Re: [PATCH 11/31] Constify struct file_operations for 2.6.32 v1

[Greg KH]

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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