On Tue, 27 Nov 2007 12:47:46 -0800 (PST)
Davide Libenzi <[email protected]> wrote:
> On Tue, 27 Nov 2007, Andrew Morton wrote:
>
> > On Sun, 25 Nov 2007 14:14:19 -0800 Davide Libenzi <[email protected]> wrote:
> >
> > > +static struct file *timerfd_fget(int fd)
> > > +{
> > > + struct file *file;
> > > +
> > > + file = fget(fd);
> > > + if (!file)
> > > + return ERR_PTR(-EBADF);
> > > + if (file->f_op != &timerfd_fops) {
> > > + fput(file);
> > > + return ERR_PTR(-EINVAL);
> > > + }
> > > +
> > > + return file;
> > > +}
> >
> > I suppose we could use fget_light() in here sometime. It is significantly
> > quicker in microbenchmarks. Or it was - nobody has checked that in a few
> > years afaik.
>
> Should I now?
No great rush. It'd be fun to see if it actually makes any measurable
difference on modern hardware (hint ;)).
> Half of the internet traffic of the last three month was
> generated by me posting those timerfd patches :)
Which means my inbox gets 3000% of the internet. Thought so.
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