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[NTOSKRNL] Drop the iSharedCacheMapLock in favor of the master lock

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This commit is contained in:
Pierre Schweitzer 2018-02-09 11:13:53 +01:00
parent 8119e0ad2b
commit 0518444217
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GPG Key ID: 7545556C3D585B0B
1 changed files with 6 additions and 12 deletions
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18
ntoskrnl/cc/view.c
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@ -64,11 +64,6 @@ LIST_ENTRY CcDeferredWrites;
KSPIN_LOCK CcDeferredWriteSpinLock;
LIST_ENTRY CcCleanSharedCacheMapList;
/* Internal vars (ROS):
* - Lock for the CcCleanSharedCacheMapList list
*/
KSPIN_LOCK iSharedCacheMapLock;
#if DBG
static void CcRosVacbIncRefCount_(PROS_VACB vacb, const char* file, int line)
{
@ -1100,9 +1095,9 @@ CcRosDeleteFileCache (
CcRosInternalFreeVacb(current);
}
KeAcquireSpinLock(&iSharedCacheMapLock, &OldIrql);
OldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
RemoveEntryList(&SharedCacheMap->SharedCacheMapLinks);
KeReleaseSpinLock(&iSharedCacheMapLock, OldIrql);
KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
ExFreeToNPagedLookasideList(&SharedCacheMapLookasideList, SharedCacheMap);
KeAcquireGuardedMutex(&ViewLock);
@ -1267,9 +1262,9 @@ CcRosInitializeFileCache (
InitializeListHead(&SharedCacheMap->CacheMapVacbListHead);
FileObject->SectionObjectPointer->SharedCacheMap = SharedCacheMap;
KeAcquireSpinLock(&iSharedCacheMapLock, &OldIrql);
OldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
InsertTailList(&CcCleanSharedCacheMapList, &SharedCacheMap->SharedCacheMapLinks);
KeReleaseSpinLock(&iSharedCacheMapLock, OldIrql);
KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
}
if (FileObject->PrivateCacheMap == NULL)
{
@ -1282,9 +1277,9 @@ CcRosInitializeFileCache (
/* If we also allocated the shared cache map for this file, kill it */
if (Allocated)
{
KeAcquireSpinLock(&iSharedCacheMapLock, &OldIrql);
OldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
RemoveEntryList(&SharedCacheMap->SharedCacheMapLinks);
KeReleaseSpinLock(&iSharedCacheMapLock, OldIrql);
KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
FileObject->SectionObjectPointer->SharedCacheMap = NULL;
ObDereferenceObject(FileObject);
@ -1349,7 +1344,6 @@ CcInitView (
InitializeListHead(&CcDeferredWrites);
InitializeListHead(&CcCleanSharedCacheMapList);
KeInitializeSpinLock(&CcDeferredWriteSpinLock);
KeInitializeSpinLock(&iSharedCacheMapLock);
KeInitializeGuardedMutex(&ViewLock);
ExInitializeNPagedLookasideList(&iBcbLookasideList,
NULL,