LIST_ENTRY CcCleanSharedCacheMapList;
#if DBG
-VOID CcRosVacbIncRefCount_(PROS_VACB vacb, PCSTR file, INT line)
+ULONG CcRosVacbIncRefCount_(PROS_VACB vacb, PCSTR file, INT line)
{
- ++vacb->ReferenceCount;
+ ULONG Refs;
+
+ Refs = InterlockedIncrement((PLONG)&vacb->ReferenceCount);
if (vacb->SharedCacheMap->Trace)
{
DbgPrint("(%s:%i) VACB %p ++RefCount=%lu, Dirty %u, PageOut %lu\n",
- file, line, vacb, vacb->ReferenceCount, vacb->Dirty, vacb->PageOut);
+ file, line, vacb, Refs, vacb->Dirty, vacb->PageOut);
}
+
+ return Refs;
}
-VOID CcRosVacbDecRefCount_(PROS_VACB vacb, PCSTR file, INT line)
+ULONG CcRosVacbDecRefCount_(PROS_VACB vacb, PCSTR file, INT line)
{
- ASSERT(vacb->ReferenceCount != 0);
- --vacb->ReferenceCount;
- ASSERT(!(vacb->ReferenceCount == 0 && vacb->Dirty));
+ ULONG Refs;
+
+ Refs = InterlockedDecrement((PLONG)&vacb->ReferenceCount);
+ ASSERT(!(Refs == 0 && vacb->Dirty));
if (vacb->SharedCacheMap->Trace)
{
DbgPrint("(%s:%i) VACB %p --RefCount=%lu, Dirty %u, PageOut %lu\n",
- file, line, vacb, vacb->ReferenceCount, vacb->Dirty, vacb->PageOut);
+ file, line, vacb, Refs, vacb->Dirty, vacb->PageOut);
}
+
+ return Refs;
+}
+ULONG CcRosVacbGetRefCount_(PROS_VACB vacb, PCSTR file, INT line)
+{
+ ULONG Refs;
+
+ Refs = InterlockedCompareExchange((PLONG)&vacb->ReferenceCount, 0, 0);
+ if (vacb->SharedCacheMap->Trace)
+ {
+ DbgPrint("(%s:%i) VACB %p ==RefCount=%lu, Dirty %u, PageOut %lu\n",
+ file, line, vacb, Refs, vacb->Dirty, vacb->PageOut);
+ }
+
+ return Refs;
}
#endif
ASSERT(current->Dirty);
/* One reference is added above */
- if (current->ReferenceCount > 2)
+ if (CcRosVacbGetRefCount(current) > 2)
{
CcRosReleaseVacbLock(current);
current->SharedCacheMap->Callbacks->ReleaseFromLazyWrite(
current_entry = VacbLruListHead.Flink;
while (current_entry != &VacbLruListHead)
{
+ ULONG Refs;
+
current = CONTAINING_RECORD(current_entry,
ROS_VACB,
VacbLruListEntry);
}
/* Dereference the VACB */
- CcRosVacbDecRefCount(current);
+ Refs = CcRosVacbDecRefCount(current);
/* Check if we can free this entry now */
- if (current->ReferenceCount < 2)
+ if (Refs < 2)
{
ASSERT(!current->Dirty);
ASSERT(!current->MappedCount);
- ASSERT(current->ReferenceCount == 1);
+ ASSERT(Refs == 1);
RemoveEntryList(¤t->CacheMapVacbListEntry);
RemoveEntryList(¤t->VacbLruListEntry);
BOOLEAN Dirty,
BOOLEAN Mapped)
{
+ ULONG Refs;
ASSERT(SharedCacheMap);
DPRINT("CcRosReleaseVacb(SharedCacheMap 0x%p, Vacb 0x%p, Valid %u)\n",
{
Vacb->MappedCount++;
}
- CcRosVacbDecRefCount(Vacb);
+ Refs = CcRosVacbDecRefCount(Vacb);
if (Mapped && (Vacb->MappedCount == 1))
{
CcRosVacbIncRefCount(Vacb);
}
- ASSERT(Vacb->ReferenceCount > 0);
+ ASSERT(Refs > 0);
CcRosReleaseVacbLock(Vacb);
{
PROS_VACB current;
NTSTATUS Status;
+ ULONG Refs;
ASSERT(SharedCacheMap);
}
}
+ Refs = CcRosVacbGetRefCount(current);
+
KeAcquireGuardedMutex(&ViewLock);
/* Move to the tail of the LRU list */
*Vacb = current;
*BaseOffset = current->FileOffset.QuadPart;
- ASSERT(current->ReferenceCount > 1);
+ ASSERT(Refs > 1);
return STATUS_SUCCESS;
}