How could I get the new content of a special file as it is reade d

NTFSD
1

I want to get the new content of a special file,when someone read
it.The new content means what the man just read

i hook the IRP_MJ_READ but sometimes (for example read one file using
notepad.exe)
it did’t send IRP_MH_READ request ,so how should i do and how can i get the
conten being readed

thanks for your help
regards