Re: [PATCH v3] Add support for SCT Write Same

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On Mon, Jun 20, 2016 at 10:03:48AM -0500, Shaun Tancheff wrote:
> index bfec66f..3dcc29e 100644
> --- a/drivers/ata/libata-scsi.c
> +++ b/drivers/ata/libata-scsi.c
> @@ -1204,6 +1204,9 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
>  	if (!ata_id_has_unload(dev->id))
>  		dev->flags |= ATA_DFLAG_NO_UNLOAD;
>  
> +	if (ata_id_sct_write_same(dev->id))
> +		sdev->sct_write_same = 1;
> +

No need scsi_device flags for libata internal data.  You need to expose
your capabilities through the SCSI protocol to the SCSI midlayer.
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