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

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Date:   Sun, 24 Sep 2023 14:29:12 +0800
From:   Wenchao Hao <haowenchao2@...wei.com>
To:     Bart Van Assche <bvanassche@....org>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        <open-iscsi@...glegroups.com>, <linux-scsi@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <louhongxiang@...wei.com>
Subject: Re: [PATCH 2/2] scsi: Add comment of target_destroy in
 scsi_host_template

On 2023/9/22 22:53, Bart Van Assche wrote:
> On 9/22/23 02:38, Wenchao Hao wrote:
>> Add comment to tell callback function target_destroy of
>> scsi_host_template is called in atomic context.
>>
>> 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..a72248fa5adf 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 in called with spin_lock held, so donot
>> +     * call functions might cause schedule
>> +     *
> 
> This comment should mention which spinlock is held.
> 

Would update, thanks for your review suggestion.

> Thanks,
> 
> Bart.
> 
>