IRP Processing Examples
The following sections describe how IRPs might be processed in two prototype drivers. One is a prototype of a lowest-level driver for a mass storage device. The other is a prototype for an intermediate-level mirror driver, which would exist above the lowest-level driver in a stack of storage drivers. (A mirror driver duplicates all write requests to multiple driver, and alternates read requests among the duplicate drives.)
To learn more about creating and sending IRPs, see Different ways of handling IRPs – cheat sheet.