linux-kernel - Re: [PATCH -next 5/6] blk-wbt: cleanup rwb_enabled() and wbt

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Message-ID: <3108fa29-1b22-a0f1-a7b0-7aa2bd0f1569@huaweicloud.com>
Date:   Fri, 12 May 2023 15:07:56 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Christoph Hellwig <hch@....de>, Yu Kuai <yukuai1@...weicloud.com>
Cc:     tj@...nel.org, josef@...icpanda.com, axboe@...nel.dk,
        cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yi.zhang@...wei.com,
        yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH -next 5/6] blk-wbt: cleanup rwb_enabled() and
 wbt_disabled()

Hi,

在 2023/05/11 23:23, Christoph Hellwig 写道:
> On Thu, May 11, 2023 at 09:45:08AM +0800, Yu Kuai wrote:
>> From: Yu Kuai <yukuai3@...wei.com>
>>
>> The code is redundant, reuse rwb_enabled() for wbt_disabled().
> 
> This also changes how rwb_enabled is implemented.
> 

'rwb->wb_normal == 0' should be the same as 'rwb->enable_state ==
WBT_STATE_OFF_MANUAL', I'll explain in detail in v2.

Thanks,
Kuai