[Devel] Re: [RFC] [PATCH 5/5] cgroups: subsystem dependencies

[Li Zefan]

Ben Blum wrote:
> On Tue, Dec 08, 2009 at 02:11:21PM +0800, Li Zefan wrote:
>>> This patch adds a mechanism with which a subsystem can specify dependencies on
>>> other subsystems. Since subsystems can come and go, it would not be useful to
>>> refer to a depended-upon subsystem by subsys_id, so instead a NULL-terminated
>>> array of strings must be specified. Validation is done by scanning for each
>>> potential subsystem its list of subsystem names with strcmp at the end of
>>> parse_cgroupfs_options.
>> I once posted a patch to implement this feature, but it was
>> rejected by Andrew, because there was no user using it.
>>
>> And still there is no user, right?
> 
> Dunno - Paul mentioned it might be useful in the future, so I threw this
> together in an hour or so. Not entirely sure what he had in mind, but
> this series can go with or without this particular patch.
> 

So I think Andrew's suggestion still applies: drop the
patch for now, until it finds its user.

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