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I/O cache with user configurable preload

  • US 6,370,614 B1
  • Filed: 01/26/1999
  • Issued: 04/09/2002
  • Est. Priority Date: 01/26/1999
  • Status: Expired due to Term
First Claim
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1. In a computer system executing a computer operating system having a device driver stack, a method of responding to a request to access a storage location in a mass storage device, the method comprising:

  • determining whether data from the storage location is stored in a primary cache maintained in a system memory of the computer system;

    determining whether the data from the storage location is stored in a secondary cache of the computer system in response to determining that the data is not stored in the primary cache; and

    executing a first device driver to access the data in the secondary cache in response to determining that the data from the storage location is stored in the secondary cache, the first device driver being logically located in the device driver stack above a second device driver that controls access to the mass storage device.

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