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METHOD, ELECTRONIC DEVICE AND COMPUTER PROGRAM PRODUCT FOR READING DATA

  • US 20200133495A1
  • Filed: 10/18/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/31/2018
  • Status: Active Grant
First Claim
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1. A method of reading data, comprising:

  • in response to receiving a read request from the user for data on a physical data block, determining whether there is data state information corresponding to the physical data block, the data state information comprising a plurality of units for respectively indicating availability of data stored in a plurality of sub-blocks of the physical data block;

    in response to determining that there is the data state information, selecting a target sub-block from the plurality of sub-blocks of the physical storage block based on the data state information; and

    providing the user with data stored in the target sub-block.

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