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Self-extending administrative memory file

  • US 4,849,878 A
  • Filed: 06/18/1987
  • Issued: 07/18/1989
  • Est. Priority Date: 06/28/1984
  • Status: Expired due to Term
First Claim
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1. A method by which an administrative disk file which contains a first set of disk blocks containing data is extended comprising the steps of:

  • (1) using a second set locator contained in the administrative disk file to locate a disk block in a second set of unused disk blocks contained in the administrative disk file;

    (2) removing the located disk block from the second set and adding the located disk block to the first set; and

    (3) updating the second set locator as required to locate the second set after removal of the located disk block.

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