linux-kernel - [PATCH -next v4 3/5] block, bfq: cleanup bfq_activate_requeue

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Message-Id: <20221102022542.3621219-4-yukuai1@huaweicloud.com>
Date:   Wed,  2 Nov 2022 10:25:40 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     jack@...e.cz, axboe@...nel.dk, paolo.valente@...aro.org
Cc:     cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yukuai3@...wei.com,
        yukuai1@...weicloud.com, yi.zhang@...wei.com
Subject: [PATCH -next v4 3/5] block, bfq: cleanup bfq_activate_requeue_entity()

From: Yu Kuai <yukuai3@...wei.com>

Just make the code a litter cleaner by removing the unnecessary
variable 'sd'.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
Reviewed-by: Jan Kara <jack@...e.cz>
Acked-by: Paolo Valente <paolo.valente@...more.it>
---
 block/bfq-wf2q.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
index a908aa3eb0ab..4d4b84e7bf3e 100644
--- a/block/bfq-wf2q.c
+++ b/block/bfq-wf2q.c
@@ -1052,12 +1052,12 @@ static void __bfq_requeue_entity(struct bfq_entity *entity)
 }
 
 static void __bfq_activate_requeue_entity(struct bfq_entity *entity,
-					  struct bfq_sched_data *sd,
 					  bool non_blocking_wait_rq)
 {
 	struct bfq_service_tree *st = bfq_entity_service_tree(entity);
 
-	if (sd->in_service_entity == entity || entity->tree == &st->active)
+	if (entity->sched_data->in_service_entity == entity ||
+	    entity->tree == &st->active)
 		 /*
 		  * in service or already queued on the active tree,
 		  * requeue or reposition
@@ -1089,14 +1089,10 @@ static void bfq_activate_requeue_entity(struct bfq_entity *entity,
 					bool non_blocking_wait_rq,
 					bool requeue, bool expiration)
 {
-	struct bfq_sched_data *sd;
-
 	for_each_entity(entity) {
-		sd = entity->sched_data;
-		__bfq_activate_requeue_entity(entity, sd, non_blocking_wait_rq);
-
-		if (!bfq_update_next_in_service(sd, entity, expiration) &&
-		    !requeue)
+		__bfq_activate_requeue_entity(entity, non_blocking_wait_rq);
+		if (!bfq_update_next_in_service(entity->sched_data, entity,
+						expiration) && !requeue)
 			break;
 	}
 }
-- 
2.31.1