linux-kernel - Re: [PATCH RFC v3 03/22] scsi: core: Implement reserved command handling

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Message-ID: <bdfe4716-ea8f-b812-8474-577d84da7b24@huawei.com>
Date:   Thu, 27 Oct 2022 10:11:09 +0100
From:   John Garry <john.garry@...wei.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        <axboe@...nel.dk>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <jinpu.wang@...ud.ionos.com>,
        <hare@...e.de>, <bvanassche@....org>, <hch@....de>,
        <ming.lei@...hat.com>, <niklas.cassel@....com>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-ide@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linuxarm@...wei.com>
Subject: Re: [PATCH RFC v3 03/22] scsi: core: Implement reserved command
 handling


> 
>>   	device_initialize(&shost->shost_gendev);
>>   	dev_set_name(&shost->shost_gendev, "host%d", shost->host_no);
>>   	shost->shost_gendev.bus = &scsi_bus_type;
>> diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
>> index 39d4fd124375..a8c4e7c037ae 100644
>> --- a/drivers/scsi/scsi_lib.c
>> +++ b/drivers/scsi/scsi_lib.c
>> @@ -1978,6 +1978,8 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost)
>>   	tag_set->nr_hw_queues = shost->nr_hw_queues ? : 1;
>>   	tag_set->nr_maps = shost->nr_maps ? : 1;
>>   	tag_set->queue_depth = shost->can_queue;
>> +	tag_set->reserved_tags = shost->nr_reserved_cmds;
>> +
> Why the blank line ?
> 

I don't think that it is required, I can remedy.

>>   	tag_set->cmd_size = cmd_size;

Thanks,
John