Commit 7d116b62 authored by Fernando Luis Vázquez Cao's avatar Fernando Luis Vázquez Cao Committed by Jens Axboe

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: default avatarFernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 88e740f1
...@@ -237,6 +237,8 @@ static int virtblk_probe(struct virtio_device *vdev) ...@@ -237,6 +237,8 @@ static int virtblk_probe(struct virtio_device *vdev)
goto out_put_disk; goto out_put_disk;
} }
queue_flag_set_unlocked(QUEUE_FLAG_VIRT, vblk->disk->queue);
if (index < 26) { if (index < 26) {
sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26); sprintf(vblk->disk->disk_name, "vd%c", 'a' + index % 26);
} else if (index < (26 + 1) * 26) { } else if (index < (26 + 1) * 26) {
......
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