[tfaber] 71991: [NTOS:CC] - Centralize VACB locking/unlocking into inline functions for easier instrumentation

Author: tfaber
Date: Sun Jul 24 17:10:30 2016
New Revision: 71991

URL: http://svn.reactos.org/svn/reactos?rev=71991&view=rev
Log:
[NTOS:CC]
- Centralize VACB locking/unlocking into inline functions for easier instrumentation

Modified:
    trunk/reactos/ntoskrnl/cc/pin.c
    trunk/reactos/ntoskrnl/cc/view.c
    trunk/reactos/ntoskrnl/include/internal/cc.h

Modified: trunk/reactos/ntoskrnl/cc/pin.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/pin.c?rev=71991...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] Sun Jul 24 17:10:30 2016
@@ -187,7 +187,7 @@
             iBcb->Pinned = TRUE;
             if (InterlockedIncrement(&iBcb->Vacb->PinCount) == 1)
             {
-                KeReleaseMutex(&iBcb->Vacb->Mutex, FALSE);
+                CcRosReleaseVacbLock(iBcb->Vacb);
             }

if (Flags & PIN_EXCLUSIVE)
@@ -283,11 +283,7 @@
         iBcb->Pinned = FALSE;
         if (InterlockedDecrement(&iBcb->Vacb->PinCount) == 0)
         {
-            KeWaitForSingleObject(&iBcb->Vacb->Mutex,
-                                  Executive,
-                                  KernelMode,
-                                  FALSE,
-                                  NULL);
+            CcRosAcquireVacbLock(iBcb->Vacb, NULL);
         }
     }

@@ -339,11 +335,7 @@
         IoStatus->Information = 0;
         if (WriteThrough)
         {
-            KeWaitForSingleObject(&iBcb->Vacb->Mutex,
-                                  Executive,
-                                  KernelMode,
-                                  FALSE,
-                                  NULL);
+            CcRosAcquireVacbLock(iBcb->Vacb, NULL);
             if (iBcb->Vacb->Dirty)
             {
                 IoStatus->Status = CcRosFlushVacb(iBcb->Vacb);
@@ -352,7 +344,7 @@
             {
                 IoStatus->Status = STATUS_SUCCESS;
             }
-            KeReleaseMutex(&iBcb->Vacb->Mutex, FALSE);
+            CcRosReleaseVacbLock(iBcb->Vacb);
         }
         else
         {
@@ -365,11 +357,7 @@
             iBcb->Pinned = FALSE;
             if (InterlockedDecrement(&iBcb->Vacb->PinCount) == 0)
             {
-                KeWaitForSingleObject(&iBcb->Vacb->Mutex,
-                                      Executive,
-                                      KernelMode,
-                                      FALSE,
-                                      NULL);
+                CcRosAcquireVacbLock(iBcb->Vacb, NULL);
             }
         }
         ExDeleteResourceLite(&iBcb->Lock);

Modified: trunk/reactos/ntoskrnl/cc/view.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/view.c?rev=7199...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/view.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/view.c	[iso-8859-1] Sun Jul 24 17:10:30 2016
@@ -199,11 +199,8 @@
             continue;
         }

-        Status = KeWaitForSingleObject(&current->Mutex,
-                                       Executive,
-                                       KernelMode,
-                                       FALSE,
-                                       Wait ? NULL : &ZeroTimeout);
+        Status = CcRosAcquireVacbLock(current,
+                                      Wait ? NULL : &ZeroTimeout);
         if (Status != STATUS_SUCCESS)
         {
             current->SharedCacheMap->Callbacks->ReleaseFromLazyWrite(
@@ -217,7 +214,7 @@
         /* One reference is added above */
         if (current->ReferenceCount > 2)
         {
-            KeReleaseMutex(&current->Mutex, FALSE);
+            CcRosReleaseVacbLock(current);
             current->SharedCacheMap->Callbacks->ReleaseFromLazyWrite(
                 current->SharedCacheMap->LazyWriteContext);
             CcRosVacbDecRefCount(current);
@@ -228,7 +225,7 @@

Status = CcRosFlushVacb(current);

-        KeReleaseMutex(&current->Mutex, FALSE);
+        CcRosReleaseVacbLock(current);
         current->SharedCacheMap->Callbacks->ReleaseFromLazyWrite(
             current->SharedCacheMap->LazyWriteContext);

@@ -427,7 +424,7 @@
     KeReleaseGuardedMutex(&ViewLock);
     if (InterlockedCompareExchange(&Vacb->PinCount, 0, 0) == 0)
     {
-        KeReleaseMutex(&Vacb->Mutex, FALSE);
+        CcRosReleaseVacbLock(Vacb);
     }

return STATUS_SUCCESS;
@@ -467,11 +464,7 @@
             KeReleaseGuardedMutex(&ViewLock);
             if (InterlockedCompareExchange(&current->PinCount, 0, 0) == 0)
             {
-                KeWaitForSingleObject(&current->Mutex,
-                                      Executive,
-                                      KernelMode,
-                                      FALSE,
-                                      NULL);
+                CcRosAcquireVacbLock(current, NULL);
             }
             return current;
         }
@@ -527,7 +520,7 @@

KeReleaseSpinLock(&SharedCacheMap->CacheMapLock, oldIrql);
     KeReleaseGuardedMutex(&ViewLock);
-    KeReleaseMutex(&Vacb->Mutex, FALSE);
+    CcRosReleaseVacbLock(Vacb);

return STATUS_SUCCESS;
 }
@@ -580,7 +573,7 @@

KeReleaseSpinLock(&SharedCacheMap->CacheMapLock, oldIrql);
     KeReleaseGuardedMutex(&ViewLock);
-    KeReleaseMutex(&Vacb->Mutex, FALSE);
+    CcRosReleaseVacbLock(Vacb);

return STATUS_SUCCESS;
 }
@@ -683,11 +676,7 @@
     current->ReferenceCount = 1;
     current->PinCount = 0;
     KeInitializeMutex(&current->Mutex, 0);
-    KeWaitForSingleObject(&current->Mutex,
-                          Executive,
-                          KernelMode,
-                          FALSE,
-                          NULL);
+    CcRosAcquireVacbLock(current, NULL);
     KeAcquireGuardedMutex(&ViewLock);

*Vacb = current;
@@ -719,17 +708,13 @@
                         current);
             }
 #endif
-            KeReleaseMutex(&(*Vacb)->Mutex, FALSE);
+            CcRosReleaseVacbLock(*Vacb);
             KeReleaseGuardedMutex(&ViewLock);
             ExFreeToNPagedLookasideList(&VacbLookasideList, *Vacb);
             *Vacb = current;
             if (InterlockedCompareExchange(&current->PinCount, 0, 0) == 0)
             {
-                KeWaitForSingleObject(&current->Mutex,
-                                      Executive,
-                                      KernelMode,
-                                      FALSE,
-                                      NULL);
+                CcRosAcquireVacbLock(current, NULL);
             }
             return STATUS_SUCCESS;
         }
@@ -962,7 +947,7 @@

if (InterlockedCompareExchange(&current->PinCount, 0, 0) == 0)
                 {
-                    KeReleaseMutex(&current->Mutex, FALSE);
+                    CcRosReleaseVacbLock(current);
                 }

KeAcquireGuardedMutex(&ViewLock);

Modified: trunk/reactos/ntoskrnl/include/internal/cc.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/c...
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/cc.h	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/include/internal/cc.h	[iso-8859-1] Sun Jul 24 17:10:30 2016
@@ -341,6 +341,29 @@
 CcTryToInitializeFileCache(PFILE_OBJECT FileObject);

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(
     _In_ LONGLONG Offset1,