From: Yu Kuai <yukuai3@xxxxxxxxxx>
Instead of open coding it, there are no functional changes.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/bfq-cgroup.c | 7 +------
block/bfq-iosched.c | 4 ++--
block/bfq-iosched.h | 2 ++
3 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
index b758693697c0..9fb9f3533150 100644
--- a/block/bfq-cgroup.c
+++ b/block/bfq-cgroup.c
@@ -679,12 +679,7 @@ void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,
bfq_put_idle_entity(bfq_entity_service_tree(entity), entity);
bfqg_and_blkg_put(old_parent);
- if (entity->parent &&
- entity->parent->last_bfqq_created == bfqq)
- entity->parent->last_bfqq_created = NULL;
- else if (bfqd->last_bfqq_created == bfqq)
- bfqd->last_bfqq_created = NULL;
-
+ bfq_reassign_last_bfqq(bfqq, NULL);
entity->parent = bfqg->my_entity;
entity->sched_data = &bfqg->sched_data;
/* pin down bfqg and its associated blkg */
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index ca766b7d5560..d1bf2b8a3576 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -3097,8 +3097,8 @@ static void bfq_bfqq_save_state(struct bfq_queue *bfqq)
}
-static void
-bfq_reassign_last_bfqq(struct bfq_queue *cur_bfqq, struct bfq_queue *new_bfqq)
+void bfq_reassign_last_bfqq(struct bfq_queue *cur_bfqq,
+ struct bfq_queue *new_bfqq)
{
if (cur_bfqq->entity.parent &&
cur_bfqq->entity.parent->last_bfqq_created == cur_bfqq)
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 08ddf2cfae5b..e16d96e2367b 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -1156,6 +1156,8 @@ void bfq_del_bfqq_busy(struct bfq_queue *bfqq, bool expiration);
void bfq_add_bfqq_busy(struct bfq_queue *bfqq);
void bfq_add_bfqq_in_groups_with_pending_reqs(struct bfq_queue *bfqq);
void bfq_del_bfqq_in_groups_with_pending_reqs(struct bfq_queue *bfqq);
+void bfq_reassign_last_bfqq(struct bfq_queue *cur_bfqq,
+ struct bfq_queue *new_bfqq);
/* --------------- end of interface of B-WF2Q+ ---------------- */
--
2.39.2
