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Nt -> Zw

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svn path=/trunk/; revision=13239
This commit is contained in:
Gé van Geldorp 2005-01-24 00:18:57 +00:00
parent 49af955e23
commit b1f6601134
1 changed files with 69 additions and 23 deletions
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92
reactos/ntoskrnl/mm/pagefile.c
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@ -739,9 +739,9 @@ MmInitializeCrashDump(HANDLE PageFileHandle, ULONG PageFileNum)
} }
NTSTATUS STDCALL NTSTATUS STDCALL
NtCreatePagingFile(IN PUNICODE_STRING FileName, NtCreatePagingFile(IN PUNICODE_STRING FileNameUnsafe,
IN PLARGE_INTEGER InitialSize, IN PLARGE_INTEGER InitialSizeUnsafe,
IN PLARGE_INTEGER MaximumSize, IN PLARGE_INTEGER MaximumSizeUnsafe,
IN ULONG Reserved) IN ULONG Reserved)
{ {
NTSTATUS Status; NTSTATUS Status;
@ -762,6 +762,9 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ULONG MaxVcn; ULONG MaxVcn;
ULONG Count; ULONG Count;
ULONG Size; ULONG Size;
KPROCESSOR_MODE PreviousMode;
UNICODE_STRING FileName;
LARGE_INTEGER InitialSize, MaximumSize;
DPRINT("NtCreatePagingFile(FileName %wZ, InitialSize %I64d)\n", DPRINT("NtCreatePagingFile(FileName %wZ, InitialSize %I64d)\n",
FileName, InitialSize->QuadPart); FileName, InitialSize->QuadPart);
@ -771,8 +774,48 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
return(STATUS_TOO_MANY_PAGING_FILES); return(STATUS_TOO_MANY_PAGING_FILES);
} }
PreviousMode = ExGetPreviousMode();
Status = RtlCaptureUnicodeString(&FileName,
PreviousMode,
PagedPool,
FALSE,
FileNameUnsafe);
if (!NT_SUCCESS(Status))
{
return(Status);
}
if (PreviousMode == UserMode)
{
_SEH_TRY
{
ProbeForRead(InitialSizeUnsafe,
sizeof(LARGE_INTEGER),
sizeof(ULONG));
InitialSize = *InitialSizeUnsafe;
ProbeForRead(MaximumSizeUnsafe,
sizeof(LARGE_INTEGER),
sizeof(ULONG));
MaximumSize = *MaximumSizeUnsafe;
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if (!NT_SUCCESS(Status))
{
return Status;
}
}
else
{
InitialSize = *InitialSizeUnsafe;
MaximumSize = *MaximumSizeUnsafe;
}
InitializeObjectAttributes(&ObjectAttributes, InitializeObjectAttributes(&ObjectAttributes,
FileName, &FileName,
0, 0,
NULL, NULL,
NULL); NULL);
@ -791,37 +834,40 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
CreateFileTypeNone, CreateFileTypeNone,
NULL, NULL,
SL_OPEN_PAGING_FILE); SL_OPEN_PAGING_FILE);
RtlReleaseCapturedUnicodeString(&FileName,
PreviousMode,
FALSE);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
return(Status); return(Status);
} }
Status = NtQueryVolumeInformationFile(FileHandle, Status = ZwQueryVolumeInformationFile(FileHandle,
&IoStatus, &IoStatus,
&FsSizeInformation, &FsSizeInformation,
sizeof(FILE_FS_SIZE_INFORMATION), sizeof(FILE_FS_SIZE_INFORMATION),
FileFsSizeInformation); FileFsSizeInformation);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
NtClose(FileHandle); ZwClose(FileHandle);
return Status; return Status;
} }
BytesPerAllocationUnit = FsSizeInformation.SectorsPerAllocationUnit * FsSizeInformation.BytesPerSector; BytesPerAllocationUnit = FsSizeInformation.SectorsPerAllocationUnit * FsSizeInformation.BytesPerSector;
if (BytesPerAllocationUnit % PAGE_SIZE) if (BytesPerAllocationUnit % PAGE_SIZE)
{ {
NtClose(FileHandle); ZwClose(FileHandle);
return STATUS_UNSUCCESSFUL; return STATUS_UNSUCCESSFUL;
} }
Status = NtSetInformationFile(FileHandle, Status = ZwSetInformationFile(FileHandle,
&IoStatus, &IoStatus,
InitialSize, &InitialSize,
sizeof(LARGE_INTEGER), sizeof(LARGE_INTEGER),
FileAllocationInformation); FileAllocationInformation);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
NtClose(FileHandle); ZwClose(FileHandle);
return(Status); return(Status);
} }
@ -833,7 +879,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
NULL); NULL);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
NtClose(FileHandle); ZwClose(FileHandle);
return(Status); return(Status);
} }
@ -842,7 +888,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
if (CurrentRetDescList == NULL) if (CurrentRetDescList == NULL)
{ {
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(STATUS_NO_MEMORY); return(STATUS_NO_MEMORY);
} }
@ -854,10 +900,10 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
#endif #endif
ExtentCount = 0; ExtentCount = 0;
MaxVcn = (ULONG)((InitialSize->QuadPart + BytesPerAllocationUnit - 1) / BytesPerAllocationUnit); MaxVcn = (ULONG)((InitialSize.QuadPart + BytesPerAllocationUnit - 1) / BytesPerAllocationUnit);
while(1) while(1)
{ {
Status = NtFsControlFile(FileHandle, Status = ZwFsControlFile(FileHandle,
0, 0,
NULL, NULL,
NULL, NULL,
@ -876,7 +922,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ExFreePool(CurrentRetDescList); ExFreePool(CurrentRetDescList);
} }
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(Status); return(Status);
} }
ExtentCount += CurrentRetDescList->RetrievalPointers.NumberOfPairs; ExtentCount += CurrentRetDescList->RetrievalPointers.NumberOfPairs;
@ -892,7 +938,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ExFreePool(CurrentRetDescList); ExFreePool(CurrentRetDescList);
} }
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(STATUS_NO_MEMORY); return(STATUS_NO_MEMORY);
} }
Vcn.QuadPart = CurrentRetDescList->RetrievalPointers.Pair[CurrentRetDescList->RetrievalPointers.NumberOfPairs-1].Vcn; Vcn.QuadPart = CurrentRetDescList->RetrievalPointers.Pair[CurrentRetDescList->RetrievalPointers.NumberOfPairs-1].Vcn;
@ -914,16 +960,16 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ExFreePool(CurrentRetDescList); ExFreePool(CurrentRetDescList);
} }
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(STATUS_NO_MEMORY); return(STATUS_NO_MEMORY);
} }
RtlZeroMemory(PagingFile, sizeof(*PagingFile)); RtlZeroMemory(PagingFile, sizeof(*PagingFile));
PagingFile->FileObject = FileObject; PagingFile->FileObject = FileObject;
PagingFile->MaximumSize.QuadPart = MaximumSize->QuadPart; PagingFile->MaximumSize.QuadPart = MaximumSize.QuadPart;
PagingFile->CurrentSize.QuadPart = InitialSize->QuadPart; PagingFile->CurrentSize.QuadPart = InitialSize.QuadPart;
PagingFile->FreePages = (ULONG)(InitialSize->QuadPart / PAGE_SIZE); PagingFile->FreePages = (ULONG)(InitialSize.QuadPart / PAGE_SIZE);
PagingFile->UsedPages = 0; PagingFile->UsedPages = 0;
KeInitializeSpinLock(&PagingFile->AllocMapLock); KeInitializeSpinLock(&PagingFile->AllocMapLock);
@ -959,7 +1005,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ExFreePool(PagingFile->AllocMap); ExFreePool(PagingFile->AllocMap);
ExFreePool(PagingFile); ExFreePool(PagingFile);
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(STATUS_NO_MEMORY); return(STATUS_NO_MEMORY);
} }
@ -988,7 +1034,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
ExFreePool(PagingFile->AllocMap); ExFreePool(PagingFile->AllocMap);
ExFreePool(PagingFile); ExFreePool(PagingFile);
ObDereferenceObject(FileObject); ObDereferenceObject(FileObject);
NtClose(FileHandle); ZwClose(FileHandle);
return(STATUS_UNSUCCESSFUL); return(STATUS_UNSUCCESSFUL);
} }
@ -1022,7 +1068,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
{ {
MmInitializeCrashDump(FileHandle, i); MmInitializeCrashDump(FileHandle, i);
} }
NtClose(FileHandle); ZwClose(FileHandle);
MmSwapSpaceMessage = FALSE; MmSwapSpaceMessage = FALSE;