File system having variable logical storage block size
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United States of America Patent
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Oct 6, 2009
Grant Date -
Feb 28, 2008
app pub date -
Aug 25, 2006
filing date -
Aug 25, 2006
priority date (Note) -
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status (Latency Note)
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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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