linux-kernel - [PATCH 3/6] io-cost: introduce ioc_rqos

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Date:   Thu, 23 Sep 2021 21:46:28 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <axboe@...nel.dk>, <tj@...nel.org>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <cgroups@...r.kernel.org>, <yukuai3@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH 3/6] io-cost: introduce ioc_rqos_free()

Prepare to split 'kfree(ioc)' from ioc_rqos_exit(), no functional changes.

Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 block/blk-iocost.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index b3880e4ba22a..b4a6c1f70eb0 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -2813,6 +2813,13 @@ static void ioc_rqos_exit(struct rq_qos *rqos)
 	kfree(ioc);
 }
 
+static void ioc_rqos_free(struct rq_qos *rqos)
+{
+	struct ioc *ioc = rqos_to_ioc(rqos);
+
+	kfree(ioc);
+}
+
 static struct rq_qos_ops ioc_rqos_ops = {
 	.throttle = ioc_rqos_throttle,
 	.merge = ioc_rqos_merge,
@@ -2820,6 +2827,7 @@ static struct rq_qos_ops ioc_rqos_ops = {
 	.done = ioc_rqos_done,
 	.queue_depth_changed = ioc_rqos_queue_depth_changed,
 	.exit = ioc_rqos_exit,
+	.free = ioc_rqos_free,
 };
 
 static int blk_iocost_init(struct request_queue *q)
-- 
2.31.1