linux-kernel - [PATCH v2 27/31] blk_iocost: Switch to use hrtimer

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Message-Id: <196d487c925411923a2d59d4bf5e366b9dac2747.1738746821.git.namcao@linutronix.de>
Date: Wed,  5 Feb 2025 11:39:11 +0100
From: Nam Cao <namcao@...utronix.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>,
	Jens Axboe <axboe@...nel.dk>
Subject: [PATCH v2 27/31] blk_iocost: Switch to use hrtimer_setup()

hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@...utronix.de>
Cc: Jens Axboe <axboe@...nel.dk>
---
 block/blk-iocost.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 65a1d4427ccf..ed11438eb4be 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3004,8 +3004,7 @@ static void ioc_pd_init(struct blkg_policy_data *pd)
 	iocg->hweight_inuse = WEIGHT_ONE;
 
 	init_waitqueue_head(&iocg->waitq);
-	hrtimer_init(&iocg->waitq_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
-	iocg->waitq_timer.function = iocg_waitq_timer_fn;
+	hrtimer_setup(&iocg->waitq_timer, iocg_waitq_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
 
 	iocg->level = blkg->blkcg->css.cgroup->level;
 
-- 
2.39.5