516     PVFATFCB VolumeFcb = NULL;  in VfatMount()  local
729     VolumeFcb = vfatNewFCB(DeviceExt, &VolumeNameU);  in VfatMount()
730     if (VolumeFcb == NULL)  in VfatMount()
736     VolumeFcb->Flags = FCB_IS_VOLUME;  in VfatMount()
737 …VolumeFcb->RFCB.FileSize.QuadPart = (LONGLONG) DeviceExt->FatInfo.Sectors * DeviceExt->FatInfo.Byt…  in VfatMount()
738     VolumeFcb->RFCB.ValidDataLength = VolumeFcb->RFCB.FileSize;  in VfatMount()
739     VolumeFcb->RFCB.AllocationSize = VolumeFcb->RFCB.FileSize;  in VfatMount()
740     DeviceExt->VolumeFcb = VolumeFcb;  in VfatMount()
765             VolumeFcb->Flags |= VCB_CLEAR_DIRTY;  in VfatMount()
773     VolumeFcb->Flags |= VCB_IS_DIRTY;  in VfatMount()
1051     if (BooleanFlagOn(IrpContext->DeviceExt->VolumeFcb->Flags, VCB_IS_DIRTY) &&  in VfatIsVolumeDirty()
1052         !BooleanFlagOn(IrpContext->DeviceExt->VolumeFcb->Flags, VCB_CLEAR_DIRTY))  in VfatIsVolumeDirty()
1073     if (!BooleanFlagOn(DeviceExt->VolumeFcb->Flags, VCB_IS_DIRTY))  in VfatMarkVolumeDirty()
1078     DeviceExt->VolumeFcb->Flags &= ~VCB_CLEAR_DIRTY;  in VfatMarkVolumeDirty()
1229         VfatFlushVolume(DeviceExt, DeviceExt->VolumeFcb);  in VfatLockOrUnlockVolume()
1232         if (BooleanFlagOn(DeviceExt->VolumeFcb->Flags, VCB_CLEAR_DIRTY) &&  in VfatLockOrUnlockVolume()
1233             BooleanFlagOn(DeviceExt->VolumeFcb->Flags, VCB_IS_DIRTY))  in VfatLockOrUnlockVolume()
1237                 ClearFlag(DeviceExt->VolumeFcb->Flags, VCB_IS_DIRTY);  in VfatLockOrUnlockVolume()
1298     if (BooleanFlagOn(DeviceExt->VolumeFcb->Flags, VCB_CLEAR_DIRTY) &&  in VfatDismountVolume()
1299         BooleanFlagOn(DeviceExt->VolumeFcb->Flags, VCB_IS_DIRTY))  in VfatDismountVolume()
1303             DeviceExt->VolumeFcb->Flags &= ~VCB_IS_DIRTY;  in VfatDismountVolume()
1314         else if (Fcb == DeviceExt->VolumeFcb)  in VfatDismountVolume()
1315             DeviceExt->VolumeFcb = NULL;  in VfatDismountVolume()