Re: [PATCH net-next 0/6] net: sched: sch: introduce extack support

[David Miller <davem@davemloft.net>]

From: Alexander Aring <aring@mojatatu.com>
Date: Wed,  6 Dec 2017 11:08:39 -0500

> this patch series basically add support for extack in common qdisc handling.
> Additional it adds extack pointer to common qdisc callback handling this
> offers per qdisc implementation to setting the extack message for each
> failure over netlink.
> 
> The extack message will be set deeper in qdisc functions but going not
> deeper as net core api. For qdisc module callback handling, the extack
> will not be set. This will be part of per qdisc extack handling.
> 
> I also want to prepare patches to handle extack per qdisc module...
> so there will come a lot of more patches, just cut them down to make
> it reviewable.
> 
> There are some above 80-chars width warnings, which I ignore because
> it looks more ugly otherwise.
> 
> This patch-series based on patches by David Ahren which gave me some
> hints how to deal with extack support.
> 
> Cc: David Ahern <dsahern@gmail.com>

Only add the plumbing when you have actual extack messages you are
adding as an example use case.

Thank you.