From: Christoph Hellwig <hch@infradead.org>
To: "Wang Jianchao (Kuaishou)" <jianchao.wan9@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Josef Bacik <jbacik@fb.com>,
Tejun Heo <tj@kernel.org>, Bart Van Assche <bvanassche@acm.org>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC V4 3/6] blk-iolatency: make iolatency pluggable
Date: Thu, 17 Feb 2022 00:51:40 -0800 [thread overview]
Message-ID: <Yg4MnC3JydI4WmLC@infradead.org> (raw)
In-Reply-To: <20220217031349.98561-4-jianchao.wan9@gmail.com>
> +static inline struct rq_qos *blkcg_rq_qos(struct request_queue *q)
> +{
> + return rq_qos_by_id(q, blkcg_iolatency_ops.id);
> +}
This just has a single user, so open code it.
> +static int blk_iolatency_init(struct request_queue *q);
> +
> static struct rq_qos_ops blkcg_iolatency_ops = {
> + .name = "blk-iolat",
> + .flags = RQOS_FLAG_CGRP_POL,
> .throttle = blkcg_iolatency_throttle,
> .done_bio = blkcg_iolatency_done_bio,
> .exit = blkcg_iolatency_exit,
> + .init = blk_iolatency_init,
> };
I'd move this structure below blk_iolatency_init to avoid the forward
declaration of blk_iolatency_init
next prev parent reply other threads:[~2022-02-17 8:51 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-17 3:13 [RFC V4 0/6] blk: make blk-rq-qos policies pluggable and modular Wang Jianchao (Kuaishou)
2022-02-17 3:13 ` [RFC V4 1/6] blk: prepare to make blk-rq-qos " Wang Jianchao (Kuaishou)
2022-02-17 8:48 ` Christoph Hellwig
2022-02-18 3:34 ` Wang Jianchao
2022-02-22 17:19 ` Tejun Heo
2022-02-23 3:08 ` Wang Jianchao
2022-02-23 3:10 ` Wang Jianchao
2022-02-23 21:37 ` Tejun Heo
2022-02-24 1:51 ` Wang Jianchao
2022-02-24 2:07 ` Tejun Heo
2022-02-24 2:50 ` Wang Jianchao
2022-02-24 16:53 ` Tejun Heo
2022-02-25 2:02 ` Wang Jianchao
2022-02-17 3:13 ` [RFC V4 2/6] blk-wbt: make wbt pluggable Wang Jianchao (Kuaishou)
2022-02-17 8:50 ` Christoph Hellwig
2022-02-18 3:41 ` Wang Jianchao
2022-02-22 8:12 ` Christoph Hellwig
2022-02-17 3:13 ` [RFC V4 3/6] blk-iolatency: make iolatency pluggable Wang Jianchao (Kuaishou)
2022-02-17 8:51 ` Christoph Hellwig [this message]
2022-02-18 3:42 ` Wang Jianchao
2022-02-17 3:13 ` [RFC V4 4/6] blk-iocost: make iocost pluggable Wang Jianchao (Kuaishou)
2022-02-17 8:52 ` Christoph Hellwig
2022-02-18 3:43 ` Wang Jianchao
2022-02-17 3:13 ` [RFC V4 5/6] blk-ioprio: make ioprio pluggable and modular Wang Jianchao (Kuaishou)
2022-02-17 8:54 ` Christoph Hellwig
2022-02-17 3:13 ` [RFC V4 6/6] blk: export the sysfs for switching qos Wang Jianchao (Kuaishou)
2022-02-17 8:55 ` Christoph Hellwig
2022-02-18 3:43 ` Wang Jianchao
2022-02-17 3:21 ` [RFC V4 0/6] blk: make blk-rq-qos policies pluggable and modular Jens Axboe
2022-02-17 3:53 ` Wang Jianchao
2022-02-17 8:43 ` Christoph Hellwig
2022-02-18 3:22 ` Wang Jianchao
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