linux-kernel - [PATCH] block: put the reference of the io scheduler module after switching back

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Date:   Tue, 11 Oct 2022 21:23:48 +0800
From:   Jinlong Chen <chenjinlong2016@...look.com>
To:     yukuai1@...weicloud.com
Cc:     axboe@...nel.dk, chenjinlong2016@...look.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yukuai3@...wei.com
Subject: [PATCH] block: put the reference of the io scheduler module after switching back

Hi!

Thank you for reviewing!

> 
> I got it now if switch none failed, old queue is not added to the list,
> and later blk_lookup_qe_pair() will fail to lookup the queue.
> 

That's what I'm going to say. :)