ntoskrnl/cc/cacheman.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/cc/cacheman.c
   5  * PURPOSE:         Cache manager
   6  *
   7  * PROGRAMMERS:     David Welch (welch@cwcom.net)
   8  */
   9
  10 /* INCLUDES *****************************************************************/
  11
  12 #include <ntoskrnl.h>
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 PFSN_PREFETCHER_GLOBALS CcPfGlobals;
  17
  18 /* FUNCTIONS *****************************************************************/
  19
  20 VOID
  21 NTAPI
  22 CcPfInitializePrefetcher(VOID)
  23 {
  24     /* Notify debugger */
  25     DbgPrintEx(DPFLTR_PREFETCHER_ID,
  26                DPFLTR_TRACE_LEVEL,
  27                "CCPF: InitializePrefetecher()\n");
  28
  29     /* Setup the Prefetcher Data */
  30     InitializeListHead(&CcPfGlobals.ActiveTraces);
  31     InitializeListHead(&CcPfGlobals.CompletedTraces);
  32     ExInitializeFastMutex(&CcPfGlobals.CompletedTracesLock);
  33
  34     /* FIXME: Setup the rest of the prefetecher */
  35 }
  36
  37 BOOLEAN
  38 NTAPI
  39 CcInitializeCacheManager(VOID)
  40 {
  41     CcInitView();
  42     return TRUE;
  43 }
  44
  45 /*
  46  * @unimplemented
  47  */
  48 LARGE_INTEGER
  49 NTAPI
  50 CcGetFlushedValidData (
  51     IN PSECTION_OBJECT_POINTERS SectionObjectPointer,
  52     IN BOOLEAN BcbListHeld
  53     )
  54 {
  55         LARGE_INTEGER i;
  56
  57         UNIMPLEMENTED;
  58
  59         i.QuadPart = 0;
  60         return i;
  61 }
  62
  63 /*
  64  * @unimplemented
  65  */
  66 PVOID
  67 NTAPI
  68 CcRemapBcb (
  69     IN PVOID Bcb
  70     )
  71 {
  72         UNIMPLEMENTED;
  73
  74     return 0;
  75 }
  76
  77 /*
  78  * @unimplemented
  79  */
  80 VOID
  81 NTAPI
  82 CcScheduleReadAhead (
  83         IN      PFILE_OBJECT            FileObject,
  84         IN      PLARGE_INTEGER          FileOffset,
  85         IN      ULONG                   Length
  86         )
  87 {
  88         UNIMPLEMENTED;
  89 }
  90
  91 /*
  92  * @unimplemented
  93  */
  94 VOID
  95 NTAPI
  96 CcSetAdditionalCacheAttributes (
  97         IN      PFILE_OBJECT    FileObject,
  98         IN      BOOLEAN         DisableReadAhead,
  99         IN      BOOLEAN         DisableWriteBehind
 100         )
 101 {
 102         UNIMPLEMENTED;
 103 }
 104
 105 /*
 106  * @unimplemented
 107  */
 108 VOID
 109 NTAPI
 110 CcSetBcbOwnerPointer (
 111         IN      PVOID   Bcb,
 112         IN      PVOID   Owner
 113         )
 114 {
 115         UNIMPLEMENTED;
 116 }
 117
 118 /*
 119  * @unimplemented
 120  */
 121 VOID
 122 NTAPI
 123 CcSetDirtyPageThreshold (
 124         IN      PFILE_OBJECT    FileObject,
 125         IN      ULONG           DirtyPageThreshold
 126         )
 127 {
 128         UNIMPLEMENTED;
 129 }
 130
 131 /*
 132  * @unimplemented
 133  */
 134 VOID
 135 NTAPI
 136 CcSetReadAheadGranularity (
 137         IN      PFILE_OBJECT    FileObject,
 138         IN      ULONG           Granularity
 139         )
 140 {
 141         UNIMPLEMENTED;
 142 }