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  1. Lustre
  2. LU-10938 Metadata writeback cache support
  3. LU-16071

WBC: Handling writeback errors and retry for recoverable errors

Details

    • Technical task
    • Resolution: Unresolved
    • Minor
    • None
    • None
    • None
    • 9223372036854775807

    Description

      Borrow from Kernel writeback errors handling infrastructure, implement it for Lustre WBC:
      https://lwn.net/Articles/718734/

      Moreover, we still need to implement retry mechanism for recoverable errors, return -EAGAIN for applications when they calls async() or close().

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          [LU-16071] WBC: Handling writeback errors and retry for recoverable errors
          gerrit Gerrit Updater added a comment -

          "Yingjin Qian <qian@ddn.com>" uploaded a new patch: https://review.whamcloud.com/48156
          Subject: LU-16071 wbc: retry for recoverable errors under WBC
          Project: fs/lustre-release
          Branch: master
          Current Patch Set: 1
          Commit: 2c6600d7339af293f9f95c0348602afc595b5db4

          gerrit Gerrit Updater added a comment - "Yingjin Qian <qian@ddn.com>" uploaded a new patch: https://review.whamcloud.com/48156 Subject: LU-16071 wbc: retry for recoverable errors under WBC Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 2c6600d7339af293f9f95c0348602afc595b5db4

          People

            wc-triage WC Triage
            qian_wc Qian Yingjin
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            Dates

              Created:
              Updated: