KeQuerySystemTime((PLARGE_INTEGER)&IoEnterTime);
#endif //MEASURE_IO_PERFORMANCE
-#if defined DBG || defined USE_PERF_PRINT
+#if defined UDF_DBG || defined USE_PERF_PRINT
ULONG Lba = (ULONG)(Offset>>0xb);
// ASSERT(!(Lba & (32-1)));
PerfPrint(("UDFPhWrite: Length: %x Lba: %lx\n",Length>>0xb,Lba));