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STORAGE DEVICE AND USER DEVICE INCLUDING THE SAME

  • US 20100217927A1
  • Filed: 05/07/2010
  • Published: 08/26/2010
  • Est. Priority Date: 12/21/2004
  • Status: Active Grant
First Claim
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1. A storage device, comprising:

  • a host interface configured to receive storage data and an invalidation command, wherein the invalidation command is indicative of invalid data among the storage data received by the host interface;

    a buffer memory configured to temporarily store the storage data received by the host interface;

    a storage medium;

    a controller configured to execute a transcribe operation in which the storage data temporarily stored in the buffer memory is selectively stored in the storage medium;

    wherein the controller is responsive to receipt of the invalidation command to execute a logging process when a memory capacity of the invalid data indicated by the invalidation command is equal to or greater than a reference capacity, and to execute an invalidation process when the memory capacity of the invalid data is less than the reference capacity,wherein the logging process comprises logging a location of the invalid data, and wherein the invalidation process comprises invalidating the invalid data.

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