From: John Garry <john.garry@huawei.com>
To: <dgilbert@interlog.com>, <jejb@linux.vnet.ibm.com>,
<martin.petersen@oracle.com>
Cc: <linux-scsi@vger.kernel.org>, <hare@suse.com>,
<ming.lei@redhat.com>, <kashyap.desai@broadcom.com>
Subject: Re: [PATCH v2 2/2] scsi: scsi_debug: Support hostwide tags
Date: Thu, 9 Jul 2020 16:42:59 +0100 [thread overview]
Message-ID: <b65bb848-4065-6b88-2f5f-7c035be1ec82@huawei.com> (raw)
In-Reply-To: <0eebd28b-ca5e-6ddc-1a16-6097cb1b5a08@interlog.com>
On 09/07/2020 16:25, Douglas Gilbert wrote:
>>
>> hwq = cpu % queue count
>>
>> If the host max queue param is set non-zero, then the max queue depth is
>> fixed at this value also.
>>
>> If and when hostwide shared tags are supported in blk-mq/scsi mid-layer,
>> then the policy to set nr_hw_queues = 0 for hostwide tags can be revised.
>>
>> Signed-off-by: John Garry <john.garry@huawei.com>
>
> Acked-by: Douglas Gilbert <dgilbert@interlog.com>
>
> I have updated this page to reflect this addition:
> http://sg.danny.cz/sg/scsi_debug.html
ok, thanks.
next prev parent reply other threads:[~2020-07-09 15:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 12:23 [PATCH v2 0/2] scsi: scsi_debug: Support hostwide tags and a fix John Garry
2020-07-09 12:23 ` [PATCH v2 1/2] scsi: scsi_debug: Add check for sdebug_max_queue during module init John Garry
2020-07-09 13:18 ` Ming Lei
2020-07-09 12:23 ` [PATCH v2 2/2] scsi: scsi_debug: Support hostwide tags John Garry
2020-07-09 15:25 ` Douglas Gilbert
2020-07-09 15:42 ` John Garry [this message]
2020-07-14 4:58 ` [PATCH v2 0/2] scsi: scsi_debug: Support hostwide tags and a fix Martin K. Petersen
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