Re: [PATCH] Add a 'trigger' callback on struct cftype.

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Pavel Emelyanov wrote:
> Paul Menage wrote:
>> On Tue, Mar 11, 2008 at 9:13 AM, Pavel Emelyanov <xemul@xxxxxxxxxx> wrote:
>>> --- a/include/linux/cgroup.h
>>>  +++ b/include/linux/cgroup.h
>>>  @@ -243,7 +243,7 @@ struct cftype {
>>>
>>>          */
>>>         int (*write_s64) (struct cgroup *cgrp, struct cftype *cft, s64 val);
>>>
>>>  -       void (*trigger) (struct cgroup *cgrp, unsigned int event);
>>>  +       int (*trigger) (struct cgroup *cgrp, unsigned int event);
>> To be more name-compatible with the other read_X/write_X functions,
>> how about write_void rather than trigger?
> 
> Because it's not a write actually, this is just some kick-up which came
> from the user space. And the fact, that it is triggered via the sys_write
> is just a VFS-based API constraints. Besides, if we ever have a binary 
> API with cgroups, this trigger can be triggered :) via some other system
> call, rather than write.

So, Paul, do you have any more objections to the patch? If no, I will
prepare the set for Andrew, all the more so, I noticed, that there's
no ability to reset the failcounter, which is required and can be easily
implemented with the triggers.

>> Paul
>>
> 
> 

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