On Wed, 2015-04-15 at 08:37 +0000, David Laight wrote:
> From: David Miller
> > Sent: 14 April 2015 18:56
> > > On Tue, Apr 14, 2015 at 04:25:24PM +0000, David Laight wrote:
> > >> From: Al Viro
> > >> > Sent: 11 April 2015 22:18
> > >> > it's equal to iov_iter_count(&msg->msg_iter) in all cases
> > >>
> > >> I don't know whether this is guaranteed for iov[] that come from
> > >> userspace.
> > >>
> > >> In any case iov_iter_count() is non-trivial and you don't
> > >> really want to call it when unnecessary.
> > >
> > > Really?
> > >
> > > static inline size_t iov_iter_count(struct iov_iter *i)
> > > {
> > > return i->count;
> > > }
> >
> > This just made my day.
>
> I hate accessor functions
It is quite clear you do not really tweak linux code, do you ?
Typical linux developers love them when they want to add in accessor a
debugging facility or logic.
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