On Mon, Nov 28, 2011 at 7:34 AM, Asias He wrote:
> There are at most bdev->reqs[VIRTIO_BLK_QUEUE_SIZE] outstanding requests
> at any time. We can simply use the head of each request to fetch the
> right 'struct blk_dev_req' in bdev->reqs[].
>
> So, we can eliminate the list and lock operations wh
There are at most bdev->reqs[VIRTIO_BLK_QUEUE_SIZE] outstanding requests
at any time. We can simply use the head of each request to fetch the
right 'struct blk_dev_req' in bdev->reqs[].
So, we can eliminate the list and lock operations which introduced by
virtio_blk_req_{pop, push}.
Signed-off-b
