A Study of Linux File System Evolution

  • Authors:
  • Lanyue Lu;Andrea C. Arpaci-Dusseau;Remzi H. Arpaci-Dusseau;Shan Lu

  • Affiliations:
  • University of Wisconsin, Madison;University of Wisconsin, Madison;University of Wisconsin, Madison;University of Wisconsin, Madison

  • Venue:
  • ACM Transactions on Storage (TOS)
  • Year:
  • 2014

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Abstract

We conduct a comprehensive study of file-system code evolution. By analyzing eight years of Linux file-system changes across 5079 patches, we derive numerous new (and sometimes surprising) insights into the file-system development process; our results should be useful for both the development of file systems themselves as well as the improvement of bug-finding tools.