Re: [RFC v2 07/10] vfs: fork one kthread to update data temperature

[Zhi Yong Wu]

On Thu, Sep 27, 2012 at 3:01 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote:
> On Thu, Sep 27, 2012 at 02:54:22PM +0800, Zhi Yong Wu wrote:
>> On Thu, Sep 27, 2012 at 12:03 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote:
>> > On Sun, Sep 23, 2012 at 08:56:32PM +0800, zwu.kernel@xxxxxxxxx wrote:
>> >> From: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
>> >>
>> >>   Fork and run one kernel kthread to calculate
>> >> that temperature based on some metrics kept
>> >> in custom frequency data structs, and store
>> >> the info in the hash table.
>> >
>> > No new kthreads, please. Use a per-superblock workqueue and a struct
>> > delayed_work to run periodic work on each superblock.
>> If no new kthread is created, which kthread will work on these
>> delayed_work tasks?
>
> One of the kworker threads that service the workqueue
> infrastructure.
Got it, thanks
>
> Cheers,
>
> Dave.
> --
> Dave Chinner
> david@xxxxxxxxxxxxx



-- 
Regards,

Zhi Yong Wu
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