linux-kernel - Re: [PATCH] nfsd: recover: constify nfsd4_client_tracking

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Date:	Mon, 23 Nov 2015 12:03:11 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Jeff Layton <jlayton@...chiereds.net>
Cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	kernel-janitors@...r.kernel.org, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nfsd: recover: constify nfsd4_client_tracking_ops
 structures

On Sun, Nov 22, 2015 at 07:25:12AM -0500, Jeff Layton wrote:
> On Sun, 22 Nov 2015 08:22:10 +0100
> Julia Lawall <Julia.Lawall@...6.fr> wrote:
> 
> > The nfsd4_client_tracking_ops structures are never modified, so declare
> > them as const.
> > 
> > Done with the help of Coccinelle.
> > 
> > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> > 
> > ---
> >  fs/nfsd/netns.h       |    2 +-
> >  fs/nfsd/nfs4recover.c |    6 +++---
> >  2 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
> > index d8b16c2..5fbf3bb 100644
> > --- a/fs/nfsd/netns.h
> > +++ b/fs/nfsd/netns.h
> > @@ -92,7 +92,7 @@ struct nfsd_net {
> >  
> >  	struct file *rec_file;
> >  	bool in_grace;
> > -	struct nfsd4_client_tracking_ops *client_tracking_ops;
> > +	const struct nfsd4_client_tracking_ops *client_tracking_ops;
> >  
> >  	time_t nfsd4_lease;
> >  	time_t nfsd4_grace;
> > diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
> > index e3d4709..79f0307 100644
> > --- a/fs/nfsd/nfs4recover.c
> > +++ b/fs/nfsd/nfs4recover.c
> > @@ -631,7 +631,7 @@ nfsd4_check_legacy_client(struct nfs4_client *clp)
> >  	return -ENOENT;
> >  }
> >  
> > -static struct nfsd4_client_tracking_ops nfsd4_legacy_tracking_ops = {
> > +static const struct nfsd4_client_tracking_ops nfsd4_legacy_tracking_ops = {
> >  	.init		= nfsd4_legacy_tracking_init,
> >  	.exit		= nfsd4_legacy_tracking_exit,
> >  	.create		= nfsd4_create_clid_dir,
> > @@ -1050,7 +1050,7 @@ out_err:
> >  		printk(KERN_ERR "NFSD: Unable to end grace period: %d\n", ret);
> >  }
> >  
> > -static struct nfsd4_client_tracking_ops nfsd4_cld_tracking_ops = {
> > +static const struct nfsd4_client_tracking_ops nfsd4_cld_tracking_ops = {
> >  	.init		= nfsd4_init_cld_pipe,
> >  	.exit		= nfsd4_remove_cld_pipe,
> >  	.create		= nfsd4_cld_create,
> > @@ -1394,7 +1394,7 @@ nfsd4_umh_cltrack_grace_done(struct nfsd_net *nn)
> >  	kfree(legacy);
> >  }
> >  
> > -static struct nfsd4_client_tracking_ops nfsd4_umh_tracking_ops = {
> > +static const struct nfsd4_client_tracking_ops nfsd4_umh_tracking_ops = {
> >  	.init		= nfsd4_umh_cltrack_init,
> >  	.exit		= NULL,
> >  	.create		= nfsd4_umh_cltrack_create,
> > 
> 
> Looks good to me.
> 
> Reviewed-by: Jeff Layton <jlayton@...chiereds.net>

Thanks, applying for 4.5.

--b.
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