Method and system for supporting hierarchical storage management (HSM) file system across multiple platforms

Abstract

Method and system aspects for supporting hierarchical file system management functions across multiple operating system platforms in a data processing system are provided. In these aspects, a code base provides predetermined functionality for each of a plurality of operating system platforms of the data processing system. Further, a common kernel extension is utilized by the code base, with the common kernel extension supporting a hierarchical file system of the data processing system. The common kernel extension supports file system intervention in the hierarchical file system by handling an interface between each operating system platform and a file system. Also, the common kernel extension further handles an interface between each operating system platform and a device driver.

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