From: Tejun Heo <tj@kernel.org>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: axboe@kernel.dk, cgroups@vger.kernel.org,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
yukuai3@huawei.com, yi.zhang@huawei.com
Subject: Re: [PATCH 2/2] blk-throttle: improve bypassing bios checkings
Date: Fri, 23 Sep 2022 17:32:11 -1000 [thread overview]
Message-ID: <Yy56O9NbiyBogSLD@slm.duckdns.org> (raw)
In-Reply-To: <20220921095309.1481289-3-yukuai1@huaweicloud.com>
On Wed, Sep 21, 2022 at 05:53:09PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
>
> "tg->has_rules" is extended to "tg->has_rules_iops/bps", thus bios that
> don't need to be throttled can be checked accurately.
>
> With this patch, bio will be throttled if:
>
> 1) Bio is read/write, and corresponding read/write iops limit exist.
> 2) If corresponding doesn't exist, corresponding bps limit exist and
> bio is not throttled before.
>
> Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
next prev parent reply other threads:[~2022-09-24 3:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-21 9:53 [PATCH 0/2] " Yu Kuai
2022-09-21 9:53 ` [PATCH 1/2] blk-throttle: remove THROTL_TG_HAS_IOPS_LIMIT Yu Kuai
2022-09-24 3:31 ` Tejun Heo
2022-09-21 9:53 ` [PATCH 2/2] blk-throttle: improve bypassing bios checkings Yu Kuai
2022-09-24 3:32 ` Tejun Heo [this message]
2022-09-24 15:00 ` [PATCH 0/2] " Jens Axboe
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