Date: Fri, 4 Dec 2009 20:15:07 -0800
From: Greg KH <gregkh@suse.de>
To: Emese Revfy <re.emese@gmail.com>
Cc: lenb@kernel.org, astarikovskiy@suse.de, mchehab@infradead.org,
       linville@tuxdriver.com, miklos@szeredi.hu, davem@davemloft.net,
       rostedt@goodmis.org, fweisbec@gmail.com, mingo@redhat.com,
       avi@redhat.com, mtosatti@redhat.com, torvalds@linux-foundation.org,
       linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 11/31] Constify struct file_operations for 2.6.32 v1
Message-ID: <20091205041507.GA24885@suse.de>
References: <4B198670.2000406@gmail.com> <4B198C43.50205@gmail.com> <4B19A333.5080103@gmail.com> <20091205000942.GA8224@suse.de> <4B19CA6F.4090700@gmail.com>
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On Sat, Dec 05, 2009 at 03:50:23AM +0100, Emese Revfy wrote:
> Greg KH wrote:
> > On Sat, Dec 05, 2009 at 01:02:59AM +0100, Emese Revfy wrote:
> >> -static struct file_operations ptmx_fops;
> >> +static const struct file_operations ptmx_fops = {
> >> +	.llseek		= no_llseek,
> >> +	.read		= tty_read,
> >> +	.write		= tty_write,
> >> +	.poll		= tty_poll,
> >> +	.unlocked_ioctl	= tty_ioctl,
> >> +	.compat_ioctl	= tty_compat_ioctl,
> >> +	.open		= ptmx_open,
> >> +	.release	= tty_release,
> >> +	.fasync		= tty_fasync,
> >> +};
> > 
> > You just made these functions all global, for no real good reason.  Why
> > did you do this?
> 
> I think this is the only way to make ptmx_fops const, provided we want to. 

Why do we want to?

thanks,

greg k-h
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