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Buffering of Data Transfers for Direct Access Block Devices

  • US 20110072197A1
  • Filed: 03/25/2010
  • Published: 03/24/2011
  • Est. Priority Date: 09/23/2009
  • Status: Active Grant
First Claim
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1. A method of transferring, by a media controller, data associated with a host data transfer between a host device and a storage media, the method comprising:

  • by a buffer layer module of the media controller;

    segmenting the host data transfer into one or more data transfer segments, wherein each data transfer segment corresponds to at least a portion of the data;

    allocating a number of physical buffers to a virtual circular buffer for buffering the one or more data transfer segments; and

    transferring, by the virtual circular buffer, each of the data transfer segments between the host device and the storage media through the allocated physical buffers.

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