Messages in this thread | | | Date | Thu, 19 Jun 2008 08:40:24 +0800 | From | Li Zefan <> | Subject | Re: [PATCH] cgroup: support checking of subsystem dependencies |
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KAMEZAWA Hiroyuki wrote: > On Wed, 18 Jun 2008 16:01:49 +0800 > Li Zefan <lizf@cn.fujitsu.com> wrote: > >> This allows one subsystem to require that it only be mounted when some >> other subsystems are also present in the proposed hierarchy. >> >> For example if subsystem foo depends on bar, the following will fail: >> # mount -t cgroup -ofoo xxx /dev/cgroup >> >> You should mount with both subsystems: >> # mount -t cgroup -ofoo,bar xxx /dev/cgroup >> > I'm just curious. May I ask "Is there such cgroup subsystem now ?" >
Currently no, but people who are developing or wants to develop new subsystems may find this useful, for example Daisuke Nishimura-san's swap controller.
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