File system having variable logical storage block size

Details File system having variable logical storage block size File system having variable logical storage block size

2006-08-25

2009-10-06

Robinson, Greta L (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C711S114000, C711S162000, C711S170000

Reexamination Certificate

active

07599972

ABSTRACT:
A system is set forth that includes a processor, a data storage device that accessible by the processor, and filesystem software that executable by the processor to organize files on the data storage device. The filesystem software is executable to organize files on the data storage device in storage areas having different logical storage block sizes that are dependent on file type. In one implementation, the filesystem software is executable to generate a hole map associated with the data storage device. The hole map comprises data indicative of a logical storage block size for each of a plurality of storage areas of the data storage device and, optionally, data indicative of a degree of usage for each of the plurality of storage areas. The filesystem may identify the file type using a filename of the file and/or embedded file information.

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