Re: [PATCH 1/3] block: add queue flag for paravirt frontend drivers

Jens Axboe
2008-10-27T12:57:40Z

On Mon, Oct 27 2008, Fernando Luis Vázquez Cao wrote:
> As is the case with SSD devices, we do not want to idle in AS/CFQ when
> the block device is a paravirt front-end driver. This patch adds a flag
> (QUEUE_FLAG_VIRT) which should be used by front-end drivers such as
> virtio_blk and xen-blkfront to indicate a paravirtualized device.

All three patches look fine, although we could just reuse
QUEUE_FLAG_NONROT directly. But I agree it makes sense to make the
distinction, so I've just applied 1-3.

--
Jens Axboe