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expose RWF_DONTCACHE constant #139090

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expose RWF_DONTCACHE constant#139090
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extension-modulesC modules in the Modules dirtype-featureA feature request or enhancement

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@benjaminp
benjaminp
opened on Sep 18, 2025

Feature or enhancement

Since 6.14, Linux supports a RWF_DONTCACHE flag to pwritev2 and preadv2. See https://lwn.net/Articles/998783/ for why this is useful. This constant should be added to the os module.

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  1. benjaminp
    added
    type-featureA feature request or enhancement
    on Sep 18, 2025
  2. benjaminp
    added a commit that references this issue on Sep 18, 2025

    pythongh-139090: add os.RWF_DONTCACHE

    9212841
  3. StanFromIreland
    added
    extension-modulesC modules in the Modules dir
    on Sep 18, 2025
  4. benjaminp
    closed this as completedin e163fbdon Sep 18, 2025
  5. pull
    added a commit that references this issue on Sep 18, 2025

    fixes pythongh-139090: add os.RWF_DONTCACHE (python#139091)

    e163fbd
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