From: Jinlong Chen <chenjinlong2016@outlook.com>
To: yukuai1@huaweicloud.com
Cc: axboe@kernel.dk, chenjinlong2016@outlook.com,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
yukuai3@huawei.com
Subject: Re: [PATCH] blk-mq: put the reference of the io scheduler module after switching back
Date: Thu, 13 Oct 2022 22:18:12 +0800 [thread overview]
Message-ID: <OSYP286MB0344A71BA994B77B9E2E46EDBE259@OSYP286MB0344.JPNP286.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <f1c07b2a-ffdd-0912-139d-d51b34b77bcd@huaweicloud.com>
>
> But I don't see elevator_switch() release the referenct of the module
> it is switching from. It's still not balance to me.
>
The reference count is released here:
elevator_switch_mq()
--> elevator_exit()
--> __elevator_exit()
--> kobject_put()
--> kobject_release()
--> elevator_release()
--> elevator_put()
What a deep call stack. :)
Sincerely,
Jinlong Chen
next prev parent reply other threads:[~2022-10-13 14:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-12 0:35 [PATCH v2] " Jinlong Chen
2022-10-13 13:03 ` [PATCH] " Jinlong Chen
2022-10-13 13:22 ` Yu Kuai
2022-10-13 13:47 ` Jinlong Chen
2022-10-13 14:05 ` Yu Kuai
2022-10-13 14:18 ` Jinlong Chen [this message]
2022-10-14 7:27 ` Yu Kuai
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