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by the8472
1979 days ago
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There was a patch set (introducing the RWF_UNCACHED flag) to get buffered IO with most of the benefits of O_DIRECT and without its drawbacks, but it looks like it hasn't landed. There also are new options to give the kernel better page cache hints via the new MADV_COLD or MADV_PAGEOUT flags. These ones did land. |
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