linux-kernel - Re: [PATCH] libata: revert "libata: use blk taging" et al.

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Date:	Thu, 12 Mar 2015 08:11:57 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	Shaohua Li <shli@...com>, Tony Battersby <tonyb@...ernetics.com>,
	Jens Axboe <axboe@...com>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] libata: revert "libata: use blk taging" et al.

On Thu, Mar 12, 2015 at 06:14:24AM -0400, Dan Williams wrote:
> > @@ -572,7 +572,6 @@ int sas_ata_init(struct domain_device *found_dev)
> >
> >         ap->private_data = found_dev;
> >         ap->cbl = ATA_CBL_SATA;
> > -       ap->scsi_host = shost;
> >         rc = ata_sas_port_init(ap);
> >         if (rc) {
> >                 ata_sas_port_destroy(ap);
> 
> We need a scsi_host for error recovery, see:
> 
> ata_std_sched_eh()

IOW, let's just add a flag bit to identify SAS hosts.

Thanks.

-- 
tejun
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