Re: [PATCH 01/17] drbd: introduce drbd_recv_header_maybe_unplug

[Philipp Reisner]

Am Freitag, 25. August 2017, 19:26:20 CEST schrieb Jens Axboe:
> 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?

Facepalm. That escaped from out out-of-tree code. It has compat code
so that it can be compiled with older (distro) kernels. I will resend
it without that.