linux-kernel - Re: [PATCH v3 2/2] scsi: Add comment of target_destroy in scsi_host

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Message-ID: <58513668-33ae-4375-92cd-96a4d9a4a67f@acm.org>
Date:   Wed, 18 Oct 2023 11:03:57 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Wenchao Hao <haowenchao2@...wei.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>
Cc:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        louhongxiang@...wei.com
Subject: Re: [PATCH v3 2/2] scsi: Add comment of target_destroy in
 scsi_host_template

On 10/18/23 04:37, Wenchao Hao wrote:
> Add comment to tell callback function target_destroy of
> scsi_host_template must not sleep.
> 
> Signed-off-by: Wenchao Hao <haowenchao2@...wei.com>
> ---
>   include/scsi/scsi_host.h | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
> index 49f768d0ff37..2c61dd30d766 100644
> --- a/include/scsi/scsi_host.h
> +++ b/include/scsi/scsi_host.h
> @@ -245,6 +245,9 @@ struct scsi_host_template {
>   	 * midlayer calls this point so that the driver may deallocate
>   	 * and terminate any references to the target.
>   	 *
> +	 * Note: This callback is called with the host lock held and hence
> +	 * must not sleep.
> +	 *
>   	 * Status: OPTIONAL
>   	 */
>   	void (* target_destroy)(struct scsi_target *);

Reviewed-by: Bart Van Assche <bvanassche@....org>