Re: Time sliced CFQ io scheduler

[Andrew Morton]

Andrea Arcangeli <andrea@xxxxxxx> wrote:
>
>  One hidden side effect of "as" is that by writing so slowly (and
>  64KiB/sec really is slow), it increases the time it will take for a
>  dirty page to be flushed to disk

The 64k/sec only happens for direct-io, and those pages aren't dirty.
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