USENIX 2005 Annual Technical Conference, General Track Abstract
Pp. 359362 of the Proceedings
A Parts-of-File File System
Yoann Padioleau and Olivier Ridoux, Campus Universitaire de Beaulieu
The Parts-of-file File System (PofFS) allows
read-write accesses to different views of a given file or set of
files in order to help the user separate and manipulate different concerns.
The set of files is considered as a mount point
from which views can be selected as read-write files via directories.
Paths are formulas mentioning properties of a desired view.
Each directory contain a file (the view) which
contains the parts of the mounted files that satisfy the properties.
This service is offered generically at the file system level,
and a plug-in interface permits that file formats, or application-specific details are handled by
Special plug-ins called transducers can be defined for automatically
attaching properties to parts of files.
Performances are encouraging;
files of 100 000 lines are handled efficiently.
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