Messages in this thread | | | Date | Thu, 15 Sep 2016 10:26:15 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v2 2/3] mm, dax: add VM_DAX flag for DAX VMAs |
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On Wed, Sep 14, 2016 at 11:54:38PM -0700, Dan Williams wrote: > The DAX property, page cache bypass, of a VMA is only detectable via the > vma_is_dax() helper to check the S_DAX inode flag. However, this is > only available internal to the kernel and is a property that userspace > applications would like to interrogate.
They have absolutely no business knowing such an implementation detail.
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