linux-kernel - Re: [PATCH v10 0/3] blk-cgroup: Optimize blkcg_rstat

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Date:   Wed, 16 Nov 2022 19:45:54 -0500
From:   Waiman Long <longman@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Hillf Danton <hdanton@...a.com>, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michal Koutný <mkoutny@...e.com>,
        Ming Lei <ming.lei@...hat.com>
Subject: Re: [PATCH v10 0/3] blk-cgroup: Optimize blkcg_rstat_flush()

On 11/16/22 18:58, Jens Axboe wrote:
> On Fri, 4 Nov 2022 20:58:59 -0400, Waiman Long wrote:
>>   v10:
>>    - Update patch 3 to rename the rstat function to
>>      cgroup_rstat_css_cpu_flush().
>>
>>   v9:
>>    - Remove patch "llist: Allow optional sentinel node terminated lockless
>>      list" for now. This will be done as a follow-up patch.
>>    - Add a new lqueued field to blkg_iostat_set to store the status of
>>      whether lnode is in a lockless list.
>>    - Add a new patch 3 to speed up the freeing of blkcg by flushing out
>>      the rstat lockless lists at blkcg offline time.
>>
>> [...]
> Applied, thanks!
>
> [1/3] blk-cgroup: Return -ENOMEM directly in blkcg_css_alloc() error path
>        commit: b5a9adcbd5dc95d34d1f5fc84eff9af6fc60d284
> [2/3] blk-cgroup: Optimize blkcg_rstat_flush()
>        commit: 3b8cc6298724021da845f2f9fd7dd4b6829a6817
> [3/3] blk-cgroup: Flush stats at blkgs destruction path
>        commit: dae590a6c96c799434e0ff8156ef29b88c257e60
>
> Best regards,

Thanks a lot!

Cheers,
Longman