestFileDesc) = 0;
Irp->IoStatus.Information = Request->Req.Overwrite.Supersede ? FILE_SUPERSEDED : FILE_OVERWRITTEN;
Result = STATUS_SUCCESS;

2
src/sys/device.c
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@ -281,7 +281,7 @@ static NTSTATUS FspFsvolDeviceInit(PDEVICE_OBJECT DeviceObject)
FsvolDeviceExtension->InitDoneDelRsc = 1;
/* create our Ioq */
IrpTimeout.QuadPart = FsvolDeviceExtension->VolumeParams.IrpTimeout * 10000;
IrpTimeout.QuadPart = FsvolDeviceExtension->VolumeParams.IrpTimeout * 10000ULL;
/* convert millis to nanos */
Result = FspIoqCreate(
FsvolDeviceExtension->VolumeParams.IrpCapacity, &IrpTimeout, FspIopCompleteCanceledIrp,

17
src/sys/driver.h
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@ -534,6 +534,15 @@ typedef struct
ERESOURCE PagingIoResource;
FAST_MUTEX HeaderFastMutex;
SECTION_OBJECT_POINTERS SectionObjectPointers;
/* FileInfo */
KSPIN_LOCK InfoSpinLock;
UINT64 InfoExpirationTime;
UINT32 FileAttributes;
UINT32 ReparseTag;
UINT64 CreationTime;
UINT64 LastAccessTime;
UINT64 LastWriteTime;
UINT64 ChangeTime;
} FSP_FILE_NODE_NONPAGED;
typedef struct
{
@ -552,6 +561,7 @@ typedef struct
/* read-only after creation (and insertion in the ContextTable) */
PDEVICE_OBJECT FsvolDeviceObject;
UINT64 UserContext;
UINT64 IndexNumber;
FSP_DEVICE_GENERIC_TABLE_ELEMENT ElementStorage;
UNICODE_STRING FileName;
WCHAR FileNameBuf[];
@ -560,6 +570,10 @@ typedef struct
{
FSP_FILE_NODE *FileNode;
UINT64 UserContext2;
union
{
FSP_FSCTL_FILE_INFO FileInfo; /* create time only */
} State;
} FSP_FILE_DESC;
NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ULONG ExtraSize, FSP_FILE_NODE **PFileNode);
@ -585,6 +599,9 @@ 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,
PBOOLEAN PDeletePending);
VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
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)

107
src/sys/file.c
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@ -24,7 +24,9 @@ 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,
PBOOLEAN PDeletePending);
VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo);
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, const FSP_FSCTL_FILE_INFO *FileInfo);
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
@ -38,6 +40,9 @@ VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#pragma alloc_text(PAGE, FspFileNodeRelease)
#pragma alloc_text(PAGE, FspFileNodeOpen)
#pragma alloc_text(PAGE, FspFileNodeClose)
#pragma alloc_text(PAGE, FspFileNodeGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeTryGetFileInfo)
#pragma alloc_text(PAGE, FspFileNodeSetFileInfo)
#pragma alloc_text(PAGE, FspFileDescCreate)
#pragma alloc_text(PAGE, FspFileDescDelete)
#endif
@ -64,6 +69,7 @@ NTSTATUS FspFileNodeCreate(PDEVICE_OBJECT DeviceObject,
ExInitializeResourceLite(&NonPaged->Resource);
ExInitializeResourceLite(&NonPaged->PagingIoResource);
ExInitializeFastMutex(&NonPaged->HeaderFastMutex);
KeInitializeSpinLock(&NonPaged->InfoSpinLock);
RtlZeroMemory(FileNode, sizeof *FileNode + ExtraSize);
FileNode->Header.NodeTypeCode = FspFileNodeFileKind;
@ -312,6 +318,105 @@ VOID FspFileNodeClose(FSP_FILE_NODE *FileNode, PFILE_OBJECT FileObject,
*PDeletePending = Deleted && DeletePending;
}
static VOID FspFileNodeGetFileInfoNp(FSP_FILE_NODE_NONPAGED *FileNodeNp, FSP_FSCTL_FILE_INFO *FileInfoNp)
{
// !PAGED_CODE();
KIRQL Irql;
KeAcquireSpinLock(&FileNodeNp->InfoSpinLock, &Irql);
FileInfoNp->FileAttributes = FileNodeNp->FileAttributes;
FileInfoNp->ReparseTag = FileNodeNp->ReparseTag;
FileInfoNp->CreationTime = FileNodeNp->CreationTime;
FileInfoNp->LastAccessTime = FileNodeNp->LastAccessTime;
FileInfoNp->LastWriteTime = FileNodeNp->LastWriteTime;
FileInfoNp->ChangeTime = FileNodeNp->ChangeTime;
KeReleaseSpinLock(&FileNodeNp->InfoSpinLock, Irql);
}
static BOOLEAN FspFileNodeTryGetFileInfoNp(FSP_FILE_NODE_NONPAGED *FileNodeNp,
FSP_FSCTL_FILE_INFO *FileInfoNp)
{
// !PAGED_CODE();
KIRQL Irql;
BOOLEAN Result;
KeAcquireSpinLock(&FileNodeNp->InfoSpinLock, &Irql);
if (0 < FileNodeNp->InfoExpirationTime && FileNodeNp->InfoExpirationTime < KeQueryInterruptTime())
{
FileInfoNp->FileAttributes = FileNodeNp->FileAttributes;
FileInfoNp->ReparseTag = FileNodeNp->ReparseTag;
FileInfoNp->CreationTime = FileNodeNp->CreationTime;
FileInfoNp->LastAccessTime = FileNodeNp->LastAccessTime;
FileInfoNp->LastWriteTime = FileNodeNp->LastWriteTime;
FileInfoNp->ChangeTime = FileNodeNp->ChangeTime;
Result = TRUE;
}
else
Result = FALSE;
KeReleaseSpinLock(&FileNodeNp->InfoSpinLock, Irql);
return Result;
}
static VOID FspFileNodeSetFileInfoNp(FSP_FILE_NODE_NONPAGED *FileNodeNp,
const FSP_FSCTL_FILE_INFO *FileInfoNp, UINT64 FileInfoTimeout)
{
// !PAGED_CODE();
KIRQL Irql;
KeAcquireSpinLock(&FileNodeNp->InfoSpinLock, &Irql);
FileNodeNp->FileAttributes = FileInfoNp->FileAttributes;
FileNodeNp->ReparseTag = FileInfoNp->ReparseTag;
FileNodeNp->CreationTime = FileInfoNp->CreationTime;
FileNodeNp->LastAccessTime = FileInfoNp->LastAccessTime;
FileNodeNp->LastWriteTime = FileInfoNp->LastWriteTime;
FileNodeNp->ChangeTime = FileInfoNp->ChangeTime;
FileNodeNp->InfoExpirationTime = 0 != FileInfoTimeout ?
KeQueryInterruptTime() + FileInfoTimeout : 0;
KeReleaseSpinLock(&FileNodeNp->InfoSpinLock, Irql);
}
VOID FspFileNodeGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
FSP_FILE_NODE_NONPAGED *FileNodeNp = FileNode->NonPaged;
FSP_FSCTL_FILE_INFO FileInfoNp;
FspFileNodeGetFileInfoNp(FileNodeNp, &FileInfoNp);
*FileInfo = FileInfoNp;
}
BOOLEAN FspFileNodeTryGetFileInfo(FSP_FILE_NODE *FileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
FSP_FILE_NODE_NONPAGED *FileNodeNp = FileNode->NonPaged;
FSP_FSCTL_FILE_INFO FileInfoNp;
if (!FspFileNodeTryGetFileInfoNp(FileNodeNp, &FileInfoNp))
return FALSE;
*FileInfo = FileInfoNp;
return TRUE;
}
VOID FspFileNodeSetFileInfo(FSP_FILE_NODE *FileNode, const FSP_FSCTL_FILE_INFO *FileInfo)
{
PAGED_CODE();
UINT64 FileInfoTimeout = FspFsvolDeviceExtension(FileNode->FsvolDeviceObject)->
VolumeParams.FileInfoTimeout * 10000ULL;
FSP_FILE_NODE_NONPAGED *FileNodeNp = FileNode->NonPaged;
FSP_FSCTL_FILE_INFO FileInfoNp = *FileInfo;
FspFileNodeSetFileInfoNp(FileNodeNp, &FileInfoNp, FileInfoTimeout);
}
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc)
{
PAGED_CODE();

2
src/sys/ioq.c
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@ -111,7 +111,7 @@ static PIRP FspCsqRemoveNextIrp(PIO_CSQ Csq, PVOID PeekContext)
#define FspCsqRemoveNextIrp(Q, C) IoCsqRemoveNextIrp(Q, C)
#endif
#define InterruptTimeToSecFactor 10000000
#define InterruptTimeToSecFactor 10000000ULL
#define ConvertInterruptTimeToSec(Time) ((ULONG)((Time) / InterruptTimeToSecFactor))
#define QueryInterruptTimeInSec() ConvertInterruptTimeToSec(KeQueryInterruptTime())

2
src/sys/volume.c
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@ -546,7 +546,7 @@ NTSTATUS FspVolumeTransact(
/* wait for an IRP to arrive */
KeQuerySystemTime(&Timeout);
Timeout.QuadPart += FsvolDeviceExtension->VolumeParams.TransactTimeout * 10000;
Timeout.QuadPart += FsvolDeviceExtension->VolumeParams.TransactTimeout * 10000ULL;
/* convert millis to nanos and add to absolute time */
while (0 == (PendingIrp = FspIoqNextPendingIrp(FsvolDeviceExtension->Ioq, 0, &Timeout)))
{