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[NTOSKRNL] Use the LockQueueMasterLock where appropriate

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This commit is contained in:
Pierre Schweitzer 2018-02-07 21:35:22 +01:00
parent 19c822341b
commit 323f71a551
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GPG key ID: 7545556C3D585B0B
3 changed files with 10 additions and 3 deletions
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5
ntoskrnl/cc/copy.c
View file

@ -628,6 +628,7 @@ CcDeferWrite (
IN ULONG BytesToWrite, IN ULONG BytesToWrite,
IN BOOLEAN Retrying) IN BOOLEAN Retrying)
{ {
KIRQL OldIrql;
PDEFERRED_WRITE Context; PDEFERRED_WRITE Context;
PFSRTL_COMMON_FCB_HEADER Fcb; PFSRTL_COMMON_FCB_HEADER Fcb;
@ -675,11 +676,13 @@ CcDeferWrite (
/* Try to execute the posted writes */ /* Try to execute the posted writes */
CcPostDeferredWrites(); CcPostDeferredWrites();
/* FIXME: lock master */ /* Schedule a lazy writer run to handle deferred writes */
OldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
if (!LazyWriter.ScanActive) if (!LazyWriter.ScanActive)
{ {
CcScheduleLazyWriteScan(FALSE); CcScheduleLazyWriteScan(FALSE);
} }
KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
} }
/* /*

4
ntoskrnl/cc/lazywrite.c
View file

@ -119,7 +119,6 @@ CcScanDpc(
CcPostWorkQueue(WorkItem, &CcRegularWorkQueue); CcPostWorkQueue(WorkItem, &CcRegularWorkQueue);
} }
/* FIXME: handle master lock */
VOID VOID
CcLazyWriteScan(VOID) CcLazyWriteScan(VOID)
{ {
@ -165,6 +164,7 @@ CcLazyWriteScan(VOID)
CcPostDeferredWrites(); CcPostDeferredWrites();
} }
/* Post items that were due for end of run */
while (!IsListEmpty(&ToPost)) while (!IsListEmpty(&ToPost))
{ {
ListEntry = RemoveHeadList(&ToPost); ListEntry = RemoveHeadList(&ToPost);
@ -173,7 +173,9 @@ CcLazyWriteScan(VOID)
} }
/* We're no longer active */ /* We're no longer active */
OldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
LazyWriter.ScanActive = FALSE; LazyWriter.ScanActive = FALSE;
KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);
} }
VOID CcScheduleLazyWriteScan( VOID CcScheduleLazyWriteScan(

4
ntoskrnl/cc/view.c
View file

@ -520,11 +520,13 @@ CcRosMarkDirtyVacb (
KeReleaseSpinLock(&SharedCacheMap->CacheMapLock, oldIrql); KeReleaseSpinLock(&SharedCacheMap->CacheMapLock, oldIrql);
KeReleaseGuardedMutex(&ViewLock); KeReleaseGuardedMutex(&ViewLock);
/* FIXME: lock master */ /* Schedule a lazy writer run to now that we have dirty VACB */
oldIrql = KeAcquireQueuedSpinLock(LockQueueMasterLock);
if (!LazyWriter.ScanActive) if (!LazyWriter.ScanActive)
{ {
CcScheduleLazyWriteScan(FALSE); CcScheduleLazyWriteScan(FALSE);
} }
KeReleaseQueuedSpinLock(LockQueueMasterLock, oldIrql);
} }
VOID VOID