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INFORMATION PROCESSING APPARATUS, CONTROLLING METHOD THEREOF, AND PROGRAM

  • US 20090327624A1
  • Filed: 06/29/2009
  • Published: 12/31/2009
  • Est. Priority Date: 06/30/2008
  • Status: Abandoned Application
First Claim
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1. An information processing apparatus controlling writing to a disk, comprising:

  • a command reception section to receive from a host apparatus a write command and a control command controlling a cache about the write command;

    a queue storage section to store a queue for the write command and the control command received by the command reception section; and

    a control section to determine which of a first write command for data of a file and a second write command for metadata corresponding to the file the write command stored in the queue is, group, when the control command is received by the command reception section, at least one first write command and at least one second write command that have been received and stored in the queue, assign an execution sequence number to the first write command and the second write command in the group such that data write of the first write command to the disk is executed in priority to data write of the second write command, and control execution of the first write command and the second write command according to the assigned execution sequence number.

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