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IJ25557: FALLOCATE(2) WILL SET THE WRONG FILE SIZE IF THE FILE HAS THE END POSITION OF THE FALLOCATE RANGE FITS IN THE LAST BLOCK

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APAR status

  • Closed as program error.

Error description

  • fallocate(2) will set the wrong file size if the file
    has fragments and the end position of the fallocate
    range fits in the last block
    

Local fix

Problem summary

  • fallocate(2) will set the wrong file size if the file
    has fragments and the end position of the fallocate
    range fits in the last block
    

Problem conclusion

  • Benefits of the solution:
    Fixed the code to implement correct fallocate(2) semantics
    Work Around:
    None
    Problem trigger:
    fallocate(2) on a file which has fragments and the
    end position of the fallocate range fits in the last block
    Symptom:
    Unexpected Results/Behavior
    Platforms affected:
    ALL Operating System environments
    Functional Area affected:
    All Scale Users
    Customer Impact:
    High Importance
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ25557

  • Reported component name

    SPEC SCALE STD

  • Reported component ID

    5737F33AP

  • Reported release

    505

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-06-16

  • Closed date

    2020-06-16

  • Last modified date

    2020-06-16

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IJ26911

Fix information

  • Fixed component name

    SPEC SCALE STD

  • Fixed component ID

    5737F33AP

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY","label":"IBM Spectrum Scale"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"505","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
12 August 2020