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[NTOSKRNL]

Browse source 
Formatting, no functional change

svn path=/trunk/; revision=57951
This commit is contained in:
Timo Kreuzer 2012-12-19 11:11:34 +00:00
parent a9f6a51c2a
commit 49a76c78e0
5 changed files with 1502 additions and 1440 deletions
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1024
reactos/ntoskrnl/cc/copy.c
View file

File diff suppressed because it is too large Load diff

269
reactos/ntoskrnl/cc/fs.c
View file

@ -32,16 +32,15 @@ NTSTATUS CcRosInternalFreeCacheSegment(PCACHE_SEGMENT CacheSeg);
LARGE_INTEGER
NTAPI
CcGetDirtyPages (
IN PVOID LogHandle,
IN PDIRTY_PAGE_ROUTINE DirtyPageRoutine,
IN PVOID Context1,
IN PVOID Context2
)
IN PVOID LogHandle,
IN PDIRTY_PAGE_ROUTINE DirtyPageRoutine,
IN PVOID Context1,
IN PVOID Context2)
{
LARGE_INTEGER i;
UNIMPLEMENTED;
i.QuadPart = 0;
return i;
LARGE_INTEGER i;
UNIMPLEMENTED;
i.QuadPart = 0;
return i;
}
/*
@ -50,11 +49,10 @@ CcGetDirtyPages (
PFILE_OBJECT
NTAPI
CcGetFileObjectFromBcb (
IN PVOID Bcb
)
IN PVOID Bcb)
{
PINTERNAL_BCB iBcb = (PINTERNAL_BCB)Bcb;
return iBcb->CacheSegment->Bcb->FileObject;
PINTERNAL_BCB iBcb = (PINTERNAL_BCB)Bcb;
return iBcb->CacheSegment->Bcb->FileObject;
}
/*
@ -63,14 +61,13 @@ CcGetFileObjectFromBcb (
LARGE_INTEGER
NTAPI
CcGetLsnForFileObject (
IN PFILE_OBJECT FileObject,
OUT PLARGE_INTEGER OldestLsn OPTIONAL
)
IN PFILE_OBJECT FileObject,
OUT PLARGE_INTEGER OldestLsn OPTIONAL)
{
LARGE_INTEGER i;
UNIMPLEMENTED;
i.QuadPart = 0;
return i;
LARGE_INTEGER i;
UNIMPLEMENTED;
i.QuadPart = 0;
return i;
}
/*
@ -79,20 +76,19 @@ CcGetLsnForFileObject (
VOID
NTAPI
CcInitializeCacheMap (
IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes,
IN BOOLEAN PinAccess,
IN PCACHE_MANAGER_CALLBACKS CallBacks,
IN PVOID LazyWriterContext
)
IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes,
IN BOOLEAN PinAccess,
IN PCACHE_MANAGER_CALLBACKS CallBacks,
IN PVOID LazyWriterContext)
{
ASSERT(FileObject);
ASSERT(FileSizes);
/* Call old ROS cache init function */
CcRosInitializeFileCache(FileObject,
/*PAGE_SIZE*/ VACB_MAPPING_GRANULARITY, CallBacks,
LazyWriterContext);
/*PAGE_SIZE*/ VACB_MAPPING_GRANULARITY, CallBacks,
LazyWriterContext);
}
/*
@ -101,11 +97,10 @@ CcInitializeCacheMap (
BOOLEAN
NTAPI
CcIsThereDirtyData (
IN PVPB Vpb
)
IN PVPB Vpb)
{
UNIMPLEMENTED;
return FALSE;
UNIMPLEMENTED;
return FALSE;
}
/*
@ -114,14 +109,13 @@ CcIsThereDirtyData (
BOOLEAN
NTAPI
CcPurgeCacheSection (
IN PSECTION_OBJECT_POINTERS SectionObjectPointer,
IN PLARGE_INTEGER FileOffset OPTIONAL,
IN ULONG Length,
IN BOOLEAN UninitializeCacheMaps
)
IN PSECTION_OBJECT_POINTERS SectionObjectPointer,
IN PLARGE_INTEGER FileOffset OPTIONAL,
IN ULONG Length,
IN BOOLEAN UninitializeCacheMaps)
{
//UNIMPLEMENTED;
return FALSE;
//UNIMPLEMENTED;
return FALSE;
}
@ -129,91 +123,92 @@ CcPurgeCacheSection (
* @implemented
*/
VOID NTAPI
CcSetFileSizes (IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes)
CcSetFileSizes (
IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes)
{
KIRQL oldirql;
PBCB Bcb;
PLIST_ENTRY current_entry;
PCACHE_SEGMENT current;
LIST_ENTRY FreeListHead;
NTSTATUS Status;
KIRQL oldirql;
PBCB Bcb;
PLIST_ENTRY current_entry;
PCACHE_SEGMENT current;
LIST_ENTRY FreeListHead;
NTSTATUS Status;
DPRINT("CcSetFileSizes(FileObject 0x%p, FileSizes 0x%p)\n",
FileObject, FileSizes);
DPRINT("AllocationSize %d, FileSize %d, ValidDataLength %d\n",
(ULONG)FileSizes->AllocationSize.QuadPart,
(ULONG)FileSizes->FileSize.QuadPart,
(ULONG)FileSizes->ValidDataLength.QuadPart);
DPRINT("CcSetFileSizes(FileObject 0x%p, FileSizes 0x%p)\n",
FileObject, FileSizes);
DPRINT("AllocationSize %d, FileSize %d, ValidDataLength %d\n",
(ULONG)FileSizes->AllocationSize.QuadPart,
(ULONG)FileSizes->FileSize.QuadPart,
(ULONG)FileSizes->ValidDataLength.QuadPart);
Bcb = FileObject->SectionObjectPointer->SharedCacheMap;
Bcb = FileObject->SectionObjectPointer->SharedCacheMap;
/*
* It is valid to call this function on file objects that weren't
* initialized for caching. In this case it's simple no-op.
*/
if (Bcb == NULL)
return;
/*
* It is valid to call this function on file objects that weren't
* initialized for caching. In this case it's simple no-op.
*/
if (Bcb == NULL)
return;
if (FileSizes->AllocationSize.QuadPart < Bcb->AllocationSize.QuadPart)
{
InitializeListHead(&FreeListHead);
KeAcquireGuardedMutex(&ViewLock);
KeAcquireSpinLock(&Bcb->BcbLock, &oldirql);
if (FileSizes->AllocationSize.QuadPart < Bcb->AllocationSize.QuadPart)
{
InitializeListHead(&FreeListHead);
KeAcquireGuardedMutex(&ViewLock);
KeAcquireSpinLock(&Bcb->BcbLock, &oldirql);
current_entry = Bcb->BcbSegmentListHead.Flink;
while (current_entry != &Bcb->BcbSegmentListHead)
{
current = CONTAINING_RECORD(current_entry, CACHE_SEGMENT, BcbSegmentListEntry);
current_entry = current_entry->Flink;
if (current->FileOffset > FileSizes->AllocationSize.QuadPart ||
(current->FileOffset == 0 && FileSizes->AllocationSize.QuadPart == 0))
{
if (current->ReferenceCount == 0 || (current->ReferenceCount == 1 && current->Dirty))
{
RemoveEntryList(&current->BcbSegmentListEntry);
RemoveEntryList(&current->CacheSegmentListEntry);
RemoveEntryList(&current->CacheSegmentLRUListEntry);
if (current->Dirty)
{
RemoveEntryList(&current->DirtySegmentListEntry);
DirtyPageCount -= Bcb->CacheSegmentSize / PAGE_SIZE;
}
InsertHeadList(&FreeListHead, &current->BcbSegmentListEntry);
}
else
{
DPRINT1("Anyone has referenced a cache segment behind the new size.\n");
KeBugCheck(CACHE_MANAGER);
}
}
}
Bcb->AllocationSize = FileSizes->AllocationSize;
Bcb->FileSize = FileSizes->FileSize;
KeReleaseSpinLock(&Bcb->BcbLock, oldirql);
KeReleaseGuardedMutex(&ViewLock);
current_entry = FreeListHead.Flink;
while(current_entry != &FreeListHead)
{
current = CONTAINING_RECORD(current_entry, CACHE_SEGMENT, BcbSegmentListEntry);
current_entry = current_entry->Flink;
Status = CcRosInternalFreeCacheSegment(current);
if (!NT_SUCCESS(Status))
current_entry = Bcb->BcbSegmentListHead.Flink;
while (current_entry != &Bcb->BcbSegmentListHead)
{
DPRINT1("CcRosInternalFreeCacheSegment failed, status = %x\n", Status);
KeBugCheck(CACHE_MANAGER);
current = CONTAINING_RECORD(current_entry, CACHE_SEGMENT, BcbSegmentListEntry);
current_entry = current_entry->Flink;
if (current->FileOffset > FileSizes->AllocationSize.QuadPart ||
(current->FileOffset == 0 && FileSizes->AllocationSize.QuadPart == 0))
{
if ((current->ReferenceCount == 0) || ((current->ReferenceCount == 1) && current->Dirty))
{
RemoveEntryList(&current->BcbSegmentListEntry);
RemoveEntryList(&current->CacheSegmentListEntry);
RemoveEntryList(&current->CacheSegmentLRUListEntry);
if (current->Dirty)
{
RemoveEntryList(&current->DirtySegmentListEntry);
DirtyPageCount -= Bcb->CacheSegmentSize / PAGE_SIZE;
}
InsertHeadList(&FreeListHead, &current->BcbSegmentListEntry);
}
else
{
DPRINT1("Anyone has referenced a cache segment behind the new size.\n");
KeBugCheck(CACHE_MANAGER);
}
}
}
}
}
else
{
KeAcquireSpinLock(&Bcb->BcbLock, &oldirql);
Bcb->AllocationSize = FileSizes->AllocationSize;
Bcb->FileSize = FileSizes->FileSize;
KeReleaseSpinLock(&Bcb->BcbLock, oldirql);
}
Bcb->AllocationSize = FileSizes->AllocationSize;
Bcb->FileSize = FileSizes->FileSize;
KeReleaseSpinLock(&Bcb->BcbLock, oldirql);
KeReleaseGuardedMutex(&ViewLock);
current_entry = FreeListHead.Flink;
while(current_entry != &FreeListHead)
{
current = CONTAINING_RECORD(current_entry, CACHE_SEGMENT, BcbSegmentListEntry);
current_entry = current_entry->Flink;
Status = CcRosInternalFreeCacheSegment(current);
if (!NT_SUCCESS(Status))
{
DPRINT1("CcRosInternalFreeCacheSegment failed, status = %x\n", Status);
KeBugCheck(CACHE_MANAGER);
}
}
}
else
{
KeAcquireSpinLock(&Bcb->BcbLock, &oldirql);
Bcb->AllocationSize = FileSizes->AllocationSize;
Bcb->FileSize = FileSizes->FileSize;
KeReleaseSpinLock(&Bcb->BcbLock, oldirql);
}
}
/*
@ -222,12 +217,11 @@ CcSetFileSizes (IN PFILE_OBJECT FileObject,
VOID
NTAPI
CcSetLogHandleForFile (
IN PFILE_OBJECT FileObject,
IN PVOID LogHandle,
IN PFLUSH_TO_LSN FlushToLsnRoutine
)
IN PFILE_OBJECT FileObject,
IN PVOID LogHandle,
IN PFLUSH_TO_LSN FlushToLsnRoutine)
{
UNIMPLEMENTED;
UNIMPLEMENTED;
}
/*
@ -236,14 +230,13 @@ CcSetLogHandleForFile (
BOOLEAN
NTAPI
CcUninitializeCacheMap (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER TruncateSize OPTIONAL,
IN PCACHE_UNINITIALIZE_EVENT UninitializeCompleteEvent OPTIONAL
)
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER TruncateSize OPTIONAL,
IN PCACHE_UNINITIALIZE_EVENT UninitializeCompleteEvent OPTIONAL)
{
#if 0
UNIMPLEMENTED;
return FALSE;
UNIMPLEMENTED;
return FALSE;
#else
return NT_SUCCESS(CcRosReleaseFileCache(FileObject));
#endif
@ -251,18 +244,18 @@ CcUninitializeCacheMap (
BOOLEAN
NTAPI
CcGetFileSizes
(IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes)
CcGetFileSizes (
IN PFILE_OBJECT FileObject,
IN PCC_FILE_SIZES FileSizes)
{
PBCB Bcb;
Bcb = FileObject->SectionObjectPointer->SharedCacheMap;
PBCB Bcb;
if (!Bcb)
return FALSE;
Bcb = FileObject->SectionObjectPointer->SharedCacheMap;
FileSizes->AllocationSize = Bcb->AllocationSize;
FileSizes->FileSize = FileSizes->ValidDataLength = Bcb->FileSize;
return TRUE;
if (!Bcb)
return FALSE;
FileSizes->AllocationSize = Bcb->AllocationSize;
FileSizes->FileSize = FileSizes->ValidDataLength = Bcb->FileSize;
return TRUE;
}

60
reactos/ntoskrnl/cc/mdl.c
View file

@ -20,19 +20,19 @@
*/
VOID
NTAPI
CcMdlRead(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
OUT PMDL * MdlChain,
OUT PIO_STATUS_BLOCK IoStatus
)
CcMdlRead (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
OUT PMDL * MdlChain,
OUT PIO_STATUS_BLOCK IoStatus
)
{
UNIMPLEMENTED;
UNIMPLEMENTED;
}
/*
* NAME INTERNAL
* NAME INTERNAL
* CcMdlReadComplete2@8
*
* DESCRIPTION
@ -45,13 +45,14 @@ CcMdlRead(
* None.
*
* NOTE
* Used by CcMdlReadComplete@8 and FsRtl
* Used by CcMdlReadComplete@8 and FsRtl
*
*/
VOID
NTAPI
CcMdlReadComplete2(IN PMDL MemoryDescriptorList,
IN PFILE_OBJECT FileObject)
CcMdlReadComplete2 (
IN PMDL MemoryDescriptorList,
IN PFILE_OBJECT FileObject)
{
PMDL Mdl;
@ -82,8 +83,9 @@ CcMdlReadComplete2(IN PMDL MemoryDescriptorList,
*/
VOID
NTAPI
CcMdlReadComplete(IN PFILE_OBJECT FileObject,
IN PMDL MdlChain)
CcMdlReadComplete (
IN PFILE_OBJECT FileObject,
IN PMDL MdlChain)
{
PDEVICE_OBJECT DeviceObject = NULL;
PFAST_IO_DISPATCH FastDispatch;
@ -110,9 +112,10 @@ CcMdlReadComplete(IN PFILE_OBJECT FileObject,
*/
VOID
NTAPI
CcMdlWriteComplete(IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN PMDL MdlChain)
CcMdlWriteComplete (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN PMDL MdlChain)
{
PDEVICE_OBJECT DeviceObject = NULL;
PFAST_IO_DISPATCH FastDispatch;
@ -137,11 +140,10 @@ CcMdlWriteComplete(IN PFILE_OBJECT FileObject,
VOID
NTAPI
CcMdlWriteComplete2(
CcMdlWriteComplete2 (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN PMDL MdlChain
)
IN PMDL MdlChain)
{
UNIMPLEMENTED;
}
@ -153,10 +155,9 @@ VOID
NTAPI
CcMdlWriteAbort (
IN PFILE_OBJECT FileObject,
IN PMDL MdlChain
)
IN PMDL MdlChain)
{
UNIMPLEMENTED;
UNIMPLEMENTED;
}
/*
@ -165,12 +166,11 @@ CcMdlWriteAbort (
VOID
NTAPI
CcPrepareMdlWrite (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
OUT PMDL * MdlChain,
OUT PIO_STATUS_BLOCK IoStatus
)
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
OUT PMDL * MdlChain,
OUT PIO_STATUS_BLOCK IoStatus)
{
UNIMPLEMENTED;
UNIMPLEMENTED;
}

179
reactos/ntoskrnl/cc/pin.c
View file

@ -24,13 +24,13 @@ extern NPAGED_LOOKASIDE_LIST iBcbLookasideList;
*/
BOOLEAN
NTAPI
CcMapData(
CcMapData (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID *pBcb,
OUT PVOID *pBuffer)
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID *pBcb,
OUT PVOID *pBuffer)
{
ULONG ReadOffset;
BOOLEAN Valid;
@ -61,14 +61,18 @@ CcMapData(
{
return FALSE;
}
ROffset = ROUND_DOWN (ReadOffset, Bcb->CacheSegmentSize);
Status = CcRosRequestCacheSegment(Bcb, ROffset,
pBuffer, &Valid,
ROffset = ROUND_DOWN(ReadOffset, Bcb->CacheSegmentSize);
Status = CcRosRequestCacheSegment(Bcb,
ROffset,
pBuffer,
&Valid,
&CacheSeg);
if (!NT_SUCCESS(Status))
{
return FALSE;
}
if (!Valid)
{
if (!(Flags & MAP_WAIT))
@ -76,10 +80,11 @@ CcMapData(
CcRosReleaseCacheSegment(Bcb, CacheSeg, FALSE, FALSE, FALSE);
return FALSE;
}
if (!NT_SUCCESS(ReadCacheSegment(CacheSeg)))
{
CcRosReleaseCacheSegment(Bcb, CacheSeg, FALSE, FALSE, FALSE);
return FALSE;
return FALSE;
}
}
@ -90,6 +95,7 @@ CcMapData(
CcRosReleaseCacheSegment(Bcb, CacheSeg, TRUE, FALSE, FALSE);
return FALSE;
}
memset(iBcb, 0, sizeof(INTERNAL_BCB));
iBcb->PFCB.NodeTypeCode = 0xDE45; /* Undocumented (CAPTIVE_PUBLIC_BCB_NODETYPECODE) */
iBcb->PFCB.NodeByteSize = sizeof(PUBLIC_BCB);
@ -99,6 +105,7 @@ CcMapData(
iBcb->Dirty = FALSE;
iBcb->RefCount = 1;
*pBcb = (PVOID)iBcb;
return TRUE;
}
@ -108,15 +115,14 @@ CcMapData(
BOOLEAN
NTAPI
CcPinMappedData (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID * Bcb
)
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID * Bcb)
{
/* no-op for current implementation. */
return TRUE;
/* no-op for current implementation. */
return TRUE;
}
/*
@ -125,22 +131,21 @@ CcPinMappedData (
BOOLEAN
NTAPI
CcPinRead (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID * Bcb,
OUT PVOID * Buffer
)
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN ULONG Flags,
OUT PVOID * Bcb,
OUT PVOID * Buffer)
{
if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer))
{
if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb))
return TRUE;
else
CcUnpinData(Bcb);
}
return FALSE;
if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer))
{
if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb))
return TRUE;
else
CcUnpinData(Bcb);
}
return FALSE;
}
/*
@ -149,35 +154,35 @@ CcPinRead (
BOOLEAN
NTAPI
CcPreparePinWrite (
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Zero,
IN ULONG Flags,
OUT PVOID * Bcb,
OUT PVOID * Buffer
)
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Zero,
IN ULONG Flags,
OUT PVOID * Bcb,
OUT PVOID * Buffer)
{
/*
* FIXME: This is function is similar to CcPinRead, but doesn't
* read the data if they're not present. Instead it should just
* prepare the cache segments and zero them out if Zero == TRUE.
*
* For now calling CcPinRead is better than returning error or
* just having UNIMPLEMENTED here.
*/
return CcPinRead(FileObject, FileOffset, Length, Flags, Bcb, Buffer);
/*
* FIXME: This is function is similar to CcPinRead, but doesn't
* read the data if they're not present. Instead it should just
* prepare the cache segments and zero them out if Zero == TRUE.
*
* For now calling CcPinRead is better than returning error or
* just having UNIMPLEMENTED here.
*/
return CcPinRead(FileObject, FileOffset, Length, Flags, Bcb, Buffer);
}
/*
* @implemented
*/
VOID NTAPI
CcSetDirtyPinnedData (IN PVOID Bcb,
IN PLARGE_INTEGER Lsn)
CcSetDirtyPinnedData (
IN PVOID Bcb,
IN PLARGE_INTEGER Lsn)
{
PINTERNAL_BCB iBcb = Bcb;
iBcb->Dirty = TRUE;
PINTERNAL_BCB iBcb = Bcb;
iBcb->Dirty = TRUE;
}
@ -185,15 +190,20 @@ CcSetDirtyPinnedData (IN PVOID Bcb,
* @implemented
*/
VOID NTAPI
CcUnpinData (IN PVOID Bcb)
CcUnpinData (
IN PVOID Bcb)
{
PINTERNAL_BCB iBcb = Bcb;
CcRosReleaseCacheSegment(iBcb->CacheSegment->Bcb, iBcb->CacheSegment, TRUE,
iBcb->Dirty, FALSE);
if (--iBcb->RefCount == 0)
{
ExFreeToNPagedLookasideList(&iBcbLookasideList, iBcb);
}
PINTERNAL_BCB iBcb = Bcb;
CcRosReleaseCacheSegment(iBcb->CacheSegment->Bcb,
iBcb->CacheSegment,
TRUE,
iBcb->Dirty,
FALSE);
if (--iBcb->RefCount == 0)
{
ExFreeToNPagedLookasideList(&iBcbLookasideList, iBcb);
}
}
/*
@ -202,11 +212,10 @@ CcUnpinData (IN PVOID Bcb)
VOID
NTAPI
CcUnpinDataForThread (
IN PVOID Bcb,
IN ERESOURCE_THREAD ResourceThreadId
)
IN PVOID Bcb,
IN ERESOURCE_THREAD ResourceThreadId)
{
UNIMPLEMENTED;
UNIMPLEMENTED;
}
/*
@ -215,11 +224,10 @@ CcUnpinDataForThread (
VOID
NTAPI
CcRepinBcb (
IN PVOID Bcb
)
IN PVOID Bcb)
{
PINTERNAL_BCB iBcb = Bcb;
iBcb->RefCount++;
PINTERNAL_BCB iBcb = Bcb;
iBcb->RefCount++;
}
/*
@ -228,38 +236,37 @@ CcRepinBcb (
VOID
NTAPI
CcUnpinRepinnedBcb (
IN PVOID Bcb,
IN BOOLEAN WriteThrough,
IN PIO_STATUS_BLOCK IoStatus
)
IN PVOID Bcb,
IN BOOLEAN WriteThrough,
IN PIO_STATUS_BLOCK IoStatus)
{
PINTERNAL_BCB iBcb = Bcb;
PINTERNAL_BCB iBcb = Bcb;
if (--iBcb->RefCount == 0)
if (--iBcb->RefCount == 0)
{
IoStatus->Information = 0;
if (WriteThrough)
IoStatus->Information = 0;
if (WriteThrough)
{
KeWaitForSingleObject(&iBcb->CacheSegment->Mutex,
Executive,
KernelMode,
FALSE,
NULL);
if (iBcb->CacheSegment->Dirty)
if (iBcb->CacheSegment->Dirty)
{
IoStatus->Status = CcRosFlushCacheSegment(iBcb->CacheSegment);
IoStatus->Status = CcRosFlushCacheSegment(iBcb->CacheSegment);
}
else
else
{
IoStatus->Status = STATUS_SUCCESS;
IoStatus->Status = STATUS_SUCCESS;
}
KeReleaseMutex(&iBcb->CacheSegment->Mutex, 0);
KeReleaseMutex(&iBcb->CacheSegment->Mutex, 0);
}
else
else
{
IoStatus->Status = STATUS_SUCCESS;
IoStatus->Status = STATUS_SUCCESS;
}
ExFreeToNPagedLookasideList(&iBcbLookasideList, iBcb);
ExFreeToNPagedLookasideList(&iBcbLookasideList, iBcb);
}
}

1410
reactos/ntoskrnl/cc/view.c
View file

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