Re: O_DIRECT! or O_DIRECT?

[Miquel van Smoorenburg]

In article <[e-mail]>,
Stephen C. Tweedie <[e-mail]> wrote:
>For these reasons, buffered IO is often faster than O_DIRECT for pure
>sequential access.  The downside it its greater CPU cost and the fact
>that it pollutes the cache (which, in turn, causes even _more_ CPU
>overhead when the VM is forced to start reclaiming old cache data to
>make room for new blocks.)

Any chance of something like O_SEQUENTIAL (like madvise(MADV_SEQUENTIAL))

Mike.