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Message-ID: <7dbd2f49-89b9-16f2-dbd5-e6c8978ebf22@huawei.com>
Date:   Mon, 13 Jun 2022 10:44:29 +0100
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Subject: Re: [PATCH RFC v2 07/18] libata-scsi: Add ata_internal_queuecommand()
To:     Damien Le Moal <damien.lemoal@opensource.wdc.com>,
        <axboe@kernel.dk>, <jejb@linux.ibm.com>,
        <martin.petersen@oracle.com>, <brking@us.ibm.com>, <hare@suse.de>,
        <hch@lst.de>
CC:     <linux-block@vger.kernel.org>, <linux-ide@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-scsi@vger.kernel.org>,
        <chenxiang66@hisilicon.com>
References: <1654770559-101375-1-git-send-email-john.garry@huawei.com>
 <1654770559-101375-8-git-send-email-john.garry@huawei.com>
 <da6a77ff-0dde-b0b4-4d6c-047eab48d595@opensource.wdc.com>
From:   John Garry <john.garry@huawei.com>
In-Reply-To: <da6a77ff-0dde-b0b4-4d6c-047eab48d595@opensource.wdc.com>
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On 13/06/2022 08:16, Damien Le Moal wrote:
>> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
>> index baac35dd17ca..b2702ab0183b 100644
>> --- a/drivers/ata/libata-scsi.c
>> +++ b/drivers/ata/libata-scsi.c
>> @@ -1114,6 +1114,20 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
>>   	return 0;
>>   }
>>   
>> +int ata_internal_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
> ata_scsi_internal_queuecommand()

ok

> 
> But given that this is used for the .reserved_queuecommand() method, I
> would call it ata_scsi_reserved_queuecommand().

I did mention somewhere that I continued to use the term "internal" as 
that is what libata already uses, but I can change it.

> 
>> +{
>> +	struct ata_port *ap;
>> +	int res;
>> +
>> +	ap = ata_shost_to_port(shost);
> You can move this to ap declaration.
> 
> 	struct ata_port *ap = ata_shost_to_port(shost);

ok

> 
>> +	spin_lock_irq(ap->lock);
> spin_lock_irqsave() ?

Right

> 
>> +	res = ata_sas_queuecmd(scmd, ap);
>> +	spin_unlock_irq(ap->lock);
>> +
>> +	return res;

Thanks,
John