linux-kernel - Re: [PATCH 0/2] scsi:donot skip lun if inquiry returns PQ=1 for all hosts

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Date:   Wed, 14 Dec 2022 23:06:07 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Wenchao Hao <haowenchao@...wei.com>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Mike Christie <michael.christie@...cle.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        Lee Duncan <lduncan@...e.com>, Chris Leech <cleech@...hat.com>,
        open-iscsi@...glegroups.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, liuzhiqiang26@...wei.com,
        linfeilong@...wei.com
Subject: Re: [PATCH 0/2] scsi:donot skip lun if inquiry returns PQ=1 for all
 hosts

On Wed, Dec 14, 2022 at 03:08:44PM +0800, Wenchao Hao wrote:
> When iSCSI initiator logged in target, the target attached none valid
> lun but lun0. lun0 is not an valid disk, while it would response
> inquiry command with PQ=1 and other general scsi commands like probe lun.
> The others luns of target is added/removed dynamicly.

I can't find any special casing of LUN0 in RFC7144, can you clarify
where you think that treats LUN0 any differently than other transports?