Faster write operations to nonvolatile memory using FSInfo sector manipulation
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United States of America Patent
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May 1, 2012
Grant Date -
Mar 10, 2005
app pub date -
Dec 19, 2003
filing date -
Jul 31, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
An embodiment of the present invention includes a digital equipment system having a host for sending write commands to write files having sector information and having a controller device responsive to the commands for writing and updating FSInfo sector information. The controller controls a nonvolatile memory system organized into blocks, each block including a plurality of sector locations for storing sector information, a particular free block, designated for storing FSInfo sector information. Upon updating of the FSInfo sector, the updated FSInfo sector information is written to a next free sector of the dedicated block thereby avoiding moving the sectors of the particular block to another block, hence, improving system performance.
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