Page 152 - slides.dvi
P. 152

•
                                                          •
                                  •
   NT
                                                    –
                      –
                                         –
                           –
                                              –
                                                                                                               I/O
   Case
                                                          The
                      an
                                  Basic
                                                    file
                           each
   Study—
                                              cache
                                                          I/O
                                         device
                      I/O
               File-system
                           I/O
                                  model
   Executive
               &
                                                    systems
                                  is
                                                                                                               Manager
                                         drivers
                                                          Manager
                      Request
   Functions
                                                          is
               device
                                              management
                           operation
                                                                                    I/O
                      Packet
                                                                                 Manager
               drivers
                                                                                                         I/O Requests
                                  asynchronous:
                           explicitly
               are
                                                          responsible
                      (IRP)
                                                          for:
                           split
                      used
                      to
                           into
                                                                                                  File
               stackable.
                                                                                             Driver
                                                                      Driver
                           a
                                                                                  Driver
                                                                        Device
                                                                                               System
               .
                                                                                    Intermediate
               .
                      hold
                           request
                           and
                                                                    HAL
                           a
                      parameters,


                      results,
                           response


                      etc.












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