Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1447975

Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for direct descendants

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for direct descendants
Date 2016-07-21 18:00 +0200
Message-ID <rXoyd-107-1@gated-at.bofh.it> (permalink)
References (5 earlier) <rXnLP-DS-9@gated-at.bofh.it> <rXnLP-DS-15@gated-at.bofh.it> <rXnVw-Jo-9@gated-at.bofh.it> <rXo5c-Qr-23@gated-at.bofh.it> <rXoeS-TM-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

Hello, James.

On Thu, Jul 21, 2016 at 08:34:36AM -0700, James Bottomley wrote:
> So if I as the cgroup ns owner am moving a task from A to A_subdir, the
> admin scanning tasks in all of A may miss this task in motion because
> all the tasks files can't be scanned atomically?

So, the admin just wants to move processes from A and only A to B.  It
doesn't wanna interfere with processes in the subdirs or on-going ns
operations, but if the race occurs, both A -> B migration and ns
subdir operation would succeed and the end result would be something
neither expects.

Thanks.

-- 
tejun

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v1 0/3] cgroup: allow for unprivileged management Aleksa Sarai <asarai@suse.de> - 2016-07-18 18:20 +0200
  [PATCH v1 3/3] cgroup: relax common ancestor restriction for direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-18 18:20 +0200
    Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-20 18:00 +0200
      Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-21 01:00 +0200
        Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 01:10 +0200
          Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-21 01:20 +0200
            Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 01:20 +0200
              Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-21 09:50 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-21 16:40 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants "Serge E. Hallyn" <serge@hallyn.com> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants "Serge E. Hallyn" <serge@hallyn.com> - 2016-07-21 16:40 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-07-21 17:00 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:00 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:00 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-07-21 17:20 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 17:30 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-07-21 17:40 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 18:00 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants James Bottomley <James.Bottomley@HansenPartnership.com> - 2016-07-21 20:20 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-21 23:10 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-22 10:30 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-25 20:40 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Aleksa Sarai <asarai@suse.de> - 2016-07-22 10:20 +0200
                Re: [PATCH v1 3/3] cgroup: relax common ancestor restriction for  direct descendants Tejun Heo <tj@kernel.org> - 2016-07-25 20:50 +0200

csiph-web