Hello, Linus.
On Thu, Jan 17, 2013 at 06:47:48PM -0800, Linus Torvalds wrote:
> On Thu, Jan 17, 2013 at 5:25 PM, Tejun Heo <t...@kernel.org> wrote:
> > Implement work/async_current_func() which query whether the current
> > task is a workqueue or async worker respectively and, if so, return
> > the current function being executed along with work / async item
> > related information.
>
> So why the odd interface? The only user of it calls it with a
Yeah, I was doing something else in async and arguing between that and
current_is_async() and ended up keeping it as it was consistent with
the workqueue counterpart.
> NULL/NULL pair of arguments, and in general it's just way too complex
> to be an exported function at all. I *suspect* you chose that complex
> interface because you feel you may have some use for it inside of the
> async code itself, but why isn't that then not totally private to
> there?
>
> IOW, why isn't the interface just
>
> static struct worker *current_worker(void)
> {
> if (current->flags & PF_WQ_WORKER)
> return kthread_data(current);
> return NULL;
> }
I'd prefer to keep struct worker inside workqueue.c, so how about
keeping the workqueue part and make async part current_is_async()?
Thanks.
--
tejun
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