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sys, dll: IRP_MJ_DIRECTORY_CONTROL: implementation

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This commit is contained in:
Bill Zissimopoulos
2016-03-19 13:16:01 -07:00
parent 8870ebc7f0
commit 6fc43c6ca2
11 changed files with 618 additions and 12 deletions
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21
src/sys/device.c
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@ -290,7 +290,7 @@ static NTSTATUS FspFsvolDeviceInit(PDEVICE_OBJECT DeviceObject)
NTSTATUS Result;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(DeviceObject);
LARGE_INTEGER IrpTimeout;
LARGE_INTEGER MetaTimeout;
LARGE_INTEGER SecurityTimeout, DirInfoTimeout;
/*
* Volume device initialization is a mess, because of the different ways of
@ -327,15 +327,25 @@ static NTSTATUS FspFsvolDeviceInit(PDEVICE_OBJECT DeviceObject)
FsvolDeviceExtension->InitDoneIoq = 1;
/* create our security meta cache */
MetaTimeout.QuadPart = FspTimeoutFromMillis(FsvolDeviceExtension->VolumeParams.FileInfoTimeout);
SecurityTimeout.QuadPart = FspTimeoutFromMillis(FsvolDeviceExtension->VolumeParams.FileInfoTimeout);
/* convert millis to nanos */
Result = FspMetaCacheCreate(
FspFsvolDeviceSecurityCacheCapacity, FspFsvolDeviceSecurityCacheItemSizeMax, &MetaTimeout,
FspFsvolDeviceSecurityCacheCapacity, FspFsvolDeviceSecurityCacheItemSizeMax, &SecurityTimeout,
&FsvolDeviceExtension->SecurityCache);
if (!NT_SUCCESS(Result))
return Result;
FsvolDeviceExtension->InitDoneSec = 1;
/* create our directory meta cache */
DirInfoTimeout.QuadPart = FspTimeoutFromMillis(FsvolDeviceExtension->VolumeParams.FileInfoTimeout);
/* convert millis to nanos */
Result = FspMetaCacheCreate(
FspFsvolDeviceDirInfoCacheCapacity, FspFsvolDeviceDirInfoCacheItemSizeMax, &DirInfoTimeout,
&FsvolDeviceExtension->DirInfoCache);
if (!NT_SUCCESS(Result))
return Result;
FsvolDeviceExtension->InitDoneDir = 1;
/* initialize our context table */
ExInitializeResourceLite(&FsvolDeviceExtension->FileRenameResource);
ExInitializeResourceLite(&FsvolDeviceExtension->ContextTableResource);
@ -385,6 +395,10 @@ static VOID FspFsvolDeviceFini(PDEVICE_OBJECT DeviceObject)
if (FsvolDeviceExtension->InitDoneTimer)
IoStopTimer(DeviceObject);
/* delete the directory meta cache */
if (FsvolDeviceExtension->InitDoneDir)
FspMetaCacheDelete(FsvolDeviceExtension->DirInfoCache);
/* delete the security meta cache */
if (FsvolDeviceExtension->InitDoneSec)
FspMetaCacheDelete(FsvolDeviceExtension->SecurityCache);
@ -462,6 +476,7 @@ static VOID FspFsvolDeviceExpirationRoutine(PVOID Context)
InterruptTime = KeQueryInterruptTime();
FspMetaCacheInvalidateExpired(FsvolDeviceExtension->SecurityCache, InterruptTime);
FspMetaCacheInvalidateExpired(FsvolDeviceExtension->DirInfoCache, InterruptTime);
FspIoqRemoveExpired(FsvolDeviceExtension->Ioq, InterruptTime);
KeAcquireSpinLock(&FsvolDeviceExtension->ExpirationLock, &Irql);