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From: Balbir Singh <balbir@in.ibm.com>
To: Paul Menage <menage@google.com>
Cc: akpm@osdl.org, pj@sgi.com, sekharan@us.ibm.com, dev@sw.ru,
	xemul@sw.ru, serue@us.ibm.com, vatsa@in.ibm.com,
	ckrm-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org,
	rohitseth@google.com, mbligh@google.com, winget@google.com,
	containers@lists.osdl.org, devel@openvz.org
Subject: Re: [ckrm-tech] [PATCH 3/6] containers: Add generic multi-subsystem API	to containers
Date: Wed, 10 Jan 2007 21:26:21 +0530	[thread overview]
Message-ID: <45A50CA5.6070101@in.ibm.com> (raw)
In-Reply-To: <20061222145216.574346828@menage.corp.google.com>

Paul Menage wrote:
> +/* The set of hierarchies in use. Hierarchy 0 is the "dummy
> + * container", reserved for the subsystems that are otherwise
> + * unattached - it never has more than a single container, and all
> + * tasks are part of that container. */
> +
> +static struct containerfs_root rootnode[CONFIG_MAX_CONTAINER_HIERARCHIES];
> +
> +/* dummytop is a shorthand for the dummy hierarchy's top container */
> +#define dummytop (&rootnode[0].top_container)
> +

With these changes, is there a generic way to determine the root container
for the hierarchy the subsystem is in? Calls to ->create() pass the dummytop
container. It would be useful and is often required to walk the hierarchy
and know the root of the container hierarchy.

-- 
	Thanks,
	Balbir Singh,
	Linux Technology Center,
	IBM Software Labs

  reply	other threads:[~2007-01-10 15:56 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-22 14:14 [PATCH 0/6] containers: Generic Process Containers (V6) Paul Menage
2006-12-22 14:14 ` [PATCH 1/6] containers: Generic container system abstracted from cpusets code Paul Menage
2006-12-30 13:10   ` Eric W. Biederman
2006-12-31  5:17     ` Paul Jackson
2007-01-02 22:15     ` Paul Menage
2006-12-22 14:14 ` [PATCH 2/6] containers: Cpusets hooked into containers Paul Menage
2006-12-22 14:14 ` [PATCH 3/6] containers: Add generic multi-subsystem API to containers Paul Menage
2007-01-10 15:56   ` Balbir Singh [this message]
2007-01-11 22:53     ` [ckrm-tech] " Paul Menage
2007-01-12  6:29       ` Balbir Singh
2007-01-12  8:10         ` Paul Menage
2007-01-12  8:22           ` Balbir Singh
2007-01-20 17:27           ` Balbir Singh
2006-12-22 14:14 ` [PATCH 4/6] containers: Simple CPU accounting container subsystem Paul Menage
2007-01-10 14:21   ` [ckrm-tech] " Balbir Singh
2007-01-12  0:33     ` Paul Menage
2007-01-12  6:24       ` Balbir Singh
2007-01-12  8:15         ` Paul Menage
2007-01-12  8:26           ` Balbir Singh
2007-01-12 17:32             ` Paul Menage
2007-01-15  9:01       ` [PATCH 0/1] Add mount/umount callbacks to containers (Re: [ckrm-tech] [PATCH 4/6] containers: Simple CPU accounting container subsystem) Balbir Singh
2007-01-15  9:04         ` [PATCH 1/1] Fix a panic while mouting containers on powerpc and some other small cleanups " Balbir Singh
2007-01-15  9:22           ` Paul Menage
2007-01-15  9:51             ` [ckrm-tech] [PATCH 1/1] Fix a panic while mouting containers on powerpc and some other small cleanups (Re: " Balbir Singh
2007-01-15 10:01               ` Paul Menage
2007-01-15 10:10                 ` Balbir Singh
2006-12-22 14:14 ` [PATCH 5/6] containers: Resource Groups over generic containers Paul Menage
2006-12-22 14:14 ` [PATCH 6/6] containers: BeanCounters over generic process containers Paul Menage
2006-12-23 19:49   ` Herbert Poetzl
2006-12-24 11:32     ` Paul Menage
2006-12-25 10:16     ` Kirill Korotaev
2006-12-26  0:54       ` Paul Menage
2006-12-25 10:35     ` Pavel Emelianov
2007-01-03 14:43 ` [PATCH 0/6] containers: Generic Process Containers (V6) Serge E. Hallyn
2007-01-05  0:25   ` Paul Menage
2007-01-12 18:42     ` Serge E. Hallyn

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