linux-kernel - [PATCH -next 2/8] block, bfq: cleanup __bfq_weights_tree

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Message-ID: <20220514090522.1669270-3-yukuai3@huawei.com>
Date:   Sat, 14 May 2022 17:05:16 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <jack@...e.cz>, <paolo.valente@...aro.org>, <axboe@...nel.dk>,
        <tj@...nel.org>
CC:     <linux-block@...r.kernel.org>, <cgroups@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <yukuai3@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH -next 2/8] block, bfq: cleanup __bfq_weights_tree_remove()

It's the same with bfq_weights_tree_remove() now.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 block/bfq-iosched.c | 13 +------------
 block/bfq-iosched.h |  1 -
 block/bfq-wf2q.c    |  2 +-
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index bcbe78d71143..1d0141c450c0 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -944,8 +944,7 @@ void bfq_weights_tree_add(struct bfq_data *bfqd, struct bfq_queue *bfqq)
  * See the comments to the function bfq_weights_tree_add() for considerations
  * about overhead.
  */
-void __bfq_weights_tree_remove(struct bfq_data *bfqd,
-			       struct bfq_queue *bfqq)
+void bfq_weights_tree_remove(struct bfq_data *bfqd, struct bfq_queue *bfqq)
 {
 	struct rb_root_cached *root;
 	if (!bfqq->weight_counter)
@@ -964,16 +963,6 @@ void __bfq_weights_tree_remove(struct bfq_data *bfqd,
 	bfq_put_queue(bfqq);
 }
 
-/*
- * Invoke __bfq_weights_tree_remove on bfqq and decrement the number
- * of active groups for each queue's inactive parent entity.
- */
-void bfq_weights_tree_remove(struct bfq_data *bfqd,
-			     struct bfq_queue *bfqq)
-{
-	__bfq_weights_tree_remove(bfqd, bfqq);
-}
-
 /*
  * Return expired entry, or NULL to just start from scratch in rbtree.
  */
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 0a3415abb994..bc54b9824b1e 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -933,7 +933,6 @@ void bic_set_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq, bool is_sync);
 struct bfq_data *bic_to_bfqd(struct bfq_io_cq *bic);
 void bfq_pos_tree_add_move(struct bfq_data *bfqd, struct bfq_queue *bfqq);
 void bfq_weights_tree_add(struct bfq_data *bfqd, struct bfq_queue *bfqq);
-void __bfq_weights_tree_remove(struct bfq_data *bfqd, struct bfq_queue *bfqq);
 void bfq_weights_tree_remove(struct bfq_data *bfqd, struct bfq_queue *bfqq);
 void bfq_bfqq_expire(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 		     bool compensate, enum bfqq_expiration reason);
diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
index ccd227fed1c3..2f3fb45a32c3 100644
--- a/block/bfq-wf2q.c
+++ b/block/bfq-wf2q.c
@@ -790,7 +790,7 @@ __bfq_entity_update_weight_prio(struct bfq_service_tree *old_st,
 		 * there is a counter associated with the entity).
 		 */
 		if (prev_weight != new_weight && bfqq)
-			__bfq_weights_tree_remove(bfqd, bfqq);
+			bfq_weights_tree_remove(bfqd, bfqq);
 		entity->weight = new_weight;
 		/*
 		 * Add the entity, if it is not a weight-raised queue,
-- 
2.31.1