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

From: Greg KH
Date: Fri Dec 04 2009 - 23:19:41 EST


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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