linux-kernel - Re: [PATCH 3/3] blk-mq: fix wait condition for tagset wait completed check

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Message-ID: <20250131085401.GA17935@lst.de>
Date: Fri, 31 Jan 2025 09:54:01 +0100
From: Christoph Hellwig <hch@....de>
To: Daniel Wagner <dwagner@...e.de>
Cc: Sagi Grimberg <sagi@...mberg.me>, Daniel Wagner <wagi@...nel.org>,
	Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
	Christoph Hellwig <hch@....de>, Ming Lei <ming.lei@...hat.com>,
	James Smart <james.smart@...adcom.com>,
	Hannes Reinecke <hare@...e.de>, linux-nvme@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH 3/3] blk-mq: fix wait condition for tagset wait
 completed check

On Fri, Jan 31, 2025 at 09:46:46AM +0100, Daniel Wagner wrote:
> The problem I am running into with my wip tp4129 patchset is that
> requests are pending an newly introduce requeue_list queue and never get
> canceled because these requests stay in the COMPLETE state at the
> moment. This blocked the shutdown path.

I'd recomend to not bother impemebting 4129 as it's a fucked up mess.