Re: [PATCH 2 of 5] xn/blkfront: Add the CDROM_GET_CAPABILITY ioctlto blkfront

[Jeff Garzik]

Jeremy Fitzhardinge wrote:
> +	case CDROM_GET_CAPABILITY: {
> +		struct gendisk *gd = info->gd;
> +		if (gd->flags & GENHD_FL_CD)
> +			return 0;
> +		return -EINVAL;
> +	}


Surely you can come up with a better implementation than this?  It's 
just a bitmask returned to userspace...

	Jeff


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