Re: [PATCH 1/9 v2] cgroup: add cgroup_subsys->post_create()

2012-11-07 Thread Kamezawa Hiroyuki
(2012/11/08 2:15), Tejun Heo wrote: Currently, there's no way for a controller to find out whether a new cgroup finished all ->create() allocatinos successfully and is considered "live" by cgroup. This becomes a problem later when we add generic descendants walking to cgroup which can be used

Re: [PATCH 1/9 v2] cgroup: add cgroup_subsys->post_create()

2012-11-07 Thread Michal Hocko
On Wed 07-11-12 09:15:08, Tejun Heo wrote: [...] > This patch adds ->post_create(). It's called after all ->create() > succeeded and the cgroup is linked into the generic cgroup hierarchy. > This plays the counterpart of ->pre_destroy(). > > When used in combination with the to-be-added generic

Re: [PATCH 1/9 v2] cgroup: add cgroup_subsys-post_create()

2012-11-07 Thread Michal Hocko
On Wed 07-11-12 09:15:08, Tejun Heo wrote: [...] This patch adds -post_create(). It's called after all -create() succeeded and the cgroup is linked into the generic cgroup hierarchy. This plays the counterpart of -pre_destroy(). When used in combination with the to-be-added generic

Re: [PATCH 1/9 v2] cgroup: add cgroup_subsys-post_create()

2012-11-07 Thread Kamezawa Hiroyuki
(2012/11/08 2:15), Tejun Heo wrote: Currently, there's no way for a controller to find out whether a new cgroup finished all -create() allocatinos successfully and is considered live by cgroup. This becomes a problem later when we add generic descendants walking to cgroup which can be used by