linux-kernel - Re: [PATCH v2] blk-mq: release scheduler resource when request complete

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Message-Id: <169204936048.419413.8584205428292895580.b4-ty@kernel.dk>
Date:   Mon, 14 Aug 2023 15:42:40 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     hch@....de, chuck.lever@...cle.com, chengming.zhou@...ux.dev
Cc:     bvanassche@....org, cel@...nel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, zhouchengming@...edance.com
Subject: Re: [PATCH v2] blk-mq: release scheduler resource when request
 complete


On Sun, 13 Aug 2023 23:23:25 +0800, chengming.zhou@...ux.dev wrote:
> Chuck reported [1] a IO hang problem on NFS exports that reside on SATA
> devices and bisected to commit 615939a2ae73 ("blk-mq: defer to the normal
> submission path for post-flush requests").
> 
> We analysed the IO hang problem, found there are two postflush requests
> are waiting for each other.
> 
> [...]

Applied, thanks!

[1/1] blk-mq: release scheduler resource when request complete
      (no commit info)

Best regards,
-- 
Jens Axboe