On Fri, May 12, 2017 at 10:26:08AM -0700, David Ahern wrote: > On 5/12/17 8:24 AM, David Miller wrote: > > From: Jan Moskyto Matejka <m...@ucw.cz> > > Date: Fri, 12 May 2017 13:15:10 +0200 > > > >> -int rt6_dump_route(struct rt6_info *rt, void *p_arg); > >> +int rt6_dump_route(struct rt6_info *rt, void *p_arg, int truncate); > > > > Please use "bool" and "true"/"false" for boolean values. > > > > What does ipv4 do in this situation? > > > > I'm hesitant to be OK with adding a new nlmsg flag just for this case > > if we solve this problem differently and using existing mechanisms > > elsewhere. > > > > I'll take a look at this later today or this weekend; we can't just > truncate the route returned to userspace.
Agreed. My favourite would be skb realloc somewhere inside the dump loop ... but I don't know whether it's feasible. MQ