linux-kernel - Re: [PATCH] scsi/sg: don't grab scsi host module reference

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Message-ID: <02a90139-a94a-ea1d-cc36-8b4b66a96bba@acm.org>
Date:   Wed, 21 Jun 2023 09:06:24 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Yu Kuai <yukuai1@...weicloud.com>, hch@....de,
        chaitanyak@...dia.com, shinichiro.kawasaki@....com,
        dgilbert@...erlog.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, yukuai3@...wei.com, axboe@...nel.dk
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com, yangerkun@...wei.com
Subject: Re: [PATCH] scsi/sg: don't grab scsi host module reference

On 6/21/23 09:01, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@...wei.com>
> 
> In order to prevent request_queue to be freed before cleaning up
> blktrace debugfs entries, commit db59133e9279 ("scsi: sg: fix blktrace
> debugfs entries leakage") use scsi_device_get(), however,
> scsi_device_get() will also grab scsi module reference and scsi module
> can't be removed.

I just noticed that this patch has been posted on the linux-scsi mailing 
list. If you plan to resend this patch, please send it to Jens and Cc 
both linux-block and linux-scsi because this patch fixes a bug in a 
patch that only exists in Jens' tree.

Thanks,

Bart.