Re: [patch] cfq-iosched: fix incorrect filing of rt async cfqq

From: Jens Axboe
Date: Wed Jan 21 2015 - 12:37:47 EST


On 01/12/2015 01:21 PM, Jeff Moyer wrote:
> Hi,
>
> If you can manage to submit an async write as the first async I/O from
> the context of a process with realtime scheduling priority, then a
> cfq_queue is allocated, but filed into the wrong async_cfqq bucket. It
> ends up in the best effort array, but actually has realtime I/O
> scheduling priority set in cfqq->ioprio.

Applied, thanks Jeff. I've added a stable tag to it as well.

--
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/