Re: [PATCH] Give kjournald a IOPRIO_CLASS_RT io priority

[Arjan van de Ven]

On Thu, 2 Oct 2008 11:45:37 +0200
Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:

> > The RT folk were happy with the idea of journal I/O using the
> > highest non-RT priority for the journal, but I never got around
> > to testing that out as I had a bunnch of other stuff to fix at
> > the time.
> 
> That's a good idea, just bump the priority a little bit. Arjan, did
> you test that out? I'd suggest just trying prio level 0 and still
> using best-effort scheduling. Probably still need the sync marking,
> would be interesting to experiment with though.
> 

ok 0 works ok enough in quick testing as well...... updated patch below