UDT            : _REAL_NOTIFY_SYNC
Data           :   this+0x0, Member, Type: struct _FAST_MUTEX, FastMutex
UDT            :     _FAST_MUTEX
Data           :   this+0x20, Member, Type: unsigned long, OwningThread
Data           :   this+0x24, Member, Type: unsigned long, OwnerCount
It's just initializing a fast mutex and setting the owner to NULL and
count to 0.
On 11-Oct-08, at 7:29 AM, pschweitzer(a)svn.reactos.org wrote:
  VOID
 NTAPI
 FsRtlNotifyInitializeSync(IN PNOTIFY_SYNC *NotifySync)
 {
 -    KEBUGCHECK(0);
 +    PINT_NOTIFY_SYNC IntNotifySync;
 +
 +    *NotifySync = NULL;
 +
 +    IntNotifySync = FsRtlAllocatePoolWithTag(NonPagedPool,
 sizeof(INT_NOTIFY_SYNC), TAG('F', 'S', 'N', 'S'));
 +    IntNotifySync->Unknown1 = 0;
 +    IntNotifySync->Unknown2 = 0;
 +    IntNotifySync->Unknown5 = 0;
 +    IntNotifySync->Unknown0 = 1;
 +    IntNotifySync->Unknown3 = 1;
 +    IntNotifySync->Unknown4 = 4;
 +    InitializeListHead(&(IntNotifySync->Unknown6));
 +    IntNotifySync->Unknown8 = 0;
 +    IntNotifySync->Unknown9 = 0;
 +
 +    *NotifySync = IntNotifySync; 
Best regards,
Alex Ionescu