linux-kernel - Re: [PATCH] cgroup: support checking of subsystem dependencies

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Date:	Thu, 19 Jun 2008 08:43:18 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"containers@...ts.osdl.org" <containers@...ts.osdl.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Paul Jackson <pj@....com>
Subject: Re: [PATCH] cgroup: support checking of subsystem dependencies

>>  static int cgroup_remount(struct super_block *sb, int *flags, char *data)
>>  {
>>        int ret = 0;
>> @@ -852,6 +871,10 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
>>        if (ret)
>>                goto out_unlock;
>>
>> +       ret = check_subsys_dependency(opts.subsys_bits);
>> +       if (ret)
>> +               goto out_unlock;
>> +
> 
> Can we just call this from one place, in parse_cgroupfs_options() ?
> 

I think yes we can. I'll revise it.

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