Commit 7d116b62 authored Oct 27, 2008 by Fernando Luis Vázquez Cao Committed by Jens Axboe Dec 29, 2008

virtio_blk: set queue paravirt flag

As a paravirt front-end driver, virtio_blk is not a rotational device so
we want do avoid idling in AS/CFQ. Tell the block layer about this.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent 88e740f1

drivers/block/virtio_blk.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -237,6 +237,8 @@ static int virtblk_probe(struct virtio_device *vdev)
		goto out_put_disk;
		}

		queue_flag_set_unlocked(QUEUE_FLAG_VIRT, vblk->disk->queue);

		if (index < 26) {
		sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26);
		} else if (index < (26 + 1) * 26) {