can TopLevel IRP be NULL for Paging I/O. if yes when?
You will find some answers if you search the group; there was even a recent thread.
“Mani” wrote in message news:xxxxx@ntfsd…
can TopLevel IRP be NULL for Paging I/O. if yes when?
I think it can be 0x0 for paging request if the request is initiated due to page fault. It can’t be 0x0 if request was originated in read-ahead or lazy-writer thread or flush operation was initiated by the cache manager.
“Mani” wrote in message news:xxxxx@ntfsd…
can TopLevel IRP be NULL for Paging I/O. if yes when?