13. Managing I/O Devices ..........................................
13.1 I/O Architecture .............................................
13.2 Associating Files with I/O Devices ...............................
13.3 Device Drivers ..............................................
13.4 Character Device Handling .....................................
13.5 Block Device Handling ........................................
13.6 Page I/O Operations ..........................................
13.7 Anticipating Linux 2.4 ........................................
343
343
348
353
360
361
377
380
14. Disk Caches ..................................................
14.1 The Buffer Cache ............................................
14.2 The Page Cache .............................................
14.3 Anticipating Linux 2.4 ........................................
382
383
396
398
15. Accessing Regular Files .........................................
15.1 Reading and Writing a Regular File ...............................
15.2 Memory Mapping ............................................
15.3 Anticipating Linux 2.4 ........................................
400
400
408
416
16. Swapping: Methods for Freeing Memory ...........................
16.1 What Is Swapping? ...........................................
16.2 Swap Area .................................................
16.3 The Swap Cache .............................................
16.4 Transferring Swap Pages .......................................
16.5 Page Swap-Out ..............................................
16.6 Page Swap-In ...............................................
16.7 Freeing Page Frames ..........................................
16.8 Anticipating Linux 2.4 ........................................
417
417
420
429
433
437
442
444
450
17. The Ext2 Filesystem ...........................................
17.1 General Characteristics ........................................
17.2 Disk Data Structures ..........................................
17.3 Memory Data Structures .......................................
17.4 Creating the Filesystem ........................................
17.5 Ext2 Methods ...............................................
17.6 Managing Disk Space .........................................
17.7 Reading and Writing an Ext2 Regular File ..........................
17.8 Anticipating Linux 2.4 ........................................
451
451
453
459
463
464
466
473
475
18. Process Communication ........................................
18.1 Pipes .....................................................
18.2 FIFOs ....................................................
18.3 System V IPC ...............................................
18.4 Anticipating Linux 2.4 ........................................
476
477
483
486
499
19. Program Execution ............................................
19.1 Executable Files .............................................
19.2 Executable Formats ..........................................
19.3 Execution Domains ...........................................
19.4 The exec-like Functions .......................................
19.5 Anticipating Linux 2.4 ........................................
500
500
512
514
515
519
