On Fri, Aug 21, 2009 at 09:54:02AM +0800, Gui Jianfeng wrote:
> Vivek Goyal wrote:
> ...
> > +
> > +static void put_prev_io_entity(struct io_entity *entity)
> > +{
> > + struct io_service_tree *st = entity->st;
> > + struct io_sched_data *sd = io_entity_sched_data(entity);
> > +
> > + st->active_entity = NULL;
> > + sd->active_entity = NULL;
> > +
> > + if (unlikely(entity->ioprio_changed)) {
> > + dequeue_io_entity(entity);
> > + io_entity_update_prio(entity);
>
> Hi Vivek,
>
> we don't need to update prio here for the following enqueue_io_entity()
> is already taking care of it.
>
Thanks Gui. Jerome already raised this point in one of the replies. Will
take care of it in next posting.
Vivek
> Signed-off-by: Gui Jianfeng <guijianfeng@xxxxxxxxxxxxxx>
> ---
> block/elevator-fq.c | 1 -
> 1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/block/elevator-fq.c b/block/elevator-fq.c
> index 201543e..b720139 100644
> --- a/block/elevator-fq.c
> +++ b/block/elevator-fq.c
> @@ -607,7 +607,6 @@ static void put_prev_io_entity(struct io_entity *entity)
>
> if (unlikely(entity->ioprio_changed)) {
> dequeue_io_entity(entity);
> - io_entity_update_prio(entity);
> enqueue_io_entity(entity);
> } else
> __enqueue_io_entity(st, entity);
> --
> 1.5.4.rc3
>
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