netdev - Re: [PATCH v8 3/3] NFSD: add rpc

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Date: Wed, 4 Oct 2023 16:04:00 +0200
From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To: Chuck Lever III <chuck.lever@...cle.com>
Cc: Jakub Kicinski <kuba@...nel.org>, Lorenzo Bianconi <lorenzo@...nel.org>,
	Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
	Jeff Layton <jlayton@...nel.org>, Neil Brown <neilb@...e.de>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v8 3/3] NFSD: add rpc_status netlink support

> 
> 
> > On Oct 4, 2023, at 6:14 AM, Lorenzo Bianconi <lorenzo.bianconi@...hat.com> wrote:
> > 
> >> On Mon, 11 Sep 2023 14:49:46 +0200 Lorenzo Bianconi wrote:
> >>> + hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
> >>> +  &nfsd_server_nl_family, NLM_F_MULTI,
> >>> +  NFSD_CMD_RPC_STATUS_GET);
> >>> + if (!hdr)
> >>> + return -ENOBUFS;
> >> 
> >> Why NLM_F_MULTI? AFAIU that means "I'm splitting one object over
> >> multiple messages". 99% of the time the right thing to do is change 
> >> what we consider to be "an object" rather than do F_MULTI. In theory
> >> user space should re-constitute all the NLM_F_MULTI messages into as
> >> single object, which none of YNL does today :(
> >> 
> > ack, fine. I think we can get rid of it.
> > @chuck: do you want me to send a patch or are you taking care of it?
> 
> Send a (tested) patch and I can squash it into this one.

ack, I will do.

Regards,
Lorenzo

> 
> 
> --
> Chuck Lever
> 
> 

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