filesystems/fastfat/write.c

2184                     PULONG WriteMask = FcbOrDcb->WriteMask;  local
2186                     if (NULL == WriteMask) {
2188                         WriteMask = FsRtlAllocatePoolWithTag( NonPagedPoolNx,
2192                         FcbOrDcb->WriteMask = WriteMask;
2193                         RtlZeroMemory(WriteMask, (MY_SIZE/PAGE_SIZE) / 8);
2206                             WriteMask[(Off/PAGE_SIZE) / 32] |=
2228                     PULONG WriteMask = (PULONG)FcbOrDcb->WriteMask;  local
2230                     if (NULL == WriteMask) {
2232                         WriteMask = FsRtlAllocatePoolWithTag( NonPagedPoolNx,
2236                         FcbOrDcb->WriteMask = WriteMask;
2237                         RtlZeroMemory(WriteMask, (MY_SIZE/PAGE_SIZE) * sizeof(ULONG));
2251                             InterlockedExchange( WriteMask + Off/PAGE_SIZE, Tick );