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

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Message-ID: <ZR07CYtL8GwMQQPV@lore-desk>
Date: Wed, 4 Oct 2023 12:14:33 +0200
From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Lorenzo Bianconi <lorenzo@...nel.org>, linux-nfs@...r.kernel.org,
	chuck.lever@...cle.com, jlayton@...nel.org, neilb@...e.de,
	netdev@...r.kernel.org
Subject: Re: [PATCH v8 3/3] NFSD: add rpc_status netlink support

> 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?

Regards,
Lorenzo

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