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From: Waiman Long <longman@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>,
	cgroups@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH v5 4/4] blk-cgroup: Document the design of new lockless iostat_cpu list
Date: Thu, 2 Jun 2022 15:12:53 -0400	[thread overview]
Message-ID: <3ba0799f-c008-bbdf-bbc1-626d8bb4b821@redhat.com> (raw)
In-Reply-To: <YpkJ6rDTR24ScuEq@slm.duckdns.org>

On 6/2/22 15:05, Tejun Heo wrote:
> On Thu, Jun 02, 2022 at 02:54:01PM -0400, Waiman Long wrote:
>> A set of percpu lockless lists per block cgroup (blkcg) is added to
>> track the set of recently updated iostat_cpu structures. Add comment
>> in the code to document the design of this new set of lockless lists.
>>
>> Signed-off-by: Waiman Long <longman@redhat.com>
> Acked-by: Tejun Heo <tj@kernel.org>
>
> Thanks.

I have just realized that I forgot to free the percpu blkcg->lhead in 
blkcg_css_free(). I will send out v6 with this change as well as 
integrating this documentation patch back. Sorry for the omission.

Thanks,
Longman


WARNING: multiple messages have this Message-ID (diff)
From: Waiman Long <longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Ming Lei <ming.lei-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v5 4/4] blk-cgroup: Document the design of new lockless iostat_cpu list
Date: Thu, 2 Jun 2022 15:12:53 -0400	[thread overview]
Message-ID: <3ba0799f-c008-bbdf-bbc1-626d8bb4b821@redhat.com> (raw)
In-Reply-To: <YpkJ6rDTR24ScuEq-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>

On 6/2/22 15:05, Tejun Heo wrote:
> On Thu, Jun 02, 2022 at 02:54:01PM -0400, Waiman Long wrote:
>> A set of percpu lockless lists per block cgroup (blkcg) is added to
>> track the set of recently updated iostat_cpu structures. Add comment
>> in the code to document the design of this new set of lockless lists.
>>
>> Signed-off-by: Waiman Long <longman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Acked-by: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
>
> Thanks.

I have just realized that I forgot to free the percpu blkcg->lhead in 
blkcg_css_free(). I will send out v6 with this change as well as 
integrating this documentation patch back. Sorry for the omission.

Thanks,
Longman


  reply	other threads:[~2022-06-02 19:13 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-01 21:18 [PATCH v3 0/2] blk-cgroup: Optimize blkcg_rstat_flush() Waiman Long
2022-06-01 21:18 ` Waiman Long
2022-06-01 21:18 ` [PATCH v3 1/2] blk-cgroup: Correctly free percpu iostat_cpu in blkg on error exit Waiman Long
2022-06-01 21:18 ` [PATCH v3 2/2] blk-cgroup: Optimize blkcg_rstat_flush() Waiman Long
2022-06-01 21:18   ` Waiman Long
2022-06-01 21:26   ` Tejun Heo
2022-06-01 21:30     ` Waiman Long
2022-06-02  6:32   ` kernel test robot
2022-06-02  1:54 ` [PATCH v4 " Waiman Long
2022-06-02  1:54   ` Waiman Long
2022-06-02 13:35 ` [PATCH v5 0/3] " Waiman Long
2022-06-02 13:35 ` [PATCH v5 1/3] blk-cgroup: Correctly free percpu iostat_cpu in blkg on error exit Waiman Long
2022-06-02 18:54   ` [PATCH v5 4/4] blk-cgroup: Document the design of new lockless iostat_cpu list Waiman Long
2022-06-02 18:54     ` Waiman Long
2022-06-02 19:05     ` Tejun Heo
2022-06-02 19:12       ` Waiman Long [this message]
2022-06-02 19:12         ` Waiman Long
2022-06-02 13:35 ` [PATCH v5 2/3] blk-cgroup: Return -ENOMEM directly in blkcg_css_alloc() error path Waiman Long
2022-06-02 13:35   ` Waiman Long
2022-06-02 16:16   ` Tejun Heo
2022-06-02 17:17     ` Waiman Long
2022-06-02 17:17       ` Waiman Long
2022-06-02 13:35 ` [PATCH v5 3/3] blk-cgroup: Optimize blkcg_rstat_flush() Waiman Long
2022-06-02 16:58   ` Tejun Heo
2022-06-02 17:26     ` Waiman Long
2022-06-02 17:26       ` Waiman Long
2022-06-02 17:46       ` Tejun Heo
2022-06-02 17:46         ` Tejun Heo
2022-06-02 18:18         ` Waiman Long
2022-06-02 18:18           ` Waiman Long

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