From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: Re: [PATCHSET] cgroup: implement task_cgroup_path_from_hierarchy() Date: Mon, 15 Apr 2013 11:43:55 +0800 Message-ID: <516B777B.9050704@huawei.com> References: <1365964619-14762-1-git-send-email-tj@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1365964619-14762-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Tejun Heo Cc: greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, kay-tD+1rO4QERM@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lennart-mdGvqq1h2p+GdvJs77BJ7Q@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, daniel-cYrQPVfZoowdnm+yROfE0A@public.gmane.org List-Id: containers.vger.kernel.org On 2013/4/15 2:36, Tejun Heo wrote: > kdbus folks want a sane way to determine the cgroup path that a given > task belongs to on a given hierarchy, which is a reasonble thing to > expect from cgroup core. > > This patchset make hierarchy_id allocation use idr instead of ida and > implement task_cgroup_path_from_hierarchy(). In the process, the > yucky ida cyclic allocation is replaced with idr_alloc_cyclic(). > > 0001-cgroup-refactor-hierarchy_id-handling.patch > 0002-cgroup-drop-hierarchy_id_lock.patch > 0003-cgroup-make-hierarchy_id-use-cyclic-idr.patch > 0004-cgroup-implement-task_cgroup_path_from_hierarchy.patch > > 0001-0002 prepare for conversion to idr, which 0003 does. > > 0004 implements the new function. > Acked-by: Li Zefan