// Global Cc Data
//
extern ULONG CcRosTraceLevel;
+extern LIST_ENTRY DirtyVacbListHead;
+extern ULONG CcDirtyPageThreshold;
+extern ULONG CcTotalDirtyPages;
+extern LIST_ENTRY CcDeferredWrites;
+extern KSPIN_LOCK CcDeferredWriteSpinLock;
typedef struct _PF_SCENARIO_ID
{
PFILE_OBJECT FileObject;
LARGE_INTEGER SectionSize;
LARGE_INTEGER FileSize;
+ BOOLEAN PinAccess;
PCACHE_MANAGER_CALLBACKS Callbacks;
PVOID LazyWriteContext;
KSPIN_LOCK CacheMapLock;
- ULONG RefCount;
+ ULONG OpenCount;
+ ULONG DirtyPages;
+ LIST_ENTRY SharedCacheMapLinks;
+ ULONG DirtyPageThreshold;
#if DBG
BOOLEAN Trace; /* enable extra trace output for this cache map and it's VACBs */
#endif
KMUTEX Mutex;
/* Number of references. */
ULONG ReferenceCount;
+ /* How many times was it pinned? */
+ _Guarded_by_(Mutex)
+ LONG PinCount;
/* Pointer to the shared cache map for the file which this view maps data for. */
PROS_SHARED_CACHE_MAP SharedCacheMap;
/* Pointer to the next VACB in a chain. */
typedef struct _INTERNAL_BCB
{
+ /* Lock */
+ ERESOURCE Lock;
PUBLIC_BCB PFCB;
PROS_VACB Vacb;
BOOLEAN Dirty;
+ BOOLEAN Pinned;
CSHORT RefCount; /* (At offset 0x34 on WinNT4) */
} INTERNAL_BCB, *PINTERNAL_BCB;
+#define NODE_TYPE_DEFERRED_WRITE 0x02FC
+
VOID
NTAPI
CcPfInitializePrefetcher(
PROS_VACB *Vacb
);
-VOID
+BOOLEAN
NTAPI
CcInitView(VOID);
+VOID
+NTAPI
+CcShutdownLazyWriter(VOID);
+
NTSTATUS
NTAPI
CcReadVirtualAddress(PROS_VACB Vacb);
NTSTATUS
NTAPI
-CcRosMarkDirtyVacb(
+CcRosMarkDirtyFile(
PROS_SHARED_CACHE_MAP SharedCacheMap,
LONGLONG FileOffset
);
+VOID
+NTAPI
+CcRosMarkDirtyVacb(
+ PROS_VACB Vacb);
+
+VOID
+NTAPI
+CcRosUnmarkDirtyVacb(
+ PROS_VACB Vacb,
+ BOOLEAN LockViews);
+
NTSTATUS
NTAPI
CcRosFlushDirtyPages(
ULONG Target,
PULONG Count,
- BOOLEAN Wait
+ BOOLEAN Wait,
+ BOOLEAN CalledFromLazy
);
VOID
CcRosInitializeFileCache(
PFILE_OBJECT FileObject,
PCC_FILE_SIZES FileSizes,
+ BOOLEAN PinAccess,
PCACHE_MANAGER_CALLBACKS CallBacks,
PVOID LazyWriterContext
);
NTAPI
CcTryToInitializeFileCache(PFILE_OBJECT FileObject);
+VOID
+NTAPI
+CcShutdownSystem(VOID);
+
+FORCEINLINE
+NTSTATUS
+CcRosAcquireVacbLock(
+ _Inout_ PROS_VACB Vacb,
+ _In_ PLARGE_INTEGER Timeout)
+{
+ NTSTATUS Status;
+ Status = KeWaitForSingleObject(&Vacb->Mutex,
+ Executive,
+ KernelMode,
+ FALSE,
+ Timeout);
+ return Status;
+}
+
+FORCEINLINE
+VOID
+CcRosReleaseVacbLock(
+ _Inout_ PROS_VACB Vacb)
+{
+ KeReleaseMutex(&Vacb->Mutex, FALSE);
+}
+
FORCEINLINE
BOOLEAN
DoRangesIntersect(