Re: [PATCH] Introduce down_nowait()

From: Rusty Russell
Date: Thu May 22 2008 - 05:00:46 EST

On Thursday 22 May 2008 03:04:58 Daniel Walker wrote:
> On Wed, 2008-05-21 at 17:56 +1000, Rusty Russell wrote:
> > Subject: [PATCH] Introduce down_try()
> >
> > I planned on removing the much-disliked down_trylock() (with its
> > backwards return codes) in 2.6.27, but it's creating something of a
> > logjam with other patches in -mm and linux-next.
> >
> > Andrew suggested introducing "down_try" as a wrapper now, to make
> > the transition easier.
> I must be missing something critical, but what's the logjam this is
> causing?
> Daniel

The patches to change down_trylock to down_try touch a heap of files, which
are also touched in other people's trees. If this patch goes upstream, those
people rewriting that code can use down_try in their rewrite, and I can throw
mine away.

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