The Linux Programming Interface: a linux and unix system Programming Handbook
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FILE SYSTEMS 251 14.1 Device Special Files (Devices) ..................................................................................... 252 14.2 Disks and Partitions ................................................................................................... 253 14.3 File Systems .............................................................................................................. 254 14.4 I-nodes ..................................................................................................................... 256 14.5 The Virtual File System (VFS) ....................................................................................... 259 14.6 Journaling File Systems............................................................................................... 260 14.7 Single Directory Hierarchy and Mount Points ................................................................ 261 14.8 Mounting and Unmounting File Systems ....................................................................... 262 14.8.1 Mounting a File System: mount() ............................................................ 264 14.8.2 Unmounting a File System: umount() and umount2() ................................ 269 14.9 Advanced Mount Features .......................................................................................... 271 14.9.1 Mounting a File System at Multiple Mount Points....................................... 271 14.9.2 Stacking Multiple Mounts on the Same Mount Point................................... 271 14.9.3 Mount Flags That Are Per-Mount Options ................................................. 272 14.9.4 Bind Mounts......................................................................................... 272 14.9.5 Recursive Bind Mounts........................................................................... 273 14.10 A Virtual Memory File System: tmpfs ............................................................................ 274 14.11 Obtaining Information About a File System: statvfs() ...................................................... 276 14.12 Summary.................................................................................................................. 277 14.13 Exercise ................................................................................................................... 278 |