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Message-ID: <281b7645-5ce3-0339-78d9-bbc737e4c50e@kernel.dk>
Date:   Thu, 16 Jun 2022 09:27:43 -0600
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Subject: Re: [RFC PATCHv2] block: set bdi congested when no tag available
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To:     "zhaoyang.huang" <zhaoyang.huang@unisoc.com>,
        Mel Gorman <mgorman@techsingularity.net>,
        Zhaoyang Huang <huangzhaoyang@gmail.com>,
        linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
        ke.wang@unisoc.com
References: <1655382631-3037-1-git-send-email-zhaoyang.huang@unisoc.com>
From:   Jens Axboe <axboe@kernel.dk>
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On 6/16/22 6:30 AM, zhaoyang.huang wrote:
> From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
> 
> In previous version, block layer will set bdi to be congested when
> get_request fail, which may throttle direct_reclaim. Move them back
> under current blk-mq design.

bdi congestion doesn't exist anymore, not sure what this patch is
against?

-- 
Jens Axboe