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    SubjectRe: [PATCH 2/2] ubifs: Allow O_DIRECT
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    Brian Norris <computersforpeace@gmail.com> writes:

    > On Mon, Aug 24, 2015 at 10:13:25AM +0300, Artem Bityutskiy wrote:
    >> Now, some user-space fails when direct I/O is not supported.
    >
    > I think the whole argument rested on what it means when "some user space
    > fails"; apparently that "user space" is just a test suite (which
    > can/should be fixed).

    Even if it wasn't a test suite it should still fail. Either the fs
    supports O_DIRECT or it doesn't. Right now, the only way an application
    can figure this out is to try an open and see if it fails. Don't break
    that.

    Cheers,
    Jeff


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