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Topic: Minifilter and FLT_PREOP_DISALLOW_FASTIO

All greetings! And whether correctly I understood that if, for example, in PreWrite-callback comes FLTFL_CALLBACK_DATA_FAST_IO_OPERATION, after if (FLT_IS_FASTIO_OPERATION (Data)) {return FLT_PREOP_DISALLOW_FASTIO;} to me repeatedly comes too most, only through IRP already? And whether correctly I understood, what in case of caching, for example, records, will just come these most FastIo? In advance thanks!