netdev - Re: [PATCH v8 2/3] NFSD: introduce netlink rpc

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Date: Thu, 14 Sep 2023 13:25:05 +0200
From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To: Simon Horman <horms@...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 2/3] NFSD: introduce netlink rpc_status stubs

> On Mon, Sep 11, 2023 at 02:49:45PM +0200, Lorenzo Bianconi wrote:
> > Generate empty netlink stubs and uAPI through nfsd_server.yaml specs:
> > 
> > $./tools/net/ynl/ynl-gen-c.py --mode uapi \
> >  --spec Documentation/netlink/specs/nfsd_server.yaml \
> >  --header -o include/uapi/linux/nfsd_server.h
> > $./tools/net/ynl/ynl-gen-c.py --mode kernel \
> >  --spec Documentation/netlink/specs/nfsd_server.yaml \
> >  --header -o fs/nfsd/nfs_netlink_gen.h
> > $./tools/net/ynl/ynl-gen-c.py --mode kernel \
> >  --spec Documentation/netlink/specs/nfsd_server.yaml \
> >  --source -o fs/nfsd/nfs_netlink_gen.c
> > 
> > Tested-by: Jeff Layton <jlayton@...nel.org>
> > Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> 
> ...
> 
> > diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> > index 33f80d289d63..1be66088849c 100644
> > --- a/fs/nfsd/nfsctl.c
> > +++ b/fs/nfsd/nfsctl.c
> > @@ -1495,6 +1495,22 @@ static int create_proc_exports_entry(void)
> >  
> >  unsigned int nfsd_net_id;
> >  
> > +int nfsd_server_nl_rpc_status_get_start(struct netlink_callback *cb)
> > +{
> > +	return 0;
> > +}
> > +
> > +int nfsd_server_nl_rpc_status_get_done(struct netlink_callback *cb)
> > +{
> > +	return 0;
> > +}
> > +
> > +int nfsd_server_nl_rpc_status_get_dumpit(struct sk_buff *skb,
> > +					 struct netlink_callback *cb)
> > +{
> > +	return 0;
> > +}
> > +
> 
> Hi Lorenzo,

Hi Simon,

> 
> W=1 build for gcc-13 and clang-16, and Smatch, complain that
> there is no prototype for the above functions.
> 
> Perhaps nfs_netlink_gen.h should be included in this file?

actually I added it in patch 3/3. I will move it here. Thx.

Regards,
Lorenzo

> 
> >  /**
> >   * nfsd_net_init - Prepare the nfsd_net portion of a new net namespace
> >   * @net: a freshly-created network namespace
> 
> ...
> 

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