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Method and system for atomically writing scattered information in a solid state storage device

  • US 9,513,831 B2
  • Filed: 10/23/2015
  • Issued: 12/06/2016
  • Est. Priority Date: 05/17/2013
  • Status: Active Grant
First Claim
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1. A method of performing an operation in a data storage device, the method comprising:

  • receiving a plurality of atomic write commands;

    grouping together the plurality of atomic write commands into a single atomic operation;

    obtaining a plurality of ranges of logical addresses affected by the plurality of atomic write commands;

    for each of the plurality of affected ranges, assigning metadata information to track completion of a write operation performed at that range;

    performing the write operations in the ranges of logical addresses;

    updating the metadata information upon completion of the write operations in the ranges; and

    deferring an update to a translation map of the data storage device until the metadata information has been updated.

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