[PATCH] list: Fix order of arguments for hlist_add_after(_rcu)

Andrew Morton akpm at linux-foundation.org
Sat Jun 7 06:45:01 UTC 2014


On Fri, 6 Jun 2014 10:22:51 -0700 "Paul E. McKenney" <paulmck at linux.vnet.ibm.com> wrote:

> On Fri, Jun 06, 2014 at 03:56:52PM +0000, David Laight wrote:
> > From: Behalf Of Ken Helias
> > > All other add functions for lists have the new item as first argument and the
> > > position where it is added as second argument. This was changed for no good
> > > reason in this function and makes using it unnecessary confusing.
> > > 
> > > Also the naming of the arguments in hlist_add_after was confusing. It was
> > > changed to use the same names as hlist_add_after_rcu.
> > ...
> > > -static inline void hlist_add_after_rcu(struct hlist_node *prev,
> > > -				       struct hlist_node *n)
> > > +static inline void hlist_add_after_rcu(struct hlist_node *n,
> > > +				       struct hlist_node *prev)
> > 
> > It is rather a shame that the change doesn't generate a compilation
> > error for old source files.
> 
> I am also a bit concerned by this.
> 

yup.  hlist_add_behind()?


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