On Fri, Dec 08, 2023 at 10:33:09AM +0100, Max Kellermann wrote: > By passing the fsugid to kernfs_create_dir_ns(), we don't need > cgroup_kn_set_ugid() any longer. That function was added for exactly > this purpose by commit 49957f8e2a43 ("cgroup: newly created dirs and > files should be owned by the creator"). > > Eliminating this piece of duplicate code means we benefit from future > improvements to kernfs_create_dir_ns(); for example, both are lacking > S_ISGID support currently, which my next patch will add to > kernfs_create_dir_ns(). It cannot (easily) be added to > cgroup_kn_set_ugid() because we can't dereference struct kernfs_iattrs > from there. > > Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx> > Acked-by: Tejun Heo <tj@xxxxxxxxxx> Applied to cgroup/for-6.8. Greg, can you please take the second patch? Thanks. -- tejun