with the toaster example filter can i install that as a upper
filter driver for a usb massstorage device, i want to
manipulate file data, eg decrypt files on the fly, there is a
sfilter is that the same as the toaster but with fastio
support?? when i install diskperf as upperfilter driver it is
in regestry a pnp filter driver? why is that in ifs ? should
that be in the ddk. and what is wmi ?