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.
Signed-off-by: Gui Jianfeng <[email protected]>
---
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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