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Getting fastio in minifilter
I am trying to build a filespy filter can anyone tell me how to intercept the fastio callbacks in minifilter.
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Comments
FltMgr abstracts the Fast I/O callbacks as IRP_MJ_XXX operations. You can use the FLT_IS_FASTIO_OPERATION macro to know if the FLT_CALLBACK_DATA actually represents a Fast I/O operation:
https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/fltkernel/nf-fltkernel-flt_is_fastio_operation
-scott
OSR