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Date:   Tue, 9 Aug 2022 10:51:40 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Martin Wilck <mwilck@suse.com>
Cc:     Christoph Hellwig <hch@lst.de>,
        Mike Christie <michael.christie@oracle.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.de>,
        Ming Lei <ming.lei@redhat.com>,
        Bart Van Assche <Bart.VanAssche@sandisk.com>,
        Dave Prizer <dave.prizer@hpe.com>
Subject: Re: [PATCH RESEND] scsi: scan: retry INQUIRY after timeout
Message-ID: <20220809085140.GA17793@lst.de>
References: <20220808202018.22224-1-mwilck@suse.com> <251c6042-5778-5d82-64e3-a2de5e1e2d36@oracle.com> <20220809065247.GA9663@lst.de> <3fa3ad7169546b1c7e9196474a29e96b719ebe67.camel@suse.com>
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On Tue, Aug 09, 2022 at 10:50:50AM +0200, Martin Wilck wrote:
> Are you suggesting to re-invent REQ_OP_SCSI_{IN,OUT} to distinguish
> SG_IO from kernel-internal passthrough?

No.  We just need a flag in struct scsi_cmnd that controls the retry
behavior for passthrugh commands.