Method and apparatus for managing file system
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United States of America Patent
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Mar 15, 2016
Grant Date -
Mar 20, 2014
app pub date -
Sep 18, 2013
filing date -
Sep 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A file management system for managing a file using a logical erase block (LEB) corresponding to a physical erase block (PEB). The file management system includes a free LEB list storing a free LEB allowing writing on all pages; a dirty LEB list storing a dirty LEB that is not the free LEB; and an obsolete area determining module determining an obsolete area in at least one dirty LEB, by referring to a block table storing information about whether or not at least one block is being used and according to whether or not the at least one dirty LEB is mapped to a PEB.
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