* Jens Axboe <[EMAIL PROTECTED]> wrote:
> Hi,
>
> Currently you must be root to set idle io prio class on a process.
> This is due to the fact that the idle class is implemented as a true
> idle class, meaning that it will not make progress if someone else is
> requesting disk access. Unfortunately this means that it opens DOS
> opportunities by locking down file system resources, hence it is root
> only at the moment.
>
> This patch relaxes the idle class a little, by removing the truly idle
> part (which entals a grace period with associated timer). The
> modifications make the idle class as close to zero impact as can be
> done while still guarenteeing progress. This means we can relax the
> root only criteria as well.
nice stuff!
Ingo
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