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由 Dave Chinner 提交于
DAX does not do buffered IO (can't buffer direct access!) and hence all read/write IO is vectored through the direct IO path. Hence we need to add the DAX IO path callouts to the direct IO infrastructure. Signed-off-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NBrian Foster <bfoster@redhat.com> Signed-off-by: NDave Chinner <david@fromorbit.com>
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