Re: [2.6 patch] unexport complete_all

From: Bartlomiej Zolnierkiewicz
Date: Fri Mar 04 2005 - 08:35:12 EST


On Fri, 4 Mar 2005 03:15:04 -0800, Andrew Morton <akpm@xxxxxxxx> wrote:
> Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote:
> >
> > Andrew, what is the policy for adding exports for out of tree GPL code?
> >
>
> There isn't one. Such things cause way too much email.

Lack of policy causes the same thing (ie. this thread).

> What complete_all() does is to permit more than one task to wait on a
> completion and for all those tasks to be woken by a single complete().
> Without it you'd need to record how many tasks are sleeping there and do
> complete() that many times.
>
> So it's a sensible part of the completion API from a regularity-of-the-API

This function was already part of in-kernel API, just wasn't exported
for modules because there were no in-kernel users.

> POV. We use it in the coredump code and I don't think we'd be likely to want
> to rip it out.

OK, I understand that the unwritten policy is the following:
symbols for out-of-tree code used by OSDL are fine. 8)

> In fact, I'd say that complete() should have always done it this way...
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