From: Tejun Heo <tj@kernel.org>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: axboe@kernel.dk, baolin.wang7@gmail.com,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/7] blk-iocost: Factor out the active iocgs' state check into a separate function
Date: Wed, 25 Nov 2020 07:25:29 -0500 [thread overview]
Message-ID: <X75NOaW6AYyGZSF7@mtj.duckdns.org> (raw)
In-Reply-To: <aa1f4c6e637974d7195bf4e019880e50acdd5ca5.1606186717.git.baolin.wang@linux.alibaba.com>
Hello,
On Tue, Nov 24, 2020 at 11:33:35AM +0800, Baolin Wang wrote:
> -static void ioc_timer_fn(struct timer_list *timer)
> +/*
> + * Waiters determine the sleep durations based on the vrate they
> + * saw at the time of sleep. If vrate has increased, some waiters
> + * could be sleeping for too long. Wake up tardy waiters which
> + * should have woken up in the last period and expire idle iocgs.
> + */
Please reflow the comment.
...
> + nr_debtors = ioc_check_iocg_state(ioc, &now);
How about ioc_check_iocgs()?
> +
> commit_weights(ioc);
I think it'd make more sense to move commit_weights() inside the new
function.
Thanks.
--
tejun
next prev parent reply other threads:[~2020-11-25 12:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 3:33 [PATCH 0/7] Some cleanups and improvements for blk-iocost Baolin Wang
2020-11-24 3:33 ` [PATCH 1/7] blk-iocost: Fix some typos in comments Baolin Wang
2020-11-25 11:30 ` Tejun Heo
2020-11-24 3:33 ` [PATCH 2/7] blk-iocost: Remove unnecessary advance declaration Baolin Wang
2020-11-25 11:31 ` Tejun Heo
2020-11-24 3:33 ` [PATCH 3/7] blk-iocost: Just open code the q_name() Baolin Wang
2020-11-25 11:33 ` Tejun Heo
2020-11-25 13:35 ` Baolin Wang
2020-11-24 3:33 ` [PATCH 4/7] blk-iocost: Add a flag to indicate if need update hwi Baolin Wang
2020-11-25 12:14 ` Tejun Heo
2020-11-25 14:15 ` Baolin Wang
2020-11-25 14:35 ` Tejun Heo
2020-11-24 3:33 ` [PATCH 5/7] blk-iocost: Move the usage ratio calculation to the correct place Baolin Wang
2020-11-25 12:19 ` Tejun Heo
2020-11-25 13:36 ` Baolin Wang
2020-11-24 3:33 ` [PATCH 6/7] blk-iocost: Factor out the active iocgs' state check into a separate function Baolin Wang
2020-11-25 12:25 ` Tejun Heo [this message]
2020-11-25 13:37 ` Baolin Wang
2020-11-24 3:33 ` [PATCH 7/7] blk-iocost: Factor out the base vrate change " Baolin Wang
2020-11-25 12:30 ` Tejun Heo
2020-11-25 13:43 ` Baolin Wang
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