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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
@benjaminp

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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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