linux-kernel - Re: get_sb_single() - do not pass options twice

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Message-Id: <E1NKU1C-0005jr-P8@pomaz-ex.szeredi.hu>
Date:	Tue, 15 Dec 2009 10:48:34 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Kay Sievers <kay.sievers@...y.org>
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	greg@...ah.com
Subject: Re: get_sb_single() - do not pass options twice

On Sat, 12 Dec 2009, Kay Sievers wrote:
> Ping! Can someone please have a look and comment on that?
> Something like this will now be needed for 2.6.33 to silent a warning.
> 
> Thanks,
> Kay
> 
> > Cc: Greg KH <greg@...ah.com>
> > Signed-off-by: Kay Sievers <kay.sievers@...y.org>
> > ---
> >  fs/super.c |    2 ++
> >  1 file changed, 2 insertions(+)
> >
> > --- a/fs/super.c
> > +++ b/fs/super.c
> > @@ -900,6 +900,8 @@ int get_sb_single(struct file_system_typ
> >                        deactivate_locked_super(s);
> >                        return error;
> >                }
> > +               /* options usually get mangled and can only be parsed once */
> > +               data = NULL;
> >                s->s_flags |= MS_ACTIVE;
> >        }
> >        do_remount_sb(s, flags, data, 0);

I think the do_remount_sb() is a NOP in that case.  So shouldn't it
rather be

	} else {
		do_remount_sb(s, flags, data, 0);
	}

?

Thanks,
Miklos
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