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Message-ID: <20181015055201.GA21295@infradead.org>
Date:   Sun, 14 Oct 2018 22:52:01 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     Christoph Hellwig <hch@...radead.org>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Michael Schmitz <schmitzmic@...il.com>,
        Hannes Reinecke <hare@...e.de>, linux-scsi@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/6] esp_scsi: Grant disconnect privilege for untagged
 commands

On Mon, Oct 15, 2018 at 10:13:37AM +1100, Finn Thain wrote:
> On Sun, 14 Oct 2018, Christoph Hellwig wrote:
> 
> > > +	*p++ = IDENTIFY(lp && (tp->flags & ESP_TGT_DISCONNECT), lun);
> > 
> > I think lp should always be non-NULL here.
> > 
> 
> It's not clear from Documentation/scsi/scsi_mid_low_api.txt, but I guess 
> that's true for scanning of targets.
> 
> Is it true in general that queuecommand for a device will not occur before 
> its slave_alloc and not after its slave_destroy invocation?

Yes.

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