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  1. Lustre
  2. LU-15670

Disable parallel dio with O_APPEND

Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • Lustre 2.15.0
    • Lustre 2.15.0
    • None
    • 3
    • 9223372036854775807

    Description

      Lockless O_DIRECT with O_APPEND can allow interleaved / racy
      appends from concurrent I/O.

      Disable lockless I/O when O_APPEND is set

      Attachments

        Activity

          [LU-15670] Disable parallel dio with O_APPEND
          pjones Peter Jones added a comment -

          Landed for 2.15

          pjones Peter Jones added a comment - Landed for 2.15
          gerrit Gerrit Updater added a comment -

          "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/46890/
          Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND
          Project: fs/lustre-release
          Branch: master
          Current Patch Set:
          Commit: 649d638467c0375797cd59ab7c9ac4113e6c682e

          gerrit Gerrit Updater added a comment - "Oleg Drokin <green@whamcloud.com>" merged in patch https://review.whamcloud.com/46890/ Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND Project: fs/lustre-release Branch: master Current Patch Set: Commit: 649d638467c0375797cd59ab7c9ac4113e6c682e
          gerrit Gerrit Updater added a comment -

          "Shaun Tancheff <shaun.tancheff@hpe.com>" uploaded a new patch: https://review.whamcloud.com/46890
          Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND
          Project: fs/lustre-release
          Branch: master
          Current Patch Set: 1
          Commit: 4e39e89564070114b7aeac361aedf31e31039f88

          gerrit Gerrit Updater added a comment - "Shaun Tancheff <shaun.tancheff@hpe.com>" uploaded a new patch: https://review.whamcloud.com/46890 Subject: LU-15670 clio: Disable lockless for DIO with O_APPEND Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 4e39e89564070114b7aeac361aedf31e31039f88

          People

            stancheff Shaun Tancheff
            stancheff Shaun Tancheff
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            Dates

              Created:
              Updated:
              Resolved: