On 08/24/2017 03:22 PM, Philipp Reisner wrote:
> +#ifndef blk_queue_plugged
> +struct drbd_plug_cb {
> + struct blk_plug_cb cb;
> + struct drbd_request *most_recent_req;
> + /* do we need more? */
> +};What is this blk_queue_plugged ifdef? -- Jens Axboe
