On Sun, Jan 22, 2017 at 09:48:39AM +0200, Leon Romanovsky wrote: > On Fri, Jan 20, 2017 at 10:36:57PM +0800, Geliang Tang wrote: > > To make the code clearer, use rb_entry() instead of container_of() to > > deal with rbtree. > > > > Signed-off-by: Geliang Tang <geliangt...@gmail.com> > > --- > > drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 8 ++++---- > > 1 file changed, 4 insertions(+), 4 deletions(-) > > I don't understand completely the rationale behind this conversion. > rb_entry == container_of, why do we need another name for it? >
There are several *_entry macros which are defined in kernel data structures, like list_entry, hlist_entry, rb_entry, etc. Each of them is just another name for container_of. We use different *_entry so that we could identify the specific type of data structure that we are dealing with. -Geliang