IRP Function Codes

[admin]

This section summarizes the aspects of handling and operation of I/O request packet (IRP) function codes that are specific to file system drivers and file system filter drivers.
For detailed information about how to write dispatch routines that perform the tasks that are described in the "Operation: File System Drivers" and "Operation: File System Filter Drivers" subsections of each topic, see Writing IRP Dispatch Routines.
For more general information about these requests, see IRP Major Function Codes.

In this section

IRP_MJ_CLEANUP
IRP_MJ_CLOSE
IRP_MJ_CREATE
IRP_MJ_DEVICE_CONTROL
IRP_MJ_DIRECTORY_CONTROL
IRP_MJ_FILE_SYSTEM_CONTROL
IRP_MJ_FLUSH_BUFFERS
IRP_MJ_INTERNAL_DEVICE_CONTROL
IRP_MJ_LOCK_CONTROL
IRP_MJ_PNP
IRP_MJ_QUERY_EA
IRP_MJ_QUERY_INFORMATION
IRP_MJ_QUERY_QUOTA
IRP_MJ_QUERY_SECURITY
IRP_MJ_QUERY_VOLUME_INFORMATION
IRP_MJ_READ
IRP_MJ_SET_EA
IRP_MJ_SET_INFORMATION
IRP_MJ_SET_QUOTA
IRP_MJ_SET_SECURITY
IRP_MJ_SET_VOLUME_INFORMATION
IRP_MJ_SHUTDOWN
IRP_MJ_WRITE